About
The STG Group is a privately held and funded group of commercial real estate investment companies that has built a reputation of success in acquiring, developing and managing sub-performing or under-achieving properties throughout the western United States. The STG Group has used its management and development expertise to provide a commercial real estate “product” that anticipates and meets the needs of its tenants while concurrently energizing the local communities in which they do business. Based in Petaluma CA, the STG Group combines a strong hands-on ownership style with local management and in-house leasing, which has resulted in quality rehabilitation and repositioning of over 35 properties throughout California, Alaska, Washington, Oregon and Denver over the last twenty-three years. Its diverse portfolio of 35 properties are located throughout the Western United States with primary base of operations in Northern California. Since established in 1985, the portfolio has grown to its present level of over 4 ½ million square feet of office, retail and industrial properties. The existing real estate portfolio has an estimated market value in excess of $800 million with... Read More
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The STG Group has financed 2 deals.
The STG Group's most recent deal was on August 28, 2026.
The STG Group's largest deals include a sale of $13,500,000.00 for 101 Ygnacio Court.
Member since: January 2026
Deals
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SOLD
Jack Ziegler Of STG Group Acquires Office Space At 1155 Market Street For $8 Million
1155 Market Street, San Francisco, CA
CACRE
JZ
Aug 28, 2026
SOLD
John Ziegler Of STG Group Acquires Conway Park Office Complex From Pembroke IV For $9.3M
$41/SF
150 North Field Drive, Lake Forest, IL
ILCRE
JZ
Feb 24, 2026
SOLD
The STG Group Acquires 101 Ygnacio Court Office Building In Walnut Creek For $13.5M
$173/SF
101 Ygnacio Court, Walnut Creek, CA
CACRE
Jan 27, 2026