For Sale
Single family home for sale at 451 Mansfield Ave, Darien, CT 06820 | MLS# 24213571 | Listing updated on 2026-10-13
Photo 1 of Single family home for sale at 451 Mansfield Ave, Darien, CT 06820 | MLS# 24213571 | Listing updated on 2026-10-13
Photo 2 of Single family home for sale at 451 Mansfield Ave, Darien, CT 06820 | MLS# 24213571 | Listing updated on 2026-10-13
Photo 3 of Single family home for sale at 451 Mansfield Ave, Darien, CT 06820 | MLS# 24213571 | Listing updated on 2026-10-13
Photo 4 of Single family home for sale at 451 Mansfield Ave, Darien, CT 06820 | MLS# 24213571 | Listing updated on 2026-10-13
36+
Beds Icon

Street View

$6,985,000

Monthly Est:$34,767

  • Beds Icon7 Beds
  • Beds Icon
    11 Baths
  • Beds Icon9,058sqft

451 Mansfield Ave, Darien, CT 06820

$34,767/moEst:

Get Pre-Approved

  • Single Family Residence

  • Built in 1999

  • $-- HOA

  • 2.7 acres lot

  • $771/sq.ft

Description

Set back from the road on 2.7 beautifully landscaped acres, 451 Mansfield Avenue offers the privacy, grandeur, and distinctive character of a true country estate. A sweeping circular drive introduces a grand residence distinguished by its striking stone facade and timeless architectural detailing, a substantial two-story guest house, and a magnificent outdoor setting centered around a 24' x 48' infinity-edge pool. Extensive custom stonework, elegant terraces, and lush grounds enhance the property's distinctive estate-like character. Extensively renovated in 2026, the residence features all- new mechanical systems, new windows, and thoughtfully redesigned interiors. Blending timeless architectural elegance with sophisticated contemporary luxury, the home offers approximately 9,000 square feet of finished living space, including a light-filled 1,600-square-foot walk-out lower level. Inside, a graceful, curved staircase rises from the herringbone-floored foyer, introducing beautifully proportioned rooms, distinctive millwork, and refined architectural detailing. Formal living and dining rooms, each with a custom marble fireplace, provide gracious entertaining spaces, while a richly paneled library with coffered ceiling and fireplace offers a distinguished private study.

  • Houzeo last checked: 14 minutes ago
  • Listing updated: October 13, 2026 at 6:16 am
  • Listing Provided by: Naima Mazouzi | Eagle Eye Realty PLLC
  • Source: SMART MLS-CT | MLS#: 24213571 SMART MLS-CT

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    -

  • County

    Fairfield County

  • City

    Darien

  • Neighborhood

    --

  • Year Built

    1999

  • HOA Fees

    -

  • Finished Area

    9,058 sqft

  • Lot Size

    2.7 acres lot

  • Basement Area

    - sqft

  • MLS Name

    SMART MLS

  • MLS Number

    24213571

  • MLS Status

    Active

  • Days on Market

    6

Continue Your Journey in App

Find your dream home, receive real-time updates, and many more!

Location

HOA Management

0

HOA Fees

$-/

Disclaimer: Amenities are based on third-party information and may vary; buyers must independently verify all amenities, as information is deemed reliable but not guaranteed.

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 7

    Bathrooms: 11

Interior

  • Sewer

    Public Sewer Connected

  • Appliances

    Gas Range, Wall Oven, Microwave, Range Hood, Subzero, Dishwasher, Washer, Electric Dryer, Wine Chiller

  • Cooling

    Central Air

  • Heating

    Propane

  • Interior Features

    Sauna

Construction

  • Year Built

    Year Built: 1999

  • Home type

    Single Family Residence

  • Architectural Style

    Colonial

  • Foundation Details

    Concrete

  • Roof

    Slate

Utilities & Energy

  • Water Source

    Public Water Connected

  • Pool Features

    Gunite, Heated, Pool House, Infinity Edge, Salt Water, In Ground Pool

  • Basement

    Full, Heated, Sump Pump, Storage, Garage Access, Cooled, Partially Finished

  • Laundry Features

    Upper Level

  • Parking Features

    Attached Garage

Other Features

  • Subdivision Name

    N/a

  • Lot Features

    Lightly Wooded, Dry, Professionally Landscaped

Price History

DateEventPrice

10/13/2026

Source: mls_logoSMART MLS-CT #24213571

Listed for Sale

$6,985,000 +288.06%

$771/sqft

09/12/2023

Source: #170594919

Listing Removed

$1,800,000

$199/sqft

Nearby Homes

Based on information provided to and compiled by the SMART MLS, Inc. through Oct 20, 2026, 08:15AM. IDX information is provided exclusively for consumers’ personal, non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed accurate by the MLS. ©2026 SMART MLS, Inc. All Rights Reserved.

Advertising Broker: Derek Greene | The Greene Realty Group