Mercer Island WA
196 active listings out of 9.2K total properties we track across 12 Mercer Island ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
Download Mercer Island, WA property data
3,288,578 property records for all of Washington — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.
Files are published by ZIP, county and state; this city is inside the state file.
Monthly snapshot · 325.0 MB Parquet · CSV (584.2 MB)
Records keep changing after a snapshot is compiled.
Rebuilt every day · same columns, same file layout
While you're here, take in the bigger picture — maps below show Seattle metro, not just Mercer Island. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 196 currently-active listings in Mercer Island, WA. Full dataset covers 9.2K properties — listings, off-market homes, rentals, and full history.
ZIP codes in Mercer Island
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other Washington cities within driving distance.
Get Mercer Island, WA data in your app
GET https://api.straply.com/v1/markets/city/mercer-island-wa
Authorization: Bearer $STRAPLY_KEY{
"city": "mercer-island-wa",
"total_tracked": 9208,
"active": 196,
"median_list": 2495000
}Mercer Island, WA real estate: market summary
As of November 2026, Straply tracks 9,208 homes in Mercer Island, WA, with 196 active for sale at a median list price of $2,495,000 (~$790/sq ft). Notably, home prices are climbing — the median sale price is up 22% year over year.
- Median list price
- $2,495,000
- Median $/sq ft
- $790
- Active listings
- 196
- Median sale price
- $2,675,000 (+22% YoY)
- Properties tracked
- 9,208
Frequently asked: Mercer Island, WA real estate
What is the median home price in Mercer Island?
The median list price in Mercer Island, WA is $2,495,000 (about $790 per square foot), based on 196 active listings tracked by Straply as of November 2026.
What price range are homes in Mercer Island?
Active listings in Mercer Island, WA concentrate in: 64% $2m+ and 20% $1m–$2m.
Are home prices in Mercer Island going up or down?
The median sale price is $2,675,000, up 22% year over year. Straply tracked 211 sales here over the past 12 months.
How many homes are for sale in Mercer Island?
Straply is tracking 196 active listings in Mercer Island, WA out of 9,208 properties on record as of November 2026.
How old are the homes in Mercer Island?
Most homes in Mercer Island, WA were built in the 1960s. About 33% were built after 1980. The newest tracked home dates to 2026.
What types of homes are in Mercer Island?
Mercer Island, WA is mostly single-family homes (83% of listings). Also common: condos 12%.
How many bedrooms do homes in Mercer Island typically have?
The most common size in Mercer Island, WA is 4 bd.
What areas are near Mercer Island?
Nearby markets Straply also tracks include Redmond, Newcastle, Bellevue, Medina.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.