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Student Housing Triplex
For Sale
$375,000
Pending

31 William Street, Plattsburgh, NY 12901

Commercial Sale, Plattsburgh, NY

Property Size3,140 SF
Lot Size0.18 Acres
Days on Market142

Property Features for 31 William Street

General Information

Property type Commercial Sale
Property subtype Other
Parking features Off Street, Parking Lot
Interior features Apartment
Exterior features Balcony
Basement Full, Unfinished
Appliances Free-Standing Electric Range, Refrigerator
Elementary school district Plattsburgh
Middle school district Plattsburgh
High school district Plattsburgh
Directions William Street just before Court St
Subdivision City of Plattsburgh
Standard status Pending
APN 207.19-5-16
Size 3,140 SF
Lot size 0.18 Acres

Taxes and HOA fees

Tax Annual Amount 9280

Utilities

Sewer type Public Sewer
Heating system Electric (Heating), Baseboard
Water source Public

Building Details

Year built 2005
Building materials Cement Siding
Roof type Metal
Listing Agency: Century 21 The One · Century 21 Real Estate
Listed By: Patrick Holcombe
Added: Jun 1 Changed: Oct 18 Last Checked: Oct 20 at 12:06PM
MLS# 207439

Copyright © 2026 Adirondack Champlain Valley MLS. 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 triplex contains three apartments and 10 bedrooms, with student occupancy established across the property. A comprehensive rebuild completed in 2014 addressed the structure, kitchens, bathrooms, plumbing, electrical systems, and roof. The building also includes balconies, electric baseboard heat, free-standing electric ranges, refrigerators, and a metal roof. New hot water tanks were installed in 2024.

The property occupies 0.18 acres at 31 William Street in Plattsburgh, NY. Public water and public sewer serve the building, while parking is provided through an on-site lot and off-street spaces. Owners currently handle lawn and snow care, and some leases are in place for 26/27.

Key Highlights

  • Three‑apartment triplex with 10 bedrooms
  • Comprehensive 2014 rebuild included structure, kitchens, bathrooms, plumbing, electrical, and roof
  • New hot water tanks installed in 2024

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$26,809
Cap Rate
7.15%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$536,180 $536.2K
Cap Rate 7%
$382,986 $383.0K
Cap Rate 9%
$297,878 $297.9K
Market Conditions
NOI Build-Up for 3,140 SF
Gross rent
$41.4K $13.20/SF
− Vacancy
−$3.2K −$1.00/SF
EGI
$38.3K $12.20/SF
− OpEx
−$11.5K −$3.66/SF
NOI
$26.8K $8.54/SF
Area
Clinton County, NY
Vacancy
7.60%
Lease Rate
$13.20 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$536,180
Cap Rate 7%
$382,986
Cap Rate 9%
$297,878

Alternative Uses

Best Use
Multifamily LT 5
$383.0K
$335.1K – $446.8K (±1% cap)
NOI $26,809 @ 7.0% cap · market cap 7.15%
Second Best
Apartment 5plus
$340.5K
$297.9K – $397.2K (±1% cap)
NOI $23,833 @ 7.0% cap · market cap 6.36%
Theoretical Best
Office A
$865.6K
$757.4K – $1.01M (±1% cap)
NOI $60,589 @ 7.0% cap · market cap 16.16%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Lease Details

3
Residential units

Location Intelligence

Trade Area within ½ mile

1,631
Businesses Nearby

Demographics for 12901, NY

32,147
Population
15,426
Households
2.1
Avg Household Size
38
Median Age
33%
College-Educated
89%
High-School Grad
70.6 sq mi
ZIP Area
455
Density / Sq Mi
$59,413
Median Household Income
$35,385
Median Earnings
$957
Median Rent
$182,100
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?
Triplex - Three-apartment property with student tenants, refreshed building systems, balconies, and off-street parking.
Where is this triplex located?
The property is located at 31 William Street Plattsburgh, NY.
What is the asking price?
The asking price for this property is $375,000.
What are key features of this property?
This property features: Three‑apartment triplex with 10 bedrooms; Comprehensive 2014 rebuild included structure, kitchens, bathrooms, plumbing, electrical, and roof; New hot water tanks installed in 2024
More about this property
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