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 quote is a detailed breakdown of what it takes to bring your secondary unit project to life. This process involves looking at your site conditions, utility access, and design preferences to give you a clear financial picture. You should request this when you are ready to move from the brainstorming phase into real planning. Costs are typically influenced by foundation type and finish levels. Exact pricing confirmed free on the call.
Frequently asked in San Antonio
What's involved in building a detached accessory dwelling unit in San Antonio?
How do I find accessory dwelling unit builders near me in San Antonio?
What should I know about ADU companies in San Antonio?
Tell me about adding an ADU unit to my San Antonio property.
What's the process for an ADU builder in San Antonio?
An ADU builder in San Antonio will first visit your property to evaluate the site. They'll discuss your vision for the accessory dwelling unit. Following this, they prepare a detailed quote outlining costs and timelines. The builder then manages the design, permitting, and construction phases. Their expertise ensures a compliant and well-built ADU.
Are there specific rules for accessory dwelling units in New Hampshire?
While our services are focused on San Antonio, Texas, accessory dwelling unit regulations vary significantly by state and city. For New Hampshire, you would need to consult local zoning ordinances or a specialist familiar with that state's specific requirements. Regulations cover size, setbacks, and permitting processes.
What are the considerations for a prefabricated accessory dwelling unit in San Antonio?
Also serving nearby: New Braunfels · Austin · Round Rock · Georgetown · Killeen
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
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: King William Historic District, The Pearl, Olmos Park, Monte Vista, Alamo Heights, Terrell Hills — and every surrounding area.
More services in San Antonio
Everything else we cover here.
24 hour adu · accessory dwelling unit · accessory dwelling unit builders · accessory dwelling unit builders near me · accessory dwelling unit companies · accessory dwelling unit construction · accessory dwelling unit construction cost · accessory dwelling unit contractor · accessory dwelling unit contractor san diego · accessory dwelling unit cost · accessory dwelling unit financing · accessory dwelling unit for rent · accessory dwelling unit grants · accessory dwelling unit homes · accessory dwelling unit massachusetts · accessory dwelling unit near me · accessory dwelling unit new hampshire · accessory dwelling unit permit · accessory dwelling unit permit cost · accessory dwelling unit rental · accessory dwelling unit services · accessory dwelling units adus · adu builder · adu building · adu company · adu construction · adu cost · adu estimate · adu housing · adu near me · adu permit · adu services · adu unit · affordable accessory dwelling unit · affordable adu · backyard accessory dwelling unit · best accessory dwelling unit · best adu · cost of accessory dwelling unit · cost to build accessory dwelling unit · detached accessory dwelling unit · emergency adu · homes with in law suites · homes with mother in law suites · local adu · modular accessory dwelling unit · prefab adu · prefabricated accessory dwelling unit · what does accessory dwelling unit mean
Areas we serve
Browse by state, then city.
Alabama (2)
California (14)
All of California · Bakersfield · Berkeley · Chula Vista · Downey · Garden Grove · Hesperia · Inglewood · Los Angeles · Merced · Norwalk · Rancho Cucamonga · San Francisco · Thousand Oaks · Torrance
Colorado (2)
Connecticut (1)
District of Columbia (1)
Florida (9)
All of Florida · Cape Coral · Clearwater · Davie · Deltona · Lakeland · Miami · Palm Bay · Palm Coast · Port St. Lucie
Georgia (3)
Idaho (1)
Illinois (1)
Indiana (1)
Iowa (1)
Kansas (1)
Louisiana (2)
Massachusetts (2)
Michigan (3)
Minnesota (1)
Missouri (1)
Montana (1)
Nevada (2)
New Jersey (1)
New Mexico (1)
New York (1)
North Dakota (1)
Ohio (1)
Oregon (3)
Pennsylvania (2)
Tennessee (1)
Texas (7)
All of Texas · Corpus Christi · Fort Worth · Georgetown · Grand Prairie · Killeen · Laredo · San Antonio
