Land & Lot Search · Mercer Island, WA
Mercer Island vacant land & lots.
Finding buildable land in Mercer Island takes more than a map search — you need to know which parcels are truly shovel-ready, which carry environmental restrictions, and which neighborhoods have the utilities already stubbed in.
Market context
What buyers and sellers should know.
Mercer Island land inventory shifts faster than most buyers expect. Rezoning, development pressure, and infrastructure expansion all affect which parcels are worth pursuing. RexMont's agents track active listings and off-market opportunities across Mercer Island.
Mercer Island homes are currently priced around $2.6M median (roughly $794/sqft), with an average of 22 days on market. The area is served by the Mercer Island School District, and top local employers include Seattle & Bellevue professional sector, tech industry remote, and healthcare. Primary commute corridors connect to Mercer Island Link Light Rail Station and I-90 to Seattle or Bellevue (~10 min).
RexMont Real Estate is Seattle and the Eastside's most-reviewed brokerage — 1,235+ five-star Google reviews and over $1 billion in closed transactions across 1,200+ deals.
Before you buy
What to know about vacant land & lots in Mercer Island.
Verify zoning and permitted uses before anything else
Mercer Island parcels carry different zoning designations — residential, agricultural, commercial, mixed-use. Confirm permitted uses, minimum lot sizes, and setback requirements with the county or city planning department before making any offer.
Utilities and infrastructure access
Not all vacant land has water, sewer, power, or road access. Connecting to municipal utilities can add $30,000–$150,000+ to your costs. Well and septic are alternatives, but require permitting and soil testing.
Environmental restrictions and critical areas
Wetlands, steep slopes, flood zones, and critical area buffers can severely limit what you can build — even on parcels marketed as buildable. A Phase I environmental assessment and county GIS overlay review should precede any serious offer.
Perc tests and soil conditions
If you plan to install a septic system, a percolation (perc) test is required. Failing soils can make an otherwise attractive parcel unusable for residential construction.
Financing is different for raw land
Traditional mortgage lenders don't finance raw land. Expect to use a land loan, portfolio lender, or seller financing — typically with higher down payments (25–50%) and shorter terms than residential mortgages.
HOA and road maintenance agreements
Some Mercer Island land parcels are part of larger subdivisions with shared road or utility maintenance agreements. Review any CC&Rs or easements before closing.
Tools & insights
Resources for Mercer Island buyers and sellers.
Mortgage calculator
Estimate monthly payments and total interest.
Home value estimate
Get an agent-prepared estimate of your Mercer Islandhome's value.
Cost of buying a home
Closing costs, reserves, and what to have liquid before you start.
All Mercer Island homes
Browse every Mercer Island listing and neighborhood guide.
Live NWMLS data
Active Mercer Island vacant land & lots for sale
The latest active NWMLS vacant land & lots in Mercer Island, refreshed hourly.
- Median price
- $2.6M
- Median $/sqft
- $794
- Avg days on market
- 22
- Listings for sale
- 8+
Active33 days on market$1,300,000
MLS# 24927229433 Se 54th Street
Mercer Island, WA 98040
0 bd0 baListing courtesy of eXp Realty
Active4 days on market$825,000
MLS# 248827473 Xx Se 38th Street
Mercer Island, WA 98040
0 bd0 baListing courtesy of Windermere RE/Capitol Hill,Inc
Active4 days on market$785,000
MLS# 247586943 Fernbrook Drive
Mercer Island, WA 98040
0 bd0 baListing courtesy of COMPASS
Active4 days on market$999,999
MLS# 24635097820 W Mercer Way
Mercer Island, WA 98040
0 bd0 baListing courtesy of John L Scott Yakima
Active4 days on market$6,800,000
MLS# 24491527220 N Mercer Way
Mercer Island, WA 98040
0 bd0 baListing courtesy of Wonderland Real Estate
Active4 days on market$1,525,000
MLS# 235294028 Xx 68th Avenue Se
Mercer Island, WA 98040
0 bd0 baListing courtesy of John L. Scott, Inc.
Active4 days on market$399,950
MLS# 23233240 Xx23 91 St Avenue Se
Mercer Island, WA 98040
0 bd0 baListing courtesy of COMPASS
Active4 days on market$299,950
MLS# 23233260 Xxx 91st Avenue Se
Mercer Island, WA 98040
0 bd0 baListing courtesy of COMPASS
Listing data courtesy of NWMLS. Provided for the consumer's personal, non-commercial use. Market stats reflect representative market data for Mercer Island; current listings and individual neighborhoods may vary.
See all vacant land & lots →Ready to find vacant land & lots in Mercer Island?
1,235+ five-star Google reviews. Seattle and the Eastside's most-reviewed brokerage.
Common questions
Mercer Island vacant land & lots FAQ.
- How do I find vacant land for sale in Mercer Island?
- RexMont tracks active and off-market land listings across Mercer Island. Your agent can filter by acreage, zoning, utilities, and price range — and flag parcels before they appear on public search portals.
- Can I finance vacant land with a conventional mortgage?
- Generally no. Raw land requires a specialized land loan or portfolio lender. Down payments are typically 25–50% and terms are shorter. Construction-to-permanent loans are an option if you plan to build immediately.
- What should I look for when buying land in Mercer Island?
- Zoning designation, utility availability, environmental restrictions (wetlands, critical areas), road access, and soil conditions for septic are the five most important factors. Your agent should pull a county GIS overlay before any showing.
- How long does it take to get permits to build on vacant land?
- Permit timelines vary significantly by jurisdiction. Simple single-family residential permits may take 3–6 months. More complex projects or those requiring environmental review can take 12–24 months.