Retaining Wall Permit Requirements in Alexandria, MN

Alexandria is a mid-size city of 14,182 residents in Minnesota that follows the 2018 IRC. Alexandria's building department is stricter than the standard IRC on retaining wall work — expect fewer exemptions and more situations that require a permit. You're looking at roughly $70 – $350 in permit fees, plan on about About 2 weeks for approval — plus you can apply online.

Population: 14,182 Code: 2018 Verified: 2026-03-29 3 local rules

When you DON'T need a permit

Retaining walls 4 feet or less are exempt.

Source: Minnesota Building Code / 2018 IRC

When you DO need a permit

Retaining walls over 4 feet require a permit.

Estimated fee: $70 – $350

Typical timeline: About 2 weeks

Source: Minnesota Building Code / 2018 IRC

Retaining walls with surcharge require a permit.

Estimated fee: $70 – $350

Typical timeline: About 2 weeks

Source: Minnesota Building Code / 2018 IRC

Retaining Wall Permit Costs: Alexandria vs. Nearby

Alexandria comes in on the low side for Minnesota. You're looking at $70 – $350 here, compared to the state average of $162 – $669.

CityEstimated Fee
Alexandria $70 – $350
Minneapolis $150 – $600
Minneapolis $150 – $600

Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation.

Zoning & HOA Considerations

Zoning

Retaining walls near property lines may require zoning setback review. Walls that significantly change the grade of a property may need additional zoning approval.

HOA Communities

If you live in an HOA community: some HOAs restrict retaining wall materials and appearance. Visible retaining walls in front or side yards may need architectural review approval for material and design.

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Building Department Contact

NameAlexandria Building Department
Address704 Broadway, Alexandria, MN 56308
HoursMon-Fri 8am-5pm

Frequently Asked Questions

Estimated permit fees for Retaining Wall projects in Alexandria, MN range from $70 – $350. Fees vary based on project scope and valuation.

It depends on the specifics of your project. Some smaller Retaining Wall projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.

Working without a required permit in Alexandria can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.

Typical approval time for Retaining Wall permits in Alexandria is About 2 weeks. More complex projects may take longer if plan review is required.

If you live in an HOA community, you may need architectural review approval in addition to a building permit. HOA rules and city building codes are separate — you may need to satisfy both. Review your CC&Rs and submit to your HOA's architectural review committee before starting work.

Learn More About Retaining Wall Permits

Read our complete guide covering permit requirements, costs, common exemptions, and the application process.

Read Retaining Wall Guide →

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Disclaimer: This information was last verified on 2026-03-29. Building permit requirements may change. Zoning requirements (setbacks, lot coverage, height limits) are separate and vary by location. Always confirm with your local building and planning departments before starting your project. PermitMint provides general guidance, not legal advice.