Two-Unit Duplex with Garage
New
For Sale
$620,000
143 Summer Street, Kennebunk, ME 04043
Multi-Family, Kennebunk, ME
Property Size3,152 SF
Lot Size0.48 Acres
Price / SF$196.70
Days on Market3
Property Features for 143 Summer Street
General Information
Property type
Residential Multi Family
Property subtype
Other
Zoning
SR
Bathrooms
2
Full bathrooms
2
Rooms
Bathroom 2, Bathroom 1, Basement
Interior features
In-Law Apartment, Shower, Storage
Basement
Sump Pump, Full, Unfinished
Lot features
Sidewalks, Historic District, Near Public Beach, Near Shopping, Near Town
Standard status
Active
Size
3,152 SF
Lot size
0.48 Acres
Taxes and HOA fees
Tax Year
2025
Tax Annual Amount
6185
Utilities
Sewer type
Septic Tank, Private Sewer
Heating system
Baseboard, Electric (Heating), Kerosene
Water source
Public
Amenities
woodstove
raised garden beds
Building Details
Year built
1880
Number of units
2
Flooring type
Wood, Carpet
Building materials
Wood Frame, Clapboard
Roof type
Shingle
Architectural style
Cape Cod
Additional Structures
Storage
Listing Agency:
Portside Real Estate Group
(207) 204-0465
Listed By:
Catie-An Seavey
(207) 251-1285
Added: Oct 13
Last Checked: Oct 15 at 6:06AM
MLS# 1678733
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 3,152-square-foot duplex sits on a 0.48-acre parcel in Kennebunk’s Historic District. The primary residence has three bedrooms and 1.5 bathrooms, while a two-bedroom, one-bathroom apartment occupies the second floor of the detached two-car garage. The house was built in 1880 and includes wood flooring, a woodstove, and raised garden beds. Recent interior paint and new upstairs carpeting are also noted.
Sidewalks connect the property with Downtown Kennebunk, Lower Village, and the beaches. The parcel overlooks Moulton Farm and is zoned SR.
Sidewalks connect the property with Downtown Kennebunk, Lower Village, and the beaches. The parcel overlooks Moulton Farm and is zoned SR.
Key Highlights
- Two dwellings: a three‑bedroom, 1.5‑bathroom main residence and a two‑bedroom, one‑bathroom apartment
- 3,152 square feet on a 0.48‑acre lot
- Detached two‑car garage with apartment on the second floor
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$53,358
Cap Rate
8.61%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,067,160
$1.1M
Cap Rate 7%
$762,257
$762.3K
Cap Rate 9%
$592,867
$592.9K
Market Conditions
NOI Build-Up for 3,152 SF
Gross rent
$80.2K $25.44/SF
− Vacancy
−$4.0K −$1.26/SF
EGI
$76.2K $24.18/SF
− OpEx
−$22.9K −$7.25/SF
NOI
$53.4K $16.93/SF
Area
York County, ME
Vacancy
4.94%
Lease Rate
$25.44 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,067,160
Cap Rate 7%
$762,257
Cap Rate 9%
$592,867
Alternative Uses
Best Use
Multifamily LT 5
$762.3K
$667.0K – $889.3K
NOI $53,358 @ 7.0% cap · market cap 8.61%
Second Best
Apartment 5plus
$695.9K
$608.9K – $811.9K
NOI $48,712 @ 7.0% cap · market cap 7.86%
Theoretical Best
Office A
$999.2K
$874.3K – $1.17M
NOI $69,942 @ 7.0% cap · market cap 11.28%
Zoning and permitted uses should be independently verified with authorities.
How Realmo checks its estimates
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Current Use
Lease Details
2
Residential units
Location Intelligence
Trade Area within ½ mile
43
Businesses Nearby
Explore this area
Business Placement
Demographics for 04043, ME
11,536
Population
6,243
Households
1.8
Avg Household Size
52
Median Age
50%
College-Educated
97%
High-School Grad
35.1 sq mi
ZIP Area
329
Density / Sq Mi
$101,204
Median Household Income
$53,283
Median Earnings
$1,405
Median Rent
$460,600
Median Home Value
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Cap Rate, Value Estimation, Potential NOI and more
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Market
Vacancy Rate% for Multifamily in Northeast region
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Frequently Asked Questions
What type of property is this?
Duplex - A separate apartment above the garage adds a second residence with its own two-bedroom layout.
Where is this duplex located?
The property is located at 143 Summer Street Kennebunk, ME.
What is the asking price?
The asking price for this property is $620,000.
What are key features of this property?
This property features: Two dwellings: a three‑bedroom, 1.5‑bathroom main residence and a two‑bedroom, one‑bathroom apartment; 3,152 square feet on a 0.48‑acre lot; Detached two‑car garage with apartment on the second floor
