Concrete Slab Permit Requirements in San Marino, CA
San Marino is a small affluent residential city in western LA County; ZIP 91108 is wholly within incorporated limits. The City of San Marino Community Development Department (Building & Safety Division) at City Hall (2200 Huntington Drive) handles all permits; LA County DPW does NOT serve San Marino. California 2025 Title 24 framework effective 2026-01-01: 2025 CBC, CRC, CEC, CMC, CPC, California Energy Code, CALGreen with CA amendments, plus San Marino City Code Chapter 25 local amendments. Online portal is CommunityCore: roofing, electrical, and plumbing permits can be issued online; remodels, additions, and other major work require hard-copy submission. Solar applications use SolarAPP+. Inspections Mon-Thu only (no Friday). Over-the-counter VCA plan check available Tuesdays 10-11 AM (first 5 sign-ins). 3 percent credit card processing fee effective 2025-07-13. Fire/EMS by City of San Marino Fire Department (NOT LA County Fire): (626) 300-0735, fire@sanmarinoca.gov. Strict zoning: FAR limits, historic preservation, Mills Act contracts available. Hillside parcels may fall within VHFHSZ per state mapping. CSLB licensing required for projects over $500. Mandatory solar PV on new homes per CA Energy Code 150.1(c)14.
By Joey, Founder · Last verified May 22, 2026 · How we research →
When you don’t need a Concrete Slab permit in San Marino
A small accessory concrete slab (walkway, patio pad, small equipment pad) of 200 square feet or less at grade is exempt from a building permit. Larger slabs that will support a future structure or are part of a building foundation fall under the building permit. Stormwater BMPs may apply per CALGreen and local LID requirements for impervious surfaces over a threshold.
Concrete Slab Permit Costs: San Marino vs. Nearby
| City | Estimated Fee |
|---|---|
| San Marino | N/A |
| Los Angeles | $75 – $600 |
| Sacramento County | $75 – $600 |
| San Diego | $75 – $600 |
Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation. See all San Marino permit costs →
Zoning & HOA Considerations
Concrete slabs contribute to impervious surface coverage. Austin, Portland, Seattle, and many coastal cities cap impervious cover at 40-65% of lot area. Sidewalks and curb cuts in the public right-of-way always require a separate Public Works encroachment permit.
If you live in an HOA community: hOAs may restrict new concrete installations, especially front-yard additions visible from the street. Changes to driveway width or walkway placement typically need ARC approval.
Estimated Project Timeline in San Marino
Here's a typical timeline for a concrete slab project in San Marino, CA:
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Frequently Asked Questions
Contact San Marino's building department for current Concrete Slab permit fee information. Fees typically vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Concrete Slab 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 San Marino 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.
Contact San Marino's building department for current processing times. Timelines vary based on project complexity and whether 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 Concrete Slab Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Concrete Slab Guide →