New construction for Sale in Mercer Island, WA
6 homes for sale in Mercer Island, WA, priced from $3,398,000 to $17,900,000.
- 6 for sale
- $3.4M–$17.9M price range
6 homes The market
How Mercer Island is selling.
NWMLS data as of Nov 2, 2026
- Median sold price, last 90 days
- $2.32M
- Homes sold, last 90 days
- 54
- Median days active
- 12
- Sale-to-list price
- 97.7%
- Months of supply, a balanced market
- 4.1
- Median price, year over year
- −1.8%
New construction in Mercer Island.
Questions people ask about Mercer Island.
- How many homes are for sale in Mercer Island?
- There are 6 homes for sale in Mercer Island, WA right now, updated from the NWMLS feed.
- What do homes in Mercer Island cost?
- Listings range from $3,398,000 to $17,900,000, and the median list price is $4,995,000.
- How fast do homes sell in Mercer Island?
- Over the last 90 days 54 homes sold in Mercer Island in a median of 12 days, at a median of $2,322,500.
Thinking about Mercer Island?
Talk it through with someone who knows it.
Find your person 
Listing information provided by Northwest Multiple Listing Service (NWMLS). Properties displayed may be listed or sold by various participants in the MLS.