Bellevue

Custom Home Builders & ADU Contractors Bellevue

Design-build construction tailored to Bellevue lots, regulations, and expectations—from custom homes to high-value ADUs and additions

Explore What We’re Providing

Building in Bellevue Requires More Than Plans

Bellevue neighborhoods come with their own set of challenges—tight infill lots, overlapping regulations, and high expectations for quality and finish. We build projects that navigate those demands with clarity, speed, and sharp execution.

Signature Build is a full-service design-build firm serving Bellevue, Washington. We specialize in custom home construction, ADUs and DADUs, additions, and garage conversions—all handled in-house by one team. Our work includes garage ADUs in Bridle Trails, home additions in Lake Hills, and custom homes in Enatai—each one designed for how it will be used and where it’s being built.

Construction Services in Bellevue

Let our design-build studio revitalize and reinvigorate every corner of your home – from bathrooms and kitchens to home offices, mudrooms, and any in between.

Custom Homes

Custom homes in Bellevue, WA—designed for your lot, engineered for the hillside, and built to meet neighborhood and city standards.

ADUs & DADUs

Backyard cottages, over-garage units, or basement ADUs—we build smart, code-compliant accessory dwellings that meet Bellevue zoning requirements.

Garage Conversions

Convert underused garages into livable, permitted spaces—guest units, rental-ready suites, or private home offices.

Home Additions

Add square footage without adding complexity. We build second stories, kitchen expansions, and full new wings across Bellevue.

Whole-Home Remodeling

We take on structural remodels that include layout reworking, system upgrades, or major finishes—projects that need professional oversight.

Commercial Construction

Interior commercial build-outs and renovations across Bellevue—managed with clean timelines and city coordination.

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3 Breathtaking U-Shaped Kitchen Remodeling Designs for a Functional and Stylish Space

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Transforming Your Home’s Curb Appeal with Seasonal Holiday Decorations

Incorporating Festive Patterns And Textures Into Your Holiday Home Decor

Why Bellevue Clients Work with Signature Build

Our Design Build Studio Unifies all aspects of your remodel project from conception to completion. The results? Simple, affordable, and bespoke renovations with little to no stress on your part.

One Team, One Process

Design, permitting, and construction all managed in-house.

We Know Bellevue’s Code Inside and Out

Land use, tree protection, ADU setbacks—our projects pass review the first time.

You’ll Know the Scope Upfront

Real estimates, clear plans, and timelines that don’t drift.

Crews You Can Rely On

Experienced trades. Organized sites. Work that’s done right the first time.

Financing Options Available

Ask about financing your Bellevue ADU, home addition, custom build, or conversion project.

Our Process for Custom Homes & ADUs in Bellevue

Design with Site and Use in Mind

Plans tailored to Bellevue code, slope, and how the space will actually be used.

Permitting & City Coordination

We handle all plan submittals, responses, and reviews with Bellevue’s building department.

Construction That’s Predictable and Professional

No surprises. No mess. Just well-managed building with clean execution.

Recent Projects in Bellevue, Washington

Our portfolio includes bathroom renovations, kitchen remodels, garage conversions, home additions, and custom homes across Bellevue—including neighborhoods like Woodridge, Enatai, Lake Hills, Eastgate, and Crossroads.