Fees, valuation & enforcement
Permit fees are a project input. Enforcement exposure is a project risk. Use the official schedule where available, then confirm valuation, trade permits, plan review, and inspection charges with the Authority Having Jurisdiction.
Official fee pathway
The final charge may depend on declared construction value, occupancy classification, square footage, plan review, state surcharges, trade permits, technology fees, and inspection activity. Do not use a neighboring city’s fee table as a substitute for this jurisdiction.
Fee desk contact
956-247-3516 (Building Permits); 956-247-3599 (Environmental Health/OSSF); 956-247-3500 (County Engineer)
Ask the counter to confirm current charges before submitting a project with multiple trades or a change of use.
Financial exposure
Plan for building, mechanical, plumbing, electrical, fire, energy, zoning, septic, right-of-way, or other reviews that the project scope triggers. The lowest initial permit fee is not always the lowest project cost.
Enforcement exposure
When work begins without authorization, the agency may halt the site, require corrective plans, impose additional fees, withhold inspection release, or require concealed work to be exposed for review.
Closeout exposure
A missing final inspection or certificate can complicate occupancy, refinancing, sale, insurance, and utility connection. Preserve the approved plans and signed inspection record through closeout.
Professional field note
Even when a cosmetic or minor project does not require a building permit, zoning, floodplain, shoreline, historic, utility, fire, or right-of-way controls may still apply. Confirm the full jurisdictional picture before work starts.
Source trail
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
Cameron County Department of Transportation, Planning and Inspections / County Engineering and Public Health Environmental Health is the identified county-level authority for this profile. Confirm that the property is in its service area before filing.
No verified online portal was located in the reviewed public materials. Contact 956-247-3516 (Building Permits); 956-247-3599 (Environmental Health/OSSF); 956-247-3500 (County Engineer) and request the current application route before preparing a final submittal.
N/A; Cameron County publishes application requirements and inspection stages but no standard building-plan review timeline. OSSF permit letters are issued after the Designated Representative reviews and inspects the submission.
Submit the building permit application and plans to the Planning and Inspections Division at 1390 W. Expressway 83, San Benito, or contact 956-247-3516. County inspections include underground plumbing, foundation, framing, insulation, and final inspections; concealed work must not be covered before acceptance, and at least two whole business days’ notice is required for certain electrical inspections. After-hours requests must be submitted at least 72 hours in advance. For OSSF, obtain the building clearance letter, soil/site evaluation and design, submit the checklist to Environmental Health, and contact 956-247-3599; the Designated Representative issues the permit after review/inspection.
Cameron County’s Flood Damage Prevention and Building Regulations, adopted July 5, 2022 and amended through April 8, 2025, apply to all unincorporated areas. They incorporate FEMA’s February 16, 2018 Flood Insurance Study and FIRM/FBFM, county floodplain standards, applicable ICC and state codes, Cameron County Fire Marshal codes, NFPA 70 for electrical service, and the 2015 International Fuel Gas Code. The county requires the lowest finished floor generally 12 inches above BFE or 24 inches above highest adjacent grade, whichever is higher, with coastal/floodway and utility requirements. OSSF work follows Texas Health and Safety Code Chapter 366 and 30 TAC Chapter 285. No broad cosmetic-work exemption is published. The county requires a building permit before development in its jurisdiction. Temporary structures have Type I and Type II permit categories with defined terms. Subdivision platting exceptions include agricultural/farm/ranch/wildlife/timber uses, qualifying family divisions of four or fewer parts, divisions where all lots exceed 10 acres, and other statutory exceptions, but exempt divisions still require an affidavit and may remain subject to site-development, floodplain, building, and OSSF rules. Emergency utility repairs may proceed with next-business-day written notice to the Floodplain Administrator.
Why permit costs vary
Building departments commonly calculate charges from valuation, occupancy, floor area, project type, plan review effort, trade scope, state surcharges, and inspection activity. A remodel that appears small on paper may still trigger structural, energy, fire, or utility review. Ask the permit counter which disciplines apply before you finalize the construction budget.
The same discipline applies to enforcement. Correcting unpermitted work after finishes are installed can require demolition, revised plans, additional inspections, and schedule disruption. Authorization is usually the less expensive project-management decision.