Septic rules and requirements in Fort Bend County, Texas
Septic permits in Fort Bend County are issued by the Fort Bend County Environmental Health Department. A new system permit costs $575. USDA rates most of the soil in the county Very limited for septic absorption fields — 97.2% of the rated acres. Fort Bend County Environmental Health — On-Site Sewage Facility (OSSF) Program · checked 2026-10-06
Fort Bend County Environmental Health
Issues the permit
checked 2026-10-06
$575
Septic system permit
checked 2026-10-06
Very limited
USDA rating, 97.2% of rated acres
checked 2026-10-06
Who issues septic permits in Fort Bend County?
Fort Bend County Environmental Health Department, at 4520 Reading Road, Suite A-800, Rosenberg, TX 77471, 281-342-7469. It is part of county government. The state writes the rules it applies.
Fort Bend County Environmental Health — On-Site Sewage Facility (OSSF) Program · checked 2026-10-06
What does a septic permit cost in Fort Bend County?
$575 for a septic system permit, on the county's own schedule.
Applies to a single-family home. It covers plan review and two inspections.
| Single Family Residential | $575 | a system, per each the source lists as 2 inspections and plan review; includes $10.00 TCEQ fee |
|---|---|---|
| Non Single-Family Dwelling | $575 | a system, per each the source lists as 2 inspections and plan review; includes $10.00 TCEQ fee |
| Commerical & Industrial | $650 | a system, per each the source lists as 2 inspections and plan review; includes $10.00 TCEQ fee |
| Additional Inspections | $225 | a system, per each the source lists as Re-inspections, Emergency, Tank Only, Extra, Tie-In and Requested |
| Variance Request | $200 | a system, per each |
| Plat/Subdivisions Review | $30 | a system, per lot or reserve |
| Aerobic system annual maintenance fee | $50 | a aerobic system, per annually, each system the source lists as Contracts are submitted |
| Re-Design | $300 | a system, per each the source lists as Required if different than approved design |
| Non-Cancellation of Inspection | $100 | a system, per each the source lists as Failure to cancel within one hour of scheduled inspection |
| No-Call, No-Show | $100 | a system, per each the source lists as Failure to cancel plan review meeting within 24 hours or no show |
| Re-Instatement Fee | $25 | a system the source lists as Of Annual Maintenance Contract with same provider in the same contract period |
The fee includes a state fee. An application ends after one year.
Fort Bend County Environmental Health — Permit/Inspection Fees · checked 2026-10-06
How long does approval take in Fort Bend County?
30 days.
Applies to the county decision.
The county approves or denies an application in that time.
Fort Bend County Environmental Health — On-Site Sewage Facility Permits / Packets · checked 2026-10-06
Is the soil in Fort Bend County suitable for a septic system?
USDA rates most of the county Very limited for septic absorption fields — 97.2% of the rated acres. A rating describes the ground, not a parcel. The county's site evaluation decides each lot.
USDA NRCS Soil Data Access (SSURGO) · checked 2026-10-06
What Fort Bend County sets itself
The state writes the code. Fort Bend County adds the rules below. They are what makes this page differ from the Texas requirements.
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Every septic job needs a permit and an inspection, on a lot of any size.
Applies to any new system, and any change, extension or repair to a system.
This is the county's own rule. It adds to the state rules.
Order Adopting Rules of Fort Bend County, Texas for On-Site Sewage Facilities, Section 10(a) · checked 2026-10-06
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A registered installer builds every system. An owner may build one only if the owner is an installer.
Applies to any type of system.
The county adds this rule to the state rules.
Order Adopting Rules of Fort Bend County, Texas for On-Site Sewage Facilities, Section 10(b) · checked 2026-10-06
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A contracted provider must check the system each month.
Applies to a food business with extra treatment.
A food business needs a monthly check. The provider sends test results to the county.
Order Adopting Rules of Fort Bend County, Texas for On-Site Sewage Facilities, Section 10(c) · checked 2026-10-06
Sources
Each figure above has a government source and a checked-on date. USDA's Soil Data Access service supplies the soil records. A script writes them, and nobody types them.
- Fort Bend County Environmental Health — On-Site Sewage Facility (OSSF) Program
- Fort Bend County Environmental Health — Procedures on Applying for an OSSF Permit
- Fort Bend County Environmental Health — OSSF fee schedule letter to Commissioners Court
- Order Adopting Rules of Fort Bend County, Texas for On-Site Sewage Facilities, Section 10(a)
- Fort Bend County Environmental Health — On-Site Sewage Facility Permits / Packets
- Fort Bend County Environmental Health — Permit/Inspection Fees
- 30 TAC §285.91(2), Table II -- Septic Tank and Aerobic Treatment Unit Sizing
- USDA NRCS Soil Data Access (SSURGO)
Verify before you act. Septic rules are set locally and they change. Check anything here before you spend money on it. Call the Fort Bend County Environmental Health Department, on 281-342-7469.