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451 Mansfield Avenue, Darien, CT 06820

Darien
Local realty services provided by:CENTURY 21 Alliance Realty Group
451 Mansfield Avenue,Darien, CT 06820
$6,985,000
  • 7 Beds
  • 11 Baths
  • 9,058 sq. ft.
  • Single family
  • Active
Listed by: naima mazouzi(860) 754-7651
Office: eagle eye realty pllc(860) 263-9102
MLS#:24213571
Source:CT

Price summary

  • Price:$6,985,000
  • Price per sq. ft.:$771.14

About this home

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 ...

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Home facts

  • Year built:1999
  • Listing ID #:24213571
  • Added:10 day(s) ago
  • Updated:October 23, 2026 at 12:26 PM

Rooms and interior

  • Bedrooms:7
  • Total bathrooms:11
  • Full bathrooms:9
  • Half bathrooms:2
  • Rooms Total:15
  • Kitchen Description:Dishwasher, Gas Range, Microwave, Range Hood, Subzero, Wall Oven, Wine Chiller
  • Basement Description:Cooled, Full Basement, Garage Access, Heated, Partially Finished, Storage, Sump Pump
  • Living area:9,058 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Hot Air
  • Central air:Yes

Structure and exterior

  • Roof:Slate
  • Year built:1999
  • Building area:9,058 sq. ft.
  • Lot area:2.7 Acres
  • Lot Features:Dry, Lightly Wooded, Professionally Landscaped
  • Architectural Style:Colonial
  • Construction Materials:Stone, Wood

Schools

  • High school:Per Board of Ed
  • Elementary school:Per Board of Ed

Utilities

  • Water:Public Water Connected
  • Sewer:Public Sewer Connected

Finances and disclosures

  • Price:$6,985,000
  • Price per sq. ft.:$771.14
  • Tax amount:$47,118 (July 2025-June 2026)

Features and amenities

  • Appliances:Dishwasher, Electric Dryer, Gas Range, Microwave, Range Hood, Subzero, Wall Oven, Washer, Wine Chiller
  • Amenities:Sauna
  • Pool features:In Ground Pool

Parking

  • Parking description:Attached Garage
  • Garage:Yes
  • Garage spaces:4
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