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Back 20 Cobblestone Pl
Off Market

20 Cobblestone Pl

Middlesex County MA 01776

5
7
10
8300 sq. ft.
61344 sq. ft.
Single-Family
Last sold for $2,550,000
Elise SiebertElise Siebert, last sold this property on 10 August 2026 after 139 days on market.

Overview

Located in one of Sudbury’s most coveted cul-de-sac neighborhoods, this magnificent French Manor estate offers over 8,000 square feet of exceptional quality and sophisticated design, showcasing exquisite architectural details throughout. Custom millwork, ornamental crown molding, and intricate ceiling details define the elegant interior, while manicured gardens frame views of the pool, spa, and cabana. The flexible floor plan offers the option for dual primary suites on the first and second floor, spacious bedrooms with en-suite baths, and 3 private home offices. Designed for both refined entertaining and comfortable living, the walk-out lower level features an au pair or in-law suite, wine cellar, home theater, wet bar with kitchenette, gym, sauna, steam shower, and bedroom with private bath. Meticulously maintained, with recent updates including newer roof, three newer HVAC systems, and fresh interior and exterior paint. Truly a timeless and gracious estate.

Features

5 bedrooms
7 bathrooms
10 carspaces
7 open car spaces
3 garage spaces
8300 sq. ft. floor area
61344 sq. ft. lot size
Single-Family

Estimated Value

Based on this property and similar 5 bedroom single-family properties sold in Middlesex County over the last 12 months, the estimated median property value of 20 Cobblestone Pl is $1.61m.

Median value
$1.61m
Estimated value range
$865k - $2.77m
Median days on market
25
Estimated value trend
-1%
decrease over the last 12 months
Average days on market is based on recent, comparable sales in Middlesex County. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 20 Cobblestone Pl

2026
Sold
$2,550,000
10 Aug 2026 by Elise Siebert, of Gibson Sotheby's International Realty

Happy sellers in Middlesex County

~%

We have insufficient information to provide an overview of customer satisfaction for Middlesex County. Viewing the agent profiles, reviews and sales for Middlesex County can provide insights for this location.

Local market activity for 5 bedroom single-family properties in Middlesex County

In the last 12 months, 25 five-bedroom single-family properties similar to 20 Cobblestone Pl, have been sold.

This represents a 24% increase in five-bedroom single-family properties sales when compared to the previous 12 months.

Nearby agents

Compare and contact these top performing agents who’ve delivered exception customer service for their clients in Middlesex County

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Robbi Rubenstein

Robbi Rubenstein is a recommended agent for Middlesex County.  They have 2 local sales and collected 1 local review across the last 12 months.

  •   5   (37 reviews)
  •  1 Review in Middlesex County
  •  2 Sales in Middlesex County
View profile
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Milina Vo

Milina Vo is a recommended agent for Middlesex County.  They have 1 local sale and collected 1 local review across the last 12 months.

  •   5   (1 review)
  •  1 Review in Middlesex County
  •  1 Sale in Middlesex County
View profile
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Nicole Pace

Nicole Pace is a recommended agent for Middlesex County.  They have 1 local sale and collected 1 local review across the last 12 months.

  •   5   (2 reviews)
  •  1 Review in Middlesex County
  •  1 Sale in Middlesex County
View profile
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David Divecchia

David Divecchia is a recommended agent for Middlesex County.  They have 1 local sale and collected 1 local review across the last 12 months.

  •   5   (16 reviews)
  •  1 Review in Middlesex County
  •  1 Sale in Middlesex County
View profile
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