Washington

Columbia County

ZIP 99359

3,996 residents6 permits TTM$71,528 median HHI2 ZIP codesUpdated April 16, 2026
Investor first look

Median home value

$256,100

ACS 5-Year

Cap rate proxy

4.4%

FMR × 0.65 ÷ Home Value

Rent-to-income

15.8%

HUD FMR ÷ ACS HHI

Net migration

+1.23%

IRS SOI

Permits (TTM)

6

Census BPS

Climate risk

8.6

FEMA NRI (0–100)

ZIP 99359

Median home value

$256,100

Gross yield

4.9%

Cap rate

4.4%

Rent gap

10.3%

Affordability

P/I: 3.6R/I:

Section 8 detail

SAFMR: $1,052Rent: $944Gap: 11.4%
ZIP code breakdown2 ZIP codes

Numbers repeat across most ZIPs in this county

ZIP-level home-value data isn't published for rural areas. Federal sources (Census ACS, HUD non-metro FMR) are available at the county level only, so home-value, cap-rate, and rent-gap numbers use the county estimate for every ZIP in the county.

ZIPMedian home valueRent (FMR 2BR)Gross yieldCap rateRent gap
99359$256,100county est.$1,0524.9%4.4%10.3%
99328$261,796$1,0524.8%4.3%10.3%

Sort by any column. Click a ZIP for detail. Rent gap: green = HUD FMR above market rent.

Demographics

Owner-occupied

77.9%

Census ACS

Vacancy rate

14.7%

Census ACS

Bachelor's degree +

27.2%

Census ACS

Rent burdened

28.4%

Census ACS (>30% income)

Median age

52.1

Census ACS

Data sources
U.S. Census Bureau — American Community Survey 5-Year Estimates
U.S. Census Bureau — Building Permits Survey
U.S. Department of Housing and Urban Development — Fair Market Rents / Small Area Fair Market Rents (SAFMR)
Internal Revenue Service — Statistics of Income Migration Data
FEMA — National Risk Index
Last updated: April 16, 2026