Serving the Lamorinda Area

continuously Since 1936

DIAMOND K WILL BE CLOSED MONDAY APRIL 21, 2025 IN OBSERVANCE OF THE EASTER HOLIDAY. WE WILL RE-OPEN TUESDAY AS SCHEDULED.

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ABOUT

INSPIRATION

Browse Our Selection

OF BEST-SELLING PRODUCTS!

We strive to bring you the best products available and to help you make your landscaping amazing.

Since 1936

About Us

At Diamond K Supply, we proudly provide friendly, knowledgeable service to help you transform your yard.


With over 84 years of experience in the field, there’s no one better to trust to help complete your job.

Contact Us

Since 1936

About Us

At Diamond K Supply, we proudly provide friendly, knowledgeable service to help you transform your yard.


With over 84 years of experience in the field, there’s no one better to trust to help complete your job.

About Us

Inquire About

OUR DELIVERY OPTIONS

We have various delivery options available. Please call us for more information.

Learn More

We are Ready to

DELIVER TO YOUR JOB SITE

Since 1936, Diamond K Supply has served the following locations:

  • Lafayette
  • Orinda
  • Moraga
  • Walnut Creek
  • Rossmoor
  • Pleasant Hill
  • Concord
  • Martinez
  • Alamo
  • Danville
  • Diablo
  • San Ramon
  • Blackhawk

Find Us

Address

3671 mt. DIABLO BLVD.,

LAFAYETTE, CALIFORNIA 9459


Phone

(925) 284-4477