Duplex with Spacious Back
1123 CASS Street Green Bay, WI 54301
New
MULTI_FAMILY - GREEN BAY, WI
Property size:
1,686 SFLot size:
0.30 AcresPrice / SF:
$142/SF- Added:
- Jul 9, 2026
- Days on Market:
- 2
- Last Refresh:
- Jul 10 at 1:06 am
Property Features for 1123 CASS Street
General Information
- Property type
- Residential Multi Family
- Property subtype
- Other
- Zoning
- Residential
- Parking
- 2
- Standard status
- Active
- APN
- 14-1127
- Size
- 1,686 SF
- Lot size
- 0.30 Acres
Taxes and HOA fees
- Tax Year
- 2025
- Tax Annual Amount
- 2711
Utilities
- Sewer type
- Public Sewer
- Heating system
- Forced Air
- Water source
- Public
Building Details
- Year built
- 1903
- Number of units
- 2
- Building materials
- Shake Siding
Listing agent Elizabeth A. Weiss (920) 636-6239
Listing office Ben Bartolazzi Real Estate, Inc 2143 S Webster Ave, Green Bay, WI (920) 770-4015
Listing date Jul 9, 2026
MLS# 50328884
Listing URL
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 for-sale duplex includes two residential sides with separate living arrangements. One side features 3 bedrooms and 1 bathroom with a formal dining room, a spacious kitchen with pantry, and a living room. The other side offers 1 bedroom and 1 bathroom with separate living room and kitchen spaces. The property also includes a spacious back yard.
The home is located in the Astor Park area of Green Bay, about two blocks from the hospital. It sits on a 0.3-acre lot.
Recent updates noted in the remarks include new flooring in the front unit’s bedroom, living room, and bathroom, along with an updated front door pathway. The back unit includes new carpet in the living room and stairs. The layout can fit an owner-occupant who wants one side for personal use while renting the other, or a buyer looking for a straightforward residential income property with two distinct units.
The home is located in the Astor Park area of Green Bay, about two blocks from the hospital. It sits on a 0.3-acre lot.
Recent updates noted in the remarks include new flooring in the front unit’s bedroom, living room, and bathroom, along with an updated front door pathway. The back unit includes new carpet in the living room and stairs. The layout can fit an owner-occupant who wants one side for personal use while renting the other, or a buyer looking for a straightforward residential income property with two distinct units.
Key Highlights
- Duplex built in 1903 with shake siding and forced‑air heating
- Front side (1123) offers 3 bedrooms, 1 bathroom, formal dining room, and a spacious kitchen with pantry plus living room
- Second side (1123 1/2) includes 1 bedroom, 1 bathroom with separate living room and kitchen spaces
Local 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 | $22.3k | $13.20 |
| − Vacancy | −$1.2k | −$0.73 |
| EGI | $21.0k | $12.47 |
| − OpEx | −$6.3k | −$3.74 |
| NOI | $14.7k | $8.73 |
1,686 SF · lease $13.20/SF/yr · vacancy 5.50% · expense 30.00%
Alternative Uses
Best Use
Multifamily LT 5
$210.3K
$184.0K – $245.4K
NOI $14,722 @ 7.0% cap · market cap 6.15%
Second Best
Apartment 5plus
$195.9K
$171.4K – $228.6K
NOI $13,714 @ 7.0% cap · market cap 5.73%
Theoretical Best
Office A
$393.1K
$344.0K – $458.6K
NOI $27,516 @ 7.0% cap · market cap 11.49%
Zoning and permitted uses should be independently verified with local authorities.
Property Analytics
Property Profile
Location Intelligence
Current Use by Public Records
Duplexes
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FAQs
What type of property is this?
Duplex - Duplex in Astor Park offers two separate units with updated interiors and a shared outdoor space.
Where is this duplex located?
The property is located at 1123 CASS Street Green Bay, WI.
What is the asking price?
The asking price for this property is $239,500.
What are key features of this property?
This property features: Duplex built in 1903 with shake siding and forced‑air heating; Front side (1123) offers 3 bedrooms, 1 bathroom, formal dining room, and a spacious kitchen with pantry plus living room; Second side (1123 1/2) includes 1 bedroom, 1 bathroom with separate living room and kitchen spaces
