Commercial Real Estate for Lease in Groton, CT

Groton is the largest employment center on this stretch of the Connecticut shoreline, and its commercial market reflects that. General Dynamics Electric Boat, the Naval Submarine Base, and Pfizer put tens of thousands of people inside the town line on a weekday. The retail and service corridors here are built to serve that daytime population, not a resident count.

I am a licensed real estate salesperson with Switz Real Estate Associates Inc., and I represent landlords and tenants across Groton and the wider New London and Middlesex County markets. Below is current availability, followed by what a tenant, landlord, or investor should understand about this market.

Recently Completed in Groton

441 Long Hill Road. 5,220 SF of retail at Long Hill Road Plaza, now fully leased and occupied. Two tenants placed on behalf of the landlord in 2026, the second completing the building in October.

210-266 Bridge Street. Four transactions completed on behalf of the landlord in 2026, including three tenant renewals.

240 Bridge Street. Represented the buyer on this acquisition, closed September 2025.

Seven completed transactions across three Groton properties since September 2025.

Current listings are on the properties page. If you have a Groton requirement, call or text me at (860) 400-9476 and I will tell you honestly what is coming available.

The Groton Commercial Market

Daytime population is the demand driver. Electric Boat alone employs thousands on the Thames River waterfront, with the Submarine Base across the river and Pfizer’s research campus nearby. Retail, food, and service tenants in Groton are underwriting a workforce that arrives in the morning and leaves at night. That produces a weekday-weighted sales curve most shoreline towns do not have, and it rewards concepts built for lunch and after-shift traffic.

Long Hill Road is the established corridor. It carries the town’s mature retail and service inventory with signalized access and consistent daily counts. Frontage and curb cut quality matter here, and so does the sequence of the corridor. A position on the wrong side of a signal can cost you more traffic than a hundred dollars a month in rent will ever save you.

Groton is really several submarkets. Route 1 and Long Hill Road, the Route 12 corridor toward the base, the City of Groton, Mystic on the eastern edge, and the waterfront industrial land along the Thames each carry different tenants and different pricing. A quote that sounds high or low usually reflects which of those you are actually in.

Defense spending is the exposure worth naming. The submarine industrial base has been in a sustained buildout, which supports leasing today. It is still a concentrated employment story, and any investor underwriting Groton retail should be honest with themselves about the correlation between their rent roll and one program cycle.

Industrial and service space is tight. Contractors and suppliers feeding the shipyard need yard space, drive-in loading, and clear height, and the supply of that product in Groton and the surrounding towns is thin. If that is your requirement, start the search earlier than you think you need to.

Property Types I Handle in Groton

Light industrial, warehouse, and service space. Office and medical office. Retail and restaurant space on the Long Hill Road and Route 1 corridors. Freestanding buildings. Land and investment sales.

Landlord and Tenant Representation

For landlords. Pricing, positioning, and exposure on the platforms commercial tenants actually search, plus direct canvassing of the tenant types most likely to fit the space. In a market driven by one employment base, tenant credit and concept durability matter as much as the rent number.

For tenants. Site selection across Groton, Mystic, New London, Waterford, and the wider New London and Middlesex County markets, then negotiation of economics, operating expense exposure, and lease terms. Tenant representation costs the tenant nothing in most transactions, since the fee is paid from the listing side.

Common Questions

What does commercial space cost in Groton?

The Long Hill Road space I represent is asking $14.00 to $15.00 PSF NNN with operating expenses of $9.27 PSF, which puts gross occupancy cost in the low to mid twenties before utilities and fit-out. That operating expense load is high relative to base rent, which is common in older anchored inventory and is exactly the line item a tenant should diligence rather than accept.

Is Groton a good market for a first location?

It can be, if your concept serves the workforce. The daytime population is large, reliable, and concentrated in a few employers, which makes traffic predictable in a way most shoreline towns are not. It is a harder market for a destination concept that needs a resident household base or seasonal tourism.

Is there industrial or flex space available?

Not much, and it moves fast. Supply of dock-served warehouse and contractor space in Groton is limited. If that is your requirement, tell me the clear height, power, and yard needs up front and I will canvass off-market as well as what is listed. Old Lyme is the nearest market with consistent flex availability, at Eastport North off I-95 Exit 70.

Do I need my own representation as a tenant?

Yes, and it generally costs you nothing. In most commercial transactions the landlord pays the fee and it is shared with the firm representing the tenant. Going unrepresented does not save you money. It just means nobody in the room is working for you. I provide tenant representation through Switz Real Estate Associates Inc.

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