Commercial Real Estate Market in Alton, ME
Updated monthly: sale, lease, property records, location trend, and more… · Last update: August 31
1 active listing and 7 off-market properties in Alton, ME.
Market Trends
Alton, ME spans 122.8 square miles in Penobscot County, Maine. Figures below refresh monthly; last updated 31 August 2026.
Office
Office space in Alton, ME asks $133/SF to buy. Vacancy runs 19.9% across the Northeast region in 2025, up from 13.1% in 2019.
Average Sale Price $/SF
Listings
Vacancy Rate % in Northeast region
Retail
Retail space in Alton, ME asks $76/SF to buy. Vacancy runs 6% across the Northeast region in 2025, little changed from 6% in 2019. Down from a 2020 peak of 7.1%.
Average Sale Price $/SF
Listings
Vacancy Rate % in Northeast region
Industrial
Industrial vacancy in Alton, ME runs 7.6% across the Northeast region in 2025, up from 5.4% in 2019. Nearly 2.4x the 2021 low of 3.2%.
Vacancy Rate % in Northeast region
Multifamily
Multifamily space in Alton, ME asks $174/SF to buy. Vacancy runs 5.6% across the Northeast region in 2025, up from 4% in 2022.
Average Sale Price $/SF
Listings
Vacancy Rate % in Northeast region
Zoning & Land Use
Land Use Mix share of zoned land by category
- Commercial 92.3%
- Residential 7.7%
Largest Zones share of zoned land by district
Rural Residential District
Growth District
Alton, ME zones 27,237 acres across 2 districts. Commercial zoning covers 92.3% of zoned land, residential 7.7%. The largest single district is Rural Residential District at 92.3%. For commercial buyers the practical constraint is that only 92.3% of land carries a commercial or industrial designation.
Rural Residential District (RR)
The purpose of this zoning district is to protect the rural character of the Town, the Town valued natural resources such as forest and agricultural land, and to protect the scenic beauty, contiguous open spaces, quality of ground water, and outdoor opportunities that our residents' value, to allow low density single family and slow growth subdivision develo…
Market overview
Demographics & Economy
Alton, ME has 8,801 residents in 4,664 households. Density runs 72 people per square mile. Median household income here is $51,063 and median gross rent $980 a month.
8,801
Population
4,664
Households
1.9
Avg Household Size
38
Median Age
33%
College-Educated
96%
High-School Grad
122.8 sq mi
ZIP Area
72
Density / Sq Mi
$51,063
Median Household Income
$36,005
Median Earnings
$980
Median Rent
$182,200
Median Home Value
Tools
Nearby Markets
| Market | Average Sale Price, $/SF | Average Lease Price, $/SF/Yr |
|---|---|---|
| Argyle Township | — | — |
| Hudson | — | — |
| Greenbush | — | — |
| Old Town | — | — |
Frequently Asked Questions
What zoning applies to commercial property in Alton?
Alton, ME zones 27,237 acres across 2 districts, of which 92.3% is commercial and 0% industrial. The largest single district is Rural Residential District at 92.3% of zoned land. The purpose of this zoning district is to protect the rural character of the Town, the Town valued natural resources such as forest and agricultural land, and to protect the scenic beauty, contiguous open spaces, quality of ground water, and outdoor opportunities that our residents' value, to allow low density single family and slow growth subdivision develo… Residential zoning covers 7.7% and open space 0%.
Where does Realmo's Alton market data come from?
Realmo compiles Alton, ME figures from 1 active sale listings, 7 tracked off-market properties, the current Alton zoning release. Sale and lease figures refresh monthly; vacancy annually. Last updated 31 August 2026.
Methodology & data sources
- Asking prices and averages
- Computed from 1 active for-sale and 0 active for-lease listings in Alton, ME. These are ASKING figures from live listings, not closed-transaction prices, and a segment carried by a handful of listings reads as indicative rather than an average.
- Vacancy rates
- Published per-sector market series, taken at the metro level where one exists and otherwise at the Census-region level — a chart reading "in <region> region" is a regional number, not this city's.
- Zoning and land use
- The current municipal zoning release: 27,237 zoned acres across 2 districts. Shares are of zoned land, so parcels the release leaves unclassified are excluded from the mix.
- Refresh
- The monthly aggregates close at the end of the previous month, so 31 August 2026 — not today — is the honest last update.
- Known limitations
- office vacancy is reported at Northeast region level, retail vacancy is reported at Northeast region level and industrial vacancy is reported at Northeast region level.
- Coverage
- Metrics below the 10-observation threshold fall back one geographic level. The geography used is named on each figure.
Compiled by the Realmo Data team · reviewed 31 August 2026 · report a data issue
