Grass Master Hydroseeding

google review logo ★★★★★
"Such a great company to work with, great customer service!!!"
google review logo ★★★★★
"By far the best hydro seed experience! I have used two other companies in the past..."
google review logo ★★★★★
"We own a landscape & design firm... Always top notch product and customer service."

Trusted by Top Contractors and Thousands of Home-Owners!

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GrassMaster is Family-Owned.
Based out of King County since 1994 (over 30 years!)

No job is too big or small
Typical lawns are 2000sqft
We easily spray acres of pasture land or commercial properties in a single day.


Get a quick quote!
  1. (We charge by the Square-Foot)

Proudly Serving PNW Communities Near You!

King County
Snohomish County
Whatcom County
Kitsap County
Kittitas County
Island County
Mason County
Pierce County
Thurston County
Skagit County

The Better Way to a Luxurious Lawn

Hydroseeding is a low cost option to Sod with Custom Mixes available for all types of turf

Jobs We Spray

Residential Lawn Seed & Hydro Mulch
Residential Lawn Seed & Hydro Mulch

1/4th the cost of sod and 3x more efficient than self-seeding your Lawn! ...

Commercial Erosion Control
Commercial Erosion Control

We are FAST and efficient. Years of experience and the right equipment make us the best choice for your erosion control needs. ...

Why Hydroseed?

Easier to Use

Easier to Use

One of the primary reasons people choose sod over a new lawn is because they expect it to be easy. But really, what's so easy about lifting heavy rolls of damp sod and fitting them together like a giant jigsaw puzzle? Instead, you could choose a Grass Master hydroseed lawn.

A Healthier Lawn

A Healthier Lawn

Grass Master lawns are engineered to be drought tolerant, disease resistant and low maintenance. We tailor your lawn to your gardens unique microclimate, preparing a custom blend of top-quality seed, slow-release fertilizer, lime and heavy mulch. So confident are we in the quality of our lawns, we guarantee your satisfaction.

A Lot Less Expensive

A Lot Less Expensive

Our lawns are easier, guaranteed to be healthier, and can save you 50% or more compared to the cost of installing sod. Grass Master lawns truly are the better way to a luxurious lawn. And because our lawns are more durable, you continue saving over the years with lower maintenance costs.

Our 3-Step Process

Get A Quote

Get A Quote


Call us and get booked onto our calendar!

We Come Spray

We Come Spray


Between 7-8AM we call with our arrival time, we show up and spray your lawn

Water and Wait

Water and Wait


Keep it moist like a wet sponge - be patient - keep watering

For more preparation details, visit How Does HydroSeeding Work?