Two-Unit Duplex on Double
104 S Main Street Auburn, ME 04210
For Sale
$439,900
MULTI_FAMILY - Auburn, ME
Property Size2,552 SF
Lot Size0.34 Acres
Price / SF$172.37
Days on Market37
Property Features for 104 S Main Street
General Information
- Property type
- Residential Multi Family
- Property subtype
- Other
- Zoning
- Urban Residential
- Bathrooms
- 2
- Rooms
- Basement, Bathroom 2, Bathroom 1
- Patio and Porch features
- Porch, Deck
- Interior features
- Other Amenities, 1st Floor Bedroom, Bathtub
- Fencing
- Fenced
- Basement
- Walk-Out Access, Full, Unfinished
- Standard status
- Active
- Size
- 2,552 SF
- Lot size
- 0.34 Acres
Taxes and HOA fees
- Tax Year
- 2025
- Tax Annual Amount
- 4754
Utilities
- Sewer type
- Public Sewer
- Heating system
- Oil, Baseboard, Hot Water(Heating)
- Water source
- Public
Building Details
- Year built
- 1900
- Floors in Building
- 2
- Number of units
- 2
- Flooring type
- Vinyl, Laminate, Hardwood
- Building materials
- Wood Frame, Other Exterior
- Roof type
- Shingle
- Additional Structures
- Other
Listing Agency:
Keller Williams Realty
(207) 879-9800
Listed By:
Faith Fontaine
(207) 576-4179
Added: Jun 19
Changed: Jul 9
Last Checked: Jul 25 at 3:06AM
MLS# 1657524
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.
104 S Main Street in Auburn, Maine offers a well-maintained two-unit duplex set on a double lot with additional road frontage. The property includes a first-floor unit that is currently vacant, providing flexibility for owner-occupancy or a new tenant. That unit features three bedrooms and a large eat-in kitchen, along with a unique walk-in sauna located in the bathroom.
The second-floor unit is bright and spacious, with a double living room, two bedrooms, a large eat-in kitchen, and abundant storage throughout. A large walk-out basement provides direct access to the expansive backyard, and the home includes a new roof. Parking options include both on-site availability and street parking.
With two independent residential units, this property suits a range of buyers, including owner-occupants who want to live in one unit while leasing the other, or investors seeking a straightforward duplex configuration. The sizable yard supports outdoor use such as entertaining or gardening, and the added lot frontage provides extra flexibility for future possibilities. The location also offers convenient proximity to schools, shopping, restaurants, the turnpike, and local amenities.
The second-floor unit is bright and spacious, with a double living room, two bedrooms, a large eat-in kitchen, and abundant storage throughout. A large walk-out basement provides direct access to the expansive backyard, and the home includes a new roof. Parking options include both on-site availability and street parking.
With two independent residential units, this property suits a range of buyers, including owner-occupants who want to live in one unit while leasing the other, or investors seeking a straightforward duplex configuration. The sizable yard supports outdoor use such as entertaining or gardening, and the added lot frontage provides extra flexibility for future possibilities. The location also offers convenient proximity to schools, shopping, restaurants, the turnpike, and local amenities.
Key Highlights
- Two‑unit property on a double lot with additional road frontage on Fulton Street
- First‑floor unit (currently vacant) offers 3 bedrooms and a large eat‑in kitchen
- Second‑floor unit includes a double living room, 2 bedrooms, a large eat‑in kitchen, and abundant storage
Financial Insights For Multifamily LT 5
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 | $36.4k | $14.28 |
| − Vacancy | −$485 | −$0.19 |
| EGI | $36.0k | $14.09 |
| − OpEx | −$10.8k | −$4.23 |
| NOI | $25.2k | $9.86 |
2,552 SF · lease $14.28/SF/yr · vacancy 1.33% · expense 30.00%
Alternative Uses
Best Use
Multifamily LT 5
$359.6K
$314.6K – $419.5K
NOI $25,171 @ 7.0% cap · market cap 5.72%
Second Best
Apartment 5plus
$341.6K
$298.9K – $398.6K
NOI $23,915 @ 7.0% cap · market cap 5.44%
Theoretical Best
Warehouse
$4.53M
$3.97M – $5.29M
NOI $317,278 @ 7.0% cap · market cap 72.13%
Zoning and permitted uses should be independently verified with local authorities.
Property Analytics
Property Profile
Location Intelligence
Current Use by Public Records
Duplexes
FAQs
What type of property is this?
Duplex - Two separate units, one currently vacant, with a walk-out basement, new roof, and double-lot yard for added flexibility.
Where is this duplex located?
The property is located at 104 S Main Street Auburn, ME.
What is the asking price?
The asking price for this property is $439,900.
What are key features of this property?
This property features: Two‑unit property on a double lot with additional road frontage on Fulton Street; First‑floor unit (currently vacant) offers 3 bedrooms and a large eat‑in kitchen; Second‑floor unit includes a double living room, 2 bedrooms, a large eat‑in kitchen, and abundant storage
