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Two-Unit Duplex
New
For Sale
$409,900

503 S Main Street, Brewer, ME 04412

Multi-Family, Brewer, ME

Property Size2,232 SF
Lot Size0.26 Acres
Price / SF$183.65
Days on Market1

Property Features for 503 S Main Street

General Information

Property type Residential Multi Family
Property subtype Other
Zoning CB
Bathrooms 2
Full bathrooms 2
Rooms Bathroom 1, Basement, Bathroom 2
Parking features Off Street
Basement Full, Unfinished
Lot features Open, Near Shopping, Near Town
Standard status Active
Size 2,232 SF
Lot size 0.26 Acres

Taxes and HOA fees

Tax Year 2025
Tax Annual Amount 3289

Utilities

Sewer type Public Sewer
Heating system Natural Gas, Hot Water(Heating), Baseboard
Water source Public

Building Details

Year built 1900
Number of units 2
Flooring type Carpet, Vinyl
Building materials Wood Frame, Vinyl Siding
Roof type Shingle
Listing Agency: Keller Williams Realty
Listed By: Matthew Boulerice · License #DB922634
Added: Oct 17 Last Checked: Oct 17 at 5:06PM
MLS# 1684693

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.

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Investment Insights

Based on property information with market context.

This wood-frame duplex contains 2,232 square feet across two townhouse-style residences, each arranged on two levels. Recent work includes two natural gas heating systems, replacement windows, updated electrical throughout, and cosmetic improvements. Heating and electricity are separately metered by unit. The property was built in 1900 and sits on a 0.26-acre lot in Brewer.

Off-street parking is available, and the building is served by public water and public sewer. CB zoning is designated for the property.

Key Highlights

  • Two residences with two‑level layouts
  • 2,232 square feet of building area on 0.26 acres
  • Two new natural gas heating systems and new windows

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$20,455
Cap Rate
4.99%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$409,100 $409.1K
Cap Rate 7%
$292,214 $292.2K
Cap Rate 9%
$227,278 $227.3K
Market Conditions
NOI Build-Up for 2,232 SF
Gross rent
$30.8K $13.80/SF
− Vacancy
−$1.6K −$0.71/SF
EGI
$29.2K $13.09/SF
− OpEx
−$8.8K −$3.93/SF
NOI
$20.5K $9.16/SF
Area
Penobscot County, ME
Vacancy
5.13%
Lease Rate
$13.80 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$409,100
Cap Rate 7%
$292,214
Cap Rate 9%
$227,278

Alternative Uses

Best Use
Multifamily LT 5
$292.2K
$255.7K – $340.9K (±1% cap)
NOI $20,455 @ 7.0% cap · market cap 4.99%
Second Best
Apartment 5plus
$268.8K
$235.2K – $313.6K (±1% cap)
NOI $18,813 @ 7.0% cap · market cap 4.59%
Theoretical Best
Office A
$720.9K
$630.8K – $841.0K (±1% cap)
NOI $50,461 @ 7.0% cap · market cap 12.31%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Current Use

Duplexes

Suggested Use

Top Pick Grocery & Convenience Store (Bike/Boat/Book/etc) Store Auto Parts Store Carpet & Flooring Store Building Supply HVAC Service

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

2
Residential units

Location Intelligence

Trade Area within ½ mile

162
Businesses Nearby

Demographics for 04412, ME

9,672
Population
4,565
Households
2.1
Avg Household Size
43
Median Age
31%
College-Educated
95%
High-School Grad
15.2 sq mi
ZIP Area
636
Density / Sq Mi
$51,490
Median Household Income
$35,700
Median Earnings
$984
Median Rent
$218,100
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025

Frequently Asked Questions

What type of property is this?
Duplex - Each residence has two levels and its own heating and electrical service.
Where is this duplex located?
The property is located at 503 S Main Street Brewer, ME.
What is the asking price?
The asking price for this property is $409,900.
What are key features of this property?
This property features: Two residences with two‑level layouts; 2,232 square feet of building area on 0.26 acres; Two new natural gas heating systems and new windows
More about this property
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