Sophisticated and designed for effortless living, this exceptional four-level residence with approximately 5,000 sq ft of thoughtfully connected spaces offers the lifestyle today's buyers desire. With the feel of new construction, the recently refreshed home retains the character and craftsmanship of its extensive millwork, complemented by 9-foot ceilings, hardwood floors and well proportion rooms throughout. An inviting open-concept floor plan creates a seamless flow between the principal rooms and sets the tone for what's to come. The highlight is a spectacular gourmet kitchen featuring Carrara marble countertops, high-end appliances, and a 2-tier island with seating. The kitchen opens to the spacious family room anchored by a striking stone fireplace and framed by an incredible west- facing deck ideal for indoor/outdoor entertaining as it captures sunsets and picturesque views of Loughlin Park. The expansive primary suite is a private sanctuary, complete with a gas fireplace, balcony, walk-in closet and luxurious Carrara marble bath. Three family bedrooms, two baths and laundry room complete the second floor. The finished attic space has been converted into a playroom/ gym complete with a climbing wall. The substantial lower level is valuable additional space offering a guest bedroom, large family room, and mudroom with access to the outfitted two-car garage and flat backyard. Ideally situated in the heart of Cos Cob, the property is moments from village shops and restaurants, Metro-North, Loughlin and Cos Cob Parks, the Bush-Holley House, and scenic Cos Cob Harbor- offering an unparalleled combination of refined living, convenience and setting. Elevator shaft in place.
For sale
$3,750,000
5 Butler St, Cos Cob, CT 06807
5beds
3,983sqft
Residential, Single Family Residence
Built in 2015
0.29 Acres Lot
$3,819,800 Zestimate®
$942/sqft
$-- HOA
What's special
- 4 days
- 1,020
- 53
Zillow last checked:
Listing updated:
Listed by:
Cate Keeney 203-536-8187,
Sotheby's International Realty
Source: Greenwich MLS, Inc.,MLS#: 126001
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 5
- Full bathrooms: 4
- 1/2 bathrooms: 1
Heating
- Natural Gas, Forced Air
Cooling
- Central Air
Appliances
- Laundry: Laundry Room
Features
- Kitchen Island, Entrance Foyer, Central Vacuum
- Basement: Finished
- Number of fireplaces: 3
Interior area
- Total structure area: 3,983
- Total interior livable area: 3,983 sqft
Property
Parking
- Total spaces: 2
- Parking features: Garage Door Opener
- Garage spaces: 2
Features
- Patio & porch: Deck
- Exterior features: Balcony
- Has spa: Yes
- Spa features: Bath
Lot
- Size: 0.29 Acres
- Features: Parklike
Details
- Parcel number: 82209/S
- Zoning: R-7
- Other equipment: Generator
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Residential, Single Family Residence
Materials
- Shingle Siding
- Roof: Asphalt
Condition
- Year built: 2015
Utilities & green energy
- Water: Public
Community & HOA
Community
- Security: Security System
Location
- Region: Cos Cob
Financial & listing details
- Price per square foot: $942/sqft
- Tax assessed value: $1,917,230
- Annual tax amount: $20,100
- Date on market: 10/10/2026
- Inclusions: Washer/Dryer, All Kitchen Applncs
Estimated market value
$3,819,800
$3.48M - $4.20M
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 10/10/2026 | Listed for sale | $3,750,000+70.5%$942/sqft |
Source: | ||
| 7/25/2019 | Sold | $2,200,000-6.4%$552/sqft |
Source: | ||
| 8/3/2016 | Sold | $2,350,000+179.1%$590/sqft |
Source: Public Record Report a problem | ||
| 8/23/2013 | Sold | $842,100$211/sqft |
Source: | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $19,473 +3.5% | $1,575,630 |
| 2024 | $18,807 +2.6% | $1,575,630 |
| 2023 | $18,334 +0.9% | $1,575,630 |
| 2022 | $18,167 +0.7% | $1,575,630 +5.2% |
| 2021 | $18,033 +0.2% | $1,497,790 |
| 2020 | $18,003 -1% | $1,497,790 |
| 2019 | $18,183 +2.3% | $1,497,790 |
| 2018 | $17,779 -1.2% | $1,497,790 |
| 2017 | $18,002 +169% | $1,497,790 +164.7% |
| 2016 | $6,692 | $565,740 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
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Neighborhood: Cos Cob
Nearby schools
Schools provided by the listing agent
- Elementary: Cos Cob
- Middle: Central
Source: Greenwich MLS, Inc.. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.








