Pasadena ADU Regulations & Building Guide

Pasadena is located in Southern California and is renowned for its cultural heritage and beautiful landscapes. It provides residents with both urban amenities and suburban comfort.

California State ADU Laws

California has some of the most progressive ADU legislation in the country. Recent laws including AB 68, SB 13, and AB 881 have significantly streamlined the ADU approval process and reduced barriers for homeowners.

Key California ADU Regulations:

• Size Limits: Detached ADUs can be up to 1,200 sq ft. Attached ADUs can be up to 50% of the primary dwelling or 1,200 sq ft, whichever is less.
• Setbacks: Minimum 4-foot side and rear setbacks for detached ADUs.
• Height: Generally up to 16 feet, with some exceptions for two-story ADUs (up to 25 feet in certain zones).
• Parking: No additional parking required in most cases, especially near transit.
• Owner Occupancy: No owner-occupancy requirement until 2025 for most ADUs.

Pasadena Local Requirements

While California state law provides baseline regulations, Pasadena may have additional local requirements. GatherADU's team stays current with Pasadena's specific zoning codes, architectural guidelines, and permit processes to ensure your ADU project meets all requirements.

Common local considerations in Pasadena include:

• Design review requirements and architectural standards
• Utility connection fees and impact fees
• Fire department access requirements
• Neighborhood-specific overlay zones

California law (AB 68, AB 881, SB 9, and subsequent legislation) guarantees your right to build ADUs. Cities cannot:

• Require owner-occupancy for ADUs permitted after 2020
• Require additional parking for ADUs near transit
• Charge impact fees for ADUs under 750 sq ft
• Deny ADUs that meet state minimum standards
• Impose lot coverage limits that prevent a 800 sq ft ADU

If you believe your ADU application is being unfairly denied, California HCD can intervene on your behalf.

California ADU Legislation Overview

California leads the nation in ADU-friendly legislation. The state has passed numerous laws to encourage ADU construction as a solution to the housing crisis.

Key California ADU Laws:

• AB 68 (2020): Reduced local government review time and expanded ADU construction options.
• SB 13 (2020): Limited impact fees and reduced owner-occupancy requirements.
• AB 881 (2020): Prohibited minimum lot size requirements and allowed JADUs in all zones.
• AB 2221 (2022): Further streamlined the ADU approval process.
• SB 897 (2022): Increased height limits for ADUs in certain zones.

California ADU Benefits:

• Property value increase of 20-30% on average
• Rental income potential of $1,500-$3,500+ monthly
• Housing flexibility for family members
• No owner-occupancy requirements (until 2025)

Pasadena, California, is a city renowned for its historic charm, cultural landmarks, and vibrant community. Located in Los Angeles County, Pasadena has a population of approximately 137,122and is known for its prestigious institutions, historic architecture, and annual events like the Rose Parade.

Geography and History

Situated about 10 miles northeast of downtown Los Angeles, Pasadena has a rich history dating back to its incorporation in 1886. The city is recognized for its well-preserved historic homes, cultural institutions, and beautiful tree-lined streets.

Local Economy

Pasadena's economy is diverse, with several key sectors:

• Education: Home to institutions like Caltech and Pasadena City College, which contribute significantly to the local economy and cultural landscape.
• Healthcare: Includes major medical centers such as Huntington Hospital, which plays a significant role in the local economy.
• Retail and Services: Features a range of shopping, dining, and service establishments, including the popular Old Pasadena district.
• Technology: The city has a growing tech sector, including companies and startups in various technology fields.
• Tourism and Culture: Pasadena’s historic sites, museums, and annual events attract visitors and contribute to the local economy.

Popular Neighborhoods

Pasadena offers a variety of neighborhoods, each with unique features:

• Old Pasadena: Known for its historic architecture, vibrant dining scene, and cultural attractions.
• South Pasadena: Features charming streets, historic homes, and a strong sense of community.
• Pasadena Playhouse District: Home to cultural venues and historic buildings, including the Pasadena Playhouse.
• Linda Vista: Offers residential areas with access to parks and views of the San Gabriel Mountains.
• San Rafael: Known for its large homes, tree-lined streets, and proximity to the Pasadena Country Club.

Real Estate Market

Pasadena’s real estate market includes a mix of historic homes, modern developments, and luxury properties. The city’s housing market is competitive due to its desirable location, historic charm, and amenities. Homes in Pasadena often feature unique architectural styles and larger lots compared to other parts of Los Angeles County.

ADU Regulations in Pasadena

Pasadena has implemented Accessory Dwelling Unit (ADU) regulations that align with California state laws while addressing local needs. These regulations are designed to facilitate ADU development while maintaining the city’s residential character.

• Zoning: ADUs are permitted in residential zones, including single-family and multi-family districts.
• Types of ADUs: Both attached and detached ADUs are allowed, as well as Junior ADUs (JADUs).
• Size Limits:
  • Detached ADUs: Up to 1,200 sqft.
  • Attached ADUs: Up to 50% of the primary dwelling’s living area or 1,200 sqft, whichever is less.
  • JADUs: Up to 500 sqft.
• Height Restrictions: Detached ADUs are generally limited to 16 feet in height, though some exceptions may apply based on site-specific conditions.
• Parking: Generally, no additional parking is required for ADUs if located within a half-mile of a transit stop. In other areas, one additional parking space may be required.
• Owner Occupancy: As of recent updates, there is no owner-occupancy requirement for ADUs, though owner occupancy is required for properties with JADUs.
• Approval Process: ADUs that meet specific criteria are eligible for a streamlined review process to expedite approvals.
• Multiple ADUs: In multi-family properties, up to two detached ADUs are allowed, or ADUs for 25% of the existing units within the structure, whichever is greater.
• Impact Fees: Impact fees for ADUs are often reduced to encourage development and affordability.
• Design Standards: ADUs must be designed to complement the primary residence and adhere to neighborhood character, including architectural compatibility and landscaping requirements.

These regulations reflect Pasadena’s commitment to increasing housing options while preserving the city’s historic and residential quality.

Cultural Landmarks and Unique Aspects

Pasadena is known for several unique aspects and cultural landmarks:

• The Rose Bowl: A historic stadium that hosts the annual Rose Bowl Game and various events.
• Caltech (California Institute of Technology): A prestigious institution known for its contributions to science and technology.
• Norton Simon Museum: Features an impressive collection of art from different periods and regions.
• Old Pasadena Historic District: A vibrant area known for its historic buildings, shopping, dining, and entertainment options.
• The Gamble House: An example of Arts and Crafts architecture, open for tours and showcasing the city's architectural heritage.

Pasadena’s ADU regulations aim to support the city’s housing needs while preserving its historic charm and residential quality. With its diverse neighborhoods, cultural landmarks, and historic appeal, Pasadena offers a unique living environment in Los Angeles County. The city’s approach to ADU development reflects its commitment to accommodating growth and enhancing the community experience, ensuring that Pasadena remains a vibrant and attractive place to live.

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