Office Space for Lease in New London County, CT
New London County is southeastern Connecticut: 21 towns from the Connecticut River to Rhode Island, served by I-95, I-395 and Route 2.
Office sales in New London County, last 12 months
About New London County
With 268,555 residents at the 2020 Census, New London County has an economy built around submarines, research and resorts. General Dynamics Electric Boat, the Naval Submarine Base and Pfizer's research campus are in Groton, and Foxwoods and Mohegan Sun are in Ledyard and Montville. Commercial property is concentrated in Norwich, New London and Groton, along the Route 32 and Route 12 corridors and around the I-95 and I-395 interchanges in Waterford and East Lyme.
Connecticut has had no county government since 1960, so the county is a geographic area only. Zoning, permits and property taxes are set by each town.
| Population (2020 Census) | 268,555 |
|---|---|
| Towns | 21 |
| Land area | About 665 square miles |
| Largest towns | Norwich, Groton, New London, Waterford, East Lyme |
| Jobs located in the county | 121,381 |
| Active businesses | 19,738 |
| Highways | I-95, I-395, Route 2, Route 11, Route 12, Route 32 |
| Rail | Amtrak (New London and Mystic), Shore Line East |
| Airport | Groton-New London (no scheduled airline service) |
Sources: U.S. Census Bureau, 2020 Census; AdvanceCT and CTData Collaborative, 2026 Town Profiles (jobs and businesses added up across the county's towns)
Questions and answers
How many office space listings are for lease in New London County, CT?
As of October 26, 2026, Conn-Comp Listings has 13 current office space listings for lease in New London County, CT. Listings are added by Connecticut brokers and updated daily.
What are asking rents for office space in New London County, CT?
Asking rents from $6.15 / SF to $42.52 / SF. Based on current listings that show a rent.
Which towns in New London County have the most office space for lease?
Right now: East Lyme (3), Montville (2), New London (2).
Where can I find verified lease rents in New London County?
Conn-Comp Sales Data has verified Connecticut sales and leases. Subscribers sign in with Sales Data Login.