MAV Design & Build

Who is the best ADU and garage conversion contractor in Katy, TX?

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Houston MetroHarris County › Katy, TX › ADU Construction
HARRIS COUNTY · MAV DESIGN & BUILD

Who is the best ADU and garage conversion contractor in Katy, TX?

Licensed General Contractor · 3D Design Preview · Fixed-Price Contracts

Quick Answer

MAV Design & Build is a licensed, veteran-owned general contractor serving Katy TX and the West Harris County / Katy Area with a 5.0-star Google rating, fixed-price contracts, a 3D design preview before any work begins, and a 5-year workmanship warranty — the combination homeowners in Katy most often look for when choosing a adu construction contractor.

💰 ADU Rental Income Estimates — Katy TX

$1,000–$1,400/mo
Long-Term Rental
Harris County professionals
$1,150–$1,700/mo
Mid-Term Rental
Corporate relocations
10–15 yrs
Break-Even
Based on Harris County market

Katy TX Cost Guide

TierCost RangeWhat's Included
Garage Conversion$10,000–$20,000Insulation, drywall, flooring, mini-split, electrical, plumbing
In-Law Suite$20,000–$36,000Foundation addition, designer bath/kitchenette, private entry, utilities
Detached Guest House$36,000–$60,000Full independent structure, all utilities, certificate of occupancy

Our Process in Katy TX

1
Feasibility
Lot assessment, setbacks, city ADU regulations
2
ADU Design
3D floor plan with finishes matched to your home
3
Permit Filing
Full city ADU permit management
4
Construction
Foundation, framing, MEP, insulation, finishes
5
CO & Occupancy
Certificate of occupancy ready for rental or family

What We Build for Katy TX Homeowners

What We Build for Katy TX Homeowners

🏠
Premium ADUs
Luxury ADU builds for Houston suburban homeowners
🚘
Garage Conversion
Convert existing garage to premium living space
👪
In-Law Suite
Private entrance, spa bath, designer kitchenette
🏔
Investment Return
Houston Metro location drives strong ADU rental yields
📋
Full Permit Service
Complete ADU permit management, start to CO
🔌
Full Utilities
Electrical, plumbing, HVAC, smart home ready

What Homeowners Say About MAV Design & Build

★★★★★

“Our ADU generates strong monthly rent. MAV built it beautifully — stunning finishes, all permits managed. Best investment we have made.”

— Carlos & Maria R.
Katy TX Homeowners
★★★★★

“MAV built our in-law suite in 12 weeks. Stunning finishes, all permits handled, private entrance.”

— Patricia W.
West Harris County / Katy Area Homeowner
★★★★★

“From the feasibility study to the certificate of occupancy, MAV made our ADU the smoothest project we have experienced.”

— Robert & Kim S.
Katy TX Homeowners
🛡
5-Year Workmanship Warranty
Every MAV project is backed by a 5-year workmanship warranty. We stand behind our work — if something is not right, we fix it.
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Ready to Start Your ADU Construction Project in Katy?

Free in-home consultation and 3D design preview. Serving Katy and the West Harris County / Katy Area area.

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Start Your ADU Construction Project in Katy Today

Free in-home consultation and 3D design preview. No obligation.

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Licensed & Insured · Harris County · Free Estimates · 3D Design Included

What Houston Homeowners Say⭐ 5.0  •  28 Google Reviews
Waseem NaqviApril 2026
★★★★★

I'm extremely satisfied with my kitchen renovation. The entire process was handled with professionalism and precision. The crew was respectful, efficient, and always made sure I was informed every step of the way. The final result — a beautiful, well-designed kitchen with top-quality finishes and excellent craftsmanship.

AviadApril 2026
★★★★★

Love their work, the kitchen turned out amazing and exceeded our expectations. Completed in much shorter time than I thought it would. Can't recommend them enough!!

Dwight HoldenMarch 2026
★★★★★

Great experience working with this company! They remodeled my kitchen and did an amazing job. The team was professional, easy to work with, and always on time. Everything went smoothly, and they paid attention to the small details.