
Custom Home Additions in Thurston County
When your home no longer fits your needs, a custom addition can make all the difference. JWILCO builds thoughtful, lasting additions that blend seamlessly with your existing structure, creating more space and comfort without compromising your home’s character.
Solutions
Master suite or guest room additions
Kitchen and dining room expansions
Second-story or bonus room builds
Attached garages and workshops
Covered patios, sunrooms, and enclosed porches
Living space conversions for in-laws or extended family
Seamless transitions between old and new construction
Each addition is carefully designed, permitted, and built to match your home’s architecture and your lifestyle needs.
JWILCO’s experienced builders handle every detail, from planning and permitting to final finishes, so your new space feels like it’s always been part of your home.
FAQs

JWILCO builds both interior and attached outdoor additions, including bedrooms, kitchen expansions, garages, sunrooms, and second-story builds.
What types of additions does JWILCO build?
Yes. JWILCO specializes in seamless integration, ensuring new materials, finishes, and rooflines complement the existing home.
Will the addition match the rest of my house?
Timelines vary depending on size and complexity, but most projects range from several weeks to a few months. JWILCO provides clear schedules before construction begins.
How long does a home addition take?
Absolutely. JWILCO manages the entire process, including design coordination and permit applications, to keep your project on track.
