Rental Markets in Maine

DoorBase tracks rental market data across Maine by ZIP code. This state page is a crawlable index for investors comparing rents, cap-rate estimates, vacancy, demographics, home values, renter share, household income, and employment conditions before drilling into individual ZIP pages.

Maine Rental Market Overview

The current sample of indexable Maine ZIP markets shows average median rent of $1,624, average median home value of $428,139, average cap-rate high of 3.6%, average vacancy of 14.4%, renter ratio near 25.7%, and median household income around $78,486. These statewide figures are directional and should be used to compare markets before reviewing a specific ZIP code.

Maine is not one rental market. Large cities, inner suburbs, commuter towns, college markets, rural counties, resort areas, and industrial corridors can produce very different rent levels and ownership economics. DoorBase keeps the canonical content at the ZIP level so investors can move from a broad state view into the most precise local data available.

Featured Maine ZIP Markets

ZIP	City	Rent	Cap Rate	Vacancy	Population
04401	Bangor	$1,520	2.8-4.4%	8.8%	44,418
04240	Lewiston	$1,471	2.8-4.4%	6.5%	37,886
04103	Portland	$2,624	2.8-4.4%	6.8%	31,705
04901	Waterville	$1,375	2.8-4.4%	6.9%	27,431
04106	South Portland	$2,492	2.6-4.2%	4.6%	26,966
04330	Augusta	$1,573	3-4.6%	7.4%	26,517
04005	Biddeford	$1,973	2-3.6%	9.3%	24,698
04210	Auburn	$1,658	2.9-4.5%	6.1%	24,294
04074	Scarborough	$2,683	2-3.6%	10.7%	22,527
04011	Brunswick	$2,169	2.3-3.9%	7.3%	22,081
04072	Saco	$2,016	2-3.6%	8%	20,636
04092	Westbrook	$2,390	3-4.6%	5%	20,484
04062	Windham	$2,350	2.6-4.2%	9.8%	19,041
04038	Gorham	$2,317	2.3-3.9%	3.4%	18,192
04101	Portland	$2,327	1.8-3.4%	10.3%	18,128
04102	Portland	$2,483	2.5-4.1%	5.7%	17,642
04073	Sanford	$1,768	2.6-4.2%	6.9%	17,385
04605	Ellsworth	$1,895	3.1-4.7%	31.5%	14,695
04105	Falmouth	$3,011	1.6-3.2%	6.1%	12,557
04345	Gardiner	$1,523	2.7-4.3%	8%	12,363
04043	Kennebunk	$2,669	2.3-3.9%	15.8%	11,692
04530	Bath	$1,886	2.5-4.1%	11.9%	11,564
04090	Wells	$2,079	1.7-3.3%	47.8%	11,544
03909	York	$2,603	1.7-3.3%	35.9%	11,021
04938	Farmington	$910	1.6-3.2%	19%	10,368
04976	Skowhegan	$869	1.9-3.5%	8.4%	10,117
04730	Houlton	$701	2.3-3.9%	13.8%	10,062
04412	Brewer	$1,467	2.7-4.3%	2.7%	9,654
04086	Topsham	$1,850	2-3.6%	7.6%	9,644
04107	Cape Elizabeth	$3,217	1.8-3.4%	5.2%	9,581
04444	Hampden	$1,204	1.6-3.2%	7.9%	9,322
04468	Old Town	$1,717	4-5.6%	15.1%	9,163
04736	Caribou	$696	2.2-3.8%	11.4%	9,107
04915	Belfast	$1,493	2-3.6%	19.6%	9,030
04096	Yarmouth	$2,535	1.6-3.2%	4.2%	9,006
04032	Freeport	$2,515	1.8-3.4%	13.7%	8,736
04769	Presque Isle	$1,025	3.3-4.9%	11.4%	8,736
04064	Old Orchard Beach	$1,984	2-3.6%	28.4%	8,585
04093	Buxton	$1,413	1.3-2.9%	10.4%	8,451
04473	Orono	$1,625	2.9-4.5%	7.5%	8,383
03904	Kittery	$2,402	1.8-3.4%	7.2%	8,310
03901	Berwick	$2,200	2.5-4.1%	3.3%	8,094
04046	Kennebunkport	$2,442	1.5-3.1%	28.2%	8,035
04039	Gray	$2,075	2.1-3.7%	16.3%	8,004
04002	Alfred	$784	0.4-2%	15.2%	7,695
04084	Standish	$2,400	2.9-4.5%	26.7%	7,695
03908	South Berwick	$2,200	2.2-3.8%	11%	7,384
04963	Oakland	$885	1-2.6%	24.8%	7,375
04841	Rockland	$1,719	2.8-4.4%	16.9%	6,991
03903	Eliot	$1,837	1.4-3%	8.4%	6,978
04280	Sabattus	$1,029	1.3-2.9%	9.1%	6,886
04027	Lebanon	$1,237	1.4-3%	7.9%	6,569
04937	Fairfield	$1,288	3-4.6%	7.2%	6,411
04270	Oxford	$1,262	2-3.6%	26.8%	6,200
04364	Winthrop	$1,900	3.2-4.8%	22.7%	6,153
04274	Poland	$1,149	1.3-2.9%	16.1%	5,920
04276	Rumford	$1,050	3.4-5%	25.1%	5,918
04282	Turner	$588	0.3-1.9%	8%	5,852
04457	Lincoln	$647	1.2-2.8%	21.5%	5,755
04260	New Gloucester	$1,270	1.3-2.9%	6.7%	5,733

Notable ZIP Markets in This Sample

The highest estimated cap-rate band in this sample tops out at 5.6% in ZIP 04468 (Old Town).

The lowest vacancy in this sample is 2.1% in ZIP 04252 (Lisbon Falls).

The highest median rent in this sample is $3,217 in ZIP 04107 (Cape Elizabeth).

The highest median household income in this sample is $145,464 in ZIP 04107 (Cape Elizabeth).

Rental Markets by City

Portland

Portland has 3 ZIP codes in this sample. Median rents range from $2,327 to $2,624. Estimated cap-rate bands reach up to 4.4% at the high end. Vacancy averages 7.6%. See ZIP 04103 for the full market profile.

Bangor

Bangor has 1 ZIP code in this sample. Sample median rent is $1,520. Estimated cap-rate bands reach up to 4.4% at the high end. Vacancy averages 8.8%. See ZIP 04401 for the full market profile.

Lewiston

Lewiston has 1 ZIP code in this sample. Sample median rent is $1,471. Estimated cap-rate bands reach up to 4.4% at the high end. Vacancy averages 6.5%. See ZIP 04240 for the full market profile.

Waterville

Waterville has 1 ZIP code in this sample. Sample median rent is $1,375. Estimated cap-rate bands reach up to 4.4% at the high end. Vacancy averages 6.9%. See ZIP 04901 for the full market profile.

South Portland

South Portland has 1 ZIP code in this sample. Sample median rent is $2,492. Estimated cap-rate bands reach up to 4.2% at the high end. Vacancy averages 4.6%. See ZIP 04106 for the full market profile.

Augusta

Augusta has 1 ZIP code in this sample. Sample median rent is $1,573. Estimated cap-rate bands reach up to 4.6% at the high end. Vacancy averages 7.4%. See ZIP 04330 for the full market profile.

Biddeford

Biddeford has 1 ZIP code in this sample. Sample median rent is $1,973. Estimated cap-rate bands reach up to 3.6% at the high end. Vacancy averages 9.3%. See ZIP 04005 for the full market profile.

Auburn

Auburn has 1 ZIP code in this sample. Sample median rent is $1,658. Estimated cap-rate bands reach up to 4.5% at the high end. Vacancy averages 6.1%. See ZIP 04210 for the full market profile.

Scarborough

Scarborough has 1 ZIP code in this sample. Sample median rent is $2,683. Estimated cap-rate bands reach up to 3.6% at the high end. Vacancy averages 10.7%. See ZIP 04074 for the full market profile.

Brunswick

Brunswick has 1 ZIP code in this sample. Sample median rent is $2,169. Estimated cap-rate bands reach up to 3.9% at the high end. Vacancy averages 7.3%. See ZIP 04011 for the full market profile.

Saco

Saco has 1 ZIP code in this sample. Sample median rent is $2,016. Estimated cap-rate bands reach up to 3.6% at the high end. Vacancy averages 8.0%. See ZIP 04072 for the full market profile.

Westbrook

Westbrook has 1 ZIP code in this sample. Sample median rent is $2,390. Estimated cap-rate bands reach up to 4.6% at the high end. Vacancy averages 5.0%. See ZIP 04092 for the full market profile.

How to Use the Maine Directory

Start with the state page to understand the range of rental markets, then open individual ZIP pages for the numbers that matter most to underwriting. A state average can hide important local differences. One ZIP may have stronger rent growth and lower vacancy while a nearby ZIP has better purchase prices but weaker renter demand.

The most useful investor workflow is to compare rent, cap rate, vacancy, home value, renter ratio, household income, population growth, unemployment, and job growth together. No single number is enough. A high cap-rate estimate can be offset by weak income, high vacancy, or limited tenant demand. A lower cap-rate estimate can still make sense if the market has strong income, job growth, and durable renter demand.

State Coverage and Internal Links

This page links into the canonical ZIP URL structure, such as /rentals/me/30318, without bringing back city parent pages. That structure keeps DoorBase clean for search engines: state pages organize the directory, ZIP pages hold the canonical data, and future market guides can exist separately as heavier editorial SEO hubs.

DoorBase currently tracks 80 sampled ZIP markets across 78 Maine cities in this crawlable state summary. The live React page may show a broader interactive directory after JavaScript loads, while this fallback body ensures crawlers receive meaningful text and links immediately.