- Seattle’s Award-Winning Home Remodeling Contractor
With more than 15 years of experience and over 1,000 completed projects across Gig Harbor WA, Renovate Builders specializes in designing and building high-quality ADUs that provide homeowners with functional, code-compliant living spaces built to last.
The housing shortage continues to reshape communities across the Pacific Northwest. Accessory Dwelling Units, or ADUs, offer homeowners a practical solution by expanding living capacity right on their existing property. At Renovate Builders, we’ve spent over 15 years perfecting the craft of ADU design and construction. Our track record speaks for itself: more than 1000 completed projects throughout Washington state, each one built to enhance both the functionality and legal standing of the home.
When you partner with us for your ADU project in Gig Harbor, you’re working with a dedicated team of 25+ local professionals who manage every phase of development. From initial planning and custom design through permitting with the City of Gig Harbor WA, coordination with utility providers, and final construction, we handle the complexity so you don’t have to. Gig Harbor WA Our comprehensive approach ensures your new living space meets all local requirements while delivering exactly what your family needs.
We deliver ADU construction throughout Gig Harbor that combines affordability, durability, and timely completion. Our projects use premium materials selected to withstand the Pacific Northwest climate while maintaining excellent long-term performance. Whether you’re building a backyard cottage, detached garage conversion, or basement accessory dwelling, we ensure every structure meets current building codes and maximizes your investment returns—whether for rental income, family housing, or future property value. Gig Harbor WA ADU construction balances cost, quality and speed. We use durable, high-quality materials that endure the city’s weather and wear, providing value for rental income, multigenerational living, and future resale. From backyard cottages to detached garages and basement units, every build is code-compliant and optimized for ROI.
Detached ADUs are small, independent units built separately from the main home and are also called “backyard cottages”. Have an underused backyard space? You can make it useful through long-term rentals or multigenerational living with the help of detached ADUs. Call us for site planning, custom design, permitting, and full build.
Attached ADUs share at least one wall or structural component with the main home. We also call them home extensions or garage ADUs, as they are usually built over garages or as side additions. Need a space for in-law suites or flexible rental space with shared utilities? This option is for you that adds luxury and comfort to your lifestyle.
Conversion ADUs are garage or basement conversions. We use existing square footage, like basements, attics, or garages, and transform them into livable units. This option is best for fast turnaround and lower cost-per-square-foot, making it ideal for short-term rental or guest suites.
We specialize in designing and constructing custom detached accessory dwelling units built to comply with Gig Harbor WA zoning requirements while making the most of your property. Our ADU designs range from studios to two-bedroom layouts, each built with full kitchens, private bathrooms, and modern energy-efficient systems. Whether you’re looking to generate rental income through short-term guests, establish a long-term tenant relationship, or provide housing for extended family, a detached ADU adds meaningful flexibility and lasting value to your Gig Harbor property.
Our garage conversion service transforms an underused space into a legal, livable unit. We handle structural retrofitting, insulation, plumbing, and electrical upgrades. Need home offices, rental units, or guest quarters? Garage conversion is your best cost-effective alternative to new builds. Increase usable square footage and get a strong ROI without expanding outward.
Expand your home’s square footage without moving, with our room addition services. Add bedrooms, bathrooms, family rooms, gyms, or office space for your growing family or simple lifestyle upgrade. Our team makes sure that all additions match the existing structure and architecture. Let us help you boost appraisal value and functionality in residential zones.
Second-story additions are perfect for homeowners needing more space without sacrificing yard area. We build up, adding full floors or partial pop-tops to maximize views and living space. This is ideal for land-locked Gig Harbor WA neighborhoods, delivering a major property value increase while supporting long-term living without relocating.
For added privacy and flexibility, backyard cottages in Gig Harbor WA are a popular choice. These detached living units, also called DADUs or sometimes referred to as in-law suites (when used for extended family housing). Our team completes them with kitchens, bathrooms, and private entrances. Highly useful for families with aging parents, adult children, or renters. Enjoy living independently while increasing property value and long-term rental income.
ADUs generate consistent passive income through short- or long-term rentals. It’s one of the lowest-barrier ways to invest in real estate without buying a second property or moving out.
And if you do relocate, it’s known that Gig Harbor WA homes with ADUs consistently sell for more. Buyers value extra rentable space, which means your property stands out in listings.
Adding an ADU gives your property long-term flexibility. Enjoy a livable space for aging parents, adult kids, or a future home office. It adapts to your lifestyle while preserving privacy and personal space.
We evaluate your lot for zoning, access, and size constraints before beginning any design or permitting process.
Our in-house team develops detailed drawings optimized for layout, light, and utility performance before submitting permit applications.
Once approved, our crew begins excavation, foundation, framing, and finishes. You’ll get a fully permitted, move-in-ready ADU or DADU.
Whether you want premium finishes or need a cheap, affordable option, we offer scalable design-build solutions without sacrificing quality. From zoning headaches to DADU footings, we solve it, manage it, and finish it, because that’s what the best ADU builders Gig Harbor WA should do.
ADU costs range from $100,000 to $350,000+, but the exact price depends on the size, layout, location, and type (like garage conversion or detached unit). Call us for a custom quote!
Yes. Renton WA allows long-term and short-term ADU rentals with some occupancy and licensing rules.
Most ADUs or home additions take about 3 to 6 months to finish. We give you a timeline upfront.
Absolutely. We manage trenching, utility hookups, foundation pouring, and all required inspections.
Most online DIY advice won’t work, since ADUs/DADUs involve permits in Seattle. The best option is working with a licensed contractor, so start by reaching out to us.
General Contractor Serving Seattle and Surrounding Areas
