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Updated: March 31, 2025

Georgia developer to cut ribbon on 750-unit self-storage facility in Auburn

The exterior of a boxy building has a banner. Photo / Courtesy Diamond Point Development LLC Diamond Point Development LLC will cut the ribbon on its Auburn self-storage facility during a community event scheduled for April 15.
By Laurie Schreiber

In 2023, a Georgia developer of self-storage facilities broke ground on a storage site  at 1 Center St. in Auburn. 

Roswell, Ga.-based Diamond Point Development LLC is getting ready to cut the ribbon on the 99,600-square-foot Extra Space Storage facility with a community event scheduled for April 15 at 3 p.m.

Auburn Mayor Jeff Harmon and members of the city staff, including Liz Allen and Eric Cousens, will be in attendance.

Diamond Point Development focuses on development of commercial properties in smaller markets. The firm is led by brothers Jason and Aaron Sommer.

Two people stand outside a building.
COURTESY / DIAMOND POINT DEVELOPMENT
Jason Sommer, left, and Aaron Sommer.  

In Maine, seasonal population migration contributes to the demand for self-storage, Jason Sommer has told Mainebiz. 

Sanford-based TPD Construction was the general contractor. 

The Sommer brothers started in self-storage development with a 102,000-square-foot facility completed in 2008, in Riverdale, Ga. Since then, Diamond has grown its portfolio to more than 1 million square feet of self-storage space. It has active assets projects in Georgia, Maryland, New York, Connecticut, Massachusetts and Maine.

The selection of Auburn for the project was made after vetting the market.

“The Auburn and Lewiston communities are underserved for Class A, climate-controlled self-storage,” Sommer previously said. “The city of Auburn has a reputation of being business-friendly."

The units are temperature- and humidity-controlled.

In 2021, Diamond developed its first out-of-state facility in South Portland. 

In appreciation of the city’s support of the project, Diamond made a donation to the Police Activities League community center. The city broke ground last year  on a $9 million facility at 24 Chestnut St. that will replace a smaller center on the same site.

“Thank-you so much for this support of the Auburn PAL Center — it is so meaningful and will directly impact the kids and families of this community,” said Harmon.

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