4 Cos Cob Avenue - Greenwich, CT

$1,579,000

Beds

3.00

Baths

2,720

SqFt

0.14

Acres

Pricing Insight: Originally listed for $1,650,000, the price was last adjusted to $1,579,000 on July 26, 2026, a –$71,000 (4.3%) change, approximately 0 days ago. This property has been on the market for approximately 46 days. MLS reports 23 Days on Market (DOM) before it went under contract.

4 Cos Cob Avenue, Greenwich, CT is a 4-bed, 3-bath, 2,720 square foot home built in 1951 , featuring colonial architecture.

This home is within the Greenwich school district. Local, with nearby schools including Cos Cob.

MLS #: 24182748

Offered Price: $1,579,000

Residence Type: Single Family

Architectural Style: Colonial

Living Area: 2,720 Sq. Ft.

Lot Size: 0.14 Acres

Neighborhood: Cos Cob

County: Fairfield

Year Built: 1951

Design & Construction: Frame

Heating: Hot Air

Cooling: Central Air

Garage Spaces: 2

Price per Sq Ft as listed: $581

Estimated Tax: $7,394

Days on Market: 23

$12,000

3 Beds · 4 Baths · 2,381 Sq Ft

78 River Road, Greenwich

Home Automation: Not specified

Energy Features: Not specified

Solar Contract: Not specified

Heating Fuel: Natural Gas

Fuel Type: Hot Air

Fuel Tank Location: Not specified

Cooling System: Central Air

Hot Water System: Natural Gas, Domestic

Air Radon Mitigation: Not specified

Water Radon Mitigation: Not specified

Price per square foot: $581 / Sq. Ft.

Tax assessed value: $598,290

Estimated Tax: $7,394

Architectural Style: Colonial

Design & Construction: Frame

Residence Type: Single Family

Year Constructed: 1951

Living Area: 2,720 Sq. Ft.

Lot Size: 0.14 Acres

Fuel: Natural Gas

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AUTOMATED VALUATION ESTIMATE

Note: Computer-generated estimate, not an appraisal.

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Understanding This Valuation

The RPR AVM considers:

Recent sales of comparable properties
Property characteristics and location
Market trends in Greenwich
Statistical modeling algorithms

Local Market Context

Active Listings: 137

Average Price: $2,243,062

Average DOM: 23 days

Complimentary CMAs, no obligation

Move right into this beautifully maintained 4-bedroom home in the heart of Cos Cob! The first floor offers a wonderful open-concept family room flowing seamlessly into the eat-in kitchen, creating the perfect space for everyday living and entertaining. A formal dining room, full bath, private office, and study complete the main level. Upstairs, you'll find four generously sized bedrooms and two full bathrooms, including access to a walk-up attic from one of the bedrooms, providing excellent storage or future expansion potential. Outside, enjoy a flat backyard and detached two-car garage. Ideally located just moments from parks, shops, restaurants, schools, and the train, this home offers the perfect combination of space, convenience, and lifestyle.

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Flood Risk Assessment

Location Analysis:

Inland Greenwich location

Water Proximity:

No direct water access

Topography:

Standard terrain • 0.1 acres

Recommendations:

Consult FEMA Flood Maps for accurate zone info
Consider flood insurance based on professional assessment
Evaluate property drainage during inspection
Review local flood history with town officials

Risk Level: Low

Minimal flood risk indicators. Verify with FEMA flood maps.

Walkability Score: calculating…
Motif Lifestyle Score: calculating…

Amenity Access Summary

Dining & Café Access: Low to Moderate
Daily Services: Limited
Recreational Space: Limited Nearby

How These Scores Are Calculated

These scores reflect the proximity and concentration of nearby amenities, measured against a typical town-center environment.

Walkability emphasizes access to daily necessities such as groceries, pharmacies, banking, and routine services.
Motif Lifestyle emphasizes dining, cafés, parks, and leisure destinations that contribute to neighborhood character and quality of life.

All scores are normalized on a 0–100 scale to allow consistent comparison across different locations.

137

Homes For Sale

$2,243,062

Average List Price

Mechanicals & Utilities: Hot Air • Natural Gas • Central Air • Public Water Connected water • 1 fireplaces

Exterior Features

Exterior Construction: Hardie Board

Roof Type: Asphalt Shingle

Foundation: Block

Garage: Detached Garage (2 car)

Utilities: Water: Public Water Connected

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Steve Simos

Real Estate Advisor

Greenwich • Connecticut Shoreline

Licensed Real Estate Agent – Connecticut

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(203) 915-6183

george@appzentric.com

Good morning Steve, I'm interested in
4 Cos Cob Avenue, Greenwich, Connecticut

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