City Of San Carlos Building Department | Permits, Inspections & Official Contact

Planning to build a new home, add a garage, finish a basement, install a pool, replace a roof, or do any other construction or renovation project in the City of San Carlos, California? You will need a building permit from the City of San Carlos Building Division.

Most people get stuck on the same questions: “How do I actually apply?”, “What will it cost in 2026?”, “How long does approval really take?”, “What documents do they want?”, and “What are the hidden tricks that make this process go faster?” This long, practical guide answers all of those questions with real-world steps, insider tips, and the exact workflow that experienced contractors and smart homeowners use every day in San Carlos.

City of San Carlos Building Department Contact Details 2026

How to Apply for a Building Permit in San Carlos, California – Complete Micro Step-by-Step Guide (2026)

1. Confirm your project is inside the City of San Carlos limits and check zoning, historic, or other requirements.
2. Create or log into your account on the Accela Citizen Access Online Permit Portal.
3. Prepare detailed construction drawings, site plans, specifications, CalGreen checklist, structural calculations (if required), and supporting documents.
4. Determine if your project qualifies for over-the-counter, virtual plan review, or fast-track processing (many re-roofs, windows, siding, water heaters, and minor electrical/plumbing work do).
5. Submit the complete application online through the Accela portal with all attachments.
6. Pay the initial filing and plan review fees online (credit card service fees apply; cash/check in person avoids them).
7. Monitor your application status in the portal and respond quickly to any review comments or resubmittal requests.
8. Once approved, pay the remaining permit fees and print/post the permit visibly at the job site before starting work.
9. Schedule inspections through the Accela portal (inspector will contact you with a window).

City of San Carlos Building Permit Fees 2026 – What You’ll Actually Pay

Building permit fees are primarily based on the valuation of the project. Additional itemized fees apply for plan review, technology, subcontract trades (electrical, plumbing, mechanical), and other services. Re-inspection fees are charged for failed or missed inspections. The City publishes an annual fee schedule — always check the latest version before submitting.

Insider Tips & Tricks That Save Time and Money in San Carlos

• Use the Accela Citizen Access portal for submissions, payments, tracking, and scheduling — it is the fastest and most reliable method.
• Submit complete, clearly labeled plans the first time — incomplete applications cause the most common delays.
• Call (650) 593-3100 early in the morning for questions — staff is most responsive then.
• For smaller projects (re-roofing, windows, HVAC, water heater), ask about over-the-counter or virtual review options to skip full plan review.
• Pay with cash or check in person if possible to avoid credit card service fees.
• Schedule inspections well in advance through the portal — last-minute requests are difficult.
• Coordinate with Planning Division early if your project involves zoning changes, tree removal, or other reviews.

Frequently Asked Questions

Last reviewed: April 15, 2026