Administrative overview · FIPS 48039
Brazoria County permit authority
The first compliance decision is jurisdictional: identify the office with statutory authority over your parcel, then use its filing and inspection sequence to keep the project moving.
Jurisdictional status
County
This county profile is the primary starting point for unincorporated-area permitting.
Responsible agency
Brazoria County Floodplain/Building Permits Department and Environmental Health Department
For a project in or near Brazoria County, this office is the identified point of contact for permit intake, statutory code enforcement, plan review coordination, and inspection release conditions. Confirm the parcel’s boundary and project type before relying on the county lane.
Direct contact
979-864-1295 (Floodplain/Building Permits); 979-864-1600 (Environmental Health/OSSF); 979-864-1265 (Engineering pre-development)
Call before mobilizing if the project has a boundary, occupancy, fire, septic, or utility question.
Permit counter
Floodplain/Building Permits Department, 451 N. Velasco, Suite 210, Angleton, TX 77515; Environmental Health, 111 E. Locust, Building A-29, Suite 270, Angleton, TX 77515
Operating hours
Permit reviews are conducted Monday-Friday; the county does not publish a separate public counter schedule on the permit pages.
Review expectation
Up to 20 business days for county building-permit review when the application is complete. The OSSF page does not state a separate turnaround time; it says fees are due after review and approval and then an Authorization to Construct is issued.
Compliance workbench
Choose the next project decision.
Apply online
Open the verified digital gateway, application form, and review timeline.
Open guide →Fees & penalties
Understand fee schedules, enforcement exposure, and stop-work liabilities.
Open guide →Codes & exemptions
Read the code framework, minor-work exemptions, and inspection lane.
Open guide →Agency website
Visit the primary public source for current notices and contact changes.
Open guide →Source trail
Official sources for this profile
Use these direct agency or licensing links to confirm current instructions before you file, pay, or schedule work. External pages control if their information differs from this directory.
Project questions
Frequently asked questions for Brazoria County
Who handles permitting for this jurisdiction?
Brazoria County Floodplain/Building Permits Department and Environmental Health Department is the identified county-level authority for this profile. Confirm that the property is in its service area before filing.
How should I begin an application?
Begin with the online permit gateway listed in the application guide. If the portal does not recognize the address or project type, contact 979-864-1295 (Floodplain/Building Permits); 979-864-1600 (Environmental Health/OSSF); 979-864-1265 (Engineering pre-development).
How long might review take?
Up to 20 business days for county building-permit review when the application is complete. The OSSF page does not state a separate turnaround time; it says fees are due after review and approval and then an Authorization to Construct is issued.
How are inspections scheduled?
Submit the complete building or development application with required documents, including correct 911 address, floor/site plans, septic approval when applicable, drainage approval, fire-code approval for commercial work, and elevation certificates in flood zones. The county states that permit review may take up to 20 business days. OSSF applications are submitted in person or by mail, reviewed Monday-Friday by at least two designated representatives, and receive an Authorization to Construct after approval and payment; final approval follows inspection.
Which codes and exemptions should I review?
For unincorporated county residential construction, Brazoria County materials identify the 2006 International Residential Code with subsequent amendments as the minimum residential construction code and require county IRC registration for builders. The county also enforces floodplain/development regulations, requires floodplain or fill/grading permits where applicable, and requires Environmental Health OSSF approval before a building permit when septic approval is required. Properties in a city or its ETJ may be subject to municipal codes. In Zone X, a fully enclosed structure generally requires a county building permit at 200 square feet or larger; in any flood zone, any-size fully enclosed structure requires review. For OSSF, no planning materials, permit, or inspection is required for a qualifying single-family dwelling on one tract of at least 10 acres when it is the only dwelling, all OSSF components are at least 100 feet inside property boundaries, and all other rules are met. No broader cosmetic-work exemption list was published.