Entity Owned
No photos on file
For Sale
Contact for pricing
21815 Greater Mack Ave, St Clair Shores, MI 48080
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Property profile
Verified
Property type
Retail space
Use group
RETAIL STORES (PERSONAL SERVICES)
Year built
1946
Total area
4,200 SF
Lot
0.26 ac (11,413 SF)
Zoning code
B-1
APN
09-14-34-306-037
UPID
US43-0906228
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Current use
Occupant on record · Public records
-
Gym & Fitness Center
Location
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$598k
Blend (final)
Blend
$355k
Owner & transaction history
since 2024
Last sale
$490,000
7 recorded transactions
Zoning & alternative use
B-1 · Saint Clair Shores, MI
Zoning description
IAL DISTRICT (HIGH RISE) Expand ARTICLE IX. - O-1 OFFICE SERVICE DISTRICT ARTICLE IX. - O-1 OFFICE SERVICE DISTRICT Expand ARTICLE X. - CR COMMERCIAL RECREATION ARTICLE X. - CR COMMERCIAL RECREATION Expand ARTICLE XI. -…
General category
COMMERCIAL
Top alternative use upside
Medical building
$515,000
+29.0%
Commercial (general)
$430,000
+7.9%
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
Value estimation
Instant AI valuation built from comps, income signals, and proprietary benchmarks. A defensible range, not a single guess.
17% off on annual
Unlock the complete Valuation workflow
Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
All 10 comparables with addresses
5 alternative uses screened
Sensitivity value band
Source audit · 6 inputs
PDF export
Analytics Standard · 5 reports
from $99/month
from $99/month
Summary
1
Valuation conclusion
Included free
Estimated market value
$355k
Value range
$320k – $391k
±10% around blend
Estimated value / SF
$85 / SF
Confidence
High
10 county-verified comps
Property data
100
Market benchmarks
100
Comparable evidence
100
$320k
blend $355k
$391k
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
4,200 SF
Lot area
0.26 ac
Year built
1946
Stories
1
APN
09-14-34-306-037
Zoning
B-1
Assessed value
$184,900
Annual tax
$10,153
3
Income approach: direct capitalization
Partial preview
Not enough income data on file for a CAP-approach estimation.
4
Sales comparison
Partial preview
Sales approach indication
$307k
Weighted, 10 comps · high confidence
Evidence
10 found · 6 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
3.0 mi away · 3,120 SF
3.2 mi away · 3,970 SF
3.9 mi away · 4,564 SF
4.0 mi away · 3,188 SF
4.8 mi away · 4,000 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$355k
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
ZIP 27 sales
$95
-11%
Submarket 53 sales
$97
-13%
County 339 sales
$104
-19%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $85/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Alternative use screening
Partial preview
Top alternative use
Medical Building
Gross theoretical uplift
+29%
vs current-use indication
Commercial (general)
Retail Stores · current use
Auto Repair, Garage
Office Building
Values shown before conversion costs, entitlement costs, capital expenditures and stabilization risk.
8
Data & methodology
Included free
Building area
County record
Property tax
County record
Assessed value
County record
Zoning designation
County record
Operating expenses
Not available
Market rent
Not available
Not analyzed due to unavailable source data: actual rent roll, tenant leases, physical condition and capital
requirements are outside a desktop analysis.
Cost Approach excluded: replacement-cost inputs are not on file.
Automated valuation analysis, not a licensed appraisal. Figures are derived from public
records and proprietary models. Desktop analysis: no physical inspection, tenant leases or reported
property income. Verify with a licensed appraiser before transacting.
Cap rate
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
17% off on annual
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
Comparable evidence · 10 sales
Market rates by use type
PDF export
Analytics Standard · 5 reports
from $99/month
from $99/month
Overview
No cap rate is computable for this property yet: no recorded sale, income signal or market-rate row for its use type.
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$490k
Move the market yield to see immediate price impact.
Value / SF
$117
Vs. selected
Base
Derivation
NOI ÷ cap
Arithmetic over the derived NOI * — not market scenario modeling.
NOI × cap matrix
Preview
Preview of 9 modeled outcomes.
NOI
5.00%7.00%9.00%
$31k
$617k
$441k
$343k
$34k
$686k
$490k
$381k
$38k
$755k
$539k
$419k
NOI sensitivity ±10% across the 5 / 7 / 9% anchors — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
10 found
High confidence · county-verified
Closest comparable
$155k
2.5 mi · Dec 2025 · $45/SF
Property tax & assessments
Tax year 2022Property tax & assessments
Tax year 2022
Tax billed
$10,153
Tax year 2022
Assessed value
$184,900
Assessed 2023
Previous assessed
$168,200
+9.9% YoY
Effective rate
5.49%
On assessed value
Total market value
$369,800
Automated cap rate analysis. Based on public records, market benchmarks and proprietary
models. Verify with a licensed professional before transacting.
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Retail space
Use group
RETAIL STORES (PERSONAL SERVICES)
Status
For Sale
Year built
1946
Heating
FORCED AIR
Stories
1
Total area
4,200 SF
Lot
0.26 ac (11,413 SF)
Zoning code
B-1
APN
09-14-34-306-037
UPID
US43-0906228
Jurisdiction
MACOMB
Metro division
WARREN-TROY-FARMINGTON HILLS, MI METROPOLITAN DIVISION
Zoning & alternative use
B-1 · Saint Clair Shores, MIZoning B-1 · permitted uses
B-1 · Saint Clair Shores, MI
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Zoning description
IAL DISTRICT (HIGH RISE) Expand ARTICLE IX. - O-1 OFFICE SERVICE DISTRICT ARTICLE IX. - O-1 OFFICE SERVICE DISTRICT Expand ARTICLE X. - CR COMMERCIAL RECREATION ARTICLE X. - CR COMMERCIAL RECREATION Expand ARTICLE XI. -…
General category
COMMERCIAL
Alternative use value scenarios
Repositioning upside vs current use
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Building & site characteristics
From public records
Year built
1946
Heating
FORCED AIR
Stories
1
Lot
0.26 ac
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
Matched to the official district catalog
B-1
COMMERCIAL
Jurisdiction
Saint Clair Shores, MI
Recorded code
B-1
Official district
B-1
Official district profile
What the municipal code says about B-1
Zoning description
IAL DISTRICT (HIGH RISE) Expand ARTICLE IX. - O-1 OFFICE SERVICE DISTRICT ARTICLE IX. - O-1 OFFICE SERVICE DISTRICT Expand ARTICLE X. - CR COMMERCIAL RECREATION ARTICLE X. - CR COMMERCIAL RECREATION Expand ARTICLE XI. -…
General category
COMMERCIAL
Zoning Insight
What can be built and operated here — officially.
The district profile from the municipal source: what is on file for B-1 in Saint Clair Shores, MI.
What opens after registration
Zoning profile
Official descriptionThe district text from the municipal code
District factsZone name, category and district area
2 official documentsVerified municipal sources with file download
Match provenanceAssignment basis, match tier and confidence
Private report access
See the official zoning profile for this address.
Registration is required before the official district profile is shown.
One complete report on every paid plan · 5 · 30 · 100 reports per month.
Ownership Intelligence
Find the owner behind the property.
Unlock the evidence behind ownership: portfolio, transactions, debt and signals that help you decide who to contact next.
What opens after registration
Ownership report
Owner identityResolved entity and name variants
Portfolio holdingsLinked properties and estimated value
Deal signalsSell-side activity worth following
Debt & historyRecorded loans and transaction history
Private report access
See the ownership record for this address.
Registration is required before any owner information is shown.
One complete report on every paid plan · 5 · 30 · 100 reports per month.
Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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