JAKs Custom Woodwork

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Get a Free Quote
Contact the Kosters today at:
425-246-9232
Quality Custom Projects for Homes & Businesses from Seattle to Duvall, from Everett to Renton and surrounding areas.
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  • Services
  • Project Galleries
    • Home Remodels
    • Custom Decks
    • Rot Repair
    • Siding
    • Cabinets and Doors
    • Commercial Siding
    • Walkways and Flooring
    • Roofing
    • Custom Outbuildings
  • Custom Outbuildings
    • Sheds
    • Dog Houses
    • Barns
  • Testimonials
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Services

JAKs Custom Woodwork is a small locally owned construction company that specializes in decks, rot repair, home remodels and outbuildings. We are a general contractor, licensed, bonded and insured. No project is too big or too small. Jeff Kosters (owner/estimator/carpenter) has over 13 years experience in jobs ranging from $100 to $1.5million.

Services include but are not limited to:

Interior Remodel

Rot Repair

Window Replacement

Roofing

Siding

Decks

Pathways

Built ins

JAKs also designs and builds custom outbuildings. A display model can be seen at Chinook Lumber in Snohomish and a display soon to come at the Chinook Lumber North Bend location. Outbuildings include sheds, doghouses, chicken coops, play houses, barns and garages.

View our past projects here.

JAKs would love to help you with you construction needs. Estimates are always free!

Payments and Deliveries

Please contact us with the design and size of the project that you would like. We will get back to you within 48 hours. Payments are generally broken into two, first payment for materials is due at time of order and second payment is due at time of delivery.

At your request, the JAKs team will update you with photos of your project.

Delivery is included in the quoted purchase price. A JAKs customer service represenative will arrange a time and date of delivery prior to purchase or a date to build onsite depending on size of the project

On site builds require a site assessment prior to start of building at no extra cost to the customer.

Payment can be made by money order, cashiers check, check or PayPal.

Get a Free Quote

Please contact us with the design and size of the project that you would like. We will get back to you within 48 hours with a free quote.
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Project Galleries

Home Remodels
Custom Decks
Rot Repair
Siding

See More Galleries >>

About Us

JAKs= Jeff and Andrea Kosters As the name implies, JAKs Custom Woodwork is family owned and operated. Founded in 2012 and based in Duvall, WA, we take pride in knowing our name and reputation are … Learn More >>

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