ADU Permit Fees & Costs in Fremont, California

Everything you need to apply for a adu permit in Fremont, California — documents, fees, steps, and a downloadable submission packet.

Key Facts

Permit required
Yes
Submission method
Online
Typical fee range
$4,500 – $12,375
Review time
Varies by jurisdiction
Inspections
7 inspections required
VerifiedLast verified: Feb 15, 20262 verified sources

Limited Data Available

Some information on this page has not been fully verified. We're working to improve data quality. Always verify with Fremont directly.

Estimated Total Fees

$4,500$12,375

Range based on typical residential solar PV system. Actual fees depend on project valuation and system size.

Fee ComponentRangeConfidence
ADU Permit Fee[1][2]

Building permit fees calculated per Fremont Master Fee Schedule based on estimated construction valuation and ADU square footage. Includes plan review and standard inspections. No impact fees for ADU utility connections.

$3,000 – $7,500
Plan Review Fee[3][4]

Plan review fee is typically 50-65% of the permit fee.

$1,500 – $4,875
Estimated Total$4,500$12,375

Fees shown as ranges. Always verify the exact amount with Fremont before submission. Additional fees may apply for expedited review or resubmittals.

Generate your permit packet

Get a personalized ADU permit packet for Fremont, California — tailored to your project details.

  • Required forms: Building Permit Application, and more
  • Pre-filled templates: Permit Cover Sheet
  • Fee breakdown: $1,500–$7,500 estimated total
  • Step-by-step Fremont Community Development Department portal submission guide
  • Inspection prep checklist (7 items)
  • Personalized for your specific project details
Build My Permit Packet

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Required Documents

Fremont requires the following documents for this permit application.

R

Building Permit Application

Completed City of Fremont building permit application with project scope, legal property description, and owner/applicant information and certification

R

Architectural Drawings

Complete architectural drawings signed and sealed by a licensed California architect or professional engineer with floor plans, elevations, sections, and construction details

R

Site Plan

Site plan showing property boundaries, lot dimensions, setbacks, existing and proposed structures, parking layout, and utility connections

R

Proof of Property Ownership

Current deed or title report documenting property ownership, required per California Government Code 65852.2 for ADU eligibility verification

R

Utility and Mechanical Plans

Plans showing water, sewer, electrical, and gas connections with separate metering specifications for independent ADU utility service

Permit Process

Follow these steps to submit your permit application through Fremont Community Development Department.

  1. 1

    Verify ADU Eligibility

    Confirm property meets ADU eligibility requirements under California Government Code 65852.2 and Fremont Municipal Code Chapter 18.126. Verify property ownership and zoning status.

    You'll need: Proof of Property Ownership

  2. 2

    Submit Building Permit Application

    Submit complete building permit application with all architectural, site, and utility plans to Fremont Community Development Department online portal

    You'll need: Building Permit Application, Architectural Drawings, Site Plan, Utility and Mechanical Plans

  3. 3

    Plan Review

    Fremont Community Development conducts comprehensive plan review for California Building Code and local zoning compliance

  4. 4

    Address Plan Review Comments

    Revise and resubmit plans if necessary to address any plan review comments or required modifications

  5. 5

    Permit Issuance

    Pay all applicable permit and inspection fees and receive authorization to begin construction

  6. 6

    Construction Inspections

    Schedule and pass all required inspections throughout construction and upon project completion

Authority Sources

Data on this page is sourced from official records published by the permitting authority. Always verify requirements directly before submitting.

Fremont Community Development Department

Last verified: February 15, 2026

2 sources referenced

Portal guide
Official page
Fee schedule
Fremont Master Fee Schedule

Verified February 15, 2026

Frequently Asked Questions

Do I need a adu permit in Fremont?
Yes. Fremont requires a adu permit for this type of project. Submitting without a permit may result in fines, required removal, or complications when selling your property.
How long does adu permit approval take in Fremont?
Processing times in Fremont vary depending on project complexity and current review volume. The process involves 6 steps. Contact Fremont Development Services for current timelines.
What documents are required for a adu permit in Fremont?
Fremont requires 5 documents including Building Permit Application, Architectural Drawings, Site Plan, Proof of Property Ownership, and others. See the full list above for details.
What happens if I build without a adu permit in Fremont?
Building without a permit in Fremont can result in stop-work orders, fines, required removal of work, difficulty selling your property, and insurance complications. It is strongly recommended to obtain proper permits before starting work.
Can PermitMagic help prepare my adu permit submission in Fremont?
Yes. PermitMagic generates a submission-ready packet tailored to Fremont's requirements, including a document checklist, workflow steps, and authority references. Start a permit plan to get your personalized packet.
How much does a adu permit cost in Fremont?
ADU permit fees in Fremont typically range from $4,500 to $12,375, depending on project scope. Fees may include building permit, plan review, and technology surcharges. Verify current fees with Fremont.

Related Permits

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