Commercial Real Estate for Lease in Old Saybrook, CT

Commercial space for lease in Old Saybrook, CT is concentrated along the Route 1 corridor and Main Street. Old Saybrook sits where the Connecticut River meets Long Island Sound, and its commercial market reflects that position: a dense Route 1 retail corridor, a walkable Main Street business district, and direct interstate and rail access that pulls trade from well beyond the town line.

I am a licensed real estate salesperson with Switz Real Estate Associates Inc., and I represent landlords and tenants across Old Saybrook and the surrounding Middlesex and New London County markets. Below are the current availabilities, followed by what a tenant or investor should understand about this market before signing anything.

Available Space in Old Saybrook

1156 Boston Post Road: 1,746 SF Freestanding Building

Position on Old Saybrook’s high-traffic Boston Post Road corridor. Roughly 1,496 SF on the main level plus a finished loft of approximately 250 SF. Freestanding, with the visibility and signage presence a multi-tenant strip cannot offer. Zoned B-3 Restricted Business, where office, retail, and medical uses are permitted by special exception.

1,746 SF | $22.00 to $24.00 PSF | Modified Gross | 3 to 5 year term | approximately 6 exclusive parking spaces

129 Main Street: 312 to 442 SF

Prime Main Street location with strong pedestrian traffic and visibility. Retail or office use, with a shared kitchen, on-site and nearby parking, and convenient access to Route 1 and I-95. Suited to a professional practice, a service business, or a small-format retailer who needs a Main Street address without Main Street square footage.

Two suites, 312 SF and 442 SF | $28.00 PSF | Modified Gross | 1 to 5 year term | available May 1

Need more than 2,000 SF? The Eastport North flex campus in Old Lyme is fifteen minutes east, off I-95 Exit 70, with office, flex, and warehouse spaces from 500 to 6,658 SF.

Recently Completed in Old Saybrook

129 Main Street. Four tenants placed on behalf of the landlord between May and August 2026. Suites remain available.

The Old Saybrook Commercial Market

Route 1 is the spine. Boston Post Road carries the town’s retail and service trade. Freestanding buildings and small strip positions along it serve both the year-round population and the seasonal shoreline traffic. Frontage and curb cut quality matter more here than raw square footage.

Main Street is a separate market. The Main Street district trades on foot traffic, walkability, and address. Spaces are smaller and rents per square foot run higher than Route 1. Tenants here are professional services, boutique retail, and food and beverage rather than the auto-oriented uses on the Post Road.

Access is the town’s structural advantage. I-95 Exit 67 puts Route 1 within a minute of the interstate. Old Saybrook station carries both Shore Line East commuter service and Amtrak Northeast Regional trains, which is unusual for a town this size and matters to any tenant drawing staff or clients from New Haven, New London, or New York.

Seasonality is real and it is priced in. Shoreline trade swings between summer and the off-season. Any tenant underwriting a retail or hospitality position here should model the shoulder months honestly, and any landlord should expect that question from a tenant who knows the market.

Property Types I Handle in Old Saybrook

Light industrial, service, and flex space. Office and medical office. Freestanding buildings. Retail and restaurant space on the Route 1 corridor. Main Street retail. Land and investment sales.

Landlord and Tenant Representation

For landlords: pricing, positioning, and exposure on the listing platforms commercial tenants actually search, plus direct canvassing of the tenant types most likely to fit the space. Not a sign in the window and a wait.

For tenants: site selection across Old Saybrook, Westbrook, Essex, Old Lyme, and the wider Middlesex and New London County markets, then negotiation of economics 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 Old Saybrook?

It depends on the corridor. The Route 1 freestanding building I represent is asking $22 to $24 PSF Modified Gross. The Main Street suites are asking $28 PSF Modified Gross. Main Street commands a premium per square foot, Route 1 gives you frontage, parking, and signage. Call me for where a specific requirement is likely to price.

How long does a typical commercial lease run here?

Small Main Street suites commonly run one to five years. Freestanding Route 1 buildings typically run three to five. Both Old Saybrook availabilities I represent are structured Modified Gross rather than triple net, which changes how you should compare them to a NNN quote elsewhere.

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.