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Property profile & analytics
OFF-MARKET
Estimated value
$535,000
Medical Office Space
21003 Mack Ave Grosse Pointe Woods, MI 48236-1333
Entity Owned
1-yr Hold
Absentee Owner
Free & Clear
Property ID
US43-1695588
Property summary
AI-generated overview
This exceptional Grosse Pointe Woods medical office building, located at 21003-21015 Mack Avenue, offers 4,800 square feet of space, divisible into three suites, each a minimum of 760 square feet. The property boasts a convenient corner lot location on desirable Mack Avenue in Wayne County, Michigan, zip code 48236. The single-story building features 24 dedicated parking spaces, a significant advantage for both staff and clients. The flexible C-Commercial Business zoning allows for a variety of uses, beyond its most recent configuration as a radiology, x-ray, mammography, MRI, and imaging center. The entire 4,800 square feet is currently vacant and available for immediate occupancy. This presents a unique opportunity for a single tenant to occupy the entire building or for multiple tenants to lease individual suites. The property is available for sale or lease, and serious offers will be considered. The building's address is 21003-21015 Mack Ave, Grosse Pointe Woods, MI 48236. Wayne County APN: 003-06-0086-300.
Property profile
Verified
Property type
Medical Office Space
Use group
MEDICAL BUILDING
Year built
1957
Total area
4,943 SF
Lot
0.22 ac (9,583 SF)
Zoning code
C
APN
40 003 06 0086 300
UPID
US43-1695588
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Implied cap rate, NOI & suggested price
Cap vs submarket · NOI estimate · 3 price anchors
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$471k
Blend (final)
Blend
$535k
Owner & transaction history
National Solutions INC · 1 yrs held
National Solutions INC
since 2025
3 recorded transactions
Zoning & alternative use
C · Grosse Pointe Woods, MI
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Commercial (general)
$450,000
+44.9%
Neighborhood: shopping center
$375,000
+20.2%
Retail stores
$340,000
+9.7%
Cap rate
Implied · in-place · derived from last sale + estimated NOI
Implied Cap rate
#1
Implied · in-place · NOI ÷ last sale
In-place · derived from last sale + estimated NOI
Cap rate, NOI & submarket benchmark
Implied cap rate vs Grosse Pointe Woods submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Grosse Pointe Woods submarket · NOI estimate · typical band, median & reading
Refine your cap rate
8-question underwriting flow
1.
Property current status — Going-In vs Stabilized
2.
Price for denominator — asking / offer / market
3.
Leasing status & lease structure (NNN / Gross)
4.
Tenant risk profile & vacancy assumption
5.
Upload T12 / rent roll / OM (optional)
Refine in 60 seconds, get exact suggested price
T12 upload · Submarket benchmarks · Sensitivity grid
Suggested price · 3 cap rate anchors
Income approach @ 5% / 7% / 9% — aggressive / typical / conservative
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · Implied $/SF per anchor · Sensitivity grid
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · implied $/SF · sensitivity
Value
AI, CAP & Alternative Use estimations · Realmo proprietary blendValue Estimations
Based on Realmo’s proprietary methodology
AI Approach
Method
Estimation
Statistic approach
by Request
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
COMMERCIAL (GENERAL)
$450,000
Change: +45% · Conversion: Easy
NEIGHBORHOOD: SHOPPING CENTER
$375,000
Change: +20% · Conversion: Difficult
RETAIL STORES
$340,000
Change: +10% · Conversion: Difficult
Blend value · Realmo final
$535k
Range $482k – $589k · ±10%
Realmo estimate · informational only.
These numbers are calculated by our models from public records and may not reflect actual market value.
Not an appraisal.
Verify with a licensed appraiser before transacting. Realmo accepts no liability for divergence from real-world outcomes.
View the full estimation — every method, every assumption
Confidence drivers & risk notes · Custom comparable set · Free for first 3 / day
Full estimation methodology
Every method · every assumption · confidence drivers
Price per SF
Sale + rent benchmarks
Subject property
$108 / SF
Submarket sale & rent benchmarks
Median sale $/SF · Asking & closed rent · Submarket vacancy
Submarket sale & rent benchmarks
Median sale $/SF · asking & closed rent · submarket vacancy
Property tax & assessments
Tax year 2022Property tax & assessments
Tax year 2022
Tax billed
$26,939
Tax year 2022
Assessed value
$393,800
Assessed 2024
Previous assessed
$386,000
+2.0% YoY
Effective rate
6.84%
On assessed value
Total market value
$787,600
Applied tax rate
82,055.0000
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
Similar Nearby for Sale
Similar Nearby for Lease
Recent comparable sales
Sale price & price/SF · Sale date & distance · Adjustments & confidence
Recent comparable sales
Sale price & $/SF · sale date & distance · adjustments
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Medical Office Space
Use group
MEDICAL BUILDING
Status
Off-Market
Year built
1957
Heating
FORCED AIR
Buildings
1
Stories
1
Total area
4,943 SF
Lot
0.22 ac (9,583 SF)
Zoning code
C
APN
40 003 06 0086 300
UPID
US43-1695588
Jurisdiction
WAYNE
Metro division
DETROIT-LIVONIA-DEARBORN, MI METROPOLITAN DIVISION
Zoning & alternative use
C · Grosse Pointe Woods, MI
Zoning C · permitted uses
C · Grosse Pointe Woods, MI
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Grosse Pointe Woods. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
COMMERCIAL (GENERAL)
Est. value
$450,000
NEIGHBORHOOD: SHOPPING CENTER
Est. value
$375,000
RETAIL STORES
Est. value
$340,000
COMMERCIAL (GENERAL)
NEIGHBORHOOD: SHOPPING CENTER
RETAIL STORES
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Alternative use deep dive
Conversion cost · permit path · stabilized NOI per option
Building & site characteristics
From public records
Year built
1957
Heating
FORCED AIR
Stories
1
Buildings
1
Lot
0.22 ac
Current owner
From public records · entity-resolved
National Solutions INC
Entity
Free & Clear · 1 yrs held
Mailing address
3977 LOCH BND DR, COMMERCE TOWNSHIP, MI 48382-4342
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2025
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
3 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jan 9, 2025
—
National Solutions INC
Holven Properties Roslyn LLC
Warranty Deed
—
Dec 21, 2020
—
Holven Properties Mack LLC
—
Deed
related
$642,000 · Tcf National Bank
Oct 22, 2019
—
Holven Properties Roslyn LLC
M A X Investment Co
Warranty Deed
$253,788 · Wells Fargo Bank NA
Coming soon
Costs & Benchmarks
Operating expenses, capex projections, utility benchmarks, and submarket comparables — all in one view.
Coming soon
Risks
Flood, climate, environmental, title, and tenant-concentration risk — surfaced with mitigations and source citations.
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