340 Middlesex Rd
Darien, CT 06820
- 6 Beds
- 7 Baths
- 6,554 sqft (on 4.48 acres)
6 Beds
7 Baths
6,554 sqft
(on 4.48 acres)
Local Information
-- mins to
Description
This magnificent 4.5 acre country estate sits atop a rolling hillside enhanced by a lovely pond and beautifully landscaped grounds. Built in 1906 as a carriage house, the owners maintained much of the original charm, character and architecture throughout major renovations. Features include hardwood and brick flooring, open spiral staircase with wrought iron railings, three-story turret, gourmet kitchen and 3 fpls with antique mantels. Large media/game room, solarium, screened porch, gym, indoor spa room and a heated 3 car garage. The roman-style gunite pool is the focal point of the back yard. Separate guesthouse with studio/office, pool cabana, 2 full baths and heated 2 car garage. Classic Turf tennis court with lights for evening play.
340 Middlesex Rd, Darien, CT 06820 is a 6 bedroom, 7 bathroom, 6,554 sqft single-family home built in 1906. It last sold for $300,000 on Oct 1, 2018. It is currently off market. The Trulia Estimate is $5,213,400, with a rent estimate of $23,382/month.
Home Highlights
Parking
Garage
Outdoor
Porch, Patio, Pool
A/C
Heating & Cooling
HOA
None
Price/Sqft
No Info
Listed
Less than a day ago
Home Details for 340 Middlesex Rd
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Interior Details BasementAtticIn-law unitNumber of Rooms: 12Types of Rooms: Breakfast Nook, Dining Room, Family Room, Laundry Room, Library, Master Bath, Mud Room, Office, Recreation Room, Solarium AtriumWet Bar |
Heating & Cooling Heating: Baseboard, OilAir ConditioningCooling System: CentralHeating Fuel: Baseboard |
Levels, Entrance, & Accessibility Stories: 2Floors: Tile, Hardwood |
Appliances & Utilities Cable ReadyDishwasherDryerRefrigeratorWasher |
Fireplace & Spa FireplaceHot Tub or SpaJetted Bath Tub |
Security Security System |
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Exterior Home Features Roof: AsphaltExterior: ShingleLawnPatioPorchSprinkler System |
Pool Pool |
Parking & Garage GarageParking: Garage Attached |
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Year Built Year Built: 1906Year Updated: 2000 |
Property Type / Style Property Type: Single Family HomeArchitecture: Other |
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Units in Building: 1 |
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Lot Area: 4.48 acres |
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RV Parking Rv Parking |
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Fitness & Sports Basketball CourtTennis Court |
Pool Sauna |
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Intercom |
Price History for 340 Middlesex Rd
| Date | Price | Event | Source |
|---|---|---|---|
| 10/01/2018 | $300,000 | Sold | N/A |
| 12/31/2012 | $2,900,000 | Sold | Smart MLS #98523383 |
| 09/04/2012 | $3,650,000 | PriceChange | Agent Provided |
| 03/16/2012 | $3,870,000 | PriceChange | Agent Provided |
| 01/01/2012 | $3,970,000 | PriceChange | Agent Provided |
| 04/10/2011 | $4,150,000 | PriceChange | Agent Provided |
| 03/20/2011 | $4,250,000 | PriceChange | Agent Provided |
| 12/04/2010 | $4,350,000 | PriceChange | Agent Provided |
| 09/29/2010 | $4,480,000 | PriceChange | Agent Provided |
| 06/25/2010 | $4,650,000 | PriceChange | Agent Provided |
| 05/08/2010 | $4,850,000 | Listed For Sale | Agent Provided |
| 08/02/1995 | $942,500 | Sold | N/A |
Market trends in Darien
Last updated June 2026
Avg. sale price
$2.73M
Sale-to-List Price
105.6%
Price per sq ft
$787
Available listings
54
11MoM
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $34,576 |
| Assessment | $2,233,560 |
Home facts updated by county records
Comparable Sales for 340 Middlesex Rd
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.28 | Single-Family Home | $4,425,000 | 08/04/25 | 6 | 6 | 6,446 | |
0.20 | Single-Family Home | $4,800,000 | 12/18/25 | 5 | 4.5 | 6,192 | |
0.33 | Single-Family Home | $3,775,000 | 06/23/26 | 5 | 6.5 | 7,200 | |
0.42 | Single-Family Home | $4,325,000 | 07/29/25 | 5 | 6 | 5,545 | |
0.46 | Single-Family Home | $4,597,500 | 06/29/26 | 5 | 6.5 | 6,308 | |
0.48 | Single-Family Home | $5,660,000 | 04/14/26 | 6 | 7.5 | 8,680 | |
0.37 | Single-Family Home | $3,550,000 | 06/12/26 | 4 | 4.5 | 4,825 | |
0.64 | Single-Family Home | $2,795,000 | 08/21/25 | 6 | 6 | 6,058 | |
0.59 | Single-Family Home | $2,800,000 | 12/31/25 | 6 | 5.5 | 6,794 | |
0.37 | Single-Family Home | $2,500,000 | 05/08/26 | 4 | 3.5 | 4,260 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 340 Middlesex Rd.
What Locals Say about Darien
At least 147 Trulia users voted on each feature.
92 % Say it's dog friendly
89 % Say yards are well-kept
88 % Say parking is easy
87 % Say car is needed
84 % Say there's holiday spirit
82 % Say people would walk alone at night
80 % Say kids play outside
73 % Say there's wildlife
71 % Say it's quiet
70 % Say they plan to stay for at least 5 years
58 % Say neighbors are friendly
58 % Say there are community events
58 % Say there are sidewalks
55 % Say it's walkable to restaurants
48 % Say it's walkable to grocery stores
44 % Say streets are well-lit
Sourced by Trulia users. Learn more about our methodology.
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