12 Old Post Rd

Cos Cob, CT 06830

$2,350,000
Price
5
Beds
3,340 Sq. Ft.
$704 / Sq. Ft.
3,340
Sq. Ft.
$704
per Sq. Ft.
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a view of a house with a yard and a patio
a view of house with yard outdoor seating and entertaining space
a living room with furniture and a fireplace
a living room with furniture and a fireplace
a living room with furniture fireplace and wooden floor
a living room with furniture and wooden floor
a living room with furniture and a potted plant
a living room with furniture a flat screen tv and a floor to ceiling window
a living room with furniture
a view of a dining room with furniture and chandelier
a view of a dining room with furniture and chandelier
a stove top oven sitting inside of a kitchen
a kitchen with stainless steel appliances granite countertop a sink a stove a microwave a sink and dishwasher with wooden floor
a kitchen with stainless steel appliances a stove and a sink
a kitchen with stainless steel appliances a sink stove and window
a closeup of a fireplace
a bedroom with a large bed and a window
a view of a couch in a window
a room with furniture and window
a bedroom with furniture and a flat screen tv
a bathroom with a sink a toilet and shower
a bathroom with a tub and a window
a bathroom with a toilet a sink and a mirror
a bedroom with furniture and window
a workspace with a window
a view of a house with swimming pool and sitting area
a view of a house with a yard and large tree
a view of a pathway both side of the house
a backyard of a house
a picture of a bench in a white wall
a picture of a book and a bench
a picture of a park
a picture of a picture of a floor

Description

A special opportunity to own this charming oasis close to town. Tucked behind iron gates awaits an enclave with pool, mature trees and ivy. The main floor has a spacious living room that leads to a heated sunroom, a formal dining room and a kitchen with a commercial cooktop and vent system. The second floor has a primary bedroom with a marble bath and shower and en-suite sitting room/closet. 2 other bedrooms with a sunroom and library. The top floor has another bedroom and an office space. There...A special opportunity to own this charming oasis close to town. Tucked behind iron gates awaits an enclave with pool, mature trees and ivy. The main floor has a spacious living room that leads to a heated sunroom, a formal dining room and a kitchen with a commercial cooktop and vent system. The second floor has a primary bedroom with a marble bath and shower and en-suite sitting room/closet. 2 other bedrooms with a sunroom and library. The top floor has another bedroom and an office space. There is a salt-water in-ground pool with a spa and stone patio. The back staircase leads to the primary bedroom sitting area. The fireplace in the kitchen is now used as wine rack. FAR allows up to5,750 sqft.
  1. Listed by Mie Glenn • BHHS New England Properties
    P: (203)-869-0500 C: (203)-249-1121 mieglenn@bhhsne.com

Property Details for 12 Old Post Road

Section
Cos Cob
Design
Tudor
Pool
Yes
Basement Type
Walk-Out Access, Full
Garage #
1.00
LISTING UPDATED: 05/15/2026 08:13 PM

Property Details for 12 Old Post Road

StatusActive
MLS #124934
Days on Market28
Taxes$12,196 / year
HOA Fees-
Condo/Co-op Fees-
Property TypeSingle Family
MLS TypeResidential / Single Family
Year Built1922
Lot Size0.42 AC / 18,295 SF
CountyFairfield County
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Location

Listing Courtesy of BHHS New England Properties, Mie Glenn
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Building Information for 12 Old Post Road

Stories-Year Built1922Building Size-Lot Size0.42 AC / 18,295 SF

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$12,727 per month

30 year fixed, 6.36% Interest

Principal and Interest

$11,710

Property Taxes

$1,016

HOA Dues

$0

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Property Information for 12 Old Post Road

Summary
Location and General Information
  • Area: 4 - Cos Cob
  • Elementary School: Cos Cob
  • Middle School: Central
  • City: Cos Cob
  • MLS Area Major: 4 - Cos Cob
  • Longitude: -73.604727
  • Latitude: 41.04
  • Postal Code: 06807
  • County: Fairfield
  • State Or Province: CT
HOA and Fees
  • Parcel Number: 08-1596/S
  • Association Chg/Yr: $0
  • Taxes: $12,196
Interior and Exterior Features
Interior Features
  • Bathrooms Total Integer: 3
  • Baths Full: 2
  • Baths Half: 1
  • Beds Total: 5
  • Cooling: Yes
  • Heating: Yes
  • Entry Hall Level/FP: 1st: 1
  • Living Room Level/FP: 1st: 1
  • Living Room Level/FP: FP: 1
  • Dining Room Level/FP: 1st: 1
  • Library/Den Level/FP: 2nd: 1
  • Family Room Level/FP: 1st: 1
  • Powder Room Level/FP: 1st: 1
  • Kitchen Level/FP: 1st: 1
  • Kitchen Level/FP: FP: 1
  • Primary Bdrm Level/FP: 2nd: 1
  • Primary Bath Level/FP: 2nd: 1
  • Dbl Bdrms Level/FP: 2nd: 2
  • Dbl Bdrms Level/FP: 3rd: 1
  • Bath Level/FP: 2nd: 1
  • Laundry Level/FP: LL: 1
  • Other Room 2 Level/FP: 2nd: 1
  • Other Room 3 Level/FP: 2nd: 1
  • Other Room 3 Level/FP: 3rd: 1
  • Attic: Finished: Yes
  • Dining Room Comments: Formal: Yes
  • Family Room Comments: Solarium: Yes
  • Kitchen Comments: Eat-In Kitchen: Yes
  • Kitchen Comments: Island: Yes
  • Other Room Comments 3: Office Space: Yes
  • Other Room Comments 3: Solarium: Yes
  • Cooling System: Central AC: Yes
  • Heat System: Forced Air: Yes
  • Cooling System: Central Air
Exterior Features
  • Exterior: Brick: Yes
  • Exterior: Stucco: Yes
  • Court: No
  • Exterior: Brick, Stucco
  • Roof: Asphalt
  • Pool YN: Yes
Property
Lot Information
  • Location Property Info: List PriceSqFt: $703.59
  • Location Property Info: Owner: Glenn, David and Yoshie
  • Location Property Info: Zoning: R-12
  • Location Property Info: # FPs: 2.0
  • Lot Description: Level,Stone Wall
  • Lot Size Acres: 0.42
  • Lot Size Area: 0.42
  • Lot Size Square Feet: 18295.2
  • Lot Size Units: Acres
  • Lot Description: Level: Yes
  • Lot Description: Stone Wall: Yes
Property and Assessments
  • General Property Info: Acres -: 0.42
  • General Property Info: Year Renovations: 2016.0
  • General Property Info: Elementary School: Cos Cob
  • General Property Info: Middle School: Central
  • General Property Info: Pool Description: Salt Water
  • General Property Info: Design Plan: Center Hall
  • General Property Info: SqFt Source: Engineer
  • Assessment: $986,790
  • Keybox #: 34315177
  • Year Renovations: 2016
  • Zoning: R-12
  • Sanitation Source: Town Sewer
  • SqFt Source: Engineer
  • Outbuildings: Shed(s)
  • Features: Auto Garage Door: Yes
  • Features: Back Stairs: Yes
  • Features: Cedar Closet: Yes
  • Features: Fenced Yard: Yes
  • Features: Freezer(s): Yes
  • Features: Hot Tub: Yes
  • Features: Security System: Yes
  • Features: Terrace: Yes
  • Included: All Kitchen Applncs: Yes
  • Included: WasherDryer: Yes
Utilities
  • Gas Source: Available: Yes
  • Heat Fuel: Gas: Yes
  • Hot Water: Gas: Yes
  • Heat System: Natural Gas, Forced Air
  • Water Source: Public
Multi Family
Building Details
  • Public Remarks: A special opportunity to own this charming oasis close to town. Tucked behind iron gates awaits an enclave with pool, mature trees and ivy. The main floor has a spacious living room that leads to a heated sunroom, a formal dining room and a kitchen with a commercial cooktop and vent system. The second floor has a primary bedroom with a marble bath and shower and en-suite sitting room/closet. 2 other bedrooms with a sunroom and library. The top floor has another bedroom and an office space. There is a salt-water in-ground pool with a spa and stone patio. The back staircase leads to the primary bedroom sitting area. The fireplace in the kitchen is now used as wine rack. FAR allows up to5,750 sqft.
  • Parking Desc: Attached Garage, Garage Door Opener

Schools near 12 Old Post Road

This home is within Greenwich School District.
Rating
School
Type
Grades
Distance
Cos Cob School
Public - PK to 5
Central Middle School
Public - 6 to 8
Greenwich High School
Public - 9 to 12
Greenwich Country Day
Private - PK to 9
Rating
School
Distance
Cos Cob School
PublicPK to 5

Central Middle School
Public6 to 8

Greenwich High School
Public9 to 12

Greenwich Country Day
PrivatePK to 9

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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More information about 12 Old Post Road, Cos Cob, CT 06830

12 Old Post Road is a single family home for sale in Cos Cob, CT 06830. This property was listed for sale on May 7, 2026 by BHHS New England Properties, it's currently listed at $2,350,000. This listing's school district is Greenwich School District. Nearby schools include Cos Cob School, Central Middle School and Greenwich High School. 12 Old Post Road is a 5-bed, 3-bath, 3,340 sqft single family home built in 1922.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of BHHS New England Properties, Mie Glenn

Based on information from one of the following Multiple Listing Services: Darien MLS, Smart MLS and Greenwich Multiple Listing Service. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by Darien MLS, Smart MLS and Greenwich Multiple Listing Service is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.