Auburn ADU Regulations & Building Guide

Auburn is a vibrant community located in Washington in King/Pierce County with a population of approximately 88,820. As demand for housing continues to grow, accessory dwelling units (ADUs) have become an increasingly popular solution for homeowners looking to add living space, generate rental income, or house family members.

GatherADU provides comprehensive ADU services to Auburn residents, including custom design, permit assistance, and full construction management. Our team understands local building codes and zoning regulations to ensure your project proceeds smoothly.

Washington State ADU Laws

Washington state has enacted legislation to encourage ADU construction as part of efforts to address housing affordability and availability.

Key Washington ADU Regulations:

• Size Limits: Vary by jurisdiction, typically 800-1,000 sq ft.
• Parking: Many cities have reduced or eliminated parking requirements.
• Short-Term Rentals: Local regulations may apply to ADU rentals.

Auburn Local Requirements

Contact GatherADU for specific information about ADU regulations in Auburn, Washington.

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.

Washington ADU Legislation Overview

Washington state continues to expand ADU opportunities for homeowners across the state.

Key Washington ADU Developments:

• Statewide mandate for cities to allow ADUs
• Reduced parking requirements in many jurisdictions
• Streamlined permitting processes

Auburn, Washington, with a population of approximately 88,820, is a city known for its scenic beauty and vibrant community. Located between Seattle and Tacoma, Auburn offers a mix of urban amenities and suburban charm. The city has implemented specific regulations for Accessory Dwelling Units (ADUs) to address housing needs while preserving the community's character.

Geography and History

Auburn is situated in the Green River Valley, surrounded by the picturesque landscapes of the Pacific Northwest. Historically, Auburn developed as a farming community and later evolved into a significant suburban area with a rich cultural heritage.

Local Economy

Auburn's economy is diverse, with key sectors including:

• Manufacturing and Aerospace: Home to significant manufacturing facilities, including Boeing's operations.
• Retail and Services: The city boasts a range of shopping centers, local businesses, and service industries.
• Education and Healthcare: Educational institutions and healthcare services play a vital role in the local economy.

Popular Neighborhoods

Auburn features several distinct neighborhoods, each offering unique living experiences:

• Downtown Auburn: Known for its historic charm, local shops, and community events.
• Lakeland Hills: A family-friendly area with parks, schools, and modern housing developments.
• West Hill: Offers a mix of residential options with convenient access to major highways.
• Lea Hill: A suburban neighborhood with a blend of single-family homes and green spaces.

Real Estate Market

Auburn's real estate market is characterized by affordability compared to nearby larger cities, making it attractive for families and professionals. The market includes a mix of single-family homes, townhouses, and apartments.

ADU Regulations in Auburn

Auburn's ADU regulations are designed to provide additional housing options while ensuring compatibility with existing neighborhoods:

• Zoning: ADUs are permitted in most residential zones, including single-family and multi-family zones.
• Types of ADUs: Both attached and detached ADUs are allowed.
• Size Limits:
  • Detached ADUs: Up to 1,000 sqft.
  • Attached ADUs: Up to 50% of the primary dwelling’s living area or 1,000 sqft, whichever is less.
• Height Restrictions: Detached ADUs are generally limited to 20 feet in height.
• Parking: One additional parking space is typically required for ADUs, though this can be waived in certain circumstances.
• Owner Occupancy: The property owner must reside in either the primary dwelling or the ADU.
• Approval Process: Auburn has streamlined the ADU approval process, with permits typically issued within a few months if all criteria are met.
• Impact Fees: Impact fees for ADUs are assessed based on the unit size and location, with some exemptions for smaller units.
• Design Standards: ADUs must be designed to match the architectural style of the primary residence and fit within the neighborhood's character.

Cultural Landmarks and Unique Aspects

Auburn is known for several unique features that enhance its community appeal:

• Emerald Downs: A renowned horse racing track offering entertainment and events.
• Muckleshoot Casino: A popular gaming and entertainment destination.
• Auburn Environmental Park: Provides opportunities for outdoor recreation and wildlife viewing.
• White River Valley Museum: Showcases the history and culture of the Auburn area.

Auburn’s ADU regulations aim to provide flexible housing solutions while maintaining the city's suburban charm and high quality of life. By offering a streamlined approval process and encouraging the development of ADUs, Auburn addresses housing shortages and promotes sustainable growth. The city's approach to ADUs aligns with its broader goals of enhancing livability, supporting community diversity, and preserving its vibrant character.

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