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§ 02
When a permit is required
Permit triggers and exempt work for Washington County
Building permits are locally administered in Washington County by cities and townships; county pages separately require permits for septic systems and other county-regulated activities
For township building work, use the local township or contracted building official's thresholds and Minnesota State Building Code exemptions
- Exempt For township building work, use the local township or contracted building official's thresholds and Minnesota State Building Code exemptions
Required documents
- Varies by local permit authority; septic work requires county forms and site-specific information
- Building code
- Minnesota State Building Code, locally administered by the applicable city or township
- Contractor requirements
- Minnesota state contractor and trade licensing rules apply; local offices typically require license information
§ 03
Application process
Application → plan check → issuance → inspection → final
- 01 Confirm the parcel is in a township or county-routed area and identify the exact local jurisdiction from the county city and township directory.
- 02 Route the building permit to the applicable township or shared building official listed below.
- 03 Separately check Washington County permit pages for septic, environmental, floodplain, or land-disturbance layers that may still apply.
- 04 Submit building plans and local forms to the township or contracted inspector, then complete county environmental permits where required.
§ 04
Required inspections
Scheduling and sequence
How to schedule
- Through the township or shared building inspection office; county septic inspections are scheduled through county staff (contact)
- Inspection hours
- Varies
Verify with the issuing local authority
§ 05
Frequently asked
Common questions about unincorporated Washington County permits
01 Do I need a building permit in unincorporated Washington County, MN? ▸
Building permits are locally administered in Washington County by cities and townships; county pages separately require permits for septic systems and other county-regulated activities
02 How do I apply for a building permit in unincorporated Washington County, MN? ▸
To apply for a building permit in unincorporated Washington County, MN, follow these steps: 1. Confirm the parcel is in a township or county-routed area and identify the exact local jurisdiction from the county city and township directory. 2. Route the building permit to the applicable township or shared building official listed below. 3. Separately check Washington County permit pages for septic, environmental, floodplain, or land-disturbance layers that may still apply. 4. Submit building plans and local forms to the township or contracted inspector, then complete county environmental permits where required.
03 What work is exempt from building permits in unincorporated Washington County, MN? ▸
Not all construction work requires a permit in unincorporated Washington County, MN. The following work is generally exempt: For township building work, use the local township or contracted building official's thresholds and Minnesota State Building Code exemptions. When in doubt, confirm with the local building department before starting work.
04 How do I schedule a building inspection in unincorporated Washington County, MN? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Washington County, MN via: Through the township or shared building inspection office; county septic inspections are scheduled through county staff.
last verified April 2026
source No single countywide building-permit office identified for all unincorporated land; building permits in Washington County route to the applicable city or township authority, while county permits still apply for septic and some environmental work ↗
entry id permits/minnesota/washington-mn/unincorporated
Educational reference. Permit rules and fees change — confirm current requirements directly with No single countywide building-permit office identified for all unincorporated land; building permits in Washington County route to the applicable city or township authority, while county permits still apply for septic and some environmental work before applying. Jaspector is not legal advice.