Iowa / Des Moines

Shed Permit in Des Moines, Iowa

It depends

Sometimes, depending on the project

Before building a detached accessory building over 120 sq ft, and before pouring a concrete slab or footings for a shed.

Confirmed on official page Verified

Issued byCity of Des Moines Development Services Department, Permit and Development Center

By Mario Bailey, verified against official sources

Quick answer

Municipal Code Sec. 26-302(a)(1) exempts one-story detached accessory buildings used as tool or storage sheds, playhouses, pet shelters and similar uses up to 120 square feet of floor area, provided they meet planning and zoning rules. The city shed handout says a shed over 120 square feet needs a building permit and is treated as a new detached garage, and that a building permit is required for the concrete slab or footings, inspected before the pour. Zoning still governs exempt sheds: rear yard only, at least 5 feet from side and rear lot lines and 3 feet from the house.

Typical threshold: Floor area of a one-story detached storage shed, playhouse or similar accessory building.

Diagram of the 120 sq ft footprint area threshold for a shed permit in Des Moines, Iowa
Threshold illustrated: 120 sq ft. Whether Des Moines requires a permit above or below this measurement is stated in the verdict on this page, verified 2026-10-23.

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When a permit is usually needed

Before building a detached accessory building over 120 sq ft, and before pouring a concrete slab or footings for a shed.

What a shed permit costs in Des Moines

Line item
shed permitBy formula"New detached sheds and garages: $180.25" (City of Des Moines PDC Permit Fee Schedule, "New Fees 1-1-26").
Fee schedule in forceOfficial scheduleRead . Fees are the jurisdiction’s; we do not mark them up or estimate them.

How to apply in Des Moines

In Des Moines, a residential shed permit application, once the shed is large enough to require one, is a set of construction documents that show what will be built and prove it meets the adopted residential code. In practice that means a written permit application, a scaled site plan locating the shed and its distances to the property lines, and construction documents covering the shed's foundation or anchoring system and its framing.

What most shed permit applications include:

  • For Des Moines, a written permit application identifying the proposed work and describing the property by its address or legal description, filed with the building department before construction begins (IRC R105.3).
  • For Des Moines, a scaled site plan showing the shed's size and location and its dimensioned distances to all property lines so required setbacks can be verified before the permit is issued (IRC R106.2).
  • Construction documents showing the shed's foundation: freestanding accessory structures at or under the code's small-structure size and eave-height limits (600 square feet and a 10 foot eave height in the model code) are exempt from continuous footings but must still be shown supported on undisturbed soil or engineered fill and anchored to resist wind-induced uplift and overturning (IRC R403.1).
  • Where the shed does sit on a continuous foundation with a wood sill plate, anchor bolt or approved strap details tying the sill plate to the foundation (IRC R403.1.6).
  • Roof framing details showing the rafter-to-wall or truss-to-wall connections, since even a shed exempt from continuous footings must be anchored to resist wind-induced uplift and overturning (IRC R403.1; R802.11).

General submittal guidance from IRC R105.3 (permit application), R106.2 (site plan), R403.1 (footings and anchorage for accessory structures), and R403.1.6 (sill anchorage), 2021 IRC. Source. City of Des Moines Development Services Department, Permit and Development Center sets the exact checklist for Des Moines.

Where to apply in Des Moines:

City of Des Moines Development Services Department, Permit and Development Center

  • T.M. Franklin Cownie City Administration Building (City Hall), 1200 Locust St., Des Moines, IA 50309
  • Phone: 515-283-4200
  • Email: permits@dmgov.org

Inspections and closing out your permit

In Des Moines, a permitted shed is inspected in stages as it goes up: the foundation or the anchors that hold it down before they are covered, the framing before it is enclosed, and a final inspection once the shed is finished. Each stage checks the items that would be hidden or unsafe if skipped.

  1. Foundation or anchor inspection in Des Moines: called after any required footings, piers, or ground anchors are set and any forms or reinforcing steel are in place, but before concrete is placed, so the foundation or anchoring system can be verified before it is covered (IRC R109.1.1).
  2. Frame inspection in Des Moines: after the shed is framed, sheathed, and braced, the inspector checks the framing, bracing, fasteners, and the roof connections that resist wind uplift, before those elements are covered (IRC R109.1.4 frame inspection; R403.1 anchorage).
  3. Final inspection in Des Moines: made after the permitted work is complete and before the shed is used; work may not proceed past any inspection stage without the building official's approval (IRC R109.1.6 final inspection; R109.4 approval required).
  4. In Des Moines: for a pre-fabricated or kit shed, the manufacturer's installation instructions must be on site at the time of inspection so the inspector can confirm the anchoring and assembly match the design (IRC R106.1.2).

Schedule each inspection in advance and pass the final before you use the work or close the permit. Request inspections through the Des Moines permit portal or by phone at 515-283-4200.

Inspection sequence from IRC R109.1.1 (foundation inspection), R109.1.4 (frame inspection), R109.1.6 (final inspection), and R106.1.2 (manufacturer's instructions on site), 2021 IRC. Source. An open permit left un-inspected can surface later in a title search or home sale.

Permitting activity in Des Moines

In 2025, Des Moines authorized permits for 1,676 new residential housing units (221 single-family, 1,455 in multi-family buildings), valued at $410M, up from 618 the year before. That works out to about 7.9 permits per 1,000 residents.

Source: U.S. Census Bureau, Building Permits Survey, 2025 annual data · population 212,082.

Frequently asked questions

Do you need a shed permit in Des Moines?
Municipal Code Sec. 26-302(a)(1) exempts one-story detached accessory buildings used as tool or storage sheds, playhouses, pet shelters and similar uses up to 120 square feet of floor area, provided they meet planning and zoning rules. The city shed handout says a shed over 120 square feet needs a building permit and is treated as a new detached garage, and that a building permit is required for the concrete slab or footings, inspected before the pour. Zoning still governs exempt sheds: rear yard only, at least 5 feet from side and rear lot lines and 3 feet from the house. Floor area of a one-story detached storage shed, playhouse or similar accessory building. Always confirm with the office before starting.
How much does a shed permit cost in Des Moines?
"New detached sheds and garages: $180.25" (City of Des Moines PDC Permit Fee Schedule, "New Fees 1-1-26"). See the official fee schedule for current amounts.
Where do you apply for a shed permit in Des Moines?
You can apply through the Des Moines permit portal or contact the City of Des Moines Development Services Department, Permit and Development Center directly. The links are listed on this page.
Can a homeowner pull a shed permit themselves in Des Moines?
Under Iowa law (Iowa Code 103.22(7); 105.11(3); 91C.1(1)(a); 103A.19(1)): Yes, with limits. The electrical licensing law does not stop an owner from doing electrical work on their own principal residence, or require a license, if the home is an existing dwelling rather than new construction, is no larger than a single-family dwelling, is not an attached apartment, and qualifies for the homestead tax credit (103.22(7)). The plumbing and mechanical licensing law has the same owner exemption for an existing single-family principal residence or farm property, also tied to the homestead credit (105.11(3)). A person working on their own property is not a contractor and need not register (91C.1). Building permit applications under the state code must be signed by the owner or the owner's authorized agent (103A.19(1)); whether an owner may pull a local building permit is otherwise set by the city or county. No state owner-builder disclosure form or resale restriction was found. Confirm how Des Moines applies this before you apply.

From the Library

What else needs a permit in Des Moines

Every other permit type we have verified for this jurisdiction, with the rule that applies here.

ProjectPermit needed?ThresholdTypical fee
Bathroom Remodel PermitIt dependsWhen the remodel removes and replaces finishes on an entire wall or ceiling, alters..."Renovations to dwellings: $154.50" for the building permit, plus $77.25 each for...
Deck PermitPermit requiredAny size...retaining walls, swimming pools, hot tubs, and other accessory structures: $77.25"...
Electrical PermitPermit requiredAny size...alterations and additions to existing dwellings and accessory structures:...
EV Charger PermitPermit requiredAny size...alterations and additions to existing dwellings and accessory structures: $77.25"...
Fence PermitIt dependsHeight above which a fence needs a permit for fences other than chain-link; chain-link fences need one above 4 feet...retaining walls, swimming pools, hot tubs, and other accessory structures: $77.25"...
HVAC PermitPermit requiredAny size...alterations and additions to existing dwellings and accessory structures:...
Plumbing PermitPermit requiredAny size...alterations and additions to existing dwellings and accessory structures:...
Pool PermitPermit requiredAny size...retaining walls, swimming pools, hot tubs, and other accessory structures: $77.25"...
Roof Replacement PermitIt dependsToday: only when roof sheathing, decking or framing (rafters) is repaired or replaced...residential building permit lines (for example "Renovations to dwellings: $154.50")...
Solar PermitPermit requiredAny size...alterations and additions to existing dwellings and accessory structures: $77.25"...
Water Heater PermitPermit requiredAny size...alterations and additions to existing dwellings and accessory structures: $77.25"...

Everything above, sourced

Code references

National and state model-code sections the general guidance on this page is drawn from. They are not Des Moines documents; the office above sets the local rules.

How this shed permit page for Des Moines was verified. 2 official sources: dsm.city, councildocs.dmgov.org; fee schedule: official document. Last checked by Mario Bailey, not confirmed with City of Des Moines Development Services Department, Permit and Development Center. Rules change; confirm before you build. How we verify.

Last checked: Report an error on this page

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