Maine

Washington County

ZIP 04631

31,261 residents94 permits TTM$52,237 median HHI31 ZIP codesUpdated April 16, 2026
Investor first look

Median home value

$147,100

ACS 5-Year

Cap rate proxy

6.3%

FMR × 0.65 ÷ Home Value

Rent-to-income

17.6%

HUD FMR ÷ ACS HHI

Net migration

+0.65%

IRS SOI

Permits (TTM)

94

Census BPS

Climate risk

47.6

FEMA NRI (0–100)

ZIP 04631

Median home value

$229,890

Gross yield

6.5%

Cap rate

4.0%

Rent gap

38.7%

Affordability

P/I: 4.4R/I:

Section 8 detail

SAFMR: $1,252Rent: $768Gap: 63.0%
ZIP code breakdown31 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
04413$147,100county est.$1,25210.2%6.3%38.7%
04424$147,100county est.$1,25210.2%6.3%38.7%
04454$147,100county est.$1,25210.2%6.3%38.7%
04490$147,100county est.$1,25210.2%6.3%38.7%
04491$147,100county est.$1,25210.2%6.3%38.7%

Ranked by composite score

ZIP comparison table. Showing 5 of 31 ZIPs. Sign up to see all.

Demographics

Owner-occupied

78.1%

Census ACS

Vacancy rate

35.5%

Census ACS

Bachelor's degree +

24.9%

Census ACS

Rent burdened

42.6%

Census ACS (>30% income)

Median age

48.6

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