California / Santa Clara County
Shed Permit in Santa Clara County, California
It depends
Sometimes, depending on the project
Before building a detached storage shed, playhouse or similar one-story accessory structure larger than 120 square feet of floor area, or larger than 144 square feet if it shelters livestock. Any shed with electrical, plumbing or mechanical work in it still needs the matching trade permit.
By Mario Bailey, verified against official sources
Quick answer
The county's adopted version of California Residential Code Section R105.2 exempts a one-story detached accessory structure used as a tool and storage shed, playhouse or similar use when the floor area does not exceed 120 square feet, and the county added an exception raising the limit to 144 square feet for structures used to shelter livestock. The same county amendment warns that an exempt shed may still be regulated by Part 7, the California Wildland-Urban Interface Code, which matters across the large fire hazard severity zone areas of the unincorporated county. A shed that is exempt from a building permit is not exempt from zoning: Zoning Ordinance Section 4.20.020 limits detached accessory buildings in urban residential districts to 12 feet in height and one story, requires them in the rear half of the lot, and requires at least 6 feet of separation from any dwelling.
Typical threshold: floor area of a one-story detached tool or storage shed.
Who is pulling this permit?
Apply yourself
Hire it out
Before you sign, ask the contractor:
- Who pulls the permit, you or me, and is the permit fee included in the bid?
- Which inspections will this job need, and who meets the inspector on site?
- Is your contractor license active in this locality, and under which business name?
When a permit is usually needed
Before building a detached storage shed, playhouse or similar one-story accessory structure larger than 120 square feet of floor area, or larger than 144 square feet if it shelters livestock. Any shed with electrical, plumbing or mechanical work in it still needs the matching trade permit.
What a shed permit costs in Santa Clara County
How Santa Clara County compares in California
| Jurisdiction | Permit needed? | Threshold |
|---|---|---|
| Alameda County | It depends | Floor area of a one-story detached tool or storage shed accessory to a house, at which the building permit exemption stops |
| Contra Costa County | It depends | floor area of a one-story detached accessory structure |
| Fresno County | It depends | One-story detached accessory structures used as tool and storage sheds, playhouses and similar uses are exempt from a building permit when the floor area is not greater than 120 square feet |
| Los Angeles | It depends | one-story shed under 120 sq ft and under 12 ft in height with no electrical or plumbing does not require a permit |
| Los Angeles County | It depends | gross floor area of a one-story detached accessory building; the exemption also requires the height not to exceed 12 feet and the maximum roof projection not to exceed 24 inches |
| Orange County | It depends | One-story detached accessory buildings used as tool and storage sheds, play houses and similar uses are exempt from a building permit only when the floor area does not exceed 120 square feet and the structure sits at least 3 feet from the property line and 6 feet from other buildings on the same property |
| Santa Clara Countythis page | It depends | floor area of a one-story detached tool or storage shed |
Closest shed permit thresholds outside California
Jurisdictions we cover whose limit sits nearest Santa Clara County's 120 sq ft.
- Aurora, Colorado, shed floor area at which a building permit is required
- Baltimore County, Maryland, accessory structure floor area
- Boston, Massachusetts, one-story detached accessory sheds used for tools or storage are exempt if floor area does not exceed 120 sq ft
- Chandler, Arizona, One-story detached accessory structures (storage sheds, open-air ramadas) with floor area of 120 sq ft or less and height of 7 ft or less (up to 9 ft with 2 additional feet of setback per additional foot of height) are exempt if not connected to any electrical, gas, or water utility; exceeding either limit or connecting a utility requires a building permit.
How to apply in Santa Clara 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:
- 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).
- 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. Santa Clara County Department of Planning and Development, Development Services (Building Inspection Office) sets the exact checklist for Santa Clara County.
Where to apply in Santa Clara County:
Santa Clara County Department of Planning and Development, Development Services (Building Inspection Office)
- County Government Center, East Wing, 7th Floor, 70 West Hedding Street, San Jose, CA 95110
- Phone: 408-299-5700
Inspections and closing out your permit
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.
- Foundation or anchor inspection: 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).
- Frame inspection: 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).
- Final inspection: 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).
- 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 Santa Clara County permit portal or by phone at 408-299-5700.
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.
Your Shed Permit checklist for Santa Clara County
- Confirm the requirement. Sometimes, depending on the project. Typical threshold: floor area of a one-story detached tool or storage shed. Usually needed: Before building a detached storage shed, playhouse or similar one-story accessory structure larger than 120 square feet of floor area, or larger than 144 square feet if it shelters livestock. Any shed with electrical, plumbing or mechanical work in it still needs the matching trade permit.
- Budget the fee. No shed-specific flat fee is published. A shed that needs a permit is charged off the Building Section Valuation-Based Fee Schedule effective July 1, 2025 (from $249.00 building permit fee plus $186.00 residential plan check at $1.00 to $2,000.00 of valuation), and the county's Building Section Services Fee Schedule sets the minimum valuations used for accessory structures, for example Garage, Rough at $67.20 per square foot and Stable Or Barn, Rough at $33.60 per square foot. Adopted by the Board of Supervisors on January 23, 2024.
- Apply. 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. Start at the Santa Clara County permit portal.
- Keep the office details handy. Santa Clara County Department of Planning and Development, Development Services (Building Inspection Office). Phone: 408-299-5700. Address: County Government Center, East Wing, 7th Floor, 70 West Hedding Street, San Jose, CA 95110.
- Plan for inspections. 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.
Compiled from the official sources on this page. Last checked .
Frequently asked questions
- Do you need a shed permit in Santa Clara County?
- The county's adopted version of California Residential Code Section R105.2 exempts a one-story detached accessory structure used as a tool and storage shed, playhouse or similar use when the floor area does not exceed 120 square feet, and the county added an exception raising the limit to 144 square feet for structures used to shelter livestock. The same county amendment warns that an exempt shed may still be regulated by Part 7, the California Wildland-Urban Interface Code, which matters across the large fire hazard severity zone areas of the unincorporated county. A shed that is exempt from a building permit is not exempt from zoning: Zoning Ordinance Section 4.20.020 limits detached accessory buildings in urban residential districts to 12 feet in height and one story, requires them in the rear half of the lot, and requires at least 6 feet of separation from any dwelling. Floor area of a one-story detached tool or storage shed. Always confirm with the office before starting.
- How much does a shed permit cost in Santa Clara County?
- No shed-specific flat fee is published. A shed that needs a permit is charged off the Building Section Valuation-Based Fee Schedule effective July 1, 2025 (from $249.00 building permit fee plus $186.00 residential plan check at $1.00 to $2,000.00 of valuation), and the county's Building Section Services Fee Schedule sets the minimum valuations used for accessory structures, for example Garage, Rough at $67.20 per square foot and Stable Or Barn, Rough at $33.60 per square foot. Adopted by the Board of Supervisors on January 23, 2024. Contact the office for current amounts.
- Where do you apply for a shed permit in Santa Clara County?
- You can apply through the Santa Clara County permit portal or contact the Santa Clara County Department of Planning and Development, Development Services (Building Inspection Office) directly. The links are listed on this page.
- Can a homeowner pull a shed permit themselves in Santa Clara County?
- Under California law (Business & Professions Code 7044(a)-(b); Business & Professions Code 7031.5): California exempts an owner-builder from contractor licensing when the owner personally performs the work, or uses only wage employees, on their own property and does not intend the improvements for sale. A homeowner may also directly hire licensed trade contractors for up to four single-family residences a year, or improve their own principal residence without a general contractor's license, as long as they have actually lived there for the 12 months before the work is finished. Selling a self-built structure within one year of completion creates a rebuttable presumption that it was built for sale, which defeats the exemption, and selling five or more structures within a year makes that presumption conclusive. Separately, every city or county that requires a building permit must also require the applicant to file a signed statement giving their contractor license number or the basis of their claimed exemption; a false or missing statement carries a $500 civil penalty. Confirm how Santa Clara County applies this before you apply.
From the Library
What else needs a permit in Santa Clara County
Every other permit type we have verified for this jurisdiction, with the rule that applies here.
| Project | Permit needed? | Threshold | Typical fee |
|---|---|---|---|
| Deck Permit | It depends | deck area, paired with a 30-inch height limit, no attachment to the dwelling, and no required exit door served | Decks are charged by valuation, not by a flat fee. |
| Electrical Permit | Permit required | Not specified | Under the county's Building Section Services Fee Schedule effective July 1, 2025 the... |
| Fence Permit | It depends | fence height at which the County Residential Code permit exemption stops applying | No fence-specific permit fee is published. |
| HVAC Permit | Permit required | Not specified | Under the county's Building Section Services Fee Schedule effective July 1, 2025 the... |
| Patio Permit | It depends | Not specified | No patio-specific flat fee is published. |
| Plumbing Permit | Permit required | Not specified | Under the county's Building Section Services Fee Schedule effective July 1, 2025 the... |
| Pool Permit | It depends | depth of a prefabricated swimming pool | The county charges single-family residential swimming pools as flat fees. |
| Roof Replacement Permit | Permit required | Not specified | Reroof up to 5,000 square feet is a flat fee under the county's Building Section... |
| Solar Permit | Permit required | Not specified | Solar is charged as an electrical system only permit. |
Shed Permit in other California localities
Everything above, sourced
Code references
National and state model-code sections the general guidance on this page is drawn from. They are not Santa Clara County documents; the office above sets the local rules.
- 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
- 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
Verified by a person against the sources above on , not confirmed with Santa Clara County Department of Planning and Development, Development Services (Building Inspection Office). Rules change; confirm before you build. How we verify.
Last checked: Report an error on this page
Compare Shed Permit requirements across California localities
Permit office
Santa Clara County Department of Planning and Development, Development Services (Building Inspection Office)
408-299-5700Permit portal