Ownership intelligence

Who controls the opportunity?

Owner of record from public deeds, plus portfolio, hold profile and investor signals where the data supports them. Included with a plan.

Owner contacts

Can we reach the decision maker?

Skip-traced phones and e-mails of the owner. Included with a plan.

Debts

What is owed, to whom, and when it comes due

Recorded lenders, amounts and estimated maturities of the owner's loan book — included with a plan.

Property tax · 2022

What does the county charge?

$46k

Tax billed · 2022

Assessed value · 2023$920k

Effective rate4.96%

Value estimate

· Nov 2026

$2.56M

$2.30M – $2.81M

Submarket $/SF estimate$1.79M

NOI build-up

Gross scheduled income$96k

Vacancy & credit loss−$23k

Operating expenses−$18k

NOI · 297,729.73% cap applied$55k

Realmo valuation models over county records and 10 qualifying comparable sales.

Recently sold

What actually traded nearby?

$84/SF

ZIP average, outlier-cleaned · 29 recorded sales of this use type

Observed band · Q1–Q3$64 – $108

Qualifying comparables10

Cap rate analysis

How does the asset earn?

297,729.73%

$55k estimated NOI · market benchmarks for this use type

Price anchors at 6 / 6.5 / 7% — in the full report.

Zoning insight

What can be built here?

B-1

IAL DISTRICT (HIGH RISE) Expand ARTICLE IX. - O-1 OFFICE SERVICE DISTRICT ARTICLE IX. - O-1 OFFICE SERVICE DISTRICT Expand ARTICLE X. - C...

General categoryCOMMERCIAL

JurisdictionMACOMB

Location intelligence

Which uses thrive at this corner?

Best fit: Realty agency

Demand heat for this use is drawn on the map · LocInt grid

Demand index

Realty agency13.5

Electrical Service11.2

Computer & Electronic Repair11.1

21420 Greater Mack Ave St Clair Shores, MI 48080

County assessor Recorded deeds · 3 transfers 10 qualifying comp sales Zoning catalog

Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.

Comparables

6 recorded sales · 16 properties nearby

Address Sale price Sold Size

21711 Harper, Saint Clair Shores, MI 48080-2219 $650,000 Feb 2025 10,207 SF

24220 Jefferson, Saint Clair Shores, MI 48080-1588 $1,200,000 Feb 2025 6,750 SF

22704 Harper, Saint Clair Shores, MI 48080-1823 $510,000 Apr 2024 4,339 SF

19724 9th Mile, Saint Clair Shores, MI 48080-1687 $640,000 Mar 2024 9,454 SF

21420 Harper, Saint Clair Shores, MI 48080-2244 $280,000 Oct 2023 4,558 SF

19601 8th Mile, Saint Clair Shores, MI 48080-1655 $725,000 May 2022 15,286 SF

Sale prices and dates as our records hold them, one row per building. A deed can cover more of a building than the size shown, so read the price against the size rather than dividing one by the other.

Comparable nearby

Value Estimation
$1,090,000

12,738 SF

19501 8th Mile Rd

OFFICE BUILDING

19501 8th Mile Rd, Saint Clair Shores, MI 48080-1643

View Details
Value Estimation
$520,000

8,182 SF

23233 9th Mack Dr, Unit 7

OFFICE BUILDING

23233 9th Mack Dr, Saint Clair Shores, MI 48080-1969

View Details
Value Estimation
$465,000

6,052 SF

23411 Jefferson Ave

OFFICE BUILDING

23411 Jefferson Ave, Saint Clair Shores, MI 48080-1949

View Details
Value Estimation
$385,000

6,018 SF

21537 Harper Ave

OFFICE BUILDING

21537 Harper Ave, Saint Clair Shores, MI 48080-2207

View Details
Value Estimation
$470,000

5,719 SF

24000 Greater Mack Ave

OFFICE BUILDING

24000 Greater Mack Ave, Saint Clair Shores, MI 48080-1408

View Details
Value Estimation
$405,000

3,848 SF

22100 Harper Ave

OFFICE BUILDING

22100 Harper Ave, Saint Clair Shores, MI 48080-1830

View Details

Similar Nearby for Sale

New

Contact for pricing
12,080 SF

Freestanding Medical Office Space

Henry Ford Health occupies the property under a double-net lease, with no renewal options remaining.

St Clair Shores, MI 48080

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New

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Office Building for Sale

For sale office property at 24025 Greater Mack Ave, St. Clair Shores, MI 48080.

24025 Greater Mack Ave, Saint Clair Shores, MI 48080

View Details
New

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Office Building with Parking

Office building for sale offering up to 3,300 SF of available leasing space with ample parking.

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Freestanding Built-Out Office Building

Fully configured office property with multiple private rooms, conference areas, support spaces, and dedicated parking.

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Similar Nearby for Lease

$14.95 SF/Yr

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Medical Suite on Greater Mack

2,333 SF medical suite with exam rooms and lab.

Saint Clair Shores, MI 48080

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Contact for pricing
6,708 sqft

Medical Office Building

Medical or service-based office space with on-site employee and client parking and recent exterior and interior renovations.

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$15 SF/Yr

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Former Medical Office Suite

Well-maintained office park suite formerly used as a medical office, available for lease near I-94.

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New

$15 SF/Yr

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Office Suite with Parking

Office suite available near a new Kroger shopping center with 24 parking spaces and approximately 2,700 SF.

22790 Harper Ave, Saint Clair Shores, MI 48080

View Details
Contact for pricing
5,497 sqft

Signalized-Corner Office Units

Greater Mack Avenue frontage places the property along a neighborhood commercial corridor with access to I-94.

23001 Greater Mack Ave, Saint Clair Shores, MI 48080

View Details
New

$22.50 SF/Yr

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Build-to-Suit Medical Office Space

Customizable professional space with prominent building signage and expressway access.

St Clair Shores, MI 48080

View Details