Why rent when you can own, build equity, and create income? This 2/2 duplex offers flexibility for an owner-occupant, multi-generational household, business-minded buyer, or investor. Live in one unit while rental income helps offset expenses, or lease both units and grow your portfolio. The upper unit has been freshly painted and features updated flooring, while the first floor is occupied by a long-term tenant. A fenced backyard, two-car garage with concrete slab, and location just minutes from I-43 add everyday convenience and value.
Active
$174,900
4136 N 21st STREET, Milwaukee, WI 53209
4beds
--sqft
Multi Family, Duplex
Built in 1928
-- sqft lot
$-- Zestimate®
$--/sqft
$-- HOA
What's special
Fenced backyardUpdated flooring
- 16 days |
- 195 |
- 13 |
Zillow last checked:
Listing updated:
Listed by:
Angelena Allen 414-759-0987,
Coldwell Banker Realty
Source: WIREX MLS,MLS#: 1974569
Originating MLS: Metro MLS
Originating MLS: Metro MLSFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 2
- Full bathrooms: 2
Features
- Basement: Full
- Has fireplace: No
Interior area
- Living area range: Not Available Square Feet
Property
Parking
- Total spaces: 2
- Parking features: Detached, 2 Car, 1 Space
- Garage spaces: 2
Features
- Levels: Two
- Stories: 2
Lot
- Size: 4,791 Square Feet
Details
- Parcel number: 2451112000
- Zoning: RT2
Construction
Type & style
- Home type: MultiFamily
- Property subtype: Multi Family, Duplex
Materials
- Vinyl Siding
Condition
- 21+ Years
- New construction: No
- Year built: 1928
Utilities & green energy
- Electric: 2 Electric Meters
- Sewer: Public Sewer
- Water: Public
- Utilities for property: 2 Electric Meters, 2 Gas Meters
Community & HOA
Location
- Region: Milwaukee
- Municipality: Milwaukee
Financial & listing details
- Tax assessed value: $133,600
- Annual tax amount: $2,692
- Date on market: 8/4/2026
- Inclusions: None
- Exclusions: Seller's Personal Property
Estimated market value
Not available
Estimated sales range
Not available
$1,216/mo
Price history
| Date | Event | Price |
|---|---|---|
| 8/4/2026 | Listed for sale | $174,900+761.6% |
Source:  WIREX MLS #1974569 Report a problem | ||
| 4/27/2018 | Sold | $20,300 |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $2,779 -6% | $133,600 +3.6% |
| 2024 | $2,956 +42% | $128,900 +46.3% |
| 2023 | $2,082 -0.8% | $88,100 |
| 2022 | $2,098 -12.8% | $88,100 +2% |
| 2021 | $2,405 | $86,400 |
| 2020 | $2,405 | $86,400 |
| 2019 | $2,405 +9.2% | $86,400 +9.2% |
| 2018 | $2,203 -36.3% | $79,100 +28% |
| 2017 | $3,459 -48.5% | $61,800 +0.8% |
| 2016 | $6,714 +52% | $61,300 -4.5% |
| 2015 | $4,418 | $64,200 |
| 2014 | $4,418 | $64,200 -16.3% |
| 2012 | -- | $76,700 -18.1% |
| 2011 | -- | $93,600 |
| 2010 | $3,382 -2.4% | $93,600 -5% |
| 2009 | $3,466 | $98,500 -6.6% |
| 2008 | -- | $105,500 +5% |
| 2007 | -- | $100,500 |
| 2006 | -- | $100,500 |
| 2005 | -- | $100,500 +12.8% |
| 2004 | -- | $89,100 +24.4% |
| 2003 | -- | $71,600 +6.7% |
| 2002 | -- | $67,100 +22.7% |
| 2001 | $1,748 +19.4% | $54,700 |
| 2000 | $1,464 +16.5% | $54,700 +24.9% |
| 1999 | $1,257 | $43,800 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: Rufus King
Nearby schools
GreatSchools rating
- 3/10Lloyd Barbee Montessori SchoolGrades: PK-7Distance: 0.5 mi
- 5/10Rufus King International High SchoolGrades: 9-12Distance: 0.3 mi
- 3/10Franklin SchoolGrades: PK-8Distance: 0.5 mi
Schools provided by the listing agent
- District: Milwaukee
Source: WIREX MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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A local agent can set up tours, give advice and negotiate with sellers.
A local lender can help you make sure your offer is ready when you are.
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