Exceptional new construction estate by K&C Builders Inc., set on over 2.5 private acres on coveted Brookside Road. Offering approximately 11,000 SF across four finished levels, this stunning residence features 6 bedrooms, 8 full baths, and 1 half bath. Designed for elegant entertaining and everyday living, the home showcases a spectacular great room, gourmet chef's kitchen, private study, cabana-style room opening to the pool area, finished lower level, and finished attic. Premium Rhea European Windows flood the home with natural light while providing exceptional energy efficiency and modern sophistication. Extensive custom millwork, architectural ceiling details, designer lighting, detailed interior paneling, custom cabinetry, and bespoke finishes reflect the superior craftsmanship and attention to detail that define every K&C Builders project. The luxurious primary suite offers a spa-inspired bath and oversized custom walk-in closets. Outdoor amenities include professionally landscaped grounds, a resort-style pool, outdoor kitchen, and expansive entertaining spaces designed for seamless indoor-outdoor living. Ideally located minutes from downtown Darien, Metro-North, beaches, country clubs, and Darien schools, this extraordinary residence presents a rare opportunity to own a signature home built to the highest standards of quality, design, and craftsmanship.
For sale
$9,250,000
175 Brookside Road, Darien, CT 06820
6beds
11,314sqft
Single Family Residence
Built in 2026
2.54 Acres Lot
$-- Zestimate®
$818/sqft
$-- HOA
What's special
- 13 days |
- 1,763 |
- 83 |
Zillow last checked:
Listing updated:
Listed by:
Sylwia Kozlowski (203)984-6945,
William Raveis Real Estate 203-227-4343
Source: Smart MLS,MLS#: 24179744
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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 6
- Bathrooms: 9
- Full bathrooms: 8
- 1/2 bathrooms: 1
Rooms
- Room types: Bonus Room, Laundry, Sitting Room
Primary bedroom
- Features: High Ceilings, Balcony/Deck, Full Bath, Sliders, Walk-In Closet(s), Hardwood Floor
- Level: Upper
Bedroom
- Features: High Ceilings, Full Bath, Walk-In Closet(s), Hardwood Floor
- Level: Upper
Bedroom
- Features: High Ceilings, Full Bath, Walk-In Closet(s), Hardwood Floor
- Level: Upper
Bedroom
- Features: High Ceilings, Full Bath, Walk-In Closet(s), Hardwood Floor
- Level: Upper
Bedroom
- Features: High Ceilings, Full Bath, Walk-In Closet(s), Hardwood Floor
- Level: Upper
Bedroom
- Features: Cathedral Ceiling(s), Walk-In Closet(s), Hardwood Floor
- Level: Third,Other
Bathroom
- Features: Full Bath, Tile Floor
- Level: Third,Other
Bathroom
- Features: High Ceilings, Full Bath, Tile Floor
- Level: Main
Bathroom
- Features: Tile Floor
- Level: Lower
Bathroom
- Features: Hardwood Floor
- Level: Main
Den
- Features: High Ceilings, Patio/Terrace, Sliders, Hardwood Floor
- Level: Main
Dining room
- Features: High Ceilings, Hardwood Floor
- Level: Main
Family room
- Features: High Ceilings, Built-in Features, Hardwood Floor
- Level: Main
Great room
- Features: High Ceilings, Built-in Features, Gas Log Fireplace, Patio/Terrace, Sliders, Hardwood Floor
- Level: Main
Kitchen
- Features: High Ceilings, Dining Area, Wet Bar, Kitchen Island, Pantry, Hardwood Floor
- Level: Main
Office
- Features: Cathedral Ceiling(s), Hardwood Floor
- Level: Third,Other
Rec play room
- Features: High Ceilings, Cathedral Ceiling(s), Built-in Features, Dry Bar, Fireplace, Tile Floor
- Level: Lower
Heating
- Hydro Air, Radiant, Zoned, Propane
Cooling
- Central Air, Zoned
Appliances
- Included: Oven/Range, Microwave, Range Hood, Refrigerator, Freezer, Subzero, Ice Maker, Dishwasher, Washer, Dryer, Wine Cooler, Water Heater, Humidifier
- Laundry: Upper Level, Mud Room
Features
- Sound System, Wired for Data, Open Floorplan, Entrance Foyer, Smart Thermostat
- Basement: Partial,Sump Pump,Storage Space,Interior Entry,Walk-Out Access,Concrete
- Attic: Partially Finished,Walk-up
- Number of fireplaces: 2
Interior area
- Total structure area: 11,314
- Total interior livable area: 11,314 sqft
- Finished area above ground: 9,700
- Finished area below ground: 1,614
Property
Parking
- Total spaces: 3
- Parking features: Attached, Garage Door Opener
- Attached garage spaces: 3
Features
- Patio & porch: Patio
- Exterior features: Balcony, Outdoor Grill, Sidewalk, Rain Gutters, Lighting, Underground Sprinkler
- Has private pool: Yes
- Pool features: Gunite, Heated, In Ground
Lot
- Size: 2.54 Acres
- Features: Corner Lot, Wetlands, Level, Sloped, Landscaped, Open Lot
Details
- Parcel number: 103114
- Zoning: R2
- Other equipment: Generator
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial,Modern
- Property subtype: Single Family Residence
Materials
- Clapboard, Cedar
- Foundation: Concrete Perimeter
- Roof: Other
Condition
- Completed/Never Occupied
- Year built: 2026
Details
- Warranty included: Yes
Utilities & green energy
- Sewer: Septic Tank
- Water: Public
- Utilities for property: Underground Utilities
Community & HOA
Community
- Features: Golf, Library, Park, Playground, Private School(s), Shopping/Mall
- Security: Security System
HOA
- Has HOA: No
Location
- Region: Darien
Financial & listing details
- Price per square foot: $818/sqft
- Tax assessed value: $1,109,850
- Annual tax amount: $17,180
- Date on market: 6/1/2026
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 6/12/2026 | Listed for sale | $9,250,000+413.9%$818/sqft |
Source:  Smart MLS #24179744 Report a problem | ||
| 12/1/2023 | Sold | $1,800,000-5%$159/sqft |
Source: Smart MLS #170566216 Report a problem | ||
| 8/18/2023 | Pending sale | $1,895,000$167/sqft |
Source: Smart MLS #170566216 Report a problem | ||
| 4/29/2023 | Listed for sale | $1,895,000-28.5%$167/sqft |
Source: Smart MLS #170566216 Report a problem | ||
| 6/30/2021 | Sold | $2,650,000-15.9%$234/sqft |
Source: Smart MLS #170151280 Report a problem | ||
| 1/14/2021 | Listing removed | -- |
Source:  Smart MLS Report a problem | ||
| 10/29/2020 | Listed for sale | $3,150,000+14.6%$278/sqft |
Source: Halstead Real Estate #170151280 Report a problem | ||
| 6/25/2020 | Listing removed | $2,749,000$243/sqft |
Source: Halstead Real Estate #170151280 Report a problem | ||
| 6/10/2020 | Listed for sale | $2,749,000$243/sqft |
Source: Halstead Real Estate #170151280 Report a problem | ||
| 4/1/2020 | Listing removed | $9,500$1/sqft |
Source: New Canaan - Elm Street Office #170217782 Report a problem | ||
| 3/29/2020 | Listed for rent | $9,500-24%$1/sqft |
Source: New Canaan - Elm Street Office #170217782 Report a problem | ||
| 3/28/2020 | Listing removed | $2,749,000$243/sqft |
Source: Halstead Real Estate #170151280 Report a problem | ||
| 6/4/2019 | Price change | $2,749,000-3.5%$243/sqft |
Source: Halstead Real Estate #170151280 Report a problem | ||
| 4/5/2019 | Price change | $2,849,000-4.9%$252/sqft |
Source: Halstead Real Estate #170151280 Report a problem | ||
| 3/6/2019 | Listed for sale | $2,995,000$265/sqft |
Source: Halstead Real Estate #170151280 Report a problem | ||
| 7/6/2018 | Listing removed | $12,500$1/sqft |
Source: Darien Office #170070550 Report a problem | ||
| 4/13/2018 | Listed for rent | $12,500$1/sqft |
Source: Darien Office #170070550 Report a problem | ||
| 3/31/2018 | Listing removed | $2,995,000$265/sqft |
Source: Halstead Real Estate #99179931 Report a problem | ||
| 2/5/2018 | Price change | $2,995,000-9.1%$265/sqft |
Source: Halstead Property #99179931 Report a problem | ||
| 8/29/2017 | Price change | $3,295,000-5.7%$291/sqft |
Source: Halstead Property #99179931 Report a problem | ||
| 4/5/2017 | Price change | $3,495,000-2.8%$309/sqft |
Source: HALSTEAD CT, LLC DAR #99179931 Report a problem | ||
| 4/1/2016 | Price change | $3,595,000-2.7%$318/sqft |
Source: William Pitt Sotheby's International Realty #99130735 Report a problem | ||
| 1/18/2016 | Price change | $3,695,000-2.6%$327/sqft |
Source: William Pitt and Julia B. Fee Sotheby's International Realty #99130735 Report a problem | ||
| 10/2/2015 | Price change | $3,795,000-5%$335/sqft |
Source: William Pitt and Julia B. Fee Sotheby's International Realty #99097357 Report a problem | ||
| 8/2/2015 | Price change | $3,995,000-4.9%$353/sqft |
Source: William Pitt and Julia B. Fee Sotheby's International Realty #99097357 Report a problem | ||
| 6/1/2015 | Price change | $4,199,000-6.6%$371/sqft |
Source: William Pitt and Julia B. Fee Sotheby's International Realty #99097357 Report a problem | ||
| 4/3/2015 | Listed for sale | $4,495,000+18.4%$397/sqft |
Source: William Pitt Sotheby's International Realty #99097357 Report a problem | ||
| 4/18/2011 | Sold | $3,795,000+176%$335/sqft |
Source: Smart MLS #98454996 Report a problem | ||
| 6/20/1991 | Sold | $1,375,000$122/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $17,180 +5.4% | $1,109,850 |
| 2024 | $16,304 +7.3% | $1,109,850 +28.6% |
| 2023 | $15,200 -23.8% | $863,170 -25.5% |
| 2022 | $19,957 -46.8% | $1,158,290 -48% |
| 2021 | $37,525 +2.9% | $2,228,310 |
| 2020 | $36,455 -0.7% | $2,228,310 |
| 2019 | $36,700 -9.8% | $2,228,310 -11.9% |
| 2018 | $40,679 -0.5% | $2,529,800 |
| 2017 | $40,882 +2.5% | $2,529,800 |
| 2016 | $39,895 +2.7% | $2,529,800 |
| 2015 | $38,832 +2.3% | $2,529,800 |
| 2014 | $37,972 -13.4% | $2,529,800 -24% |
| 2013 | $43,844 +3.9% | $3,329,060 |
| 2012 | $42,212 +3.9% | $3,329,060 |
| 2011 | $40,615 +3.9% | $3,329,060 |
| 2010 | $39,083 +8% | $3,329,060 +4.6% |
| 2009 | $36,173 +13.8% | $3,181,430 +45.7% |
| 2008 | $31,779 +4.9% | $2,184,140 |
| 2007 | $30,294 +3.5% | $2,184,140 |
| 2006 | $29,267 -28% | $2,184,140 -30% |
| 2005 | $40,625 +55.7% | $3,120,200 +42.9% |
| 2004 | $26,100 +28.4% | $2,184,140 +40.4% |
| 2003 | $20,324 -6.8% | $1,556,170 |
| 2001 | $21,818 +7.4% | $1,556,170 -30% |
| 2000 | $20,324 +18.2% | $2,223,100 +129% |
| 1999 | $17,201 | $970,690 |
Find assessor info on the county website
Monthly payment
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Payment breakdown
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HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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Climate risks
Neighborhood: 06820
Nearby schools
GreatSchools rating
- 10/10Ox Ridge Elementary SchoolGrades: PK-5Distance: 0.9 mi
- 10/10Middlesex Middle SchoolGrades: 6-8Distance: 2.1 mi
- 10/10Darien High SchoolGrades: 9-12Distance: 1.3 mi
Schools provided by the listing agent
- Elementary: Ox Ridge
- High: Darien
Source: Smart MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
A local agent can set up tours, give advice and negotiate with sellers.
- Connecticut
- Fairfield County
- Darien
- 06820
- 175 Brookside Road
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Nearby neighborhoods
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