Quadplex Building with Street-Corner
For Sale
$1,495,000
3 Main Street, Castine, ME 04421
COMMERCIAL - Castine, ME
Property Size5,000 SF
Lot Size0.10 Acres
Price / SF$299
Days on Market220
Property Features for 3 Main Street
General Information
Property type
Commercial Sale
Property subtype
Other
Zoning
Commercial
Rooms
Basement
Parking features
None
Basement
Unfinished, Partial
Lot features
Water View, Business District, Near Shopping
Standard status
Active
Size
5,000 SF
Lot size
0.10 Acres
Taxes and HOA fees
Tax Year
2023
Tax Annual Amount
4451
Utilities
Sewer type
Public Sewer
Heating system
Heat Pump (Heating)
Water source
Public
Building Details
Flooring type
Wood, Vinyl
Building materials
Clapboard
Roof type
Shingle
Listing Agency:
Saltmeadow Properties, Inc.
(207) 326-9116
Listed By:
Karen Koos
(207) 266-2134
Added: Jan 7
Changed: Aug 4
Last Checked: Aug 15 at 10:06PM
MLS# 1607988
Copyright © 2026 Maine Listings. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Investment Insights
Based on property information with market context.
This quadplex building is configured with three commercial spaces on the ground level and four residential units on the top two floors. The property offers the new owner flexibility, including the option of providing an exclusive owner’s unit while collecting passive income from the other rental units. The building includes a basement, clapboard construction, vinyl and wood flooring, heat pump heating, and a shingle roof. Public water and public sewer service are available.
The building is situated on the corner of Main Street and Water Street in Castine, positioned as a hub of the village. It is described as having visibility from the town dock and Main Street.
With a total property size of 5,000 square feet on a 0.1-acre lot, the offering combines established commercial tenancy with residential income within a single historic structure that has stood since 1765.
The building is situated on the corner of Main Street and Water Street in Castine, positioned as a hub of the village. It is described as having visibility from the town dock and Main Street.
With a total property size of 5,000 square feet on a 0.1-acre lot, the offering combines established commercial tenancy with residential income within a single historic structure that has stood since 1765.
Key Highlights
- 3 commercial spaces with 4 residential units on the top two floors
- Clapboard construction and shingle roof with a basement
- Heat pump heating and vinyl/wood flooring
Property Analytics
Property Profile
Current Use
Lease Details
Multi-tenant
Tenancy
Yes
Paved road access
Location Intelligence
Trade Area within ½ mile
128
Businesses Nearby
Explore this area
Business Placement
Demographics for 04421, ME
1,320
Population
694
Households
1.9
Avg Household Size
27
Median Age
76%
College-Educated
100%
High-School Grad
7.8 sq mi
ZIP Area
169
Density / Sq Mi
$111,500
Median Household Income
$9,794
Median Earnings
$1,028
Median Rent
$557,700
Median Home Value
Market
Vacancy Rate% for Multifamily in Northeast region
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Quadplex - Mixed-use quadplex with three commercial spaces and four residential units, set on a street corner with public utilities.
Where is this quadplex located?
The property is located at 3 Main Street Castine, ME.
What is the asking price?
The asking price for this property is $1,495,000.
What are key features of this property?
This property features: 3 commercial spaces with 4 residential units on the top two floors; Clapboard construction and shingle roof with a basement; Heat pump heating and vinyl/wood flooring
