Greenpod Design builds custom DADUs in Washington using SIP construction and sustainable materials. They handle permits, ADA-compliant design, and energy-efficient builds. WA law allows up to two ADUs per lot, up to 1,000 sq ft.
read more
Marksymov Brownstone LLC is a licensed Seattle ADU contractor offering basement, garage & attic conversions. They handle design, permits & construction, ensuring code compliance across Seattle, Bellevue & Kirkland.
read more
H26 Builders is a Seattle ADU contractor offering attached ADUs, detached ADUs, and garage conversions. Services include design consultation, permitting support, and project management to help homeowners add functional living or rental space.
read more
Seattle's trusted DADU & ADU builder offers custom builds, ADU conversions, and prefab cabins. Transparent pricing, expert guidance, and hands-on construction help homeowners add lasting value with backyard cottages and granny flats.
read more
Neil Kelly Washington offers ADU design and build services in the Northwest, including detached ADUs, garage conversions, and attached units. Their team navigates local permits, balances design with functionality, and helps homeowners add value through custom accessory dwelling units.
read more
Cast Architecture specializes in ADU and backyard cottage design in Seattle since 2009. With 80+ projects, their Cedar Cottage is pre-approved by Seattle & Kirkland. Award-winning designs include Widner Cottage and Lichtenstein Studio. Visit castcottages.com.
read more
Seattle's 2019 ADU law changes made it easier to build accessory dwelling units on single-family lots. DADUs can't exceed 50% of the main home's size. No parking required. New detached ADUs start around $350,000.
read more
Era Builders is a Seattle-based ADU contractor offering detached ADU construction, design, permitting, remodeling, and commercial renovations. They handle full ADU projects compliant with Seattle zoning rules, using sustainable practices.
read more
New Image Construction Management is a Washington State general contractor and building company based in Seattle, WA. With a primary focus of new home construction and renovation of residential and commercial properties.
read morePort Townsend, Washington, is one of the best-preserved Victorian seaports in the United States, and its rich architectural heritage creates a unique environment for ADU contractors in Port Townsend. The city's historic districts, including the National Historic Landmark designation for much of its downtown and residential areas, mean that building an Accessory Dwelling Unit here requires careful attention to design standards and local guidelines. Experienced ADU contractors understand how to balance modern living needs with the preservation requirements that make Port Townsend so distinctive.
Port Townsend follows Jefferson County and City of Port Townsend zoning codes that govern ADU construction. ADU contractors in Port Townsend, WA must navigate specific rules, including:
Working with a knowledgeable ADU contractor in Port Townsend ensures that all permits are properly filed with the City of Port Townsend's Development Services Department and that your project meets both state and local building codes.
Given the character of Port Townsend's neighborhoods, skilled ADU contractors commonly build several types of accessory dwelling units to suit the city's unique housing stock:
Hiring a local ADU contractor in Port Townsend, Washington offers significant advantages. Local contractors are familiar with the city's permitting timelines, its historic preservation review process, and the specific challenges posed by the region's coastal climate, including moisture management and wind resistance. Port Townsend's relatively small lot sizes and older infrastructure also require contractors with hands-on experience navigating tight spaces and aging utility systems.
Whether you are looking to create rental income, house a family member, or increase your property value, an ADU in Port Townsend is a smart investment. Connect with a qualified, licensed ADU contractor today to explore your options and begin the planning process in this beautiful Pacific Northwest coastal community.