GetYourPermit

ADU permit process in Belmont, California

Last verified August 29, 2026

Prepared by GetYourPermit editorial teamReport an error

This guide includes the portions of the City permit process that passed our evidence review. Confirm project-specific requirements with the City before submitting.

Where to apply

Department
Building Division / Permit Center
Permit portal
City Online Portal System
Contact
650-595-7422permitcenter@belmont.gov

Step by step

  1. 1

    Confirm City ADU standards and property-specific constraints

    Review City ADU standards and contact Planning as needed For City pre-approved plan, determine whether site constraints permit chosen design Applicable City standards and site-specific conditions

  2. 2

    Submit Building Permit application and complete ADU materials

    Prepare Building Permit application, site/floor plans and owner acknowledgment For pre-approved design, add site-specific materials, fees and Building Permit application City Building Permit application

  3. 3

    City reviews pre-approved plan or site-specific complete application

    For pre-approved plan, provide identical approved plan and site-specific documents City comments or approval-ready package

  4. 4

    Resubmit pre-approved plan materials when City requests corrections

    Resubmit requested corrections until approval Corrected resubmittal

  5. 5

    Satisfy City conditions and fees; book permit pickup when Ready to Issue

    Satisfy all Prior to Permit requirements and pay outstanding fees Download/print approved plans and supplemental documents Book pickup when eTRAKiT status is Ready to Issue Picked-up Building Permit package

  6. 6

    Schedule in-person inspection and obtain results

    Register and link permit in eTRAKiT Schedule inspection through eTRAKiT Download inspection results Inspection result

What you need to submit

  • Building Permit Application, site plan and floor plans
  • Owner written acknowledgement and ADU covenant
  • Pre-Approved ADU Site Specific Plan Checklist and Building Permit Application

Pre-approved ADU plans

Use Belmont’s official page to confirm which designs, site conditions, and supplemental documents qualify. Plan-check timing still depends on the project and city review.

View pre-approved plans

Project-specific next step

Build your Belmont permit report

Choose your ADU type and size to bring the City process, researched permit fees, and early construction budget into one planning report.

Start my permit report

Sources for this guide

Additional city reference pages

  • CityPermitting Applications, Forms, and Fees

    The City current permits page exposes permit and impact-fee resources, but does not state the effective date of the linked master schedule.

    Accessed August 28, 2026

  • CityMaster Revenue Schedule

    The linked Master Revenue Schedule expressly says it was developed in 2015 and amended through June 11, 2019; it cannot verify current 2026 amounts.

    Accessed August 28, 2026

  • CityPre-Approved Accessory Dwelling Unit

    The City says the Council-adopted Master Fee Schedule applies and ADUs 750 square feet or greater are subject to Transportation and Park Impact Fees.

    Accessed August 28, 2026