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Side-by-Side Ranch Duplex
For Sale
$449,900

4002 S 91st Pl, Greenfield, WI 53228

Two residential units offer private laundry, generous storage, and shared recreational amenities within a single attached property.

Property Size2,358 SF
Price / SF$190.80
Days on Market21

Property Features for 4002 S 91st Pl

General Information

Standard status Active
Size 2,358 SF
Total Parking Spaces 2
Property subtype Residential Income

Additional Details

Highway Access Yes
Multifamily Units 2

Taxes and HOA fees

Annual Taxes $8,074

Amenities

in-unit laundry
sunroom
rec room

Building Details

Buildings 1
Construction ranch
Listing Agency: Coldwell Banker Realty
Listed By: The Blend Group* · License #BK3153120
Source: Exprealty
Added: Jul 22 Changed: Aug 11 Last Checked: Aug 11 at 8:07AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Coldwell Banker Realty

Investment Insights

Based on property information with market context.

This custom-built duplex contains two side-by-side ranch-style residences within approximately 2,358 square feet. Each unit includes engineered hardwood flooring, generous bedrooms, in-unit laundry, and substantial storage. Additional improvements include a bright 10-by-16 sunroom, a finished lower-level recreation room with a bar, stools, and pool table, plus an attached two-car garage.

The property is located at 4002 S 91st Pl in Greenfield, Wisconsin, near shopping, restaurants, and parks, with convenient interstate access. Its two-unit layout supports traditional rental use, owner occupancy with supplemental income, or accommodation for an in-law suite, as stated in the property information.

Key Highlights

  • Two side‑by‑side ranch‑style units within approximately 2,358 square feet
  • 10‑by‑16 sunroom and finished lower‑level recreation room
  • Recreation room includes a bar, stools, and pool table

Financial Insights

Estimated NOI and Cap Rate

NOI = area × lease_rate × (100 − vacancy) / 100 × (1 − expense_ratio). Net Operating Income — what the owner takes home each year before mortgage payments and income tax. Effective rent (asking rent minus vacancy losses) minus operating costs (taxes, insurance, maintenance, management).
NOI / Yr
$25,269
Cap rate = NOI / list price × 100. Capitalization rate — annual return on a fully cash purchase, before financing. NOI divided by price. Higher means more income per dollar invested, but usually also more risk or older condition. 5–8% is typical for stabilized commercial property; double digits often signal distressed deals.
Cap Rate
5.62%
Suggested Prices Based on Cap Rates Cap rates vary significantly by property type, market, and asset quality. Typical U.S. stable-market ranges: Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+) Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand) Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically) Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher) Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk) Self-Storage — 5.5% to 7.5% Medical Office — 6.0% to 7.5% Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term Rules of thumb: Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%). Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C. Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI. Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$505,380 $505.4K
Cap Rate 7%
$360,986 $361.0K
Cap Rate 9%
$280,767 $280.8K
Market Conditions
NOI Build-Up for 2,358 SF 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.
Gross rent
$38.2K $16.20/SF
− Vacancy
−$2.1K −$0.89/SF
EGI
$36.1K $15.31/SF
− OpEx
−$10.8K −$4.59/SF
NOI
$25.3K $10.72/SF
Area
Milwaukee County, WI
Vacancy
5.50%
Lease Rate
$16.20 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates Cap rates vary significantly by property type, market, and asset quality. Typical U.S. stable-market ranges: Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+) Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand) Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically) Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher) Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk) Self-Storage — 5.5% to 7.5% Medical Office — 6.0% to 7.5% Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term Rules of thumb: Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%). Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C. Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI. Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$505,380
Cap Rate 7%
$360,986
Cap Rate 9%
$280,767

Alternative Uses

Best Use
Multifamily LT 5
$361.0K
$315.9K – $421.2K (±1% cap)
NOI $25,269 @ 7.0% cap · market cap 5.62%
Second Best
Apartment 5plus
$322.5K
$282.2K – $376.2K (±1% cap)
NOI $22,573 @ 7.0% cap · market cap 5.02%
Theoretical Best
Office A
$559.2K
$489.3K – $652.4K (±1% cap)
NOI $39,142 @ 7.0% cap · market cap 8.70%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Law Firm Real Estate Agency Dental Office Parking Lot & Garage Bakery HVAC Service

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

2
Residential units
Yes
Highway access

Location Intelligence

Trade Area within ½ mile

152
Businesses Nearby

Demographics for 53228, WI

15,341
Population
7,180
Households
2.1
Avg Household Size
45
Median Age
36%
College-Educated
96%
High-School Grad
5.2 sq mi
ZIP Area
2,950
Density / Sq Mi
$75,288
Median Household Income
$54,006
Median Earnings
$1,220
Median Rent
$254,700
Median Home Value

Market

Vacancy Rate% for Multifamily in Midwest region

6.5% 2022
7.5% 2023
7.8% 2024
8% 2025
Rey
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Frequently Asked Questions

What type of property is this?
Duplex - Two residential units offer private laundry, generous storage, and shared recreational amenities within a single attached property.
Where is this duplex located?
The property is located at 4002 S 91st Pl Greenfield, WI.
What is the asking price?
The asking price for this property is $449,900.
What are key features of this property?
This property features: Two side‑by‑side ranch‑style units within approximately 2,358 square feet; 10‑by‑16 sunroom and finished lower‑level recreation room; Recreation room includes a bar, stools, and pool table
More about this property
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