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§ 02
When a permit is required
Permit triggers and exempt work for Washington
Washington maintains official planning permit and building code pages; the reviewed public page text did not expose a detailed trigger list.
Note: No public Washington exemption list was captured in the reviewed sources.
- Building code
- Washington has an official Building Codes page; the reviewed page text did not expose the underlying adopted-code list because the public page content was not fully rendered in accessible text.
§ 03
Application process
Application → plan check → issuance → inspection → final
- 01 Start with the city Planning and Zoning Applications and Permits page to determine the required city filing.
- 02 Review the Building Codes page to confirm applicable code adoption.
- 03 Contact City Hall or the responsible department to obtain the current application path, submittal list, and fee schedule, since the reviewed public pages were thin.
- 04 Submit the required permit materials and respond to review comments.
- 05 Obtain permit approval before starting work and coordinate inspections with the city.
Source: City of Washington Planning and Zoning / Building Code Administration ↗
§ 04
Required inspections
Scheduling and sequence
How to schedule
- (636) 390-1000 (phone)
- Inspection hours
- City Hall: 8:00 AM to 4:30 PM
§ 05
Frequently asked
Common questions about Washington permits
01 Do I need a building permit in Washington, MO? ▸
Washington maintains official planning permit and building code pages; the reviewed public page text did not expose a detailed trigger list.
02 How do I apply for a building permit in Washington, MO? ▸
To apply for a building permit in Washington, MO, follow these steps: 1. Start with the city Planning and Zoning Applications and Permits page to determine the required city filing. 2. Review the Building Codes page to confirm applicable code adoption. 3. Contact City Hall or the responsible department to obtain the current application path, submittal list, and fee schedule, since the reviewed public pages were thin. 4. Submit the required permit materials and respond to review comments. 5. Obtain permit approval before starting work and coordinate inspections with the city.
03 How do I schedule a building inspection in Washington, MO? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Washington, MO via: (636) 390-1000.
last verified April 2026
source City of Washington Planning and Zoning / Building Code Administration ↗
entry id permits/missouri/franklin/washington
Educational reference. Permit rules and fees change — confirm current requirements directly with City of Washington Planning and Zoning / Building Code Administration before applying. Jaspector is not legal advice.