St Clair County, MI Office buildings for sale

Updated: Oct 14, 2025

Office Building with Marquee Sign

3103 Lapeer Road, Port Huron, MI 48060

$183,998

2,704 sqft 0.19 AC lot

2,704‑square‑foot office building on a 0.19‑acre parcel
B3 zoning
14 parking spaces
12' x 4' marquee sign
Adjacent to an O'Reilly Auto Parts location

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Updated: Aug 13

Office Building with Newer Roof

3081 Commerce Dr, Fort Gratiot, MI 48059

$1,225,000

7,890 sqft

Approximately 67% leased office building
Newer roof
3081 Commerce Dr, Fort Gratiot, MI
Near Birchwood Mall and Port Huron‑area retail corridors
Close to Walmart, Meijer, Kroger, Home Depot, Aldi, and Chick‑fil‑A

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Commercial Office Building Near Downtown

933 Pine Grove Ave, Port Huron, MI 48060

$700,000

6,865 sqft

6,865 SF commercial office building in downtown Port Huron.

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Medical Office Building Across from Hospital

1217 Kearney St, Port Huron, MI 48060

Contact for pricing

3,748 sqft

Functional layout supports exam rooms, administrative offices, and shared patient waiting areas.

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Repurposed Multi-Use Neighborhood Center

301 N 9th St, Saint Clair, MI 48079

$1,790,000

A professionally repurposed former elementary school offering space for offices, fitness, daycare, nonprofits, and service businesses.

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Professional Office Building

3177 Main St, Emmett, MI 48022

$495,000

3,160 sqft

Well-maintained office building with reception area, private offices, and ADA-compliant accessibility near major roads.

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Class A Office in Port Huron

600 Fort St, Port Huron, MI

Contact for pricing

33,541 sqft

33,541 SF Class A office building, fully leased.

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Six-Story Mixed-Use Building

100 McMorran Blvd, Port Huron, MI 48060

$3,500,000

97,285 sqft

Riverfront building with upper levels suited to residential, retail, or office conversion and an included parking deck.

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Downtown Port Huron Mixed-Use Building

112 Grand River Ave, Port Huron, MI 48060

$1,700,000

42,840 sqft

Two-story, 42,840 SF building in downtown Port Huron.

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Based on your search, we've compiled 73 Potential Opportunities for your consideration. Besides 9 Active listings in St Clair County, MI, we suggest exploring several alternatives: similar 63 Off-Market properties to explore as potential leads, plus 1 Land Listings that present a potential for development.

Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

C-2 Commercial Land

16701 25 Mile Road, Macomb, MI 48042

$250,000

0.47 AC lot

Vacant commercial parcel with public water service and a business-oriented zoning designation.

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Off-Market Properties in St Clair County, MI

Consider similar Off-Market properties in St Clair County, MI. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.