A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Missouri City, TX
Missouri City homeowners looking to add livable space have a few solid options: a detached ADU (accessory dwelling unit, which is a smaller independent home on your existing lot), a garage conversion, or a home addition. What makes work here different from other Houston suburbs is the mix of housing stock: established neighborhoods with mature trees and generous lot sizes, plus newer master-planned communities with stricter architectural controls. If you’re weighing your options and want a straight answer on cost and process, call (361) 326-2313. We’ll give you a written price before any work starts.
Why Missouri City Homes Are Different
Missouri City’s housing stock spans several decades, and that affects how an ADU or conversion gets planned. Homes in older sections like Hunters Glen and Quail Valley often sit on larger lots with mature oaks, which is good for a detached unit but can complicate routing for utilities and drainage. Newer communities, such as Sienna and Riverstone, come with deed restrictions and architectural review committees that dictate exterior materials, rooflines, and even paint colors. We’ve worked through enough of those reviews to know that getting the paperwork right on the front end saves weeks later.
The soil here is a factor too. Missouri City sits on expansive clay soils that shift with rainfall and drought. A detached ADU needs a foundation design that accounts for that movement, and a garage conversion often requires leveling before framing. The Kingswell Way applies to every job in Missouri City: say the price before the work, show up in the window given, leave the place cleaner than found, and put the guarantee in writing.
Our Main Missouri City Services
These are the three services Missouri City homeowners call about most. Each has its own page with local pricing, timelines, and what to expect.
Home Addition Contractor in Missouri City
A home addition in Missouri City means building attached square footage onto your existing house: a new primary suite, a family room, or a second-story bump-out. The process here almost always starts with a check on setbacks and lot coverage, because many Missouri City lots are wider than they are deep, which changes where an addition can go. Drainage matters too, especially on clay soil. Our Home Addition Contractor in Missouri City page covers local costs, permit steps, and what a written line-item quote includes.
Garage Conversion Contractor in Missouri City
A garage conversion turns an attached or detached garage into heated and cooled living space. In Missouri City, the two big variables are the condition of the existing slab and whether the home is in a community with parking minimums. Some HOAs require a replacement carport or covered parking if the garage is converted. We handle that coordination as part of the job. Read the local breakdown on the Garage Conversion Contractor in Missouri City page, including straight dollar ranges for a standard conversion.
ADU Builders in Missouri City
A detached ADU is a small standalone house on your property, and Missouri City’s larger lots make it a real option where Houston’s tighter lots often don’t. A lodge, as our name suggests, is a small house on a larger property, which is exactly what an ADU is. We help homeowners sort through prefab options and site-built builds, matching the choice to lot access, HOA rules, and budget. The ADU Builders in Missouri City page covers costs per square foot, timelines, and how prefab compares to stick-built here.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Missouri City
We work with leading ADU brands and materials including Mighty Buildings, Boxabl, and Tuff Shed, matched to each Missouri City lot, budget, and timeline. Parts for these systems are available through our Houston suppliers, which keeps typical lead times short. See our brands page for a closer look at what each system does well.
Pricing for ADU Company in Missouri City, TX
| Service | Typical range in Missouri City |
|---|---|
| Detached ADU (site-built) | $180,000 – $350,000 |
| Prefab ADU (Boxabl, Mighty Buildings) | $95,000 – $180,000 |
| Garage conversion (attached, standard finish) | $70,000 – $140,000 |
| Detached garage conversion | $90,000 – $165,000 |
| Home addition (primary suite, ground floor) | $110,000 – $220,000 |
| Home addition (family room bump-out) | $85,000 – $175,000 |
| Second-story addition (partial) | $160,000 – $320,000 |
| Foundation repair for ADU slab | $8,000 – $25,000 |
| Site prep, grading, drainage | $5,000 – $18,000 |
| Utility connections (water, sewer, electric) | $6,000 – $22,000 |
What pushes a Missouri City job toward the top of these ranges is usually the same list: expansive clay soil that needs a stronger foundation, HOA-required design changes, and tree removal or protection requirements on older lots. Whatever the quote lands on, it’s a written price before work starts, no price changes at the door.
Neighborhoods We Serve in Missouri City
We cover Missouri City from the older, tree-lined streets near Texas Parkway up through the master-planned sections around Sienna and Riverstone. Most of our Missouri City clients are within a 20-minute drive of our Houston dispatch office, which keeps scheduling tight. Representative neighborhoods we work in regularly include:
- Sienna
- Riverstone
- Quail Valley
- Hunters Glen
- Lake Olympia
Service Area – Cities Near Missouri City
While this page focuses on Missouri City, our crews regularly work in the surrounding Fort Bend County area. That includes Stafford, TX, Sugar Land, TX, Manvel, TX, and Richmond, TX. If you’re in one of those communities, give us a call and we’ll let you know what scheduling looks like.
Serving Missouri City, TX - Our Local Coverage Area
We’re based in the Missouri City area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About ADU Company in Missouri City
We schedule free estimates in Missouri City Monday through Saturday, usually within a few days of your call. The visit takes about an hour, and you’ll have a written line-item quote in hand before we leave. Call (361) 326-2313 to set one up.
Yes. We coordinate with your HOA or architectural review committee as part of the job, including paperwork, design submittals, and any revision requests. Some Missouri City communities require specific exterior materials or replacement parking, and we handle those conversations for you.
We’re a full-service ADU company, which means we handle design, permits, construction, and inspections from start to finish. If you already have a design from another contractor, we’re happy to review it and give you a written price to complete the work. Russ Delmar leads our Missouri City projects and is your point of contact throughout the build.
What happens when you call
- 1A real person answersNo phone trees - talk to a local adu pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Missouri City Customers Say
"The ADU came out beautiful and the permitting, which terrified me, was handled start to finish. They kept me updated every week so I was never wondering what was happening."
- Shauna Mills"Added a suite for my dad. They walked us through every cost before a hammer swung and stuck to it. The written price is what we paid, no change orders."
- Ingrid Salazar"Added a bedroom and bath for our growing family. Honest from day one about what was possible and what it would cost. Showed up when they said and the work has held up great."
- Troy Benavidez
