San Antonio ADU Permit Fees & Cost Calculator
San Antonio allows accessory dwelling units and the City requires a separate ADU permit process with plan review and inspections. The official city pages confirm that applicants must use BuildSA, submit an affidavit/covenant, and pay a plan review fee, but the exact ADU fee schedule was not exposed in the search results and should be verified in the City fee schedule and with utilities such as SAWS and CPS Energy.
Free ADU fee calculator
Estimate local ADU fees
Step 1 of 5: Location
The calculator uses staged city data from the ADUFee database with visible confidence levels and dated source tracking.
Fee overview
Do not rely on third-party fee ranges for exact budgeting; verify the current City of San Antonio fee schedule before filing.
Utility and recording costs can vary by site and service scope, so exact amounts should be confirmed with SAWS, CPS Energy, and Bexar County.
The search results did not expose an official school district impact fee; none was included without direct official support.
The relevant project is an ADU within the City of San Antonio city limits, not an unincorporated Bexar County parcel.
Any utility connection fees depend on whether the project needs new or upgraded water, wastewater, electric, or gas service.
The city fee schedule was not fully visible in the provided search results, so exact dollar amounts were not entered.
FAQs
Are San Antonio ADU fee estimates official?
No. ADUFee.com provides planning estimates only. Final fees are set by the city, utility providers, school district, and other agencies.
What sources are used for San Antonio?
The database stores city, state, utility, school, county, and other source links where available. Each estimate should still be verified locally.
Can ADU fees vary within Texas?
Yes. Permit, utility, school, inspection, and impact fees can vary by jurisdiction, parcel, project size, utility provider, and local interpretation.