Market Intelligence · WA / King County
Mercer Island, WA housing market
The median home value in Mercer Island, WA is $2.26M as of August 2026, down 0.8% year over year, according to Zillow ZHVI. Get your own home's value and a real cash offer in about two minutes, with sources shown and no obligation.
Get a cash offer
Sell without the wait
Sell your Mercer Island home for cash.
A competitive, no-obligation cash offer from our institutional network. No repairs, no showings, close on your timeline. Most sellers get their cash offer within 24 hours.
The coverage
Mercer Island, by the numbers.
- Typical home valueZillow ZHVI, August 2026
- $2.26M
- 1-yr changeMedian across Mercer Island ZIPs
- -0.8%
- ZIP markets live
- 1
- County
- King County
Need cash home buyers on your timeline? Sell my house fast in Mercer Island.
12-month value trend
-0.8% over 12 months
Aug 2025$2.28M
Low $2.25MHigh $2.31M
Aug 2026$2.26M
Median Zillow home value index across Mercer Island's ZIP codes.