Contact Us
(303) 833-4715
Contact Us
(303) 833-4715

Northern Denver & Front Range's Premier Design-Build Firm

Additions and ADUs in Broomfield, CO

Making Space for the People Who Matter Most to You

Start Planning Your Project

Why Broomfield Homeowners Choose Christie's

Because the Home Your Family Needs
Shouldn't Wait on a Process You Shouldn't Have to Manage

For more than 25 years, Christie’s has helped Broomfield homeowners create the space their families have genuinely needed. A private in-law suite where a parent can move in with dignity and a door of their own. A second-story addition that finally gives everyone room to breathe. A garage conversion that becomes a real living space, not just a finished room.

At Christie’s Design/Build Remodeling, we start long before design begins, checking HOA architectural requirements and city permit timelines so your family’s deadline doesn’t get swallowed by a process you never saw coming. Broomfield’s planned communities come with real approval layers, and we sequence that work upfront so nothing stalls you later. From ranch-style homes in Broadlands to established neighborhoods in Anthem and Aspen Creek, we build additions and ADUs that look and feel like they were always part of your home, because in this market, integration isn’t optional, it’s everything.

In Business

25+ Years

Helping Broomfield homeowners create dignified, fully finished space for aging parents, growing families, and the life stage that's already arriving.

Our Model

One Team

Your Broomfield addition or ADU moves through one coordinated team, from HOA verification and permits through construction and the final walkthrough.

Where We Work

Broomfield, CO

Serving homeowners throughout Broadlands, Anthem, Aspen Creek, Baseline, and established neighborhoods across Broomfield.

Peace Of Mind

5-Year Warranty

Your new addition or ADU in Broomfield stays protected after construction, so you can settle your family in with real peace of mind.

What Makes Additions & ADUs Different In Broomfield

New Space That Feels
Like It Was Always Part of Home

Adding onto a Broomfield home means working with what’s already there, the structure, the lot, the HOA covenants, and the house that your family chose for a reason. Ranch-style homes and planned communities in neighborhoods like Broadlands or Anthem each bring their own set of conditions, from framing that wasn’t built for a second story to HOA architectural review boards that operate entirely apart from the city’s permit office. At Christie’s Design/Build, we sort through both approval tracks before a single design decision is made, so you’re not waiting on a board meeting after months of planning. The goal is an addition or ADU in Broomfield, CO that fits your home, clears every hurdle, and feels like it was always part of the plan.

.01

Broomfield Homes Come in Many Forms

Ranch homes, two-story colonials, and newer HOA-governed builds each create different conditions for added space. We study your home’s existing structure and lot first so the addition starts from the right foundation.

.02

The Existing Structure Sets the Rules

Ranch-style homes and pre-2000 builds in Broomfield often carry structural surprises beneath the surface. We assess what’s there first so the addition connects like it was always meant to be.

.03

Older Systems Often Need Updating

Opening walls in older Broomfield homes can surface electrical panels at capacity or HVAC systems undersized for added square footage. Finding those early keeps the budget honest and the timeline intact.

.04

Colorado Weather Shapes Every Detail

Broomfield’s hail seasons, freeze-thaw cycles, and intense UV exposure put real demands on exterior materials, roofing, and insulation. We spec those details up front so the new space holds up through every Colorado season.
See Our Work

Broomfield, CO Neighborhoods

More Space, Same Home,
the Broomfield You Chose

Broomfield is full of homes where families have already put down real roots, which is exactly why adding space here carries so much weight. Some households are counting down to a parent’s move-in date and need a private, dignified suite ready before that window closes. Others have simply outgrown a floor plan that made perfect sense five years ago. Whether it’s a detached ADU in the backyard, a second-story addition over a ranch, or a garage conversion that finally becomes livable, what matters most is that the result feels like it was always part of the home. In Broomfield’s planned communities, Broadlands, Anthem, Aspen Creek, city permits and HOA architectural review run on completely separate tracks, and a project that’s permit-ready can still stall for weeks if the HOA piece isn’t handled first. We sequence that work intentionally, so your family’s timeline doesn’t get lost between two approval processes. Every project starts with the right questions, about your home, your lot, and what staying here needs to look like for the years ahead.

Aspen Creek

Give Your Aspen Creek Home the Space Your Family Has Outgrown

Aspen Creek draws people in with McKay Lake out the back and trails at the end of the street, and once you’re here, you don’t leave. But these large two-story homes can still run short on the right kind of space, whether that’s a private suite for a parent moving in, a second primary bedroom, or a fully finished ADU that stands on its own. Because the subdivision carries consistent contemporary architecture, a well-designed addition integrates naturally, matching brick, stucco, or wood-panel exteriors without the visual mismatch that haunts less cohesive neighborhoods. We check HOA architectural review requirements before a single drawing is made, so your timeline stays yours.

Anthem Highlands

Grow the Space Without Changing What Drew You Here

Homes in Anthem Highlands already come with a lot going for them, thoughtful architecture, contemporary finishes, and that lodge-meets-modern aesthetic that made you fall for the neighborhood in the first place. What’s often missing isn’t square footage for its own sake, but a specific space that fits how your family actually lives now: a private suite for a parent who needs to be close, a dedicated office that doesn’t double as a guest room, or a full ADU that’s genuinely finished to match the quality of the main home. We work within Anthem’s architectural vocabulary and HOA framework from day one, so whatever we add feels like it was always part of the plan.

Willow Run

Make More Room for the People Who Matter Most

Homes in Willow Run have real character, those Craftsman details, the rolling lots, the mature trees that took decades to grow, and the families living here have simply outgrown the original footprint. Whether you’re building an in-law suite with a private entrance so a parent can move in with dignity, adding a second story for a primary suite without giving up the backyard, or converting a garage into a fully finished living space, we work with the home you already have. The 1980s and 1990s framing and mechanical systems here need an honest eye before design begins, so we assess what’s actually there first. Every roofline, exterior material, and trim detail gets matched to the Craftsman character your neighbors already know.

Broadlands

Make Room for the People Who Matter Most

Broadlands homes were built for families, and the families living in them now are running into the same quiet reality, the floor plan that worked five years ago doesn’t quite fit anymore. A parent who needs to move in, kids who’ve claimed every spare corner, or a home office that’s technically the dining room can shift a house from comfortable to cramped faster than you’d expect. An addition or ADU lets you stay in the neighborhood you chose, the parks, the schools, the pace, while giving everyone genuinely livable space. We coordinate HOA architectural review alongside the city permit process from the very start, so nothing stalls when your timeline is tied to someone you love.

Anthem Ranch

Build the Space That Brings Everyone Closer

Most people who chose Anthem Ranch did so intentionally, to be near grandchildren, near family, near the people who matter most at this stage of life. When that family grows or circumstances shift, the home needs to shift with it. A private guest suite with a zero-threshold entry, a fully accessible bathroom, or a reconfigured living area can make a real difference in how long this home works for you. Because Anthem Ranch is gated and HOA-governed, we verify architectural review requirements and contractor access protocols before any design work begins, so nothing stalls on a detail we could have caught early.

Our Broomfield Additions & ADU Process

From First Conversation to a Space That Feels Like Home

Adding an addition or ADU in Broomfield comes with a layer of complexity that catches a lot of families off guard, your project can be fully permit-ready and still sit waiting on HOA architectural review in Broadlands, Anthem, or Aspen Creek. A ranch-style home built before 2000 brings its own set of structural questions that a newer home in Baseline simply doesn’t. Our process guides each project through HOA verification, site assessment, design, permitting, construction, and final walkthrough, so you’re focused on your family’s move-in date, not managing the approvals yourself.

Start Planning Your Project
(303) 833-4715

.01

Site & Structure Review

Every Broomfield addition or ADU starts with understanding what’s already there. We evaluate your lot, existing structure, setbacks, and HOA covenants, because in Broomfield’s planned communities, HOA architectural review runs completely separately from city permits, and catching that early changes everything. We also assess foundations, rooflines, and load-bearing conditions before design begins. That groundwork protects your timeline and your budget.

.02

Goals & Design Direction

Before plans take shape, we talk through what’s actually driving the project, a parent who needs to move in, a floor plan your family has outgrown, or a garage that’s been storing boxes instead of adding value. That conversation shapes everything: the entrance, the kitchen, the accessible bathroom, how the new space connects to yours. We design around the people who’ll live there, not just the square footage.

.03

Detailed Project Planning

Once the direction is clear, we develop the details that turn your idea into a buildable plan. Structural requirements, utility connections, insulation, interior layouts, and finish selections are all coordinated around your existing Broomfield home. This stage is where a detached ADU stops being a concept and becomes something your parent can actually picture walking into.

.04

Permits & Trade Coordination

Before construction begins, we coordinate the city-county permit, HOA architectural approval, inspections, and trade scheduling specific to your Broomfield project. We manage filing timelines, material lead times, and the sequence each specialty trade needs to follow. That organization keeps things moving and gives you one clear point of contact instead of chasing down answers yourself.

.05

Construction & Communication

With both city and HOA approvals in hand, your new space starts taking shape. Framing, insulation, mechanical work, drywall, flooring, cabinetry, and finishes move forward under one coordinated team. Whether it’s a detached in-law suite, a second-story addition, or a fully finished garage conversion, we keep you informed throughout and protect the quality and connection between the new space and your existing home.

.06

Final Review & Completion

As construction wraps up, we walk the completed addition or ADU with you and go through the details together, finishes, functionality, the way the new space flows into the rest of the home. We address anything outstanding and make sure the private entrance, the accessible bathroom, the kitchen, every part your family planned around, lands exactly the way you pictured it when this whole conversation started.

Our Broomfield Additions & ADU Process

From First Conversation to a Space That Feels Like Home

Adding an addition or ADU in Broomfield comes with a layer of complexity that catches a lot of families off guard, your project can be fully permit-ready and still sit waiting on HOA architectural review in Broadlands, Anthem, or Aspen Creek. A ranch-style home built before 2000 brings its own set of structural questions that a newer home in Baseline simply doesn’t. Our process guides each project through HOA verification, site assessment, design, permitting, construction, and final walkthrough, so you’re focused on your family’s move-in date, not managing the approvals yourself.

.01

Site & Structure Review

Every Broomfield addition or ADU starts with understanding what’s already there. We evaluate your lot, existing structure, setbacks, and HOA covenants, because in Broomfield’s planned communities, HOA architectural review runs completely separately from city permits, and catching that early changes everything. We also assess foundations, rooflines, and load-bearing conditions before design begins. That groundwork protects your timeline and your budget.

.02

Goals & Design Direction

Before plans take shape, we talk through what’s actually driving the project, a parent who needs to move in, a floor plan your family has outgrown, or a garage that’s been storing boxes instead of adding value. That conversation shapes everything: the entrance, the kitchen, the accessible bathroom, how the new space connects to yours. We design around the people who’ll live there, not just the square footage.

.03

Detailed Project Planning

Once the direction is clear, we develop the details that turn your idea into a buildable plan. Structural requirements, utility connections, insulation, interior layouts, and finish selections are all coordinated around your existing Broomfield home. This stage is where a detached ADU stops being a concept and becomes something your parent can actually picture walking into.

.04

Permits & Trade Coordination

Before construction begins, we coordinate the city-county permit, HOA architectural approval, inspections, and trade scheduling specific to your Broomfield project. We manage filing timelines, material lead times, and the sequence each specialty trade needs to follow. That organization keeps things moving and gives you one clear point of contact instead of chasing down answers yourself.

.05

Construction & Communication

With both city and HOA approvals in hand, your new space starts taking shape. Framing, insulation, mechanical work, drywall, flooring, cabinetry, and finishes move forward under one coordinated team. Whether it’s a detached in-law suite, a second-story addition, or a fully finished garage conversion, we keep you informed throughout and protect the quality and connection between the new space and your existing home.

.06

Final Review & Completion

As construction wraps up, we walk the completed addition or ADU with you and go through the details together, finishes, functionality, the way the new space flows into the rest of the home. We address anything outstanding and make sure the private entrance, the accessible bathroom, the kitchen, every part your family planned around, lands exactly the way you pictured it when this whole conversation started.
Start Planning Your Project
(303) 833-4715

What Broomfield Homeowners Want From Their Addition or ADU

More Room for the
Family You're Caring For

Addition and ADU projects in Broomfield are rarely about square footage in the abstract, they’re about a parent whose care situation has changed, a family that’s outgrown a floor plan that made sense five years ago, or a garage that’s been on the verge of becoming something useful for longer than anyone wants to admit. Homeowners in Broadlands, Anthem, and Aspen Creek are navigating both city permits and HOA architectural review, and most don’t realize those two tracks run completely independently until a project stalls mid-process. What Broomfield homeowners want most is a space that feels fully finished and genuinely private, a real kitchen, in-unit laundry, an accessible bath, not a converted spare room with a mini-fridge. And they want a team that already knows the process, so they can stay focused on their family instead of chasing approvals.

Space for Mom or Dad

A Home That Fits Now

In established Broomfield communities like Aspen Creek and the older First and Second Addition neighborhoods, many homes were built for smaller households than the ones living in them now. A well-planned addition can expand the primary suite, open the main living area, or create a fully private space for family without leaving the home you already love.

Layouts That Adapt Over Time

Room for What's Coming

A lot of Broomfield ranch homes were designed for a different season of life. When your family's needs have grown past the original floor plan, a thoughtful addition can rework the flow and give everyone room to breathe again.

Built-In Storage, Finally

Everyone Gets Their Space

Larger Broomfield lots often have real room for a detached ADU, but setbacks, lot coverage, and HOA covenants shape what's actually buildable. Getting those answers early means your design work goes in the right direction from the start.

Independent Living, Still Close

Together, But Not Crowded

For homeowners in Anthem and Broadlands, an ADU or attached in-law suite can make multigenerational living feel dignified rather than squeezed. A private entrance, full kitchen, and accessible bath give your family member independence while keeping everyone genuinely close.

Finishes That Last Here

Built for Colorado Families

Broomfield additions face real Colorado conditions, hail, freeze-thaw cycles, high UV, and muddy family life year-round. Exterior materials, roofing, and finishes that are spec'd for the Front Range hold up beautifully and still look like they belong on a premium home.

What To Consider When Building An Addition or ADU In Broomfield

Build the Space Your Family
Has Been Waiting For

Your family’s situation has probably been building for a while, a parent who needs to be closer, a floor plan that stopped fitting years ago, a garage that’s been holding boxes instead of possibility. In Broomfield, what’s practical on your specific lot depends on more than square footage: your HOA’s approval process, your home’s existing structure, utility placement, and how the new space connects to what’s already there all factor in before design begins. Understanding what the space needs to solve, and who it’s really for, is where the right project starts.

Who is this space really for, and what does their daily life look like inside it?

It sounds simple, but sitting with this question changes everything about the design. A parent who uses a walker needs different door widths and bathroom configurations than an adult child working from home. Think through a full Tuesday in their life, how they move through the morning, where they’d eat, how they’d get in and out, before you land on a floor plan. The space that actually works is the one built around a real person’s real rhythm, not a general idea of ‘a guest suite.’
In Broomfield’s planned communities, Broadlands, Anthem, Aspen Creek, your HOA’s architectural review board operates completely independently of the city’s permit office. A design can be fully code-compliant and still sit in HOA review for weeks. That gap is real, and it stings most when you have a family deadline driving the timeline. Ask yourself honestly: have you verified HOA approval is even possible before you start designing? That answer shapes everything that comes after it.
Most families come into this process with a date in mind: a parent’s care transition, a lease ending, a school year starting. Those dates are real and they matter. What’s worth sitting with is whether the timeline you’re imagining matches what the project actually requires, a full detached ADU can run six to eighteen months from permit submittal to move-in, and a room bump-out is a very different thing. Getting honest about the gap between your deadline and the real build clock is how you make a plan that actually holds.
There’s a moment, usually a few weeks after the final walkthrough, when the family stops noticing the addition and just uses it. Someone has their first dinner in there. A grandparent does their morning routine without asking for help. That moment is the whole point. It’s worth asking yourself what ‘right’ looks and feels like: does the exterior need to match so completely that a neighbor couldn’t tell it was added? Does the bathroom need to be genuinely beautiful, not just accessible? Naming those things early is what keeps the project honest all the way through.

Our Reviews

Trusted by Broomfield Homeowners
With the Spaces Their Families Depend On

Choosing a team for an addition or ADU in Broomfield means trusting someone with far more than permits and framing. You’re trusting them with your parent’s move-in date, your family’s daily rhythm, and a space that has to feel right from day one. Our reviews reflect the honesty, communication, and care Christie’s brings to every Broomfield project, from that first conversation all the way through the final walkthrough.
Start Planning Your Project

Areas We Service Across Broomfield

Room to Breathe,
Right Here in Broomfield

Across Broomfield, homeowners are carving out the space their families actually need, whether that’s a fully finished suite with a private entrance for a parent who needs to be close but not underfoot, a second story that adds bedrooms without giving up the backyard the kids live in all summer, or a room bump-out that finally makes Saturday mornings feel relaxed instead of cramped. From older ranches in the First and Second Addition neighborhoods to HOA-governed communities like Broadlands and Anthem, every home here tells a different story and calls for a different approach. Christie’s works around your property, your family’s timeline, and the life you’re building here in Broomfield, navigating permits, HOA approvals, and every detail in between so you don’t have to.
  • Ralston Valley
  • Oberon
  • Pomona Lakes
  • Whisper Creek
  • Spring Mesa
  • Olde Town Arvada
  • Allendale
  • Lake Arbor
  • Scenic Heights
  • Alta Vista
  • Club Crest
  • Hackberry Hill
Start Planning Your Project
(303) 833-4715

Other Areas We Service

Weld County

Greeley, CO
Erie, CO
Fort Lupton, CO
Firestone, CO
Frederick, CO

Boulder County

Boulder, CO
Lafayette, CO
Longmont, CO
Louisville, CO

Adams County

Brighton, CO
Commerce City, CO
Northglenn, CO
Thornton, CO

Jefferson County

Arvada, CO
Westminster, CO

Broomfield County

Larimer County

Loveland, CO
Windsor, CO

Broomfield Addition & ADU Frequently Asked Questions

The Questions Behind
Adding Space That Feels Like Home

Adding onto a home you already love raises a completely different set of questions than starting somewhere new. In Broomfield, the answers depend on everything from your lot size and zoning district to your HOA’s architectural review process, utility capacity, and whether the new space will be attached or stand on its own. The City-County Building Division has specific permitting requirements for additions and ADUs, and your HOA may have an entirely separate approval track running alongside that. These are the questions we hear most from Broomfield homeowners who want more room without leaving the place that already feels like theirs.

Still Have Questions?
We're Here To Help.

Contact Us
(303) 833-4715

Does my HOA have to approve an addition or ADU before I can get a city permit in Broomfield?

They’re two completely separate tracks, and that’s the part that catches most people off guard. Broomfield’s Building Division handles city permits, and your HOA’s architectural review board runs its own process entirely independent of city code. A project can be fully permit-ready and still stall for weeks, sometimes longer, waiting on an HOA board meeting or a documentation request. The sequence that actually protects your timeline is HOA verification first, before any design work begins. That way you know exactly what you’re working with before we invest time in drawings that might need to change.
It depends a lot on what you’re building, and we’ll give you a project-specific timeline early, not a range delivered after you’ve signed a contract. A room bump-out can wrap in around eight weeks. A substantial multi-room addition or garage conversion typically runs four to eight months once permits are in hand. A full detached ADU, the kind with a private entrance, full kitchen, and in-unit laundry, runs six to eighteen months from permit submittal to final walkthrough. If you have a parent whose move-in date is six months out, that conversation needs to happen on day one, not after design is complete.
Broomfield has no owner-occupancy requirement for ADU properties, so rental is permitted. Long-term rental is the most straightforward path, and many homeowners in Broomfield’s planned communities build their ADU with a family member in mind first, and rental income as the long-term plan once that season passes. What we’d encourage you to think through early is what a permitted ADU does for your resale picture. A fully finished, permitted ADU reads very differently to a future buyer than an informal converted space, and that difference shows up in how the home is valued.
Older ranch-style homes and pre-2000 construction are actually where we do a lot of our work in Broomfield, so we know what tends to hide behind the walls. The most common discoveries during a pre-construction assessment are electrical panels that are at or near capacity, HVAC systems that weren’t sized with more square footage in mind, and framing that may need reinforcement before it can carry a second story. Garage slabs are another one, they’re often not poured thick enough for habitable use without significant work. None of these are deal-breakers, but catching them before design is final is the difference between a plan that holds and a change order conversation you weren’t expecting.
That’s one of the questions we hear early and often from homeowners in Broomfield’s planned communities, and it’s exactly the right thing to be asking. At the tier we work in, integration quality isn’t optional. Matching rooflines, consistent exterior cladding, and interior finish packages that read as original construction rather than an addition are part of the design brief from the beginning, not a detail we figure out at the end. If your home has fiber cement siding, stone veneer, or a particular window profile, those details come into the design conversation on day one. The goal is that nobody driving past can tell when the addition was built.
The families we work with in Broomfield aren’t looking for a spare bedroom with a kitchenette, they want a space that genuinely works as a private home for an aging parent. That means a full kitchen, in-unit laundry, a private entrance, and a bathroom configured for accessibility. Zero-threshold entries, wider doorways, and roll-in showers are requested alongside premium finishes, not as a trade-off for them. Many families also want an interior connection to the main home, a door that stays locked most of the time but is there when it matters. We think through all of that during design, so the space works for the season you’re in right now and the ones that come after it.
It starts with an honest structural conversation. Ranch homes in Broomfield weren’t built with a second story in mind, and before any design work begins, we need to understand what the existing framing can carry and what reinforcement would be required. That assessment isn’t a formality, it’s what tells us whether a pop-top is feasible and what it will actually cost. From there, the design work focuses on roofline integration, stair placement, and making sure the new floor reads as part of the original home rather than something stacked on top. Second-story additions are one of the best ways to add a primary suite or home office without giving up the backyard, and we’ve done this scope enough times in Broomfield to know where the real decisions are.
You don’t need anything prepared before we talk. Most of the families who call us are still in the figuring-it-out stage, they know they need more space, they have a rough idea of what that might look like, and they have questions they can’t quite answer yet. That’s exactly the right place to start. We’ll walk through your goals, your timeline, your home’s current layout, and what the HOA and permit process will look like for your specific situation. No pressure, no obligation. Just a real conversation so you can leave with a clearer picture of what’s possible and what comes next.

Start The Conversation

Room for Everyone
Who Matters Most to You

When your Broomfield home still feels right but the floor plan no longer fits, an addition or ADU can change everything, especially when someone you love needs a place that’s truly theirs. A private entrance, a real kitchen, a bathroom built for the long haul. Christie’s Design/Build Remodeling handles the HOA reviews, city permits, and every decision in between, so your family stays focused on what actually matters, not the paperwork.
Start Planning Your Project
(303) 833-4715

Our Other Remodeling Services

Kitchen
Remodeling

Learn More

Basement
Finishing

Learn More

Whole-Home
Remodeling

Learn More

Bathroom
Renovation

Learn More

Deck
Construction

Learn More

Outdoor
Living Spaces

Learn More

From The Blog

Bringing Your Broomfield Family
Closer, One Space at a Time

Adding space in Broomfield means navigating HOA approvals, city permits, and decisions that affect your family for years, and it helps to go in informed. Our blog covers the real questions around ADU planning, multi-generational layouts, the dual-approval process, and how to make new space feel like it was always there.