Zip lookup · WA

99171
Saint John, Washington.

Saint John, Whitman County, WA · Pullman, WA metro · population 895

What it costs per month · 99171 $1,459/mo

to buy the typical home at today's mortgage rate — +$865 (+145%) since Jan 2020.

What the home itself did
1 year
Up $25,322 +10%
$252,729$278,051 since Sep 2025
5 years
Up $64,181 +30%
$213,870$278,051 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 99171 $1,459 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 99171$1,459
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 13 years.

Typical home values in zip 99171 rose 10.0% over the past year — faster than the nation's +1.2%.

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

Typical home value $278,051 as of Sep 2026
+10.0%year on year

Typical home value — 99171

Mid-tier homes, smoothed and seasonally adjusted.

$150,000 $200,000 $250,000 $300,000 $350,000 2018 2020 2022 2024 2026 99171 $278,051 Pullman $324,429 United States $366,157
$150,000 $200,000 $250,000 $300,000 $350,000 2018 2022 2026
  • 99171$278,051
  • Pullman$324,429
  • United States$366,157

Within 20 miles

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