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Space Available For Lease 2
139 Mill Rock Road #100C |
A 256 SF Single-Room Office in a well-maintained, multi-tenant building located in a campus-like setting. Shared entry with 24/7 access. Conference room available for Tenant use at no additional charge. Break room & kitchenette for Tenant use. Full-time property manager on site. All utilities and fees included in rent. Childcare conveniently located within building. Fitness Center in an adjacent building. ![]()
Kevin Geenty
The Geenty Group, Realtors |
141 Mill Rock Road |
23,302 SF of versatile space in a large, energy-efficient, multi-tenanted building. Nearly shell space, this offering features three private offices large open areas, a kitchenette and a loading dock with 3 docks & 2 overhead doors. Can be fit up to suit tenant’s needs including office, warehouse/distribution, light assembly or a mix. Close proximity to I-95 and CT-9. Located in a well-maintained campus-like setting which features a daycare facility and a fitness center as well as a full-time property manager on site.
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Kevin Geenty
The Geenty Group, Realtors |
Contacts

The Geenty Group, Realtors
Property Details
- Property Type Office - Flex - Office
- Property Size 121,804 SF
- Lot Size 10.8 Acre
- Parking Spaces Avail. 377
- Parking Ratio 3.10 / 1,000 SF
- Property Tenancy Multi-Tenant
- Building Class B
- Year Built 1961
- Date Updated Apr 9, 2025
Reach out to the broker for more info on lease terms and amenities
Getting around
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Walk Score ®
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Bike Score ®
Location
- City Old Saybrook, CT
- Neighborhood Old Saybrook Center
- Zip Code 06475
- Market Bridgeport New Haven
Points of Interest
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Old Saybrook
0.25 miles
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Deep River Landing
6.87 miles
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Clinton
7.72 miles
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Chester
8.55 miles
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Sunoco
0.34 miles
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Mobil
0.41 miles
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Valero
3.43 miles
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Cumberland Farms
3.94 miles
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Citgo
5.49 miles
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Charging Station
6.59 miles
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Connecticut Park and Ride
0.93 miles
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The Preserve Parking
1.76 miles
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Clinton Town Garage
9.00 miles
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Quality Inn
1.73 miles
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Saybrook Point Resort
2.02 miles
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Super 8
2.05 miles
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Old Lyme Inn
3.36 miles
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Bee and Thistle Inn
3.44 miles
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The Griswold Inn
3.53 miles
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Clinton Motel
6.93 miles
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Sleep Inn & Suites
9.92 miles
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Niantic Motel
9.92 miles
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Aderi Hotel
9.95 miles
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Stop & Shop
0.24 miles
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Walmart
0.25 miles
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Marshalls
0.29 miles
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Walt's Market
0.62 miles
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Kohl's
1.92 miles
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Big Y
1.94 miles
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Griswold Inn Store
3.54 miles
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IGA
6.42 miles
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ShopRite
6.53 miles
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TJ Maxx
6.70 miles
137 Mill Rock Road East Listing Brief
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Leasing rates here can depend on a variety of factors, including the quality rating of the property (property class or building class), the position of the available space within the building, any unique attributes that the listed space may include, as well as on the availability of on-site or nearby amenities. Reach out using the contact form available on this page to schedule a tour or to get more detailed information on the most modern facilities and amenities that 137 Mill Rock Road East has to offer.
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The property offers a parking ratio of 3.10 / 1,000 SF, which translates to a total of 377 parking spaces. See the listing area details for information and ratings regarding the degree of walkability in the neighborhood, the accessibility and frequency of public transit options, as well as the level of availability and quality of biking infrastructure in the area. What’s more, you can use the interactive map for a good overview of the area. Location details also include a breakdown of distance from the property to several essential amenities and points of interest, which may include parking facilities, fuel stations, stores, or hotels.
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This property is in the Old Saybrook Center neighborhood of Old Saybrook and located within zip code 06475.
137 Mill Rock Road East was originally completed in 1961 and is rated class B. The building includes 121,804 square feet, of which 23,558 square feet is rentable office space.
Access more in-depth information about this property — including ownership, tenant details, property characteristics and transaction history, along with local market insights and much more — on CommercialEdge.

The Geenty Group, Realtors