ZIP 04039

ZIP 04039 is in the Portland-South Portland, ME market. Market numbers below; the ZIP's rank is on the map.

Median cap rate

: 2.5%.

Median IRR

: 4.6%.

Median list price

: $679,900.

Appreciation

: 4.6%/yr .

Rent growth

: 3.6%/yr .

Sources: FHFA House Price Index® (developmental annual index), U.S. Census Bureau ACS 5-year estimates, and Rescover analysis of public listings under system-default underwriting, updated September 2026.