Digital permit application gateway
Start with the issuing authority’s own submission lane. A complete application package, accurate valuation, and accessible inspection path are the fastest route through statutory plan review.
Recommended first click
Use the official digital gateway to submit plans, monitor review comments, pay required charges, and request inspections when the permit is issued. If the link is unavailable, use the agency website or phone number on the administrative profile to confirm the current lane.
Typical review lane
N/A for general development review. TCEQ rules require the permitting authority to approve or deny complete OSSF planning materials and applications within 30 days; the county’s seven-step guide does not state a shorter county review time.
Treat this as a planning signal, not a guaranteed approval date. Completeness, corrections, resubmittals, and agency workload control the actual clock.
Verify the parcel is inside this agency’s service area and note whether a city, state, fire marshal, septic authority, or utility district also has approval authority.
Prepare legible plans, site information, project valuation, ownership authorization, contractor information, and any energy, floodplain, zoning, or utility documentation the issuing office requires.
Keep the permit number, approved plan set, correction comments, fee receipts, and inspection results together. Those records establish the compliance trail for the next trade.
Application documents
Before submission, call Environmental Services: 936-873-4495; Development Services: 936-873-6465; County Engineer/Floodplain Administrator: 936-873-4436 if the project involves a change of occupancy, structural alteration, accessory structure, demolition, or work near a regulated environmental feature.
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
Grimes County Development Services and Environmental Services Division 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 Environmental Services: 936-873-4495; Development Services: 936-873-6465; County Engineer/Floodplain Administrator: 936-873-4436 and request the current application route before preparing a final submittal.
N/A for general development review. TCEQ rules require the permitting authority to approve or deny complete OSSF planning materials and applications within 30 days; the county’s seven-step guide does not state a shorter county review time.
Submit Development Permit materials by email to GCPermits@grimescountytexas.gov or in person at 270 FM 149 W. OSSF applicants submit a site/soil evaluation, design, application, and fee; the county issues an Authorization to Construct, then a licensed TCEQ installer builds to the approved plans. The county inspects before backfill and issues a Notice of Approval; the residential application requests at least 24 hours’ notice for inspection. Floodplain development requires the floodplain application, and Zone A/1% BLE work requires survey/elevation or engineer materials and inspection. OSSF fees are $420 residential, $624 commercial, and $307 modification for 2026.
Grimes County Commissioners Court adopted the 2021 International Residential Code on December 18, 2024, for new residential construction in unincorporated Grimes County. A Development Permit is required for all development, and residential builders must submit Notices of Construction and Inspection, although the county states it does not inspect residential structures. Commercial review follows the 2025 Grimes County Infrastructure Regulations, including drainage, civil, road-use, emergency-access, and fire-protection review. OSSF work follows TCEQ 30 TAC Chapter 285 and county requirements. Grimes County states that a Development Permit is required for all development. The January 2026 floodplain order excludes routine maintenance and repairs, accessory structures outside Zone A under 150 square feet, certain agricultural activities that do not cause flooding or other impacts, and insignificant temporary material storage in Zone X. These exclusions are subject to the County Engineer’s determination and do not eliminate OSSF, subdivision, utility, or other applicable requirements.
What makes an application complete
Before you click submit, make sure the drawings agree with the site plan, project description, valuation, ownership authorization, and contractor information. If the work changes structure, occupancy, drainage, fire protection, energy performance, or utility demand, describe that scope plainly. Ambiguous narratives create correction cycles and delay the field schedule.
Save the confirmation number, payment receipt, uploaded plan set, and every correction comment. Those records are the backbone of a defensible compliance file when multiple trades or agencies share responsibility.
Submission quality check
Site: address, parcel, access, setbacks, and existing conditions are consistent.
Scope: structural, mechanical, plumbing, electrical, fire, and energy work is identified.
Closeout: inspection contacts and the final approval path are understood before work begins.