Tacoma ADU Regulations & Building Guide

Tacoma is a vibrant community located in Washington in Pierce County with a population of approximately 222,400. 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 Tacoma 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.

Tacoma Local Requirements

Contact GatherADU for specific information about ADU regulations in Tacoma, 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

Tacoma, located in the Puget Sound region of Washington State, is a vibrant city known for its stunning waterfront views, diverse cultural attractions, and historic charm. With a population of approximately 222,400, Tacoma serves as a key economic and cultural hub in the Pacific Northwest.

Geography and History

Tacoma sits along Commencement Bay and is surrounded by natural beauty, including Mount Rainier and numerous parks and green spaces. Founded in the late 19th century, the city has a rich history tied to the railroad and maritime industries. Today, Tacoma blends its historic roots with modern amenities and continues to grow and evolve.

Local Economy

Tacoma's economy is diverse, with several key sectors driving growth:

• Healthcare: Major medical centers like MultiCare Health System and CHI Franciscan Health.
• Education: Home to the University of Puget Sound, Pacific Lutheran University, and other educational institutions.
• Retail and Services: The city boasts a variety of shopping centers, restaurants, and service-oriented businesses.
• Technology and Innovation: A growing presence of tech companies and startups.
• Manufacturing and Maritime: Significant contributions from industries such as manufacturing, logistics, and the Port of Tacoma.

Popular Neighborhoods

Tacoma offers a variety of neighborhoods, each with its own unique character and amenities.

• North End: Known for its historic homes, parks, and proximity to the waterfront.
• Downtown Tacoma: A vibrant area with a mix of residential, retail, dining, and entertainment options.
• Proctor District: Features charming shops, restaurants, and a strong sense of community.
• Stadium District: Offers historic architecture and beautiful views of Commencement Bay.
• West End: A suburban area with family-friendly amenities and good schools.

Real Estate Market

The real estate market in Tacoma is known for its affordability compared to nearby Seattle. The city's diverse housing options, including single-family homes, apartments, and condos, cater to a wide range of buyers. The demand for housing is driven by Tacoma's quality of life, good schools, and strong community ties.

ADU Regulations in Tacoma

To address housing needs and affordability, Tacoma has implemented Accessory Dwelling Unit (ADU) regulations. These regulations aim to encourage the development of ADUs and provide more diverse housing options.

• 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, as well as Junior ADUs (JADUs).
• Size Limits:
  • Detached ADUs: Up to 1,200 sqft or 85% of the primary dwelling's size, whichever is smaller.
  • Attached ADUs: Up to 85% of the primary dwelling's size.
  • JADUs: Up to 500 sqft.
• Height Restrictions: Detached ADUs are generally limited to 25 feet in height.
• Parking: Generally, one additional parking space is required for ADUs, with some exceptions for properties near public transit.
• Owner Occupancy: The property owner must occupy either the primary dwelling or the ADU.
• Approval Process: ADUs that meet certain criteria are eligible for ministerial approval, streamlining the process.
• Design Standards: ADUs must be designed to be compatible with the primary residence and neighborhood character.
• Impact Fees: Reduced impact fees for ADUs smaller than 750 sqft.

These regulations are designed to support the development of ADUs, providing more diverse and affordable housing options in Tacoma.

Cultural Landmarks and Unique Aspects

Tacoma is known for its cultural landmarks and unique aspects that enrich the community's quality of life.

• Museum of Glass: A contemporary art museum dedicated to glass art, featuring a hot shop amphitheater.
• Point Defiance Park: A large urban park with gardens, trails, a zoo, and an aquarium.
• Tacoma Art Museum: Showcases regional and international art, with a focus on Northwest artists.
• LeMay – America’s Car Museum: Houses a vast collection of classic and vintage automobiles.
• Historic Theaters: The Pantages Theater and Rialto Theater offer a range of performances and events.
• Cultural Festivals: Tacoma hosts numerous cultural festivals, including the Tacoma Film Festival, Ethnic Fest, and the Tall Ships Festival, celebrating the city's diverse community.

Tacoma's commitment to thoughtful urban planning, cultural diversity, and economic growth makes it a standout city in the Pacific Northwest. The implementation of ADU regulations reflects the city's proactive approach to addressing housing needs while maintaining its high living standards. With its unique blend of cultural landmarks, economic opportunities, and community-focused amenities, Tacoma continues to attract residents and businesses seeking a dynamic and prosperous environment.

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