RENTED JUL 30, 2025

507 River Rd Cos Cob, CT 06807

5 Beds
4.5 Baths
4,100 Sq Ft
0.33 Acres

Last Sold July 02, 2014

Last sale price $725,000 $177 Per Sq Ft

Highlights

  • Gourmet Kitchen
  • Colonial Architecture
  • 2 Fireplaces
  • North Mianus School Rated A+
  • Wood Flooring
  • High Ceiling

About This Home

As of July 2025

Welcome to this professionally landscaped, energy-efficient custom-built 4,100 sq ft home with 5 beds and 4.1 baths, located across from North Mianus School. Enjoy a bright living room with gas fireplace, sunlit dining room with large glass doors, and a custom chef's kitchen with quartzite counters. Step outside to a bluestone patio with sitting wall and built-in natural gas BBQ—perfect for entertaining. A pantry and mudroom lead to the 2-car garage. The finished lower level adds 1,623 sq ft with 9 ft ceilings, fireplace, and French doors to a second patio. Special rental for a special renter.

Last Agent to Rent the Property

Richard Breglia

Coldwell Banker Realty License #RES.0778892 Listed on: 06/29/2025

Coldwell Banker Realty

Last Renter's Agent

Richard Breglia

Coldwell Banker Realty License #RES.0778892 Listed on: 06/29/2025

Coldwell Banker Realty

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $15,578

Year Built

  • Built in 2015

Lot Details

  • 0.33 Acre Lot
  • Stone Wall
  • Level Lot

Parking

  • 2 Car Attached Garage
  • Automatic Garage Door Opener
  • Garage Door Opener

Home Design

  • Colonial Architecture
  • Asphalt Roof
  • Wood Siding

Interior Spaces

  • 4,100 Sq Ft Home
  • High Ceiling
  • 2 Fireplaces
  • Bay Window
  • Entrance Foyer
  • Game Room
  • Play Room
  • Home Gym
  • Wood Flooring
  • Finished Basement
  • Basement Fills Entire Space Under The House
  • Pull Down Stairs to Attic
  • Home Security System
  • Laundry Room

Kitchen

  • Gourmet Kitchen
  • Breakfast Area or Nook
  • Kitchen Island

Bedrooms and Bathrooms

  • 5 Bedrooms
  • En-Suite Primary Bedroom
  • Walk-In Closet
  • Separate Shower

Outdoor Features

  • Patio
  • Outdoor Gas Grill

Utilities

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

Listing and Financial Details

  • 12 Month Lease Term
  • Long Term Lease
  • Assessor Parcel Number 12-2206/S

Home Details

Home Type

Single Family

Est. Annual Taxes

$15,578

Year Built

Built in 2015

Lot Details

0

Parking

2

Rental Info

  • Lease Term: 12 Months

Listing Details

  • Prop. Type: Residential Lease
  • Year Built: 2015
  • Property Sub Type: Single Family Residence
  • Lot Size Acres: 0.33
  • Inclusions: Call LB
  • Architectural Style: Colonial
  • Garage Yn: Yes
  • Lease Information:Lease Type: Long Term
  • Entry Hall Comments:Foyer: Yes
  • Cooling System:Central AC: Yes
  • Lot Description:Level: Yes
  • Features:Security System2: Yes
  • Entry Hall Ceilings:Extra Height: Yes
  • Lot Description:Stone Wall: Yes
  • Features:Generator: Yes
  • Features:Gas Grill: Yes
  • Features:Patio: Yes
  • Pets Allowed:Call: Yes
  • Entry Hall LevelFP 1st37: 1
  • Special Features: None

Interior Features

  • Furnished: Unfurnished
  • Other Equipment: Generator
  • Has Basement: Finished, Full
  • Full Bathrooms: 4
  • Half Bathrooms: 1
  • Total Bedrooms: 5
  • Fireplaces: 2
  • Fireplace: Yes
  • Interior Amenities: Sep Shower, Kitchen Island, Pantry, Entrance Foyer
  • Kitchen Comments:Gourmet: Yes
  • Kitchen Comments:Island: Yes
  • Primary Bdrm Comments:Walk-in Closet(s): Yes
  • Primary Bth Comments:Separate Shower: Yes
  • Laundry Comments:Separate Room: Yes
  • Other Room Comments:Playroom: Yes
  • Living Room LevelFP:FP2: 1
  • Basement Type:Finished2: Yes
  • Entry Hall Comments:Hardwood Floor: Yes
  • Family Room LevelFP:FP5: 1
  • Other Room LevelFP:LL49: 1
  • Basement Type:Full: Yes
  • Family Room Ceilings:Extra Height6: Yes
  • Primary Bdrm Comments:Primary Bedroom Suite: Yes
  • Other Room Comments:Exercise Room2: Yes
  • Living Room Ceilings:Extra Height2: Yes
  • Dining Room Ceilings:Extra Height4: Yes
  • Powder Room Ceilings:Extra Height7: Yes
  • Kitchen Ceilings:Extra Height8: Yes
  • Attic:Pull Down: Yes
  • Family Room LevelFP:LL41: 1
  • Kitchen Comments:Breakfast Nook: Yes
  • LibraryDen Ceilings:Extra Height5: Yes
  • Other Room Ceilings:Extra Height13: Yes
  • Other Room Comments:Game Room: Yes
  • Kitchen Comments:Bay Window3: Yes
  • Living Room LevelFP 1st38: 1
  • Dining Room LevelFP 1st39: 1
  • Powder Room LevelFP 1st42: 1
  • Kitchen LevelFP 1st43: 1
  • Primary Bdrm LevelFP 2nd44: 1
  • Primary Bath LevelFP 2nd45: 1
  • Laundry LevelFP 2nd53: 1
  • LibraryDen LevelFP 1st40: 1

Exterior Features

  • Roof: Asphalt
  • Lot Features: Level, Stone Wall
  • Pool Private: No
  • Construction Type: Wood Siding
  • Exterior Features: Gas Grill
  • Roof:Asphalt: Yes
  • Exterior:Wood Siding: Yes

Garage/Parking

  • Attached Garage: No
  • Garage Spaces: 2.0
  • Parking Features: Garage Door Opener
  • General Property Info:Garage Desc: Attached
  • Features:Auto Garage Door: Yes

Utilities

  • Water Source: Public
  • Cooling: Central A/C
  • Laundry Features: Laundry Room
  • Security: Security System
  • Cooling Y N: Yes
  • Heating: Forced Air, Natural Gas
  • Heating Yn: Yes
  • Sewer: Public Sewer
  • Heat System:Forced Air: Yes
  • Heat Fuel:Gas: Yes
  • Water Source:Public: Yes
  • Sanitation Source:Town Sewer: Yes
  • Hot Water:Gas2: Yes
  • Gas Source:Public Utility: Yes

Schools

  • Elementary School: North Mianus
  • Middle Or Junior School: Eastern Middle

Lot Info

  • Lot Size Sq Ft: 14374.8
  • Parcel #: 12-2206/S

Range of Values:

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Value Increase
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Percent Increase
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Adjusted for Inflation
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft Prior Sale
07/30/2025 07/30/25 Rented $15,000 0.0% --
07/22/2025 07/22/25 Under Contract -- -- --
06/29/2025 06/29/25 For Rent $15,000 0.0% --
07/02/2014 07/02/14 Sold $725,000 -9.3% $430 / Sq Ft View Prior Sale
05/29/2014 05/29/14 Pending -- -- --
03/13/2014 03/13/14 For Sale $799,000 -- $474 / Sq Ft
Source: Greenwich Association of REALTORS®

Tax History Compared to Growth

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
2021 $15,578 $1,222,200 $417,410 $804,790
Source: Public Records

Agents Affiliated with this Home

  • Richard Breglia

    Landlord's Agent in 2025

    Richard Breglia

    Coldwell Banker Realty

    (203) 273-3916

    92 Total Sales

    Richard Breglia
    Section Image
  • Aurelia Gilbert

    Seller's Agent in 2014

    Aurelia Gilbert

    Coldwell Banker Realty

    (203) 451-3178

    50 Total Sales

    Aurelia Gilbert
    Section Image

  • g

    Buyer's Agent in 2014

    grw.rets.bregliar

    grw.rets.RETS_OFFICE

See All Agents

Map

Source: Greenwich Association of REALTORS®

MLS Number: 123139

Greenwich Association of REALTORS®

APN: GREE M:12 B:2206/S

Connecticut Fairfield County Cos Cob 06807

507 River Rd, Cos Cob, CT

Not Listed for Sale

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

Greenwich Association of REALTORS® Listing data courtesy of Greenwich MLS. IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to
identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by the MLS.

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