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Dallas firm buys Westshore’s 1 North Dale Mabry, plans $4M upgrade

A Dallas investment firm has bought Tampa’s 1 North Dale Mabry office tower and plans $4M in upgrades.
Chuck Merlis December 3, 2025

Enverra Real Estate Partners has acquired 1 North Dale Mabry, a 13-story Class A office tower in Tampa’s Westshore district, in a lender-driven short sale that marks the firm’s first investment in the market.

The 260,000 square foot building sits along I-275 near Midtown’s retail and dining hub and has historically maintained strong occupancy with tenants including Travelers Insurance, Marsh & McLennan Agency, Rissman Law Firm, Ideal Image and PCL Construction.

First Tampa deal for an active Sunbelt buyer

Enverra is a vertically integrated investment and management firm founded in 2024.

The company operates out of Dallas, Atlanta and New York City and targets office and industrial assets in high-growth Sunbelt markets experiencing population gains, job growth, and new capital investment.

The 1 North Dale Mabry acquisition was completed through a joint venture with a New York City-based family office.

READ: New platform links Tampa Bay donors to nonprofits losing funding

It is Enverra’s second distressed office purchase in the past year, following its acquisition of the 230,000 square foot Parkway Center office building in Dallas.

“Tampa and Westshore fit well into our Sunbelt investment thesis, with attractive market fundamentals driven largely by tenant relocations and population growth,” said Tommy Spinosa, managing partner at Enverra. “With no new supply and strong economic momentum, this market delivers the stability and growth we target for our investments.”

$4 million upgrade plan

The tower features floor-to-ceiling windows, a renovated lobby, a fitness center, conference facilities and high visibility along major commuter routes.

Enverra plans to invest $4 million in upgrades that aim to push the property into the top tier of Westshore workplaces. Planned improvements include:

  • A hospitality-style tenant lounge with a coffee bar
  • A landscaped outdoor terrace
  • Enhanced street-level curb appeal
  • Upgrades to the fitness center, conference spaces and common areas

READ: 400 Central clears inspections, begins move-ins in downtown St. Pete

“We are making a significant capital investment to transform this asset into an amenity-driven workplace, creating a vibrant tenant-focused environment that drives retention and leasing activity and creates long-term value for our investors,” said Adam Armiger, chief investment officer.

Growing platform, bigger ambitions

The Tampa deal aligns with Enverra’s broader expansion.

The firm recently opened a New York City office led by Armiger, who brings more than $1 billion in transactional experience from DRA Advisors. Spinosa, formerly with Bridge Investment Group, leads the Dallas office.

READ: Port Tampa Bay adds 2 new cranes from Ireland as Vision 2030 expands

Enverra has also raised a GP fund dedicated to its Sunbelt strategy and is pursuing additional office and industrial acquisitions alongside institutional investors and family offices.

With 1 North Dale Mabry, the firm is planting a flag in a Westshore market that continues to attract corporate tenants who want access to Tampa International Airport, major highways and a growing mix of retail and residential development.

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