- Seattle’s Award-Winning Home Remodeling Contractor
Renovate Builders has completed more than 1,000 ADU projects across Redmond over the last 15 years. We design and build accessory dwelling units that work for real life – compact, code-compliant, and built to perform. Whether you’re looking to add rental income, house a family member, or maximize your property value, we handle the full scope from permits through final inspection.
Housing demand in Redmond continues to outpace supply. Many homeowners are turning to accessory dwelling units as a practical solution – adding functional living space without relocating or undertaking major site work.
Renovate Builders has spent 15 years refining the process of building ADUs in Washington. Across more than 1,000 completed projects, we’ve learned what works on paper and what actually performs in the field. Our approach combines thoughtful design with the operational knowledge needed to navigate Redmond’s permitting requirements and utility coordination.
Your project moves forward with an in-house team of 25+ local builders, designers, and coordinators. They handle everything from initial planning and custom layout through permitting with the City of Redmond, utility connections, and final construction. Because the same people overseeing your design are managing permits and coordinating trades, delays and miscommunication rarely become problems.
ADUs add real value. They create space for aging parents, adult children, rental income, or simply more room for your own household. More importantly, they do so within the zoning framework and building codes that protect your property and neighborhood.
Renovate Builders works with homeowners who want a straightforward process and a finished project that works the way it was designed. If you’re exploring ADU options for your Redmond home, we can walk through feasibility, design considerations, and what the timeline and cost actually look like.
Building an ADU in Redmond, WA means finding the right balance between what you spend, what you get, and how fast it happens. We source materials built to handle the Pacific Northwest climate without cutting corners on durability or lifespan. Whether you’re adding a backyard cottage, converting garage space, or finishing a basement suite, the focus stays on meeting code requirements while maximizing what the investment returns – whether that’s rental income, space for extended family, or long-term property value.
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.
Redmond homeowners can add significant value and flexibility to their property through a custom detached ADU built to local code. Whether you’re thinking about rental income, housing family members, or creating an independent living space, these standalone units work in studio, one-bedroom, or two-bedroom configurations. Full kitchens, dedicated bathrooms, and modern energy efficiency come standard, supporting both immediate use and long-term investment potential across different occupancy models.
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 Redmond WA neighborhoods, delivering a major property value increase while supporting long-term living without relocating.
For added privacy and flexibility, backyard cottages in Redmond 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 Redmond 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 Redmond 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. Bellevue 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
