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Codes, exemptions & field inspections

Build to the adopted code. Verify every exception.

This guide translates the available agency record into a preconstruction checklist for structural scope, minor work, and inspection release. The adopted code and the issuing official control when a field condition is disputed.

Regulatory framework

The code baseline for Bexar County.

In unincorporated Bexar County, the Fire Marshal Office determines when a building permit is required for structures or areas that are not a single-family dwelling use; the county defines a single-family dwelling for this purpose as one structure containing three or fewer residential dwelling units. County Public Works also requires permit verification covering stormwater, floodplain, right-of-way, subdivision, lighting, and OSSF approvals. Municipal building and zoning rules apply within incorporated cities and their applicable jurisdictions.

Inspection lane

Submit building/floodplain materials through the County of Bexar OpenGov portal; Public Works provides a kiosk for applicants unable to submit online. Floodplain applications require a signed application, $50 fee, site plan, contours, construction plans, and as applicable a flood study, elevation certificate, OSSF design, and CLOMR. OSSF permits and License to Operate records are coordinated through Environmental Services. Technical floodplain review is 30 days initially and 15 days for follow-up; completeness review is 10 days.

Minor-work playbook

Understand what may be exempt—and what is not.

No general county cosmetic-work exemption list was published. County permits are generally tied to unincorporated-area jurisdiction and the type/location of development. For OSSF, all systems require a permit; standard systems renew every five years with a $30 renewal fee, while an existing unpermitted system requires registration supported by a sanitarian or engineer site survey and septic design. Properties inside municipalities may instead follow the municipality’s building-permit process.

Field rule

A permit exemption generally addresses one narrow construction trigger. It does not automatically waive zoning, land-use, floodplain, shoreline, fire, energy, electrical, utility, septic, or right-of-way requirements. Obtain written confirmation when the project involves a new structure, structural alteration, change in occupancy, or concealed work.

Inspection pipeline

Keep the work visible at every release point.

  1. 1

    Request with lead time

    Submit building/floodplain materials through the County of Bexar OpenGov portal; Public Works provides a kiosk for applicants unable to submit online. Floodplain applications require a signed application, $50 fee, site plan, contours, construction plans, and as applicable a flood study, elevation certificate, OSSF design, and CLOMR. OSSF permits and License to Operate records are coordinated through Environmental Services. Technical floodplain review is 30 days initially and 15 days for follow-up; completeness review is 10 days.

  2. 2

    Preserve access

    Do not cover framing, reinforcement, wiring, piping, damp-proofing, or life-safety work until the required inspection has been completed and documented.

  3. 3

    Close the record

    Retain the approved plans, inspection approvals, correction responses, and final certificate or occupancy release with the property file.

Contractor verification

Verify the builder before the contract is signed.

Use the state licensing system to verify active registration, trade credentials, bond status, and liability coverage where available. Match the legal business name to the proposal and permit application.

Verify contractor ↗

Planning reference

Keep the parcel rules beside the building plans.

A building permit is only one part of statutory compliance. Check the local zoning, ordinance, map, or land-use reference before finalizing setbacks, height, lot coverage, access, drainage, or accessory structure placement.

Open planning reference ↗

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.

Agency websiteOpen official source ↗Permit portalOpen official source ↗Application instructionsOpen official source ↗Fee scheduleOpen official source ↗Planning or zoning referenceOpen official source ↗Contractor license lookupOpen official source ↗

Project questions

Frequently asked questions for Bexar County

Who handles permitting for this jurisdiction?

Bexar County Public Works Development Services / Fire Marshal Office / Environmental Services 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 210-335-6700 (Public Works); 210-335-0300 (Fire Marshal); 210-335-3822 (OSSF questions).

How long might review take?

Floodplain/related Public Works review: 10-day completeness review, 30-day initial technical review, and 15-day follow-up reviews. Bexar County guidance lists OSSF review at 30 days. Building-permit timing depends on Fire Marshal review and completion of Permit Verification requirements.

How are inspections scheduled?

Submit building/floodplain materials through the County of Bexar OpenGov portal; Public Works provides a kiosk for applicants unable to submit online. Floodplain applications require a signed application, $50 fee, site plan, contours, construction plans, and as applicable a flood study, elevation certificate, OSSF design, and CLOMR. OSSF permits and License to Operate records are coordinated through Environmental Services. Technical floodplain review is 30 days initially and 15 days for follow-up; completeness review is 10 days.

Which codes and exemptions should I review?

In unincorporated Bexar County, the Fire Marshal Office determines when a building permit is required for structures or areas that are not a single-family dwelling use; the county defines a single-family dwelling for this purpose as one structure containing three or fewer residential dwelling units. County Public Works also requires permit verification covering stormwater, floodplain, right-of-way, subdivision, lighting, and OSSF approvals. Municipal building and zoning rules apply within incorporated cities and their applicable jurisdictions. No general county cosmetic-work exemption list was published. County permits are generally tied to unincorporated-area jurisdiction and the type/location of development. For OSSF, all systems require a permit; standard systems renew every five years with a $30 renewal fee, while an existing unpermitted system requires registration supported by a sanitarian or engineer site survey and septic design. Properties inside municipalities may instead follow the municipality’s building-permit process.

Field sequencing matters

The inspector needs to see the work at the right moment.

Code compliance is not only a plan-review exercise. Footings, reinforcement, framing, fireblocking, wiring, piping, insulation, weather protection, and life-safety systems each have points where the work must remain accessible. Build the inspection calendar into the trade schedule instead of treating it as a final administrative step.

When a project qualifies for a narrow minor-work exemption, keep a written explanation of why it qualifies and confirm that related zoning, utility, fire, energy, or environmental rules do not create a separate approval requirement.

Closeout file

Keep the approved plan set, inspection approvals, correction responses, contractor license verification, final certificate, and any occupancy release together. A clean record protects the owner, builder, lender, insurer, and future buyer.