John Porth

Vice President

John Porth has been with the Thomas Duke Company since 2005. Working primarily in Livingston County, Southern Genesee and Western Oakland counties, he began his career in the building & construction industry. John decided to obtain his real estate license in order to further assist builders and developers secure land for both commercial and residential development. As his role at Thomas Duke Company expanded, he began to specialize in marketing properties on behalf of both Sellers and Landlords to Investors, Users, and Tenants. Along with land for development, his extensive portfolio includes office, retail, and industrial properties.

John is a graduate of Central Michigan University and a United States Army veteran. He has been an active member of his community when not in the office, involved extensively in coaching and volunteer work. He prides himself on his positive attitude, experience in his market, and work ethic.

67 Properties

108-110 E. Grand River - LEASE

Brighton, MI, 48116

Downtown Brighton location. Outstanding visibility on Grand River in the heart of downtown shopping district.

$20.00 SF/yr
11,274 SF
1 Space
11,274 SF Bldg
Free Standing Building

108-110 E. Grand River

Brighton, MI, 48116

Downtown Brighton location. Outstanding visibility on Grand River in the heart of downtown shopping district.

$2,487,848
11,274 SF
Free Standing Building

116 Mill Street

Fenton, MI, 48430

Two story Med-Spa building located in Downtown Fenton.

$2,100,000
5,632 SF
Free Standing Building

118 E Grand River Ave - LEASE

Brighton, MI, 48116

Not Provided

$20.00 SF/yr
2,276 SF
1 Space
2,276 SF Bldg
Restaurant

118 E Grand River Ave

Brighton, MI, 48116

Situated in the vibrant Downtown Business District (DBD), this prime location offers exceptional visibility and endless possibilities. Previously home to the renowned Jameson's Irish Pub, this property presents a unique opportunity for a retail or restaurant investor to make their mark in this sought-after area. With the potential for assembly with 110 Grand River, this property holds even greater promise.

$515,000
2,276 SF
Restaurant

4.17 Acres Grand River

Howell, MI, 48843

4.17 acres ready for development on Grand River Ave in Howell, MI.

$1,025,000
4.17 Acres
Retail

2.29 Acres Highland Road

Howell, MI, 48843

Residential Land for Development.

$125,000
2.29 Acres
Multifamily

10489 Grand River

Brighton, MI, 48116

Retail/Office property

$18.00 SF/yr
1,600 SF
1 Space
17,141 SF Bldg

5918 Meridian Blvd.

Brighton, MI, 48116

Multi-Tenant Office Building.

$16.00 SF/yr
1,350 - 2,147 SF
3 Spaces
7,680 SF Bldg

Brighton Pointe

Brighton, MI, 48114

1,503 SF available in the popular Brighton Pointe building.

$19.00 SF/yr (Gross + Utilities)
1,503 SF
1 Space
6,456 SF Bldg

8685 Grand River

Brighton, MI, 48116

2 Unit Office/Retail Building.

$21.00 SF/yr
3,200 SF
1 Space
7,864 SF Bldg
Medical

115+/- Acres Chilson Road & I96

Howell, MI, 48843

(5) Vacant Parcels for Development with frontage on I-96 and Chilson Road in Genoa Twp.

$2,187,000
115.05 Acres
Residential

Grand Howell Center

Howell, MI, 48843

Office or Retail space located on the north side of Grand River, one block West of Michigan Avenue in award winning Downtown Howell.

$17.00 SF/yr
2,320 SF
1 Space
20,370 SF Bldg
Strip Center

10489 Grand River

Brighton, MI, 48116

Retail/Office property

$20.00 SF/yr
4,800 SF
1 Space
17,141 SF Bldg

6.9+/- Acres Grand River

Brighton, MI, 48114

Mixed Use Opportunity.

$7,500,000
6.9 Acres
Retail

1.75 Acres Old US 23

Brighton, MI, 48114

This 1.75 Acre site offers significant upfront cost savings and streamlined readiness for construction. Ideal for Commercial, Office, of Mixed-Use Development.

$238,500
1.75 Acres
Industrial

6350 Whitmore Lake Road

Northfield Township, MI, 48189

Current Landscape Yard with Outside Storage.

$1,200,000
6.63 Acres
Retail

Huntington Center

Brighton, MI, 48116

Multi-Tenant, Mixed-Use Building.

$1,200.00 per month (Gross + Utilities)
1,183 SF
1 Space
20,200 SF Bldg

25280 Seeley Road

Novi, MI, 48375

Free-Standing Office Building.

$1,900.00 per month
1,508 SF
1 Space
1,508 SF Bldg

3080 Toddiem Drive

Howell, MI, 48843

Industrial Warehouse with 5 Acres of Fenced Outdoor Storage.

$14,000.00 per month
14,400 SF
1 Space
14,400 SF Bldg
Flex Space

195+/- Acres Grand River

Fowlerville, MI, 48836

Vacant Land ready for Industrial Development.

$3,912,000
195 Acres
Industrial

8550 W Grand River

Brighton, MI, 48116

Multi-Tenant Office Building for Lease

$22.00 SF/yr
2,500 SF
1 Space
9,202 SF Bldg

620 W. Grand River Avenue

Brighton, MI, 48116

Freestanding Retail Building

$5,000.00 SF/yr
5,000 SF
1 Space
5,000 SF Bldg
Free Standing Building

Woodland Plaza

Brighton, MI, 48114

Retail Strip Center with space for lease.

$12.00 SF/yr
1,200 - 1,200 SF
3 Spaces
20,097 SF Bldg
Strip Center

1.1 Acres Commerce Park Drive

Chelsea, MI, 48118

Vacant Land

$450,000
1.1 Acres
Office

1.68 Acres Grand River

Brighton, MI, 48116

Vacant Land for Development.

$1,100,000
1.68 Acres
Retail

0.4 Acres Grand River & South Street

Howell, MI, 48843

Vacant Land for Development.

$200,000
0.4 Acres
Retail

207 N Michigan Ave

Howell, MI, 48843

Prominent Office Building in Howell

$16.00 SF/yr
1,620 - 2,773 SF
2 Spaces
12,350 SF Bldg

10448 Citation Drive LEASE

Brighton, MI, 48116

Two Unit Office Building with space available for lease.

$14.00 SF/yr
8,800 SF
1 Space
13,800 SF Bldg

SE Corner Michigan Avenue & Marion Street

Howell, MI, 48843

Vacant Land for Development

$225,000
0.79 Acres
Retail

75 Acres SWC US23 & Clyde Road

Hartland, MI, 48430

Industrial Vacant Land. Foundation for 65,000 SF has been poured, and property has been balanced.

5.36 Acres M-36

Green Oak Township, MI, 48189

Commercial land for development located on M-36, just west of US-23.

$1,150,000
5.36 Acres
Retail

15+/- Acres Spencer Road

Brighton, MI, 48116

Residential Vacant Land. Outstanding development opportunity with utilities nearby.

$2,950,000
15 Acres
Residential

603 W Grand River

Brighton, MI, 48116

Multi Tenant building housing retail, medical, and general office space.

$14.00 SF/yr
2,000 SF
1 Space
16,662 SF Bldg

5303 Old US 23

Brighton, MI, 48116

Retail/Office building with great potential. Ready for the final touches.

$250,000
2,568 SF
Free Standing Building

4533 Grand River

Howell, MI, 48843

Build to Suit for Lease

$35
6,000 SF
0.7 Acres
Retail

Heritage Square PUD - 90 Senior Living Units

Howell, MI, 48843

Shovel Ready: Heritage Square Planned Unit Development in Howell, Michigan.

$1,080,000
90 Acres
Residential

Heritage Square PUD - 296 Apartment Units

Howell, MI, 48843

Shovel Ready: Heritage Square Planned Unit Development in Howell, Michigan.

$2,960,000
296 Acres
Residential

17.39 Acres Willoughby & Cedar Park Drive

Holt, MI, 48842

17.39 Acres zoned RM - Residential Multifamily - allows for 6-12 unit acres.

$700,000
17.39 Acres
Multifamily

1.65 Acres Highland Road

Howell, MI, 48843

Vacant Land for Development

$120,000
1.65 Acres
Multifamily

24+/- Acres SWC Latson & I-96

Howell, MI, 48843

Commercial Vacant Land for development.

$1,600,000
24 Acres
Retail

Pine Hollow Office Building

Brighton, MI, 48116

Multi-Tenant General Office Building

$22.00 SF/yr
10,188 - 12,084 SF
2 Spaces
20,000 SF Bldg

31 Acres Spencer Road

Brighton, MI, 48116

Residential Vacant Land. Outstanding development opportunity with utilities nearby.

$5,255,000
31 Acres
Multifamily

88+/- Acres S. Lapeer Road

Lapeer, MI, 48455

88 Flat Acres just south of the Village of Metamora.

$1,760,000
88 Acres
Residential

611 E. Grand River

Howell, MI, 48843

Third Floor office space located in the City Hall Building in Downtown Howell.

$17.00 SF/yr (Plus taxes, insurance and utilities)
5,523 SF
1 Space
19,682 SF Bldg

Ewing Professional Building

Howell, MI, 48843

Multi Tenant Office/Retail Building

$17.50 SF/yr
1,150 - 1,490 SF
2 Spaces
7,230 SF Bldg

Square One Development

Hartland, MI, 48353

Seven (7) commercial outlots for development ranging from 1.24 Acres to 3.95 Acres.

Woodfield Parkway PUD - Grand Blanc

Grand Blanc, MI, 48439

Final component to an almost fully developed/occupied PUD. Various options for development/design standards. All utilities available off site.

$335,000
123.4 Acres
Multifamily

4.85 Acres Swartz Creek

Swartz Creek, MI, 48473

Various development options included in the General Business District (GBD) - uses included in brochure.

$200,000
4.85 Acres
Retail

67 Acres Gregory Road

Fowlerville, MI, 48836

Vacant Industrial Land

$3,350,000
67 Acres
Industrial

15800 Haggerty Road LEASE

Plymouth, MI, 48170

Office Building

$18.00 SF/yr (Gross + Electric)
54,474 SF
1 Space
54,474 SF Bldg

13+/- Acres Old US23

Brighton, MI, 48116

Undeveloped Vacant Land

$329,000
13.2 Acres
Office

8.26 Acres Spencer Road

Brighton, MI

Vacant Residential Land

$910,000
8.26 Acres
Multifamily

4+/- Acres Grand River

Fowlerville, MI, 48836

Vacant Land

$300,000
4 Acres
Office

Brewer Meadows

Howell, MI, 48855

A Site Plan Approved Single Family Residential Development

$4,000,000
37.15 Acres
Residential

Birchwood Office Center

Howell, MI, 48843

3 Building Office Center

$17.00 SF/yr
1,847 - 2,670 SF
4 Spaces
10,644 SF Bldg

15800 Haggerty Road

Plymouth, MI, 48170

Office Building

Deerfield Preserve

Brighton, MI, 48116

Residential Development

$1,950,000
62 Acres
Residential

Brookside Mall - Lease

Brighton, MI, 48116

A multi-tenant retail center consisting of four buildings.

$31.00 SF/yr
1,134 - 2,690 SF
5 Spaces
43,786 SF Bldg
Neighborhood Center

1.5 Acres Grand River

Genoa Township, MI, 48843

Site Plan approved for 18,000 sf

$375,000
1.5 Acres
Retail

1.3 Acres Grand River

Howell, MI, 48843

Built-to-Suit for lease opportunity.

$35.00 SF/yr
25,000 SF
1 Space
25,000 SF Bldg
Strip Center

2.24 Acres Grand River-Howell

Howell, MI, 48843

Medical or General Office use.

$179,900
2.24 Acres
Office

3.08 Acres Old US23

Brighton, MI, 48114

Vacant land

$155,000
3.08 Acres
Office

3.16 Acres Grand River

Howell, MI, 48843

General Commercial Land.

$185,000
3.16 Acres
Office

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