See your property boundaries in Seattle overlaid on satellite imagery. Instant results — no surveyor, no county office visits.
Free instant results · No signup required
5,500 sq ft
Avg. Lot Size
Zone 8b
Hardiness Zone
Perennial Ryegrass
Best Grass
September–November
Fertilize
Type any Seattle-area address. LotSite covers all residential parcels in Washington using county assessor records.
Your property boundary is overlaid on satellite imagery. See exactly where your lot begins and ends — no guesswork.
Paint areas on the map to measure grass, driveway, patio, and more. Get exact square footage for each.
Whether you're planning a fence, starting a landscaping project, or just want to know your exact lot size, knowing your property lines is the first step. In Seattle, the typical residential lot is around 5,500 square feet — but every property is different.
Instead of spending $300–$800 on a surveyor or navigating your county assessor's GIS portal, LotSite pulls the same parcel boundary data and overlays it on satellite imagery. You get a visual map of your Seattle property in under 30 seconds.
Seattle is in USDA Hardiness Zone 8b, making Perennial Ryegrass the go-to for local lawns. Once you know your lot dimensions, use our calculators to figure out exactly how much fertilizer, seed, or mulch you need — no more guessing at the hardware store.
See exactly where your Seattle property ends so you can place fence posts inside your boundary line.
Fence Calculator →Measure grass, garden beds, and hardscape areas to buy the right amount of materials for your Seattle yard.
Mulch Calculator →Get your total lot area in square feet and acres — useful for insurance, refi, and real estate in the Seattle market.
Lawn Calculator →Zone 8b lawns in Seattle need Perennial Ryegrass-specific fertilizer applied september–november.
Fertilizer Calculator →Enter your Seattle address and get your property boundary map in 30 seconds — free.