
Alta RGV Construction LLC
Alta RGV Construction LLC. Home builder
Looking for the best custom ADU builders in Brownsville, Texas? Our directory features 6 vetted custom adu builders serving the Brownsville area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.

Alta RGV Construction LLC. Home builder

JD Custom Homes & Construction LLC. Custom home builder. 3640 E 14th St Suite E, Brownsville, TX 78521

Garcia Builders Custom Homes. Construction company. 3830 Calle Buenos Aires, Brownsville, TX 78526

H.D.S. Drafting and Construction. Custom home builder. 2017 Palm Blvd, Brownsville, TX 78520, United States

Unique Homes by J. Alvarez. Home builder. 6521 Paredes Line Rd, Brownsville, TX 78526, United States

Family Designs & Construction Inc.. General contractor
Brownsville is one of the top markets for accessory dwelling units in Texas. With growing demand for affordable housing, ADU construction in Brownsville offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of custom adu builders in Brownsville helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.
ADU construction costs in Brownsville typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed custom adu builders to compare prices.
Yes, ADU construction in Brownsville requires building permits. Texas has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.
ADU construction timelines in Brownsville typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.