Zip lookup · WA

99402
Asotin, Washington.

Asotin, Asotin County, WA · Lewiston, ID-WA metro · population 1,557

What it costs per month · 99402 $2,082/mo

to buy the typical home at today's mortgage rate — +$1,072 (+106%) since Jan 2020.

What the home itself did
1 year
Down $3,323 -1%
$399,959$396,636 since Sep 2025
5 years
Up $54,454 +16%
$342,183$396,636 since Sep 2021

Monthly payment to buy the typical home

Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.

$500 $1,000 $1,500 $2,000 2002 2006 2010 2014 2018 2022 2026 99402 $2,082 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 99402$2,082
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 23 years.

Typical home values in zip 99402 fell 0.8% over the past year — slower than the nation's +1.2%.

Zillow also publishes an index for the city itself: Asotin, WA — measured over the city limits, which is a different area from this zip.

Typical home value $396,636 as of Sep 2026
-0.8%year on year

Typical home value — 99402

Mid-tier homes, smoothed and seasonally adjusted.

$200,000 $300,000 $400,000 2018 2020 2022 2024 2026 99402 $396,636 Lewiston $373,980 United States $366,157
$200,000 $300,000 $400,000 2018 2022 2026
  • 99402$396,636
  • Lewiston$373,980
  • United States$366,157

Within 20 miles

Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.