$2,350,000

12 Old Post Rd Cos Cob, CT 06807

Estimated payment $13,562/month

Total Views 56
5 Beds
2.5 Baths
3,340 Sq Ft
$704 Price per Sq Ft

Highlights

  • Hot Property
  • Indoor Spa
  • Tudor Architecture
  • Cos Cob School Rated A
  • Private Pool
  • Finished Attic

About This Home

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.

Listing Agent

Mie Glenn

BHHS New England Properties License #RES.0751554 Listed on: 05/07/2026

BHHS New England Properties

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $12,196

Year Built

  • Built in 1922 | Remodeled in 2016

Lot Details

  • 18,295 Sq Ft Lot
  • Fenced Yard
  • Stone Wall
  • Level Lot
  • Property is zoned R-12

Parking

  • 1 Car Attached Garage
  • Automatic Garage Door Opener
  • Garage Door Opener

Home Design

  • Tudor Architecture
  • Brick Exterior Construction
  • Asphalt Roof
  • Stucco

Interior Spaces

  • 3,340 Sq Ft Home
  • Rear Stairs
  • 2 Fireplaces
  • Formal Dining Room
  • Home Office
  • Solarium
  • Indoor Spa
  • Finished Attic
  • Home Security System
  • Washer and Dryer

Kitchen

  • Eat-In Kitchen
  • Freezer
  • Kitchen Island

Bedrooms and Bathrooms

  • 5 Bedrooms
  • Cedar Closet

Basement

  • Walk-Out Basement
  • Basement Fills Entire Space Under The House

Outdoor Features

  • Private Pool
  • Terrace
  • Shed

Utilities

  • Forced Air Heating and Cooling System
  • Heating System Uses Gas
  • Heating System Uses Natural Gas
  • Gas Available
  • Gas Water Heater

Listing and Financial Details

  • Assessor Parcel Number 08-1596/S

Home Details

Home Type

Single Family

Est. Annual Taxes

$12,196

Year Built

Built in 1922 | Remodeled in 2016

Lot Details

0.42 Acres

Parking

1

Listing Details

  • Prop. Type: Residential
  • Year Built: 1922
  • Property Sub Type: Single Family Residence
  • Lot Size Acres: 0.42
  • Inclusions: Washer/Dryer, All Kitchen Applncs
  • Architectural Style: Tudor
  • Effective Year Built: 2016
  • Cooling System:Central AC: Yes
  • Included:WasherDryer: Yes
  • Lot Description:Level: Yes
  • Features:Terrace: Yes
  • Features:Fenced Yard: Yes
  • Features:Security System2: Yes
  • Lot Description:Stone Wall: Yes
  • Features:Hot Tub: Yes
  • Features:Back Stairs: Yes
  • Features:Freezer(s): Yes
  • Features:Cedar Closet: Yes
  • Entry Hall LevelFP 1st37: 1
  • Special Features: None
  • Year Renovated: 2016

Interior Features

  • Has Basement: Walk-Out Access, Full
  • Full Bathrooms: 2
  • Half Bathrooms: 1
  • Total Bedrooms: 5
  • Fireplaces: 2
  • Fireplace: Yes
  • Interior Amenities: Cedar Closet(s), Kitchen Island, Eat-in Kitchen, Back Stairs, Hot Tub
  • Kitchen Comments:Island: Yes
  • Living Room LevelFP:FP2: 1
  • Laundry LevelFP:LL52: 1
  • Kitchen Comments:Eat-In Kitchen: Yes
  • Attic Finished: Yes
  • Other Room Comments 3:Office Space3: Yes
  • Basement Type:Full: Yes
  • Dining Room Comments:Formal: Yes
  • Basement Type:Walkout: Yes
  • Other Room Comments 3:Solarium3: Yes
  • Family Room Comments:Solarium5: Yes
  • Living Room LevelFP 1st38: 1
  • Dining Room LevelFP 1st39: 1
  • Family Room LevelFP 1st41: 1
  • Powder Room LevelFP 1st42: 1
  • Kitchen LevelFP 1st43: 1
  • Primary Bdrm LevelFP 2nd44: 1
  • Primary Bath LevelFP 2nd45: 1
  • LibraryDen LevelFP 2nd41: 1

Exterior Features

  • Roof: Asphalt
  • Lot Features: Level, Stone Wall
  • Pool Private: Yes
  • Construction Type: Brick, Stucco
  • Other Structures: Shed(s)
  • Patio And Porch Features: Terrace
  • Roof:Asphalt: Yes
  • Exterior:Brick: Yes
  • Exterior:Stucco: Yes
  • Outbuildings:Shed(s): Yes

Garage/Parking

  • Attached Garage: No
  • Garage Spaces: 1.0
  • Parking Features: Attached Garage, Garage Door Opener
  • Features:Auto Garage Door: Yes

Utilities

  • Water Source: Public
  • Cooling: Central Air
  • Security: Security System
  • Cooling Y N: Yes
  • Heating: Natural Gas, Forced Air
  • Heating Yn: Yes
  • Sewer: Town Sewer
  • Utilities: Natural Gas Available
  • Heat System:Forced Air: Yes
  • Heat Fuel:Gas: Yes
  • Water Source:Public: Yes
  • Sanitation Source:Town Sewer: Yes
  • Hot Water:Gas2: Yes
  • Gas Source:Available2: Yes

Schools

  • Elementary School: Cos Cob
  • Middle Or Junior School: Central

Lot Info

  • Zoning: R-12
  • Lot Size Sq Ft: 18295.2
  • Parcel #: 08-1596/S

Tax Info

  • Tax Annual Amount: 12196.0

Map

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
Collateral Analytics

Collateral Analytics Collateral Analytics AVMs (Automated Valuation Model) employ a number of statistical approaches combined with neighborhood-specific comparable selection guarantees the most up-to-date and precise valuations.

Not Available

Collateral Analytics does not have data for the current month. Please view the chart for historical values.

ICE

ICE Mortgage Technology ICE Mortgage Technology’s AVM (Automated Valuation Model) is a state-of-the-art online residential property valuation tool that provides a quick and accurate estimate of the value of almost any home in the U.S.

Not Available

ICE Mortgage Technology does not have data for the current month. Please view the chart for historical values.

First American

First American First American Data & Analytics’ next-generation AVM combines unrivaled data assets with a blended ensemble of valuation models to produce highly accurate, reliable valuations you can trust.

Not Available

First American does not have data for the current month. Please view the chart for historical values.

Quantarium

Quantarium Quantarium’s valuation service, repeatedly proven the industry’s most accurate and comprehensive, is supercharged with a self-learning and auto-tuning AI engine that continually becomes smarter and more accurate as it processes daily inputs from the industry’s leading RE data lake.

Not Available

Quantarium does not have data for the current month. Please view the chart for historical values.

Average Value
Not Available
List Price
Sold Price
Create a Home Valuation Report for This Property
The Home Valuation Report is an in-depth analysis detailing your home's value as well as a comparison with similar homes in the area

Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $12,196 $986,790 $490,420 $496,370
2024 $11,778 $986,790 $490,420 $496,370
2023 $11,482 $986,790 $490,420 $496,370
2022 $11,378 $986,790 $490,420 $496,370
2021 $11,893 $987,770 $435,890 $551,880
2020 $11,873 $987,770 $435,890 $551,880
2019 $11,992 $987,770 $435,890 $551,880
2018 $12,219 $987,770 $435,890 $551,880
2017 $11,872 $987,770 $435,890 $551,880
2016 $11,684 $987,770 $435,890 $551,880
2015 $9,732 $816,060 $451,990 $364,070
2014 $9,487 $816,060 $451,990 $364,070
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft
05/07/2026 05/07/26 For Sale $2,350,000 0.0% $704 / Sq Ft
06/01/2022 06/01/22 Rented $9,350 +6.3% --
05/24/2022 05/24/22 Under Contract -- -- --
05/20/2022 05/20/22 For Rent $8,800 +27.5% --
11/14/2016 11/14/16 Rented $6,900 -8.0% --
11/14/2016 11/14/16 Under Contract -- -- --
06/17/2016 06/17/16 For Rent $7,500 -- --
Source: Greenwich Association of REALTORS®

Source: Greenwich Association of REALTORS®

MLS Number: 124934

Greenwich Association of REALTORS®

APN: GREE M:08 B:1596/S

Your Personal Tour Guide

Ask me questions while you tour the home.