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Property profile & analytics
OFF-MARKET
Estimated value
$675,000
Office buildings
21711 Harper Ave, Saint Clair Shores, MI 48080-2219
Entity Owned
1-yr Hold
Free & Clear
Property ID
US43-1454768
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1987
Total area
10,207 SF
Lot
0.82 ac (35,676 SF)
Zoning code
B-1
APN
09-14-33-404-029
UPID
US43-1454768
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
Current use
Occupant on record · Public records
-
Des Inc Social Service Agency Charitable Organization
-
Rome Tailor & Alterations (Bike/Boat/Book/etc) Store
-
BonAFide Massage Alternative Medicine Practice Spa & Massage Center
-
Utulivu Esthetics Spa & Massage Center
-
D.O.L.L.S. Cleaning Hardware & Home Improvement
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$701k
Blend (final)
Blend
$675k
Owner & transaction history
1153 Sunningdale LLC · 1 yrs held
1153 Sunningdale LLC
since 2025
Last sale
$650,000
7 recorded transactions
Zoning & alternative use
B-1 · Saint Clair Shores, MI
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Commercial (general)
$1.1M
+21.9%
Retail stores
$970,000
+12.9%
Auto repair, garage
$880,000
+2.0%
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 Saint Clair Shores submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Saint Clair Shores 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
OFFICE BUILDING
$860,000
Current use
COMMERCIAL (GENERAL)
$1,050,000
Change: +22% · Conversion: Easy
RETAIL STORES
$970,000
Change: +13% · Conversion: Moderate
AUTO REPAIR, GARAGE
$880,000
Change: +2% · Conversion: Difficult
Blend value · Realmo final
$675k
Range $608k – $743k · ±10% · vs last sale $650k (Feb 19 2025)
Last sale anchor
$650k
Feb 19 2025
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
$66 / 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
$19,329
Tax year 2022
Assessed value
$333,300
Assessed 2023
Previous assessed
$321,600
+3.6% YoY
Effective rate
5.80%
On assessed value
Total market value
$666,600
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
Office buildings
Use group
OFFICE BUILDING
Status
Off-Market
Year built
1987
Heating
FORCED AIR
Stories
1
Total area
10,207 SF
Lot
0.82 ac (35,676 SF)
Zoning code
B-1
APN
09-14-33-404-029
UPID
US43-1454768
Jurisdiction
MACOMB
Metro division
WARREN-TROY-FARMINGTON HILLS, MI METROPOLITAN DIVISION
Zoning & alternative use
B-1 · Saint Clair Shores, MI
Zoning B-1 · permitted uses
B-1 · Saint Clair Shores, MI
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Saint Clair Shores. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
OFFICE BUILDING Current
Est. value
$860,000
COMMERCIAL (GENERAL)
Est. value
$1.1M
RETAIL STORES
Est. value
$970,000
AUTO REPAIR, GARAGE
Est. value
$880,000
OFFICE BUILDING Current
COMMERCIAL (GENERAL)
RETAIL STORES
AUTO REPAIR, GARAGE
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
1987
Heating
FORCED AIR
Stories
1
Lot
0.82 ac
Current owner
From public records · entity-resolved
1153 Sunningdale LLC
Entity
Free & Clear · 1 yrs held
Mailing address
625 ROSLYN RD, GROSSE POINTE WOODS, MI 48236-1345
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
7 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
May 19, 2025
$650,000
1153 Sunningdale LLC
21719 Harper Ave LLC
Warranty Deed
—
Feb 18, 2025
—
1153 Sunningdale LLC
21719 Harper Ave LLC
Deed
—
Mar 26, 2024
—
21719 Harper Ave LLC
—
Deed
related
$225,000 · Community Financial Cu
Sep 6, 2017
—
21719 Harper Ave LLC
National Mgmt Systems LLC
Quit Claim Deed
related
—
Jun 11, 2014
$450,000
National Management Systems LLC
Little Mack Enterprises INC
Warranty Deed
—
Oct 20, 2005
—
Little Mack Ents INC
—
Deed Of Trust
related
$25,308,219 · Fifth Third Bank
—
—
Little Mack Ents INC
—
Deed Of Trust
related
$25,020,000 · Fifth Third Bank
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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