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135 Rennell Dr 7,500 SF 50% Leased Office Building Southport, CT 06890 For Sale

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INVESTMENT HIGHLIGHTS

  • Immediate access to I-95 and Route 1; walking distance to the Southport train station
  • High-quality finishes, streaming natural light and open work areas
  • Leaseback from seller (full floor), plus space on the third floor for an additional tenant
  • 30 parking spaces, including 8 covered

EXECUTIVE SUMMARY

For sale for the first time in a quarter century, 135 Rennell Drive is a rare opportunity to purchase a Southport gem. Far more refined than your typical commercial property, this impeccably maintained building offers:
- 7,500 square feet of flexible office space with an elevator
- 30 parking spaces, including 8 covered
- Full floor leaseback from seller, plus space on the third floor for an additional tenant
- Unmatched access to I-95, Route 1 and the Southport train station
- Ideal location in Southport (between Westport and Fairfield)

PROPERTY FACTS

Sale Type
Investment or Owner User
Sale Condition
Sale Leaseback
Property Type
Office
Building Size
7,500 SF
Building Class
B
Year Built/Renovated
1990/2020
Percent Leased
50%
Tenancy
Multiple
Building Height
3 Stories
Typical Floor Size
2,500 SF
Building FAR
0.48
Lot Size
0.36 AC
Zoning
B1 - Commercial Business
Parking
30 Spaces (4 Spaces per 1,000 SF Leased)

AMENITIES

  • 24 Hour Access
  • Security System
  • Signage
  • Skylights
  • Wheelchair Accessible
  • Air Conditioning
  • Smoke Detector

PROPERTY TAXES

PROPERTY TAXES

Parcel Number
FAIR-000243-000000-000027-A000000
Land Assessment
$956,620
Improvements Assessment
$859,110
Total Assessment
$1,815,730
  • Listing ID: 38142101

  • Date on Market: 10/20/2025

  • Last Updated:

  • Address: 135 Rennell Dr, Southport, CT 06890

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