Custom Marine Canvas & Upholstery Built for Your Boat


Protect your investment. Improve your comfort. Enjoy a better-looking boat.

Kasper’s Custom Canvas & Upholstery provides custom marine canvas, boat upholstery, cushion restoration, and repair services for boat owners throughout the San Francisco Bay Area and Sacramento–San Joaquin Delta.

Whether your boat needs new seating, replacement canvas, clearer enclosure windows, new foam, or a complete refresh, we provide carefully fitted solutions made with durable marine-grade materials.

Professional communication. Quality craftsmanship. A fit designed specifically for your boat.

Call us at +1 (925) 459-6786 to discuss your project or request an estimate.
Request an Estimate
Contact Us


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Marine Canvas and Upholstery Made to Fit


Boats present unique challenges. Curved surfaces, changing weather, sun exposure, moisture, and constant movement require materials and construction methods designed specifically for the marine environment.

At Kasper’s Custom Canvas & Upholstery, every project is planned around the size, shape, condition, and intended use of your boat.

Our services include:
  • Cockpit and interior upholstery
  • Boat seats, cushions, and bolsters
  • Bimini tops
  • Cockpit and mooring covers
  • Storage covers
  • Enclosures and replacement enclosure panels
  • Sunshades and privacy curtains
  • Clear-vinyl window replacement
  • Zipper, snap, and canvas repairs
  • Foam replacement and reshaping
  • Custom patterning, fabrication, and installation

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Restore the Boat You Already Own


A boat does not need to be new to look and feel exceptional. Worn vinyl, deteriorated foam, cloudy windows, failed zippers, and leaking canvas can make an otherwise enjoyable boat feel tired and uncomfortable. Professionally fabricated replacement canvas and upholstery can dramatically improve its appearance, comfort, protection, and resale appeal.
Kasper’s specializes in helping owners restore and update recreational boats, including older boats that deserve many more years on the water.


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Why Boat Owners Choose Kasper’s


  • Clear Communication
  • We respond promptly, explain the process, and provide a written description of the work to be completed.
  • Custom Fit
  • Each project is measured and patterned for the individual boat. We do not rely on one-size-fits-all solutions.
  • Marine-Grade Materials
  • We use materials selected for resistance to ultraviolet exposure, moisture, abrasion, mildew, and normal marine use.
  • Thoughtful Workmanship
  • Seam placement, water runoff, access, visibility, comfort, and appearance are considered throughout the project.
  • Dependable Service

We provide realistic schedules, communicate about changes, and stand behind our completed work.



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Serving Northern California Boaters


Kasper’s Custom Canvas & Upholstery serves boat owners, marinas, yacht clubs, brokers, and marine-service businesses throughout:
  • Contra Costa County
  • San Francisco Bay
  • Suisun Bay
  • Sacramento–San Joaquin Delta
  • Sacramento River boating communities
  • East Bay and North Bay marinas
  • Surrounding Northern California boating areas

We consider travel, marina access, parking, and installation requirements when preparing each estimate.

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Ready to Improve Your Boat?


Tell us about your boat, the work you are considering, and where the boat is located. Photographs are helpful and allow us to better understand the project before scheduling an inspection.
Request an Estimate


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