Design Firm Expands Dumbo Office Footprint to 14,000 SF
Twelve is doubling its office space in Brooklyn with a new seven-year lease at 45 Main Street.
Updated on Oct. 20, 2026 in Commercial
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Design firm Twelve is doubling its office footprint in Brooklyn with a new 7,000-square-foot lease expansion at 45 Main Street. The firm, which has been in the Dumbo building since 2015, plans to occupy the additional space starting in early 2027.
Why it matters
This expansion brings the firm's total office space at the site to 14,000 square feet, marking a significant commitment to its current Dumbo headquarters. For local businesses, the deal highlights continued demand for office space at a reported asking rent of $52 per square foot.
Twelve added 7,000 square feet to its current footprint for a total of 14,000 square feet at 45 Main Street. The seven-year lease expansion is set at an asking rent of $52 per square foot.
The players
Twelve
A design firm that maintains its primary office footprint at 45 Main Street.
Two Trees
A commercial real estate developer that manages and leases properties in Dumbo.
Alyssa Zahler
An in-house representative for Two Trees who oversaw the leasing process.
Elizabeth Bueno
An in-house representative for Two Trees who oversaw the leasing process.
The details
The firm secured the additional space on the sixth floor of 45 Main Street to expand its operations without leaving the building it has occupied since 2015. While Twelve handled the expansion without a broker, the building owner, Two Trees, utilized an in-house team to complete the agreement. The new space is expected to be ready for occupancy in the first quarter of 2027.
Timeline
Twelve first moved into 45 Main Street in 2015.
The firm expects to move into its new office space in the first quarter of 2027.
Money Landscape
This deal underscores the steady demand for office space within Dumbo, mirroring broader trends where established firms choose to scale up in buildings they already occupy. The commitment reflects a seven-year outlook for the firm's physical footprint in the neighborhood.
For business owners, this transaction signals a stable market for office square footage in Dumbo. You should consult a commercial real estate professional to understand how current asking rents of $52 per square foot compare to your firm's projected budget and long-term space needs.
The takeaway
Twelve is doubling its physical workspace through a long-term commitment that anchors its operations in the building through at least 2034. Firms seeking space should monitor rent trends in Dumbo as a benchmark for their own future lease negotiations.
What happens next
Twelve is scheduled to move into the expanded space during the first quarter of 2027.
Further reading
For broader trends in the local market, visit Commercial.
Source note: This article includes information reported by Commercial Observer.
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