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Rent in Mercer Island, WA

A 2-bedroom in Mercer Island, WA (ZIP 98040) typically rents for about $2,970 a month, with a range of $2,929–$3,010. Owner-occupied homes in King County pay about 0.83% of their value a year in property tax, and the 30-year fixed mortgage rate averaged 7.32% in the week of Oct 22, 2026.

Rent by bedrooms

Typical monthly rent in Mercer Island, WA by bedrooms
SizeTypicalRange across ZIPsZIPs
Studio$2,313$2,156–$2,4701
1 bed$2,416$2,261–$2,5701
2 beds$2,970$2,929–$3,0101
3 beds$3,710$3,500–$3,9201
4 beds$4,085$3,500–$4,6701

Typical = median of each ZIP's best guess. Gross rent (rent plus tenant-paid utilities). Sources: HUD Small Area Fair Market Rents (Oct 1, 2026) and Census ACS 5-year median gross rent (Dec 31, 2024).

Mercer Island ZIP codes

2 beds

Frequently asked questions

What is the average rent for a 2-bedroom in Mercer Island, WA?
About $2,970 a month: the median of the typical rents in 1 ZIP code, which range from $2,929–$3,010. Figures are gross rent (rent plus tenant-paid utilities).
What is the average rent for a 1-bedroom in Mercer Island, WA?
About $2,416 a month: the median of the typical rents in 1 ZIP code, which range from $2,261–$2,570. Figures are gross rent (rent plus tenant-paid utilities).
What is the average rent for a 3-bedroom in Mercer Island, WA?
About $3,710 a month: the median of the typical rents in 1 ZIP code, which range from $3,500–$3,920. Figures are gross rent (rent plus tenant-paid utilities).
What is the average rent for a studio in Mercer Island, WA?
About $2,313 a month: the median of the typical rents in 1 ZIP code, which range from $2,156–$2,470. Figures are gross rent (rent plus tenant-paid utilities).
What is the average rent for a 4-bedroom in Mercer Island, WA?
About $4,085 a month: the median of the typical rents in 1 ZIP code, which range from $3,500–$4,670. Figures are gross rent (rent plus tenant-paid utilities).
What is the property tax rate in Mercer Island, WA?
Owner-occupied homes in King County pay a typical 0.83% of their value a year (Census ACS, median taxes paid ÷ median home value, Dec 31, 2024). Investors often pay more after a purchase: the home is reassessed at the sale price and there is no homestead exemption.
What is the current 30-year mortgage rate?
The 30-year fixed rate averaged 7.32% in the week of Oct 22, 2026 (Freddie Mac PMMS via FRED). It's a national average for owner-occupied loans; investment property loans usually cost more.
Where do these Mercer Island rent figures come from?
HUD Small Area Fair Market Rents (Oct 1, 2026) and Census ACS 5-year median gross rent (Dec 31, 2024).