Side-by-Side Duplex with
New
For Sale
$299,900
517 MAYVILLE Street, Theresa, WI 53091
MULTI_FAMILY - THERESA, WI
Property Size2,628 SF
Lot Size0.29 Acres
Price / SF$114.12
Days on Market1
Property Features for 517 MAYVILLE Street
General Information
Property type
Residential Multi Family
Property subtype
Duplex
Zoning
Residential
Parking
2
Elementary school district
Lomira
Middle school district
Lomira
High school district
Lomira
Directions
N Milwaukee St, West on Mayville St to address
Standard status
Active
APN
186-1217-1033-003
Size
2,628 SF
Lot size
0.29 Acres
Taxes and HOA fees
Tax Year
2025
Tax Annual Amount
3073
Utilities
Sewer type
Public Sewer
Heating system
Forced Air
Cooling system
Central Air
Water source
Public
Building Details
Year built
1975
Number of units
2
Building materials
Vinyl Siding
Listing Agency:
RE/MAX Heritage · RE/MAX International
(920) 923-7777
Listed By:
Gus Garcia · License #9477325
(920) 923-7777
Added: Aug 5
Last Checked: Aug 5 at 8:06PM
MLS# 50330441
Copyright © 2026 Realtor Association of Northeast Wisconsin. 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 side-by-side duplex contains two residential units, each with 3 bedrooms, 1.5 baths, and over 1,100 square feet of living space. The property totals 2,628 square feet and was built in 1975. Each unit has access to a private 1-car garage, while both share a large yard. Vinyl siding, forced-air heating, and central air serve the building.
The 0.29-acre property is zoned Residential and connected to public water and public sewer. Month-to-month tenants are currently in place, providing an existing occupancy arrangement for the next owner. The duplex is located at 517 Mayville Street in Theresa, Wisconsin.
The 0.29-acre property is zoned Residential and connected to public water and public sewer. Month-to-month tenants are currently in place, providing an existing occupancy arrangement for the next owner. The duplex is located at 517 Mayville Street in Theresa, Wisconsin.
Key Highlights
- Two 3‑bedroom, 1.5‑bath residential units
- 2,628 square feet across the duplex
- Each unit offers over 1,100 square feet of living space
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 | $34.7k | $13.20 |
| − Vacancy | −$1.2k | −$0.44 |
| EGI | $33.5k | $12.76 |
| − OpEx | −$10.1k | −$3.83 |
| NOI | $23.5k | $8.93 |
2,628 SF · lease $13.20/SF/yr · vacancy 3.32% · expense 30.00%
Alternative Uses
Best Use
Multifamily LT 5
$335.4K
$293.5K – $391.3K
NOI $23,477 @ 7.0% cap · market cap 7.83%
Second Best
Apartment 5plus
$310.8K
$272.0K – $362.7K
NOI $21,759 @ 7.0% cap · market cap 7.26%
Theoretical Best
Office A
$570.9K
$499.5K – $666.0K
NOI $39,962 @ 7.0% cap · market cap 13.33%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Property Profile
Current Use
Lease Details
2
Residential units
Multi-tenant
Tenancy
Location Intelligence
Trade Area within ½ mile
80
Businesses Nearby
Explore this area
Business Placement
Demographics for 53091, WI
2,013
Population
918
Households
2.2
Avg Household Size
46
Median Age
17%
College-Educated
94%
High-School Grad
25.7 sq mi
ZIP Area
78
Density / Sq Mi
$81,442
Median Household Income
$47,902
Median Earnings
$1,013
Median Rent
$195,800
Median Home Value
Market
Vacancy Rate% for Multifamily in Midwest region
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Duplex - Residential duplex with two separately configured units, private garages, central air, and month-to-month tenants in place.
Where is this duplex located?
The property is located at 517 MAYVILLE Street Theresa, WI.
What is the asking price?
The asking price for this property is $299,900.
What are key features of this property?
This property features: Two 3‑bedroom, 1.5‑bath residential units; 2,628 square feet across the duplex; Each unit offers over 1,100 square feet of living space
