M
MY CUSTOM ADU
Houston Metro
Custom ADU in Houston, TX
Houston Metro · Custom ADU Builder

My Custom ADU

Backyard cottages, garage conversions, and casitas — built for how you actually live.

↓
500+
Houston homeowners reached
4–6 mo
Typical build time
$80K–$240K
Transparent pricing
1 team
Design → permits → build
What we build

Three ADU types,
custom to your lot

Whether you want a rental cottage, a garage apartment, or a backyard casita — we handle every step.

How it works

From idea to move-in,
in five steps

One team, one contract, one point of contact.

01

Free Site Visit

We walk your lot, review your goals, and check setbacks, utilities, and HOA. No pressure, no obligation.

02

Design & Quote

We design your ADU to your lot and your needs. Transparent written estimate — no surprises.

03

Permits & Approvals

We handle all paperwork with the City of Houston, your HOA, and utility providers.

04

Construction

Our team handles foundation, framing, MEP, finishes, and inspections. Weekly site updates from us to you.

05

Move-In Ready

Final inspection, walkthrough, and keys. Your ADU is ready to live in or rent out.

Honest pricing

How much does an ADU
cost in Houston?

Most homeowners budget between $80,000 and $240,000.

Most affordable

Garage Conversion

$80K – $130K

Convert your existing garage into a livable ADU. Fastest path — typically 6–10 weeks.

Most flexible

Casita / In-Law Suite

$120K – $220K

Attached or detached, designed for aging parents, adult kids, or guests.

Where we build

Serving the entire
Houston metro

HoustonKatySugar LandThe Woodlands PearlandSpringCypressTomball HumbleMissouri CityLeague CityGalveston FriendswoodRosenbergConroePasadena BaytownDeer ParkLa PorteBellaire West UniversityStafford
Common questions

Houston ADU questions,
answered

How much does an ADU cost in Houston?

Most ADUs in Houston cost between $80,000 and $240,000. A basic garage conversion starts around $80K, while a fully detached two-bedroom cottage runs $200K–$240K+.

How long does it take to build an ADU in Houston?

A garage conversion typically takes 6–10 weeks. A fully detached ADU usually takes 4–6 months from permit approval to move-in ready.

Do I need a permit to build an ADU in Houston?

Yes. Houston allows ADUs up to 900 square feet with proper setbacks. We handle all permits and inspections.

Can my HOA stop me from building an ADU?

Maybe — every HOA is different. We review your community's restrictions and find the cleanest compliant approach.

What size ADU is allowed in Houston?

Houston caps ADUs at 900 square feet with full kitchen and bathroom.

How much can I rent an ADU for in Houston?

Most Houston ADUs rent for $1,200–$2,500/month.

Get started

Let'"'"'s build your custom ADU

Free written estimate. Free site visit. No pressure.

Call or text(713) 405-0340
HoursMon–Sat, 8am–6pm
Service areaGreater Houston metropolitan area

Free Estimate

Same-day response during business hours.

Call now