Adu Company in San Antonio, TX | AccessoryDwellingUnit Experts

Looking for adu company in San Antonio, TX? Call AccessoryDwellingUnit Experts for a contact a provider — no obligation. Licensed adu builders serve San Antonio and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

What affects the price

Building an ADU is a major project, and the final bill depends on a few key things. Site prep is a big factor; if your land is sloped or needs extensive utility connections, costs go up. The materials you choose—from siding to kitchen finishes—also change the math significantly. Whether you’re building a detached unit or converting an existing garage shifts the permit requirements and structural work needed. We provide exact pricing confirmed free on the call.

About this service

An ADU company manages the entire project lifecycle, from initial design and permit acquisition to the final walk-through. You need a full-service company if you want to avoid the stress of coordinating different contractors or handling complex municipal filings yourself. We act as your single point of contact, ensuring your vision is executed correctly while keeping you informed at every stage of construction. Exact pricing confirmed free on the call.

Frequently asked in San Antonio

What's the first step to building an ADU in San Antonio?

What does ADU stand for and what types are common here?

ADU stands for Accessory Dwelling Unit. In San Antonio, common types include detached units, often built in backyards, and attached units, like basement or garage conversions. These units provide flexible living space. They can serve as rentals, housing for family members, or home offices. The pros can help you decide which type best fits your needs and property.

How much does it actually cost to build an ADU in San Antonio?

The cost to build an ADU in San Antonio depends on several factors. These include the size, design complexity, and specific materials chosen. Site preparation and foundation work also play a role. Utility connections and any necessary upgrades are factored in. The pros will give you a detailed quote after assessing your property. This ensures you know exactly what to expect financially.

What's involved in the ADU construction process?

Are mother-in-law suites a popular option in San Antonio?

Yes, mother-in-law suites are a popular option for accessory dwelling units in San Antonio. They offer a private living space for extended family members. These units can be detached or attached to the main home. They provide independence while keeping loved ones close. Pros can help design a suite that meets your family’s specific needs.

What are the main considerations for ADU construction?

Key considerations for ADU construction include local zoning laws, property lines, and utility access. The existing home's structure and foundation are also important. The pros will assess your property to ensure compliance and feasibility. They also consider the design that best suits your needs and budget. Careful planning leads to a successful build.

How much does it typically cost to get an ADU permit?

Also serving nearby: New Braunfels · Austin · Round Rock · Georgetown · Killeen

All cities in Texas →

More on this: HUD ADU resources — ADU policy and financing research.

Service area details

1,495,295residents

2,997per sq mile

8ZIP codes served

Serving all of San Antonio — population 1,495,295; about 2,997 residents per square mile across 498.9 sq mi. ZIP codes covered include 78201, 78202, 78203, 78204, 78205, 78206, 78207, 78208.

Neighborhoods served in San Antonio: Alamo Heights, King William Historic District, The Pearl, Downtown, Southtown — and every surrounding area.