Old Greenwich, CT Office Spaces for Rent & Lease

Updated: Apr 9

Medical Office Space For Rent

296 Sound Beach Avenue, Old Greenwich, CT 06870

$2,800/Mo

500 sqft

Suitable for medical use
Three adjoining offices
Shared reception area
Includes lavatory and storage room
Net rentable space of 500 SF**

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Updated: Jun 7, 2025

Updated Office Space Near Station

187 Sound Beach Avenue #A, Old Greenwich, CT 06870

$2,250/Mo

405 sqft

Prime Location: Seconds from Old Greenwich Metro North Train Station.
Updated Office Space: Freshly updated, move‑in ready condition.
Private Bathrooms: Each suite includes a private bathroom.
Flexible Space: Reimagine the 405 sqft Suite A into endless variations.
Parking Included: One dedicated parking spot behind the building.

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Pre-Built Office Space Available

Old Greenwich, CT 06870

$65 SF/Yr

800 sqft

800 SF office space near Old Greenwich train station.

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Based on your search, we've compiled 11 Potential Opportunities for your consideration. Besides 3 Active listings in Old Greenwich, CT, we suggest exploring alternatives. Consider Similar 4 Spaces in Nearby Cities, and Similar 4 Properties for Sales.

Office Spaces for Lease in Nearby Cities

Here are 4 Similar Spaces we found in Nearby Locations for your consideration.

Professional Office Suites

1374 East Putnam Avenue, Greenwich, CT 06878

$4,500/Mo

Two well-appointed office suites with efficient layouts and abundant natural light, plus ample on-site parking.

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Office Space at Cos Cob

8 Sound Shore Dr, Greenwich, CT

Contact for pricing

9,190 sqft 2.39 AC lot

Office space available at Cos Cob Train Station in Greenwich.

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Stamford Flex/Warehouse/Office Building

83 Harvard Ave, Stamford, CT

Contact for pricing

10,420 sqft 0.79 AC lot

39,166 SF flex/warehouse/office building for rent.

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Class A Corporate Office Building

700 Fairfield Ave, Stamford, CT 06902

Contact for pricing

37,495 sqft

Three-story class A office building with on-site cafeteria, fitness facility, and media/conference center.

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Similar Spaces for Sale in Old Greenwich, CT

Consider Similar Space for Sale. We found 4 Spaces matching your search parameters.

Storefront Property with Rear Parking

189 Sound Beach Avenue, Old Greenwich, CT 06870

$1,999,999

3,202 sqft

Two-unit commercial building with rear parking and LBR-2 zoning in Old Greenwich.

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Updated Office Units with Parking

187 Sound Beach Avenue, Old Greenwich, CT 06870

Contact for pricing

Second-floor office suites offer dedicated half baths, recent interior improvements, and assigned parking behind the building.

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Three-Room Corner Office Suite

3 End Avenue, Old Greenwich, CT 06870

Contact for pricing

Gross lease terms include utilities, central air, heat, trash service, and snow removal.

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Retail Space with Covered Porch

1549 Putnam Avenue, Old Greenwich, CT 06870

$950,000

2,588 sqft 0.33 AC lot

Commercial property supports retail, office, and other commercial uses within a designated commercial zone.

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Old Greenwich, CT Office Spaces Lease Rates & Market Statistics

Browse 3 Office Spaces for lease in Old Greenwich, CT on Realmo, a commercial real estate marketplace serving the Old Greenwich area. The current inventory totals 1,705 square feet of properties.

Asking lease rates for Office Spaces in Old Greenwich start at $65 SF/Yr, average $66.29 SF/Yr, and reach $67.20 SF/Yr at the top of the market. Pricing across the market is relatively uniform, which simplifies like-for-like comparison between listings. At $66.29 SF/Yr, the local average runs 212% above Connecticut's state average of $21.24 SF/Yr.

Old Greenwich accounts for 0% of the 622 office spaces currently available across Fairfield County, where nearby markets include Stamford and Norwalk.