Pasadena ADU Application Guide 2025

 Table of Contents
 1. Why Build an ADU in Pasadena?
2. Step-by-Step Guide to the ADU Application Process in Pasadena
 3. Financing Your ADU
4. Types of ADUs in Pasadena
5. FAQ

Why Build an ADU in Pasadena?

Pasadena offers a streamlined process for homeowners interested in adding Accessory Dwelling Units (ADUs) to their properties. Whether you're looking to create a rental unit, a home office, or additional living space, Pasadena's ADU program provides:

  • Pre-Approved Plans: Access free, permit-ready designs to expedite construction.

  • Simplified Permitting: Navigate a clear, step-by-step application process.

  • Financial Incentives: Explore funding options to support your project.


Step-by-Step Guide to the ADU Application Process in Pasadena

1. Determine Eligibility

Before starting, ensure your property meets the following criteria:

  • Zoning: Located in a zone that permits ADUs.

  • Lot Size: Complies with minimum lot size requirements.

  • Setbacks: Adheres to setback regulations.

  • Utilities: Access to necessary utilities.


2. Select a Pre-Approved ADU Plan

Pasadena offers a selection of pre-approved ADU plans, including studio, one-bedroom, and two-bedroom designs.These plans are available for download at no charge and are designed to streamline the permitting process.


3. Submit a Zoning Worksheet

Complete the Zoning Worksheet through Pasadena's Online Permit Center.This step involves uploading your selected ADU plan, site plan, and other required documents for zoning review.A city planner will assess your submission and provide feedback.


4. Apply for a Building Permit

Once zoning approval is obtained, submit a Building Worksheet through the Online Permit Center.This application includes detailed construction plans and specifications.Upon approval, you'll receive a building permit to commence construction.


Check Top ADU Permit Builders in Pasadena


Financing Your ADU

Pasadena's Accessory Dwelling Unit Loan Program (ADULP) previously offered financing and technical assistance to low-income homeowners. However, as of January 2024, the program is closed until further notice.

For alternative financing options:

  • CalHFA ADU Grant: Provides up to $40,000 for pre-construction costs.

  • Local Banks and Credit Unions: Offer specialized ADU loans.

  • Private Lenders: Consider lenders specializing in home improvement loans.


Types of ADUs in Pasadena

Pasadena recognizes several categories of ADUs:

  • Junior ADU (JADU): A conversion of existing space within a single-family home, not exceeding 500 sq. ft.

  • Category One ADU: Conversion of existing non-habitable space within a single-family home.

  • Category Two ADU: Construction of a new detached or attached ADU.

  • Category Three ADU: Conversion or construction of ADUs on multi-family properties.


FAQ

How long does the ADU application process take in Pasadena?

The process typically takes 4-6 weeks, depending on the complexity of your project and the completeness of your application.

Can I modify the pre-approved ADU plans?

Minor modifications may be allowed; however, significant changes could require a new review and approval process.

Are there impact fees for ADUs in Pasadena?

Impact fees may apply, but smaller ADUs (under 750 sq. ft.) are often exempt from these fees.

Do I need to live on the property to build an ADU?

As of 2024, Pasadena has eliminated the owner-occupancy requirement for ADUs.