Washington / Clark County

Shed Permit in Clark County, Washington

It depends

Sometimes, depending on the project

Sheds over 200 sq ft; any size shed in mobile home parks or multi-family zones

Confirmed on official page Verified

Issued byClark County Community Development, Building Safety

By Mario Bailey, verified against official sources

Quick answer

Garden sheds and similar accessory structures of 200 square feet or less do not require a building permit in unincorporated Clark County but must meet setback and easement requirements. Sheds larger than 200 square feet require a building permit, and any size shed built in a mobile home park or multi-family zone requires one. County standards also allow one qualifying shed per property in side or rear setbacks of single-family zones when it is under 12 feet tall, under 200 square feet, and has no utilities connected.

Typical threshold: Sheds over 200 square feet require a building permit; sheds of 200 square feet or less are exempt if they meet setbacks and easements, but any size shed in a mobile home park or multi-family zone requires a permit.

Diagram of the 200 sq ft footprint area threshold for a shed permit in Clark County, Washington
Threshold illustrated: 200 sq ft. Whether Clark County requires a permit above or below this measurement is stated in the verdict on this page, verified 2026-07-19.

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When a permit is usually needed

Sheds over 200 sq ft; any size shed in mobile home parks or multi-family zones

What a shed permit costs in Clark County

Line item
shed permitBy formulaFees are established by county ordinance and calculated automatically during the application process; Clark County Code Title 6 governs application and service fees.
Fee schedule in forceOfficial scheduleRead . Fees are the jurisdiction’s; we do not mark them up or estimate them.

How Clark County compares in Washington

Across the Washington jurisdictions we have verified, the same threshold runs from 120 to 200, so a project that is exempt here may still need a permit one county over.

JurisdictionPermit needed?Threshold
BellevueIt dependsdetached storage sheds playhouses or gazebos with a floor area of 200 square feet or less do not require a building permit; structures over 200 square feet require a permit
Clark Countythis pageIt dependsSheds over 200 square feet require a building permit; sheds of 200 square feet or less are exempt if they meet setbacks and easements, but any size shed in a mobile home park or multi-family zone requires a permit.
King CountyIt dependsstorage sheds 200 sq ft or less as accessory to a residential house do not require a building permit in unincorporated King County; sheds over 200 sq ft require a permit
Pierce CountyIt dependsOne-story detached accessory structure used as an unheated tool or storage shed, playhouse, or similar use is exempt if its floor area is 200 sq ft or less and it is at least 3 feet from a property line; larger or closer structures require a building permit.
SeattleIt dependsone-story detached storage sheds with a roof footprint of 120 square feet or less on a slab foundation and not in an environmentally critical area do not require a permit
Snohomish CountyIt dependsone-story detached accessory structure not used for human habitation (tool/storage shed, playhouse) exempt if floor area is 200 sq ft or less and sidewalls 9 ft or less inside the Urban Growth Area (UGA), or 400 sq ft or less and sidewalls 11 ft or less outside the UGA; larger structures require a building permit
TacomaIt dependsone-story detached accessory structures with a floor area of 200 square feet or less do not require a building permit; structures over 200 square feet require a permit

Closest shed permit thresholds outside Washington

Jurisdictions we cover whose limit sits nearest Clark County's 200 sq ft.

  • Austin, Texas, one-story detached accessory structures used as tool or storage sheds with floor area no greater than 200 sq ft and no more than 15 ft in height and no plumbing and not in a floodplain are exempt
  • Baton Rouge, Louisiana, floor area of a detached accessory structure
  • Clark County, Nevada, sheds over 200 sq ft require a building permit; storage sheds 200 sq ft or under may be exempt under Building Administrative Code Section 22.02.190
  • Columbus, Ohio, shed under 200 sq ft does not require a permit; shed 200 sq ft or larger requires a permit and plan review

How to apply in Clark County

In Clark County, 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 Clark County, 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 Clark County, 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. Clark County Community Development, Building Safety sets the exact checklist for Clark County.

Where to apply in Clark County:

Clark County Community Development, Building Safety

Shed Permit in Clark County compared with nearby Washington localities

LocalityPermit needed?ThresholdWhat each Washington schedule saysVerified
Clark CountyIt dependsSheds over 200 square feet require a building permit; sheds of 200 square feet or less are exempt if they meet setbacks and easements, but any size shed in a mobile home park or multi-family zone requires a permit.Fees are established by county ordinance and calculated automatically during the...
BellevueIt dependsdetached storage sheds playhouses or gazebos with a floor area of 200 square feet or less do not require a building permit; structures over 200 square feet require a permitNo separate shed line item
King CountyIt dependsstorage sheds 200 sq ft or less as accessory to a residential house do not require a building permit in unincorporated King County; sheds over 200 sq ft require a permitMost permit fees increased approximately 14% on January 1 2026 plus a $126 application...
Pierce CountyIt dependsOne-story detached accessory structure used as an unheated tool or storage shed, playhouse, or similar use is exempt if its floor area is 200 sq ft or less and it is at least 3 feet from a property line; larger or closer structures require a building permit.Building permit fee follows PCC Table 17C.10-1-B (valuation based): $69.00 for...
SeattleIt dependsone-story detached storage sheds with a roof footprint of 120 square feet or less on a slab foundation and not in an environmentally critical area do not require a permitSheds of 120 square feet or less that are single story, unattached, and storage-only...

Inspections and closing out your permit

In Clark County, 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 Clark County: 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 Clark County: 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 Clark County: 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 Clark County: 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 Clark County permit portal or by phone at 564.397.2375.

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.

Frequently asked questions

Do you need a shed permit in Clark County?
Garden sheds and similar accessory structures of 200 square feet or less do not require a building permit in unincorporated Clark County but must meet setback and easement requirements. Sheds larger than 200 square feet require a building permit, and any size shed built in a mobile home park or multi-family zone requires one. County standards also allow one qualifying shed per property in side or rear setbacks of single-family zones when it is under 12 feet tall, under 200 square feet, and has no utilities connected. Sheds over 200 square feet require a building permit; sheds of 200 square feet or less are exempt if they meet setbacks and easements, but any size shed in a mobile home park or multi-family zone requires a permit. Always confirm with the office before starting.
How much does a shed permit cost in Clark County?
Fees are established by county ordinance and calculated automatically during the application process; Clark County Code Title 6 governs application and service fees. See the official fee schedule for current amounts.
Where do you apply for a shed permit in Clark County?
You can apply through the Clark County permit portal or contact the Clark County Community Development, Building Safety directly. The links are listed on this page.
Can a homeowner pull a shed permit themselves in Clark County?
Under Washington law (RCW 18.27.090(11), (12); RCW 19.28.261(1); RCW 18.106.150(1)): Washington lets homeowners do their own construction work, including the licensed trades, on property they own. RCW 18.27.090(12) exempts any person working on his or her own property from contractor registration, but the exemption does not apply if you do contractor type work for the purpose of selling, demolishing, or leasing the property, and the separate owner exemption in RCW 18.27.090(11) is lost if you sell or lease improved property owned less than 12 months. For electrical work, RCW 19.28.261 lets you wire your own residence, farm, or place of business without an electrician license, unless the work is on construction of a new building intended for rent, sale, or lease, or on property offered for sale within 12 months after you obtained it. RCW 18.106.150(1) gives the same kind of exemption for plumbing work at your own residence, farm, or place of business. These exemptions waive the license, not the permit: an owner doing electrical work still buys an L&I electrical work permit and passes inspection (WAC 296-46B-901), and building and plumbing permits still come from your local building department. Confirm how Clark County applies this before you apply.

From the Library

What else needs a permit in Clark County

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

ProjectPermit needed?ThresholdTypical fee
Deck PermitIt dependsExempt only if the deck does not exceed 200 square feet, is not more than 30 inches above grade at any point, is not attached to a dwelling, does not serve a required exit door, and is not used for a hot tub or pool; all other decks require a permit.Fees are established by county ordinance and calculated automatically during the...
Electrical PermitPermit requiredElectrical work in Washington requires a permit and inspection, with a few exceptions listed in chapter 296-46B-901 WAC; in unincorporated Clark County electrical permits are issued by state Labor and Industries, not the county.No county fee
Fence PermitIt dependsFences seven feet or less in height do not require a permit; fences over 7 feet in height require a Fence/Retaining Wall (FRT) permit.Fees are established by county ordinance and calculated automatically during the...
HVAC PermitPermit requiredMechanical permits cover installation of heating and cooling equipment such as furnaces, heat pumps, A/C units, ductless mini splits and gas piping; for additions and new construction this work is included in the ADS or NHC permit.Application rev 1.30.23: $94 issuance plus per-appliance fees including furnace or heat...
Patio PermitIt dependsPatio and concrete slabs on the ground grade are exempt from permit but may not be built on easements; adding a patio cover or enclosing a covered patio requires a building permit under the ADS permit type.Fees are established by county ordinance and calculated automatically during the...
Plumbing PermitPermit requiredA plumbing permit is required for installation of any plumbing fixtures, including water heaters, toilets and sinks.Application rev 9.2.25: $94 issuance plus per-item fees including plumbing fixture/trap...
Pool PermitIt dependsA permit is required for any structure intended for swimming or recreational bathing that contains water over 24 inches deep, including in-ground, aboveground and on-ground pools, hot tubs and spas.Fees are established by county ordinance and calculated automatically during the...
Roof Replacement PermitPermit requiredRe-roofing permits are required for all buildings in Clark County; a separate permit may be required if structural work such as replacing roof sheathing is necessary.County handout rev 7.16.18: residential re-roofing permit $220 plus $94 issuance and...
Solar PermitPermit requiredSeparate SOL permits are required for ground mounted units or panels mounted on existing buildings; in new construction the solar panels are included in the NHC or ADS permit.Fees for separate SOL permits are based on construction value

Shed Permit in other Washington localities

Everything above, sourced

Code references

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

How this shed permit page for Clark County was verified. 3 official sources: clark.wa.gov, clark.wa.gov, clark.wa.gov; fee schedule: official document. Last checked by Mario Bailey, not confirmed with Clark County Community Development, Building Safety. Rules change; confirm before you build. How we verify.

Last checked: Report an error on this page

Compare Shed Permit requirements across Washington localities

Shed permit rules nationwide

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