Accessory dwelling unit construction cost — McAllen, TX
Last updated: September 24, 2026
What affects the price
Building an ADU involves variables that shift your total investment. The footprint size and complexity of the architectural design are primary factors. Are you planning a detached unit that requires new utility trenching, or is this a garage conversion that uses existing plumbing? Site accessibility, soil conditions, and your choice of finishes—like luxury flooring versus standard options—also play significant roles. Permitting fees vary widely depending on your local municipality and current zoning requirements. Exact pricing confirmed free on the call.
About this service
The amount you spend depends on the size of the unit, whether you are building from scratch or converting an existing structure, and the quality of your finish materials. Foundations, utility connections, and local labor rates also play a significant role. We provide exact pricing confirmed free on the call.
Frequently asked in McAllen
How do I find accessory dwelling unit builders near me in McAllen?
What is needed for an ADU permit in McAllen?
What ADU companies serve McAllen?
What ADU services are available in McAllen?
ADU services in McAllen cover the entire process from start to finish. This includes initial design consultations, navigating permits, and full construction. You'll receive expert guidance every step of the way.
Can I build an in-law suite in McAllen?
What ADUs are available near me in McAllen?
What's involved in ADU construction in McAllen?
Also serving nearby: Edinburg · Mesquite · Brownsville · Laredo · Corpus Christi
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of McAllen — population 146,593; about 2,351 residents per square mile across 62.3 sq mi. ZIP codes covered include 78501, 78502, 78503, 78504, 78505.
Neighborhoods served in McAllen: Palm Village, Quinta Mazatlan, North McAllen, West McAllen, Downtown — and every surrounding area.
Areas we serve
Browse by state, then city.