$4,500,000
SOLD AUG 3, 2026

20 Buttonwood Ln Darien, CT 06820

Darien Area
5 Beds
3.5 Baths
4,379 Sq Ft
1.25 Acre Lot

Sale Details

Date Sold: August 3, 2026

$1,028 Per Sq Ft

5% Above List Price

6 Days on Market

Highlights

  • 1.25 Acre Lot
  • Colonial Architecture
  • 1 Fireplace
  • Ox Ridge Elementary School Rated A
  • Attic
  • Mud Room

About This Home

As of August 2026

Welcome to 20 Buttonwood, a timeless Darien classic showcasing a renovated 5 bed 3.5 bath meticulously maintained home w/ expansive property & ultimate privacy. Set on a level, 1.25 acres the property is bordered by protected Land Trust. The flat/dry fenced yard provides endless possibilities for play, entertaining, gardening, and future enhancements. At the heart of the home is a beautifully renovated gourmet kitchen designed for both everyday living & effortless entertaining. The adjoining family, dining, living & sunrooms all flow seamlessly to the outdoor terrace, creating an ideal setting for indoor-outdoor living. Rounding out the first floor is the home office, and the newly renovated mudroom with custom built in lockers, radiant herringbone brick floors, natural oak desk, full size washer dryer & oversized soapstone sink. The 2nd level is home to all 5 bedrooms, including the primary suite w/ large balcony & an in-law suite with separate staircase for flexible living arrangements. The finished LL includes a gym and secondary laundry. The unfinished walk up 3rd floor provides great space for easily accessible storage or the option to finish for an additional 400+ sq ft of living space. Ideally situated on one of Darien's most coveted streets, just moments from Cherry Lawn Park, downtown Darien, Metro-North, and Ox Ridge Elementary, 20 Buttonwood offers a rare combination of escape and convenience. Don't miss this opportunity to own a Darien classic! Listing agent is the owner of home.

Last Agent to Sell the Property

Kathryn DeSalvo

Compass Connecticut, LLC Brokerage Phone: (203) 249-8812 License #RES.0818319 Listed on: 06/21/2026

Compass Connecticut, LLC

Last Buyer's Agent

Michelle Donzeiser

William Raveis Real Estate License #RES.0799318

William Raveis Real Estate

Range of Values:

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Value Increase
--
Percent Increase
--
Adjusted for Inflation
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Average Value
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List Price
Sold Price
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Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $25,357

Year Built

  • Built in 1945

Lot Details

  • 1.25 Acre Lot
  • Stone Wall
  • Sprinkler System
  • Garden

Parking

  • 2 Car Garage

Home Design

  • Colonial Architecture
  • Concrete Foundation
  • Frame Construction
  • Wood Shingle Roof
  • Clap Board Siding

Interior Spaces

  • 1 Fireplace
  • French Doors
  • Mud Room

Kitchen

  • Range Hood
  • Microwave
  • Ice Maker
  • Dishwasher
  • Wine Cooler
  • Disposal

Bedrooms and Bathrooms

  • 5 Bedrooms

Laundry

  • Laundry on lower level
  • Dryer
  • Washer

Attic

  • Storage In Attic
  • Walkup Attic

Partially Finished Basement

  • Heated Basement
  • Basement Fills Entire Space Under The House
  • Sump Pump
  • Crawl Space

Outdoor Features

  • Balcony
  • Terrace
  • Exterior Lighting
  • Shed
  • Rain Gutters

Schools

  • Ox Ridge Elementary School
  • Middlesex School
  • Darien High School

Utilities

  • Central Air
  • Heating System Uses Oil
  • Hydro-Air Heating System
  • Oil Water Heater
  • Fuel Tank Located in Basement

Listing and Financial Details

  • Assessor Parcel Number 103948

Home Details

Home Type

Single Family

Est. Annual Taxes

$25,357

Year Built

Built in 1945

Lot Details

1.25 Acres

Listing Details

  • Neighborhood: N/A
  • Property Type: Single Family For Sale
  • Style: Colonial
  • Sq Ft Est Heated Above Grade: 4099
  • Sq Ft Est Heated Below Grade: 280
  • Total Sq Ft: 4379
  • Year Built: 1945
  • New Construction: No/Resale
  • In Law Access: Over Garage
  • Remarks Public Addendum: Listing agent is the owner of home.
  • Direct Waterfront: No
  • Home Warranty Offered: No
  • Directions: Brookside to Buttonwood Lane.
  • Financing Used: Cash
  • In Law Apartment: Yes
  • Street Type: Lane
  • Office Attribution Contact: (203) 423-3100
  • Reserve Prospect: No
  • Special Features: None
  • Property Sub Type: Detached

Interior Features

  • Total Bedrooms: 5
  • Total Bathrooms: 4
  • Full Bathrooms: 3
  • Half Bathrooms: 1
  • Fireplaces: 1
  • Attic Description: Storage Space, Walk-up
  • Basement Description: Crawl Space, Full, Heated, Sump Pump, Cooled, Partially Finished
  • Appliances: Microwave, Range Hood, Refrigerator, Freezer, Icemaker, Dishwasher, Disposal, Washer, Dryer, Wine Chiller
  • Laundry Room Location: Full size w/d in mudroom & lower level
  • Laundry Room Info: Lower Level, Main Level
  • Attic: Yes

Exterior Features

  • Exterior Features: Terrace, Gutters, Lighting, French Doors, Balcony, Shed, Garden Area, Stone Wall, Underground Sprinkler
  • Exterior Siding: Clapboard
  • Foundation Type: Concrete
  • Roof Information: Wood Shingle
  • Waterfront Description: Beach Rights Access
  • Swimming Pool: No
  • Construction Description: Frame

Garage/Parking

  • Garages Number: 2
  • Garage And Parking: Attached Garage

Utilities

  • Cooling System: Central Air
  • Heat Type: Hydro Air
  • Heat Fuel Type: Oil
  • Fuel Tank Location: In Basement
  • Hot Water Description: Oil, 50 Gallon Tank
  • Water Source: Public Water Connected
  • Sewer: Public Sewer Connected

Lot Info

  • Acres: 1.25
  • Lot Description: Fence - Full Dry Level Lot Professionally Landscaped
  • Flood Zone: No
  • Zoning: R-1
  • Parcel #: 103948

Tax Info

  • Tax Year: July 2025-June 2026
  • Property Tax: 25357

MLS Schools

  • Elementary School: Ox Ridge
  • Middle Jr High School: Middlesex
  • High School: Darien

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Listed on
Jun 21, 2026
Closed on
Jul 31, 2026
Sold by
Desalvo Nicholas J and Desalvo Kathryn C
Bought by
Seller's Agent
Kathryn DeSalvo
Compass Connecticut, LLC
Buyer's Agent
Michelle Donzeiser
William Raveis Real Estate
List Price
$4,295,000
Sold Price
$4,500,000
Premium/Discount to List
$205,000
4.77%
Views
25

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
-37.11%

Purchase Details

Listed on
Feb 24, 2017
Closed on
Apr 24, 2017
Sold by
Mcallister Deirdre
Bought by
Desalvo Kathryn and Desalvo Nicholas
Seller's Agent
Liz Bacon
Houlihan Lawrence
Buyer's Agent
David Hawes
Compass Connecticut, LLC
List Price
$2,240,000
Sold Price
$2,290,000
Premium/Discount to List
$50,000
2.23%

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
7.54%
Original Mortgage
$1,832,000
Interest Rate
4.21%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Closed on
Aug 6, 1991
Sold by
Straus John and Straus Diane
Bought by
Mcallister Dennis and Mcallister Deirdre
Source: Public Records

Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Agents Specializing in Darien, CT

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Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Type Sale Price Title Company
Warranty Deed $2,290,000 --
Warranty Deed $685,000 --
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Loan Amount Loan Type
Open $1,000,000 Stand Alone Refi Refinance Of Original Loan
Open $1,832,000 Purchase Money Mortgage
Previous Owner $370,000 No Value Available
Previous Owner $385,000 No Value Available
Previous Owner $385,000 No Value Available
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft Prior Sale
08/03/2026 08/03/26 Sold $4,500,000 +4.8% $1,028 / Sq Ft
07/02/2026 07/02/26 Pending -- -- --
06/25/2026 06/25/26 For Sale $4,295,000 +87.6% $981 / Sq Ft
04/21/2017 04/21/17 Sold $2,290,000 +2.2% $616 / Sq Ft View Prior Sale
03/16/2017 03/16/17 Pending -- -- --
02/24/2017 02/24/17 For Sale $2,240,000 -- $603 / Sq Ft
Source: SmartMLS

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

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 $25,357 $1,638,070 $789,880 $848,190
2024 $24,063 $1,638,070 $789,880 $848,190
2023 $22,073 $1,253,420 $564,200 $689,220
2022 $21,596 $1,253,420 $564,200 $689,220
2021 $21,108 $1,253,420 $564,200 $689,220
2020 $18,916 $1,156,260 $564,200 $592,060
2019 $19,044 $1,156,260 $564,200 $592,060
2018 $21,883 $1,360,870 $656,040 $704,830
2017 $17,808 $1,102,010 $656,040 $445,970
2016 $17,379 $1,102,010 $656,040 $445,970
2015 $16,916 $1,102,010 $656,040 $445,970
2014 $16,541 $1,102,010 $656,040 $445,970
Source: Public Records

Agents Affiliated with this Home

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Map

Source: SmartMLS

MLS Number: 24185736

SmartMLS

APN: DARI-000010-000000-000046

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