Enhance Your Home with a Custom Kirkland Home Addition
Need more space for a growing family, a home office, an extra bedroom, or a larger kitchen? BB-Builders Pro builds custom home additions, second-story expansions, and room extensions across Kirkland. We design each addition to blend with your existing home. From Juanita to Houghton, Rose Hill, and Norkirk, our licensed crew knows Eastside homes and lot styles. Many lakeview and hillside lots call for a smart second story. Every project adds square footage, function, and lasting resale value.
We also handle the parts most homeowners dread. Adding living space in Kirkland means a building permit, filed online through the Accela portal. We manage plan review, setbacks, and the design review some additions require. Standard reviews run about four to eight weeks, and design review board projects take longer. We track lot-coverage limits and impervious-surface rules on your parcel. Then our design-build team keeps your addition on code and on schedule.
Trusted Family Owned Remodeling Service
Our licensed Kirkland crew puts true craft into every build. We stand behind quality work, sound framing, and code compliance.
We design each home addition to fit how you live, your taste, and your budget. No cookie-cutter plans, no recycled layout.
We weave your new space into the existing structure, roofline, and trim. The addition looks original, not bolted on later.
We manage permits, setbacks, and design review through the city, so your home expansion keeps moving without the delays.
We select lasting materials, strong insulation, and smart home tech. Your energy-efficient addition performs for decades ahead.
BB-Builders Pro offers a wide range of services to cover every aspect of your expansion project. Our comprehensive services include:
Add a bedroom, home office, guest room, or in-law suite to the main level of your Kirkland home.
Gain a full second floor on your lakeview or hillside lot when the ground leaves no room to grow out.
Open the main floor into a bright kitchen and dining space built for cooking and hosting friends.
Add a roomier living or family space for movie nights, gatherings, and easy everyday evenings.
Create a private master suite with a spa-style bath, generous walk-in closet, and quiet retreat.
Add an in-law or multigenerational suite with its own private space for aging parents or grown kids.
Bring in daylight all year with a sunroom or enclosed patio made for gray Eastside winter days.
We combine smart layouts, natural light, and connected home tech so your new space works harder.
Design a main-level suite with wider doorways and a step-free bath for safe, accessible aging at home.
Testimonials
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We talk through your vision, walk your Kirkland property, and shape a home addition plan that fits your needs.
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Our architects create detailed blueprints and 3D renderings, so you can see the finished addition before we start work.
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We handle permits, setbacks, and design review with the city, so your addition clears approval without the runaround.
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Our skilled crew drives every build phase, from foundation and grading through framing, finishing, and final details.
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Before we hand you the keys, we complete a full inspection and walkthrough, so every detail of your new space meets the code.
A home addition expands your existing house with new, permanent living space. Homeowners use it to gain a bedroom, a second floor, a wider kitchen, or a private suite. Built into your current structure and foundation, a Kirkland addition reads as part of the original home rather than an add-on.
Kirkland home addition costs depend on square footage, finish choices, and how your lot sits. Ground-floor additions carry the lowest cost per square foot. Going up a level costs more because of the framing and engineering involved. Kitchens and master suites sit at the top of the range once plumbing and fixtures are added. You get a line-by-line estimate before anything begins.
Plan on roughly three to six months from first drawings to the final sign-off. Kirkland’s standard permit review lands around four to eight weeks, though anything sent to the Design Review Board runs longer. Bigger builds and second stories stretch the schedule further. We map realistic dates to your specific scope up front.
A building permit is required for essentially every Kirkland home addition. You submit the application through the city’s Accela portal, not MyBuildingPermit. Reviewers check your site plan, setbacks, and lot-coverage math before signing off. Certain additions also pass through Administrative Design Review under the zoning code.
Administrative Design Review applies to some Kirkland additions under zoning code Chapter 92. It looks at how the new space fits your site and the surrounding street. Plenty of straightforward additions never trigger it. We flag whether yours does before design work gets far.
Staying put through the build is realistic for most home additions. We wall off the active work area to keep dust, noise, and debris contained. A second story or a torn-open kitchen sometimes calls for a short stretch away. First-floor projects usually let you remain home start to finish.
Ground-floor rooms, upward second-story builds, and master suites top the request list. Right behind them come kitchen and dining expansions and in-law suites. Around Kirkland, homes on lakeview and hillside lots often build up, adding a floor without eating into the yard.
A well-built addition typically lifts what your home is worth. Extra finished square footage and refreshed space draw strong interest from Eastside buyers. Keep in mind that King County reassesses after major work, which can push your taxes up. The payoff shows in both everyday comfort and resale.
Start with your lot dimensions, required setbacks, budget ceiling, and how long you plan to stay. Kirkland caps lot coverage and impervious surface, and those limits steer the design. The slope and drainage of your parcel shape how the foundation gets built. Sorting this out early keeps you from paying for a redesign later.
Look for a licensed, insured builder who has done additions in your area. Request references, examples of past Eastside work, and proof they pulled the permits themselves. One team carrying design, permitting, and construction beats juggling several. That single-source approach keeps the job on code, on budget, and on time.
Most owners fund an addition through a home equity loan, a HELOC, a cash-out refinance, or a renovation loan. Equity loans and HELOCs fit those sitting on built-up value. Renovation loans step in when there isn’t much equity yet. Climbing Kirkland home values have left many owners with equity worth tapping.
Simple Financing Options
Discover the perfect financing solution for your remodeling project. We provide tailored options to suit your budget and ensure your dream home becomes a reality.
Contact us today for a free consultation, and let’s begin transforming your house into the home you’ve always wanted.
Contact us today for a free consultation, and let’s begin transforming your house into the home you’ve always wanted.