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84-86 E Putnam AvenueCos Cob, CT 06807

For Sale

$2,495,000

Smart Buyer Rebate $24,950

Location Location Location...This Two Family Home is in LB Zoned on .25a in Downtown Cos Cob. Two Duplex Units, One is Renovated Gorgeous! 2 Bedroom 2 Bath . Other unit is 3 Bedroom/1 Bath. Detached Garages.

FAR allows 5445 SF (potential to add)

Listed by Robert DiDonato

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License #RES.0810064

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William Raveis Real Estate

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914-447-8355

Last updated January 28, 2026

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Source: FlexMLS #124210

Listing Facts

  • TypeMulti-family
  • NeighborhoodCos Cob
  • Bedrooms4
  • Bathrooms3
  • Days on Prevu10
  • Taxes$8,784/year
  • Size2,170 sqft
  • Price per sqft$1,150

Amenities

  • Air Conditioning

Location

Mortgage Calculator

Listing History

01/21/2026
Listed by William Raveis Real Estate
$2,495,000

Property Details for 84-86 E Putnam Avenue

Exterior

Construction

  • Number Of Units Total: 2
  • Roof: Asphalt
  • Year Built: 1900
  • Construction Materials: Vinyl Siding

Measurements

  • Building Area Total: 2,170
  • Lot Size Acres: 0.25
  • Lot Size Area: 0
  • Lot Size Square Feet: 10,890
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: 08-3163/S
  • Tax Annual Amount: $8,784.00
  • Tax Assessed Value: $710,710.00

Interior

Rooms

  • Bathrooms Total Integer: 3
  • Bedrooms Total: 4

Other

Location

  • City Region: Cos Cob

Parking

Parking

  • Parking Features: Other, Garage

Schools

Elementary School

  • Elementary School: Cos Cob

Middle or Junior School

  • Middle Or Junior School: Central Middle

Utilities

Equipment

  • Cooling: Central Air, Wall Unit(s)
  • Has Cooling: Yes
  • Heating: Natural Gas, Hot Water
  • Has Heating: Yes
  • Sewer: Town Sewer
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this multi-family home have?

There are 4 bedrooms and 3 bathrooms in this multi-family home at 84-86 E Putnam Avenue.

What schools are nearby to 84-86 E Putnam Avenue?

Nearby schools include the Cos Cob Elementary School and Central Middle.

What are the annual taxes for 84-86 E Putnam Avenue?

Annual taxes for this multi-family home are estimated at $8,784.

What is the square footage on this multi-family home?

According to the MLS, this listing is 2,170 sqft.

84-86 E Putnam Avenue is a 4-bedroom, 3-bath multi-family home for sale in Cos Cob CT 06807. Listed on Prevu for 10 days at $2,495,000. This home features 2,170 square feet of living space, located in Cos Cob. The median listing price for multi-family homes in this area is $1,537,500. Nearby schools include Cos Cob Elementary School and Central Middle. Property amenities include air conditioning. View other multi-family home listings in Fairfield County.

Based on information from Greenwich Multiple Listing Service, Inc. and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.