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Freestanding Flex and Industrial Building
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220 River Birch, Deerfield, WI 53531

A freestanding leased facility with heated bays and finished residential-style space, offering a functional mixed-use layout.

Property Size3,660 SF
Price / SF$221.73
Days on Market101

Property Features for 220 River Birch

General Information

Standard status Active
Size 3,660 SF
Total Parking Spaces 15
Property subtype Industrial
Lease Type NNN
Investment Type Net Lease
Net Operating Income $56,808

Additional Details

Service Bays 2

Building Details

Year Built 2008
Year Renovated 2024
Units 1
Tenancy Single
Listing Agency: Altus Commercial Real Estate
Listed By: Will Schlosser · License #89987-94
Source: Crexi
Added: May 28 Changed: Aug 22 Last Checked: Sep 5 at 11:55AM

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 Altus Commercial Real Estate

Investment Insights

Based on property information with market context.

The property is a freestanding building operated as flex/industrial space, currently leased to DocGo Inc DBA Ryan Brothers Ambulance on a term of 3+ more years. The facility includes two heated/cooled garage bays and additional land, with finished space featuring four bedrooms, one-and-a-half baths, a kitchen, and a lounge area. Operational amenities include a washer and dryer, water spigots in the garage, floor drains, and ozone sterilization in each HVAC system. The building also has interior and exterior cameras with remote smart capabilities.

The site is located at 220 River Birch in Deerfield, WI (53531). The offering is presented as one of multiple similar facilities in three counties.

For tenants or buyers, this layout supports organizations that need both controlled garage space and dedicated finished rooms for administrative or operational use, with on-site utility and building systems designed for ongoing functionality. Existing lease structure and renewal options should be reviewed in detail as part of any purchase or underwriting process.

Key Highlights

  • Freestanding building leased to NASDAQ‑listed DocGo Inc DBA Ryan Brothers Ambulance with 3+ years remaining
  • Lease includes 3.5% annual increases and two 1‑year tenant options
  • Heated/cooled facility with 2 garage bays plus finished space with 4 beds and 1.5 baths

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
$35,934
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
4.43%
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%
$718,680 $718.7K
Cap Rate 7%
$513,343 $513.3K
Cap Rate 9%
$399,267 $399.3K
Market Conditions
NOI Build-Up for 3,660 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
$52.7K $14.40/SF
− Vacancy
−$1.4K −$0.37/SF
EGI
$51.3K $14.03/SF
− OpEx
−$15.4K −$4.21/SF
NOI
$35.9K $9.82/SF
Area
Dane County, WI
Vacancy
2.60%
Lease Rate
$14.40 /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%
$718,680
Cap Rate 7%
$513,343
Cap Rate 9%
$399,267

Alternative Uses

Best Use
Industrial
$513.3K
$449.2K – $598.9K (±1% cap)
NOI $35,934 @ 7.0% cap · market cap 4.43%
Second Best
Flex RnD
$445.8K
$390.1K – $520.2K (±1% cap)
NOI $31,209 @ 7.0% cap · market cap 3.85%
Theoretical Best
Office A
$850.5K
$744.2K – $992.3K (±1% cap)
NOI $59,535 @ 7.0% cap · market cap 7.34%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Ryan Brothers Ambulance Ambulance Service

Suggested Use

Top Pick Restaurant Bar & Pub

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
Service bays

Location Intelligence

Trade Area within ½ mile

5
Businesses Nearby
Well-served
Demand for This Use

Demographics for 53531, WI

4,558
Population
1,612
Households
2.8
Avg Household Size
41
Median Age
39%
College-Educated
96%
High-School Grad
41.1 sq mi
ZIP Area
111
Density / Sq Mi
$105,156
Median Household Income
$54,693
Median Earnings
$1,094
Median Rent
$334,400
Median Home Value

Market

Vacancy Rate% for Industrial in Midwest region

4.4% 2019
4.9% 2020
3.6% 2021
3.1% 2022
4.6% 2023
5% 2024
4.9% 2025
Rey
Questions? Ask Rey
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Frequently Asked Questions

What type of property is this?
Flex space - A freestanding leased facility with heated bays and finished residential-style space, offering a functional mixed-use layout.
Where is this flex space located?
The property is located at 220 River Birch Deerfield, WI.
What is the asking price?
The asking price for this property is $811,543.
What are key features of this property?
This property features: Freestanding building leased to NASDAQ‑listed DocGo Inc DBA Ryan Brothers Ambulance with 3+ years remaining; Lease includes 3.5% annual increases and two 1‑year tenant options; Heated/cooled facility with 2 garage bays plus finished space with 4 beds and 1.5 baths
(262) 490-8814 Call to check price and availability
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