Exceptional multifamily investment opportunity in the heart of Rockland. 100 Union Street is an eight-unit apartment building comprised of seven one-bedroom units and one two-bedroom unit, ideally situated just moments from downtown Rockland's thriving waterfront, restaurants, retail, and employment centers.
The property features attractive, well-maintained renovated units with numerous updates, offering investors a stable asset in one of Midcoast Maine's strongest and most desirable rental markets. Current rents provide the opportunity for future growth, allowing investors to realize additional value through strategic rent increases while benefiting from existing cash flow.
Located in a highly walkable neighborhood with strong tenant demand, 100 Union Street offers an appealing combination of location, quality, and upside potential. The property's proximity to downtown amenities, healthcare services, and major employers continues to support long-term occupancy and rental growth.
100 Union Street is being offered as part of a larger three-building, 27 unit, Rockland multifamily portfolio, with all properties located in close proximity to one another. Investors have the opportunity to acquire an individual asset or pursue additional scale through the portfolio offering.
A rare opportunity to acquire a well-positioned multifamily property in a supply-constrained market with both immediate income and long-term upside.
Active
$999,990
100 Union Street, Rockland, ME 04841
9beds
7,324sqft
Multi Family
Built in 1860
-- sqft lot
$947,200 Zestimate®
$137/sqft
$-- HOA
What's special
Numerous updatesAttractive well-maintained renovated units
- 18 days |
- 263 |
- 5 |
Zillow last checked:
Listing updated:
Listed by:
Keller Williams Realty
Source: Maine Listings,MLS#: 1667181
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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 9
- Bathrooms: 8
- Full bathrooms: 8
Heating
- Hot Water
Cooling
- Central Air
Features
- Flooring: Wood
- Basement: Exterior Entry,None
Interior area
- Total structure area: 7,324
- Total interior livable area: 7,324 sqft
- Finished area above ground: 7,324
- Finished area below ground: 0
Property
Parking
- Parking features: Paved, 5 - 10 Spaces
- Has attached garage: Yes
Lot
- Size: 7,840 Square Feet
- Features: Business District, City Lot, Open Lot
Details
- Parcel number: 100UNIONSTREET00ROCKLAND2201213
- Zoning: 00
Construction
Type & style
- Home type: MultiFamily
- Architectural style: Other
- Property subtype: Multi Family
Materials
- Wood Frame, Composition, Vinyl Siding
- Foundation: Other
- Roof: Composition,Other
Condition
- Year built: 1860
Utilities & green energy
- Electric: Unknown
- Sewer: Unknown
- Water: Unknown
Community & HOA
Location
- Region: Rockland
Financial & listing details
- Price per square foot: $137/sqft
- Annual tax amount: $12,012
- Date on market: 6/14/2026
- Road surface type: Paved
Estimated market value
$947,200
$900,000 - $995,000
$1,343/mo
Price history
| Date | Event | Price |
|---|---|---|
| 6/14/2026 | Listed for sale | $999,990$137/sqft |
Source: | ||
Public tax history
Tax history is unavailable.
Monthly payment
Est. payment$--/mo
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
See how much you could borrow to make a competitive offer.
Climate risks
Neighborhood: 04841
Nearby schools
GreatSchools rating
- 5/10South SchoolGrades: PK-5Distance: 0.8 mi
- 6/10Oceanside Middle SchoolGrades: 6-8Distance: 4.1 mi
- 3/10Oceanside High SchoolGrades: 9-12Distance: 0.7 mi
A local agent can set up tours, give advice and negotiate with sellers.
- Maine
- Knox County
- Rockland
- 04841
- 100 Union Street







