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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 Navarro County.

International Residential Code published as of May 1, 2008 for new single-family houses and duplexes and additions increasing an existing residence's area or value by more than 50 percent in unincorporated Navarro County; Richland-Chambers Lakeshore Area Zoning Ordinance and building-permit requirements within 5,000 feet of the reservoir's normal shoreline; county Flood Damage Prevention Court Order/NFIP standards; county OSSF rules and 30 TAC Chapter 285; county subdivision and manufactured-home-rental-community regulations.

Inspection lane

For covered residential work, the builder contracts with a qualified engineer, architect, TREC inspector, municipal plumbing/building inspector, or ICC residential-combination inspector for three inspections: foundation before concrete, framing and mechanical systems before drywall, and completion. Submit all reports before the county issues the completion certificate. For OSSF work, obtain authorization to construct, leave the system uncovered, and arrange inspection in advance with the county Designated Representative at 903-875-3313; a Notice of Approval follows a passing inspection.

Minor-work playbook

Understand what may be exempt—and what is not.

The county residential-construction order does not apply to manufactured homes built under Texas Occupations Code Chapter 1201 or modular homes under Chapter 1202. Its IRC inspection mandate is limited to new single-family houses or duplexes and additions that increase the existing building's square footage or value by more than 50 percent, so ordinary repairs and smaller additions are outside that order; lake-area zoning and floodplain approvals may still apply. The county's current development acknowledgment says all new, modified, or repaired septic systems require a permit.

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

    For covered residential work, the builder contracts with a qualified engineer, architect, TREC inspector, municipal plumbing/building inspector, or ICC residential-combination inspector for three inspections: foundation before concrete, framing and mechanical systems before drywall, and completion. Submit all reports before the county issues the completion certificate. For OSSF work, obtain authorization to construct, leave the system uncovered, and arrange inspection in advance with the county Designated Representative at 903-875-3313; a Notice of Approval follows a passing inspection.

  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 ↗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 Navarro County

Who handles permitting for this jurisdiction?

Navarro County Planning & Development Office 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?

No verified online portal was located in the reviewed public materials. Contact Planning & Development: 903-875-3311; OSSF program: 903-875-3313 and request the current application route before preparing a final submittal.

How long might review take?

OSSF applications received by mail are reviewed within 30 working days. In-person plan-review appointments must be confirmed 24 hours in advance and typically take 30-60 minutes. No fixed building or floodplain review time is published. The OSSF application expires after one year if inspection is incomplete; a lake-area building permit becomes void if authorized work is not completed within 12 months after work commences.

How are inspections scheduled?

For covered residential work, the builder contracts with a qualified engineer, architect, TREC inspector, municipal plumbing/building inspector, or ICC residential-combination inspector for three inspections: foundation before concrete, framing and mechanical systems before drywall, and completion. Submit all reports before the county issues the completion certificate. For OSSF work, obtain authorization to construct, leave the system uncovered, and arrange inspection in advance with the county Designated Representative at 903-875-3313; a Notice of Approval follows a passing inspection.

Which codes and exemptions should I review?

International Residential Code published as of May 1, 2008 for new single-family houses and duplexes and additions increasing an existing residence's area or value by more than 50 percent in unincorporated Navarro County; Richland-Chambers Lakeshore Area Zoning Ordinance and building-permit requirements within 5,000 feet of the reservoir's normal shoreline; county Flood Damage Prevention Court Order/NFIP standards; county OSSF rules and 30 TAC Chapter 285; county subdivision and manufactured-home-rental-community regulations. The county residential-construction order does not apply to manufactured homes built under Texas Occupations Code Chapter 1201 or modular homes under Chapter 1202. Its IRC inspection mandate is limited to new single-family houses or duplexes and additions that increase the existing building's square footage or value by more than 50 percent, so ordinary repairs and smaller additions are outside that order; lake-area zoning and floodplain approvals may still apply. The county's current development acknowledgment says all new, modified, or repaired septic systems require a permit.

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.