Construction & Landscaping Services for the Tri Cities and surrounding areas

If you are looking for landscaping construction or patio design, Richland's Gamache Landscaping can help you with all of your landscaping needs!


We offer outstanding residential or commercial maintenance programs that include mowing, edging and fertilization which will ensure that our clients’ landscape investment is properly maintained.

Hardscaping & Landscaping Projects

Gamache Landscaping in Richland can handle all of your landscape projects - both large and small! From water features and retaining walls to lighting and patio design, we will transform your Tri Cities property!

Serving the Columbia Basin and surrounding areas since 1992

Richland | Tri-Cities | Kennewick | Pasco | Walla Walla | Hermiston

Gamache Landscaping Serving the Columbia Basin area over 25 Years

1212 Columbia Park Trail Richland, WA 99352

Gamache Landscaping, Inc. specializes in landscape design and landscaping construction. Our award winning company has been serving the Tri-Cities and Eastern Washington for over 25 years. If your property is in Richland, WA, or anywhere else in the Tri-Cities, Gamache Landscaping and nursery offers fantastic year-round landscaping solutions.

Our services in Richland, WA, run the gamut from custom design and construction of retaining walls to standard lawn maintenance. Our team is committed to quality and excellence in all of our landscaping projects, both large and small. Gamache has experienced, courteous experts to help you through your landscaping projects in Richland, WA.

We understand that each one of our clients will have different needs, and all of our designs are customized to satisfy those individual needs. Our professional landscaping services and one-stop nursery offer you everything you need to produce the landscape of your dreams.

We Specialize In:

  • Landscape Renovation & Construction
  • Retaining Walls & Arbors
  • Ponds & Waterfalls
  • Brick Paver Patios, Driveways & Paths
  • Automatic Irrigation Services
  • Low Voltage Night Lighting
  • Holiday Lighting
  • Year Round Maintenance & more!
  • You Plan, We Plant
  • Snow Removal
  • Ice Melt
  • Design Services Available

Upgrade your landscape in Richland, WA, with a custom retaining wall!

Retaining walls are a great way to add character and functionality to your landscape in Richland, WA, and the Tri-Cities area. Typically constructed to separate areas of varying gradients, retaining walls can effectively complement and highlight your landscape’s topography. Common in back yards but also elegant in front and side yards, retaining walls are usually constructed of rock, basalt, boulders, bock keystone, manor stone or anchor diamond. Retaining walls in Richland, WA, built by Gamache Landscaping, Inc. feature engineered designs from a local firm. For more information about how retaining walls or other physical features by Gamache Landscaping, Inc. can benefit your property in Richland, WA, Hermiston, OR, Walla Walla, WA and the Tri-Cities area, contact us today.

Contact us today or stop by our nursery to speak with one of our landscaping professionals! Our experienced landscapers have worked all over Richland, the entire Tri-Cities area and even Hermiston, OR and can assist you with all of your landscaping needs – from landscape design to installation!

Directions & Hours

  • Gamache Landscaping, Inc.

    1212 Columbia Park Trail
    Richland, WA 99352


    Call Us
    Phone: (509) 735-9100
    Fax: (509) 735-9119

    Mon: 8:00AM=5:00PM
    Tue: 8:00AM=5:00PM
    Wed: 8:00AM=5:00PM
    Thu: 8:00AM=5:00PM
    Fri: 8:00AM=5:00PM
    Sat: Closed
    Sun: Closed