About John
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.
Meet John
John's Listings
66 active properties represented by John Porth.
Howell Health Hub
645 W. Grand River, Howell, MI 48843
108,231 SF
24+/- Acres SWC Latson & I-96
3684 Beck Road, Howell, MI 48843
Ewing Professional Building - SALE
1004 Michigan Avenue, Howell, MI 48843
7,230 SF
18+/- Acres SEC Burkhart Road & I-96
Burkhart Road & I-96, Howell, MI 48843
0.84 Acres Michigan Avenue
1062 S Michigan Ave., Howell, MI 48843
SE Corner Michigan Avenue & Marion Street
805 Michigan Avenue, Howell, MI 48843
8.26 Acres Spencer Road
9628 Spencer Road, Brighton, MI 48114
750 Rickett Rd
750 Rickett Rd, Brighton, MI 48116
49,000 SF
75 Acres SWC US23 & Clyde Road
SWC US23 & Clyde Road, Hartland, MI 48430
6350 Whitmore Lake Road
6350 Whitmore Lake Road, Northfield Township, MI 48189
6.9+/- Acres Grand River
8059 W Grand River, Brighton, MI 48114
3.16 Acres Grand River
2900 E. Grand River, Howell, MI 48843
2.29 Acres Highland Road
138 W. Highland Road, Howell, MI 48843
2.24 Acres Grand River-Howell
Grand River Ave, Howell, MI 48843
13+/- Acres Old US23
3628 S. Old US-23 (south of), Brighton, MI 48116
12.67 Acres Chilson Road
NEC of Chilson Road & Beck Road, Genoa Township, MI 48843
108-110 E. Grand River
108 E. Grand River, Brighton, MI 48116
11,274 SF
102+/- Acres Chilson Road & I96
Chilson & I-96, Howell, MI 48843
1.65 Acres Highland Road
700 W. Highland Road, Howell, MI 48843
15800 Haggerty Road
15800 N. Haggerty Road, Plymouth, MI 48170
54,474 SF
15+/- Acres Spencer Road
9440 Spencer Road, Brighton, MI 48116
840 Rickett Rd
840 Rickett Rd, Brighton, MI 48116
28,950 SF
9901 Weber Street
9901 Weber Street, Brighton, MI 48116
11,704 SF
Square One Development
10100 E. Highland Road, Hartland, MI 48353
Brookside Mall - Lease
8601 W. Grand River Ave, Brighton, MI 48116
43,786 SF
211 W Main St
211 W Main St, Pinckney, MI 48169
4,400 SF
1.16 Acres Whitmore Lake Rd
8860 Whitmore Lake Rd, Brighton, MI 48116
109 W Main St
109 W Main St, Pinckney, MI 48169
15,200 SF
10448 Citation Drive LEASE
10448 Citation Drive, Brighton, MI 48116
13,800 SF
8050 Grand River
8050 Grand River, Brighton, MI 48114
2,000 SF
Brewer Meadows
1835 Brewer Road, Howell, MI 48855
5.36 Acres M-36
9411 E. M-36, Green Oak Township, MI 48189
15800 Haggerty Road LEASE
15800 N. Haggerty Road, Plymouth, MI 48170
54,474 SF
1.75 Acres Old US 23
1.75 Acres Old US 23, Brighton, MI 48114
108-110 E. Grand River - LEASE
108 E. Grand River, Brighton, MI 48116
11,274 SF
750 Rickett Rd - LEASE
750 Rickett Rd, Brighton, MI 48116
46,262 SF
Grand & Main
102 E. Grand River Avenue, Brighton, MI 48116
38,000 SF
Heritage Square PUD - 296 Apartment Units
NW Corner Mason Rd & Burkhart Rd, Howell, MI 48843
Woodfield Parkway PUD - Grand Blanc
10293 S Saginaw Road (north of), Grand Blanc, MI 48439
116 Mill Street
116 Mill Street, Fenton, MI 48430
5,632 SF
31 Acres Spencer Road
9440 Spencer Road, Brighton, MI 48116
67 Acres Gregory Road
3680 N. Gregory Road (adjacent to), Fowlerville, MI 48836
4+/- Acres Grand River
6687 Grand River, Fowlerville, MI 48836
620 W. Grand River Avenue
620 W Grand River Ave, Brighton, MI 48116
5,000 SF
Under Contract 20.03 Acres Acme Way
Acme Way, Brighton, MI 48144
Ewing Professional Building
1004 Michigan Avenue, Howell, MI 48843
7,230 SF
620 N Burkhart Road
620 N Burkhart Road, Howell, MI 48843
3,018 SF
8864 Whitmore Lake Rd
8864 Whitmore Lake Rd, Brighton, MI 48116
864 SF
5918 Meridian Blvd.
5918 Meridian Blvd., Brighton, MI 48116
7,680 SF
Livingston Commons - Outlot H
3950 E. Grand River, Howell, MI 48843
Livingston Commons - Outlot G
3950 E. Grand River, Howell, MI 48843
Livingston Commons - Outlot D
3950 E. Grand River, Howell, MI 48843
Livingston Commons - Outlot C
3950 E. Grand River, Howell, MI 48843
Livingston Commons - Outlot F
3950 E. Grand River, Hartland, MI 48843
4.17 Acres Grand River
NEC Grand River & Lawson Dr, Howell, MI 48843
25280 Seeley Road
25280 Seeley Road, Novi, MI 48375
1,508 SF
Heritage Square PUD - 90 Senior Living Units
NW Corner Mason Rd & Burkhart Rd, Howell, MI 48843
17.39 Acres Willoughby & Cedar Park Drive
Cedar Park Drive, Holt, MI 48842
4.85 Acres Swartz Creek
4264 Morrish Road, Swartz Creek, MI 48473
1.68 Acres Grand River
1025 E. Grand River, Brighton, MI 48116
Pine Hollow Office Building
123 Brighton Lake Road, Brighton, MI 48116
20,000 SF
3080 Toddiem Drive
3080 Toddiem Drive, Howell, MI 48843
14,400 SF
4533 Grand River
4533 Grand River Ave, Howell, MI 48843
1.3 Acres Grand River
4485 E Grand River Ave, Howell, MI 48843
25,000 SF
1.1 Acres Commerce Park Drive
Commerce Park Drive, Chelsea, MI 48118
3.08 Acres Old US23
3829 S Old US Hwy 23, Brighton, MI 48114