Green Bay Duplex with
828 MATHER Street Green Bay, WI 54303
For Sale
$171,900
MULTI_FAMILY - GREEN BAY, WI
Property Size1,747 SF
Lot Size0.18 Acres
Price / SF$98.40
Days on Market140
Property Features for 828 MATHER Street
General Information
Property type
Residential Multi Family
Property subtype
Duplex
Zoning
Residential
Parking
2
Standard status
Active
APN
5-182
Size
1,747 SF
Lot size
0.18 Acres
Taxes and HOA fees
Tax Year
2024
Tax Description
7,871 SQ FT CROCKER & HENDERSONS 1ST AD D LOT 14 & W 1/2 OF LOT 15 BLK 2
Tax Annual Amount
1572
Utilities
Sewer type
Public Sewer
Heating system
Forced Air
Water source
Public
Building Details
Year built
1928
Number of units
2
Building materials
Vinyl Siding
Listing Agency:
Keller Williams Green Bay
(920) 632-7702
Listed By:
Breanna C. Johnson · License #9492531
(920) 609-3053
Added: Mar 10
Changed: Jul 26
Last Checked: Jul 27 at 1:06PM
MLS# 50322143
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 Green Bay duplex offers income potential and is zoned for residential use. The main level unit features one bedroom, one bathroom, first-floor laundry, and a tiled shower. The upper unit includes one bedroom, one bathroom, and a bonus kitchen, suitable for rental income or extended living. The upper unit is equipped with electric heat. The property includes a fenced-in backyard, a 1.5 stall garage, and extra parking off the alley. The lower level has a bonus room with space to finish a full bath, offering additional value. The property size is 1747 square feet and the lot size is 0.18 acres.
Key Highlights
- Income potential from upper unit with bonus kitchen.
- Main level unit features 1 bed, 1 bath, and first‑floor laundry.
- Enjoy the fenced‑in backyard and a 1.5 stall garage.
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 | $23.1k | $13.20 |
| − Vacancy | −$1.3k | −$0.73 |
| EGI | $21.8k | $12.47 |
| − OpEx | −$6.5k | −$3.74 |
| NOI | $15.3k | $8.73 |
1,747 SF · lease $13.20/SF/yr · vacancy 5.50% · expense 30.00%
Alternative Uses
Best Use
Multifamily LT 5
$217.9K
$190.7K – $254.2K
NOI $15,254 @ 7.0% cap · market cap 8.87%
Second Best
Apartment 5plus
$203.0K
$177.6K – $236.8K
NOI $14,210 @ 7.0% cap · market cap 8.27%
Theoretical Best
Office A
$407.3K
$356.4K – $475.2K
NOI $28,511 @ 7.0% cap · market cap 16.59%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Property Profile
Location Intelligence
Current Use
Frequently Asked Questions
What type of property is this?
Duplex - Charming duplex in Green Bay with income potential.
Where is this duplex located?
The property is located at 828 MATHER Street Green Bay, WI.
What is the asking price?
The asking price for this property is $171,900.
What are key features of this property?
This property features: Income potential from upper unit with bonus kitchen.; Main level unit features 1 bed, 1 bath, and first‑floor laundry.; Enjoy the fenced‑in backyard and a 1.5 stall garage.
