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Restored Mill Multifamily Property

21 Mill Road Falmouth, ME 04105

21 Mill Road, Falmouth, ME, 04105
$1,200,000
For Sale
$1,200,000

MULTI_FAMILY - Colonial - Falmouth, ME

Property Size2,400 SF
Lot Size0.27 Acres
Price / SF$500
Days on Market91

Property Features for 21 Mill Road

General Information

Property type
Residential Multi Family
Property subtype
Other
Property condition
Under Construction
Zoning
Res
Bathrooms
3
Rooms
Bathroom 2, Bathroom 3, Bathroom 1
Parking features
Open, Underground/Basement
Patio and Porch features
Deck, Patio
Pets allowed
No
Interior features
In-Law Apartment
Appliances
Tankless Water Heater
Standard status
Active
Size
2,400 SF
Lot size
0.27 Acres

Taxes and HOA fees

Tax Year
2025
Tax Annual Amount
5641

Utilities

Sewer type
Public Sewer
Heating system
Natural Gas, Wood, Wood Stove
Water source
Public
Water front features
Stream
Water front
1

Building Details

Year built
1890
Floors in Building
2
Number of units
3
Flooring type
Wood, Laminate, Carpet
Building materials
Wood Frame, Vinyl Siding
Roof type
Shingle
Architectural style
Colonial
Listing Agency www.HomeZu.com
45 Eisenhower Drive, Boston, ME
Listed by Jason Saphire · License #9086666
Added: Apr 17 Checked: Jul 16 at 10:06 pm
MLS# 1642972 Listing URL

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 multifamily property features a restored mill with a two-bedroom main dwelling unit, an additional dwelling unit (ADU), and separate guest quarters. The property is situated on 0.27 acres along the banks of the Piscataqua River in Falmouth, Maine. The building size is approximately 2400 square feet. Its location offers proximity to I-95, schools, and golf courses. The property is zoned for residential use.

Key Highlights

  • Restored mill property with a 2‑bedroom main dwelling unit plus an ADU and separate guest quarters
  • Situated on the banks of a stream (Piscataqua River per remarks)
  • Includes in‑law apartment (ADU) and separate guest quarters

Local Financial Insights For Apartment 5plus

Simulate Cap Rate and NOI

NOI Build-Up
Vacancy
income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
EGI (Effective Gross Income)
gross rent minus vacancy losses — the realistic income before paying operating costs.
OpEx (Operating Expenses)
recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
NOI (Net Operating Income)
income a property generates after operating costs but before financing and taxes.

Component $ $/SF
Gross rent $76.3k $31.80
− Vacancy −$4.6k −$1.91
EGI $71.7k $29.89
− OpEx −$32.3k −$13.45
NOI $39.5k $16.44
2,400 SF · lease $31.80/SF/yr · vacancy 6.00% · expense 45.00%

Alternative Uses

Best Use
Apartment 5plus
$563.7K
$493.2K – $657.6K (±1% cap)
NOI $39,457 @ 7.0% cap · market cap 3.29%
Second Best
—
—
no second resolved use
Theoretical Best
Office A
$659.6K
$577.2K – $769.6K (±1% cap)
NOI $46,175 @ 7.0% cap · market cap 3.85%
Zoning and permitted uses should be independently verified with local authorities.

Property Analytics

Property Profile Location Intelligence

Current Use by Public Records

Single family properties

Suggested Use

Auto Repair Shop Real Estate Agency Big Box & Wholesale Store Electrical Service Storage Facility Garden Center Plumbing Service Parking Lot & Garage (Bike/Boat/Book/etc) Store HVAC Service

Zoning and permitted uses should be independently verified with local authorities.

FAQs

What type of property is this?
Single family property - Unique property with main dwelling, ADU, and guest quarters.
Where is this single family property located?
The property is located at 21 Mill Road Falmouth, ME.
What is the asking price?
The asking price for this property is $1,200,000.
What are key features of this property?
This property features: Restored mill property with a 2‑bedroom main dwelling unit plus an ADU and separate guest quarters; Situated on the banks of a stream (Piscataqua River per remarks); Includes in‑law apartment (ADU) and separate guest quarters
Contact an agent
More about this property
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