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Duplex With In-Law Apartment
For Sale
$325,000

6 High Street, Waterville, ME 04901

MULTI_FAMILY - Waterville, ME

Property Size1,815 SF
Lot Size0.20 Acres
Price / SF$179.06
Days on Market67

Property Features for 6 High Street

General Information

Property type Residential Multi Family
Property subtype Other
Zoning RB
Bathrooms 2
Full bathrooms 2
Rooms Bathroom 1, Bathroom 2, Basement
Patio and Porch features Porch
Pets allowed No
Interior features In-Law Apartment, 1st Floor Bedroom, Attic, Bathtub, Shower
Fencing Fenced
Basement Walk-Out Access, Full, Unfinished
Lot features Sidewalks, Intown, Near Town
Standard status Active
Size 1,815 SF
Lot size 0.20 Acres

Taxes and HOA fees

Tax Year 2025
Tax Annual Amount 3218

Utilities

Sewer type Public Sewer
Heating system Other (Heating), Heat Pump (Heating), Electric (Heating), Propane (Heating)
Cooling system Heat Pump
Water source Public

Building Details

Year built 1900
Number of units 2
Flooring type Wood, Carpet, Vinyl
Building materials Wood Frame, Asbestos, Vinyl Siding
Roof type Shingle, Metal
Listing Agency: Keller Williams Realty
Listed By: Francois Rodrigue
Added: Jun 1 Changed: Aug 1 Last Checked: Aug 6 at 8:06AM
MLS# 1664860

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.

A two-unit duplex configured for flexibility, with an in-law apartment and separate living area(s) designed to add privacy and versatility. Interior features include a first-floor bedroom, attic space, basement, and bathrooms with a bathtub and shower. The property is improved with a porch and a fenced yard.

Set on a 0.2-acre lot with 1,815 square feet of living area, the home was built in 1900. Construction includes wood frame with vinyl siding. The roof includes shingle and metal materials, and the home is served by public water and public sewer. Heating options include heat pump, electric, and propane, with cooling provided by a heat pump.

This duplex offers multiple ways to use the space, whether you’re looking for rental income or additional guest-style flexibility.

Key Highlights

  • Two‑unit duplex with in‑law apartment and separate living areas
  • 0.2‑acre lot with 1,815 SF of living space
  • RB zoning

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 $29.4k $16.20
− Vacancy −$447 −$0.25
EGI $29.0k $15.95
− OpEx −$8.7k −$4.79
NOI $20.3k $11.17
1,815 SF · lease $16.20/SF/yr · vacancy 1.52% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$289.6K
$253.4K – $337.8K (±1% cap)
NOI $20,269 @ 7.0% cap · market cap 6.24%
Second Best
Apartment 5plus
$252.6K
$221.0K – $294.7K (±1% cap)
NOI $17,681 @ 7.0% cap · market cap 5.44%
Theoretical Best
Warehouse
$2.71M
$2.37M – $3.16M (±1% cap)
NOI $189,546 @ 7.0% cap · market cap 58.32%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick (Bike/Boat/Book/etc) Store Parking Lot & Garage Locksmith Storage Facility Real Estate Agency Veterinary Clinic

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

412
Businesses Nearby

Demographics for 04901, ME

26,491
Population
12,084
Households
2.2
Avg Household Size
41
Median Age
30%
College-Educated
93%
High-School Grad
78.8 sq mi
ZIP Area
336
Density / Sq Mi
$54,122
Median Household Income
$33,623
Median Earnings
$957
Median Rent
$188,800
Median Home Value

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025
Rey
Questions? Ask Rey
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.

Frequently Asked Questions

What type of property is this?
Duplex - RB-zoned duplex with a porch, fenced yard, and separate living areas plus an in-law apartment.
Where is this duplex located?
The property is located at 6 High Street Waterville, ME.
What is the asking price?
The asking price for this property is $325,000.
What are key features of this property?
This property features: Two‑unit duplex with in‑law apartment and separate living areas; 0.2‑acre lot with 1,815 SF of living space; RB zoning
More about this property
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