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Walls over a certain height typically require an engineered plan and a building permit.
With a growing population of around 276,238 residents, Washington County maintains a relatively streamlined permitting process compared to major urban hubs. Processing typically takes 1 to 3 weeks.
Code Compliance & Inspections
Because of severe winter weather in Minnesota, any exterior structures or footings must be set below the local frost line to prevent shifting, as mandated by the Minnesota State Building Code.
Concurrent Permits & HOAs
For Washington County residents, we highly recommend reviewing your neighborhood HOA covenants before paying any municipal fees. Often, homeowners associations maintain stricter rules regarding materials and dimensions for your Retaining Wall than the county itself.
Zoning & Cost Factors
Minnesota incorporates strong state environmental reviews into local zoning, particularly regarding lakeshore development and septic system placements. Fortunately, Minnesota maintains relatively builder-friendly regulations, keeping base permit fees competitive.
Estimated municipal base fee: $85–$130
This is a planning estimate only — actual fees in Washington County depend on your project valuation. A typical breakdown looks roughly like:
- Application Fee: ~$30
- Plan Review Fee: ~$20
- Inspection Fee: ~$50
Always confirm exact fees with your local building department before applying.
Cost Comparison: Washington County vs State Average
State Average Base Fee
Washington County Estimated Base Fee
*Chart represents median application base fees and does not include project valuation percentages.
How to Apply in Washington County
Modernized jurisdictions like Washington County generally manage their building departments through an Online e-Permitting Portal. This means you or your contractor will need to submit digital blueprints (usually in PDF format) and pay the application fees electronically. Make sure your contractor includes their Minnesota Department of Labor and Industry license number in the digital application to avoid automatic rejections.
Note on Site Plans: Regardless of submission method, nearly all Retaining Wall applications require a detailed site plan. This document must clearly show property lines, existing structures, easements, and the exact dimensions of your proposed work to prove compliance with Minnesota zoning ordinances.
Washington County Building Department
Office: Washington County Zoning
Address: 11660 Myeron Rd N, Stillwater, MN 55082, USA
Phone: (651) 430-4300
Source: official Washington County government records. Hours and procedures can change — call ahead to confirm.
Retaining Wall Requirements in Washington County
Typical Submittal Package
When applying for a Retaining Wall permit, you or your contractor will generally need to submit the following documentation for the city's review:
- Structural engineering drawings
- Site plan showing property lines
- Drainage and grading plan
- Soil or geotechnical report (if required)
Standard Ordinances & Processing Time
While local rules in Washington County may vary slightly from municipality to municipality, standard US zoning dictates that: Retaining walls over 3 to 4 feet in height (measured from the bottom of the footing) generally require a building permit and stamped engineering plans to ensure stability.
Estimated processing time in Washington County: 2 to 4 weeks.
Frequently Asked Questions
What are the specific penalties for unpermitted Retaining Wall work in urban Washington County?
Building without authorization is considered a code violation. The local government can issue a Stop Work Order, forcing you to halt construction immediately. You may be subject to retroactive permit fees (often double the original cost), daily fines, or even a mandate to tear down the unpermitted work at your own expense.
Can a homeowner pull their own Retaining Wall permit in Minnesota?
Yes. Minnesota generally allows property owners to act as their own general contractor under an Owner-Builder exemption. If you take this route, you assume full legal and financial liability and must ensure all work complies with the Minnesota State Building Code.
How long does the permit stay valid?
Once issued, most building permits in this jurisdiction remain valid for 180 days (6 months). If no inspections are scheduled or no visible progress is made within that timeframe, the permit will expire and you will have to pay renewal fees.
How much does a Retaining Wall permit cost in Washington County?
As a planning estimate, base municipal fees for a Retaining Wall permit in Washington County typically fall between $85 and $130. The final amount depends on your project valuation, so confirm the exact figure with the local building department.
How long does it take to get a Retaining Wall permit in Washington County?
Based on the size of Washington County, the typical processing time is 2 to 4 weeks. Times vary with the season and the building department application volume.
Where do I apply for a Retaining Wall permit in Washington County?
You can apply through the Washington County Zoning or online via the county permit portal. For questions, call (651) 430-4300.
Municipal Glossary & Local Jurisdiction
Navigating local building departments in Washington County, Minnesota can be confusing. Here are essential terms you should know before applying for your Retaining Wall permit:
- Setback: The mandatory minimum distance between your structure and the property line. Violating setbacks is the most common reason for permit denial.
- Easement: A designated portion of your land where the city or utility companies have the legal right to access (e.g., for power lines or sewage). You generally cannot build over an easement.
- Zoning Ordinance: Local laws dictating how a property can be used and what types of structures are legally permissible in your specific neighborhood.
- Right-of-Way (ROW): Publicly owned land, typically sidewalks or streets. Projects like driveway paving or sewer lines often require a specific ROW permit.
- Stop-Work Order: A legal notice issued by a municipal inspector halting all construction due to code violations or unpermitted work.
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Nearby Jurisdictions in Minnesota
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