Los Altos Building Department | Permits, Inspections & Official Contact

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If you are planning any kind of construction, renovation, addition, deck, fence, roof replacement, ADU, or other building work in the City of Los Altos, California, you will need a building permit from the Los Altos Building Division.

Many homeowners and contractors search for clear answers about how to apply for a building permit in Los Altos, what the fees are in 2026, and how to check the status of their application quickly.

This guide explains the entire process in simple language so you can understand what to do, what to expect, and how to avoid common problems that slow things down.

Whether you are a homeowner doing your own work or a contractor handling a larger job, the steps are the same and the goal is to get your permit approved smoothly and on time.

Los Altos Building Department Contact Information 2026

  • Address: 1 N San Antonio Road, Los Altos, CA 94022
  • Phone: (650) 947-2752
  • Email: bldpermit@losaltosca.gov
  • Hours: Monday–Friday, 8:00 AM – 5:00 PM

Official Page: Los Altos Building Division

1 N San Antonio Road, Los Altos, CA 94022

Official Portal: Los Altos eTRAKiT Online Permitting Portal

  1. Go to the eTRAKiT portal (public search available).
  2. Search by property address or permit number.
  3. View the current status, approved plans, fees paid, and inspection history.

How to Apply for Los Altos Building Permits 2026

Here is the clear step-by-step process that most people follow to get their permit approved as smoothly as possible.

  1. Go to the eTRAKiT online permitting portal and create or log into your account.
  2. Start a new application for simple residential permits (re-roofs, water heaters, certain electrical/mechanical) or prepare electronic submittal for others.
  3. For most permits, email the completed application and all required documents to bldpermit@losaltosca.gov.
  4. Upload detailed drawings, site plans, specifications, Title 24 energy calculations, and supporting documents.
  5. Pay the required plan review fees once notified (via the portal or instructions provided).
  6. Respond promptly to any requests for additional information or corrections during plan review.
  7. Once approved, display the permit card at the job site before any work begins.
  8. Schedule your inspections through the portal or by calling the department.

Los Altos Building Permit Fees 2026

  • Official Fee Schedule FY 2025-26: Download Current Development Services Fee Schedule
  • Fees are based on the estimated valuation of the project using a minimum valuation of $576.97 per square foot for new residential and commercial construction.
  • Building permit fees follow a tiered structure (e.g., $1–$3,000 = $245.73; higher tiers add per-$1,000 charges).
  • Plan review fees are typically 135% of the building permit fee; energy (Title 24) plan check is 25%.
  • Separate fees apply for electrical, mechanical, plumbing permits, solar, ADUs, re-inspections, and after-hours inspections.
  • Work started without a permit can result in double fees plus possible fines or a Stop Work Order.

Required Documents Checklist

  • Completed building permit application
  • Detailed architectural and structural drawings
  • Site plan showing existing structures and proposed work
  • Title 24 energy calculations and green building documentation
  • Proof of contractor license and insurance
  • Owner-Builder Affidavit if you are doing the work yourself
  • Any required trade permit applications

How to Schedule Inspections in Los Altos

Schedule inspections through the eTRAKiT portal or by calling the Building Division. Have your approved plans and the permit card ready when the inspector arrives. Re-inspection fees may apply for failed or missed inspections.

Contractor Registration & Owner-Builder

Contractors must hold valid California licenses. Homeowners can apply as owner-builders but take full responsibility for code compliance and job safety. Contractor accounts in eTRAKiT require registration with the Building Division.

Local Insider Tips That Really Help

  • Use the eTRAKiT portal for simple residential permits like re-roofs, water heaters, and certain electrical/mechanical work.
  • Submit complete electronic plans and documents the first time to avoid delays in plan review.
  • Email submissions to bldpermit@losaltosca.gov are processed within 2–4 business days.
  • Check the latest FY 2025-26 fee schedule before submitting to avoid unexpected costs.
  • Review the 2025 California Building Codes, as the city transitioned from 2022 codes in late 2025.

Frequently Asked Questions

How do I search for existing building permits in Los Altos?

Use the public search function in the eTRAKiT online permitting portal by property address or permit number.

How to apply for a Los Altos building permit?

Use the eTRAKiT portal for simple permits or email the completed application and documents to bldpermit@losaltosca.gov for others. Pay plan review fees once notified.

What are the Los Altos building permit fees in 2026?

Fees are based on the estimated valuation of the project (minimum $576.97 per sq ft for new construction). Tiered rates apply plus plan review (135%), energy checks, and trade permits. Download the official FY 2025-26 schedule.

Can I pull my own permit as an owner-builder in Los Altos?

Yes. You can apply as an owner-builder, but you must take full responsibility for code compliance and job safety.

How long does it take to get a building permit in Los Altos?

Simple online permits can be issued quickly. Electronic plan submittals are processed in 2–4 business days, with full review times depending on project complexity.

Official Resources

Updated April 2026 using only official City of Los Altos sources. Use the eTRAKiT portal for simple permits and email for full electronic submittals.

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