Custom Fabrication & Installation


Our Mission…


Located in Kelseyville California and serving clients in areas of Lake, Mendocino, Sonoma, and Napa counties. A M Stoneworks offers custom quality fabrication of stone slabs and professional installation to many different surfaces including kitchen and bathroom countertops, fireplace surrounds, and shower surrounds.

Get started with your project!


material selection…


Come visit us and check out our inventory in person or on our online inventory! We offer a unique variety of natural stone slabs stocked in our slab yard and we also work with the largest local distributors to ensure our customers will find the right material for their project


request a quote

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After selecting the right material for your project, send us your plans. We will then provide you with a competitive quote that includes a rendered image of your project so you can see the results!


Our location


A M Stoneworks

3566 Big Valley Rd

Kelseyville, CA 95451


Contact Us


Lets get started on your project

Please send all plans in PDF form to

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