For sale

Price cut: $75K (9/21)

$1,700,000

9 Columbus Avenue, Greenwich, CT 06830

4beds

2,280sqft

$10,485/mo

Get pre-qualified

Multi Family

Built in 1997

-- sqft lot

$-- Zestimate^®

$746/sqft

$-- HOA

What's special

Peaceful streetQuiet dead-end streetWell-designed living space

Rare Greenwich opportunity! This side-by-side duplex at 9 Columbus Ave sits on a quiet dead-end street in Chickahominy - offering the perfect house-hack setup: live in one unit and rent the other, or hold both as a turnkey investment. Each unit features 2 bedrooms and 1.5 baths across 1,112 sq ft of well-designed living space, for a total of 2,280 sq ft. Built in 1997, this move-in ready property offers newer construction quality that's hard to find at this price point in Greenwich. Whether you're an owner-occupant looking to offset your mortgage or an investor seeking cash flow in one of Fairfield County's most desirable towns, 9 Columbus Ave delivers flexibility, privacy, and long-term value on a peaceful street just minutes from Greenwich Avenue, the train station, and all that downtown Greenwich has to offer. Two homes, endless possibilities - don't miss this one.

85 days
944
44

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 4
Bathrooms: 4
Full bathrooms: 2
1/2 bathrooms: 2

Heating

Forced Air, Natural Gas

Cooling

Central Air

Appliances

Included: Gas Water Heater, Tankless Water Heater
Laundry: In Unit

Features

Basement: None
Attic: Access Via Hatch
Has fireplace: No

Interior area

Total structure area: 2,280
Total interior livable area: 2,280 sqft
Finished area above ground: 2,280

Property

Parking

Total spaces: 4
Parking features: Off Street, Driveway, Private
Has uncovered spaces: Yes

Lot

Size: 5,227 Square Feet
Features: Level

Details

Parcel number: 1843696
Zoning: R-6

Construction

Type & style

Home type: MultiFamily
Architectural style: Units are Side-by-Side
Property subtype: Multi Family
Attached to another structure: Yes

Materials

Vinyl Siding
Foundation: Slab
Roof: Asphalt

Condition

New construction: No
Year built: 1997

Utilities & green energy

Sewer: Public Sewer
Water: Public

Community & HOA

Community

Subdivision: Chickahominy

HOA

Has HOA: No

Location

Region: Greenwich

Financial & listing details

Price per square foot: $746/sqft
Tax assessed value: $603,890
Annual tax amount: $6,331
Date on market: 7/15/2026

Estimated market value

Not available

Estimated sales range

Not available

Price history

Date	Event	Price
9/21/2026	Price change	$1,700,000-4.2%$746/sqft
Source: Smart MLS #24191640 Report a problem
8/24/2026	Price change	$1,775,000-1.4%$779/sqft
Source: Smart MLS #24191640 Report a problem
8/12/2026	Price change	$1,800,000-9.5%$789/sqft
Source: Smart MLS #24191640 Report a problem
8/5/2026	Price change	$1,990,000-5.2%$873/sqft
Source: Smart MLS #24191640 Report a problem
7/28/2026	Price change	$2,100,000-12.5%$921/sqft
Source: Smart MLS #24191640 Report a problem
7/15/2026	Listed for sale	$2,400,000+200%$1,053/sqft
Source: Smart MLS #24191640 Report a problem
7/2/2007	Sold	$800,000$351/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$6,449 +3.5%	$521,780
2024	$6,228 +2.6%	$521,780
2023	$6,071 +0.9%	$521,780
2022	$6,016 +17.4%	$521,780 +22.6%
2021	$5,124 +0.2%	$425,600
2020	$5,116 -1%	$425,600
2019	$5,167 +2.3%	$425,600
2018	$5,052 +0%	$425,600 +1.3%
2017	$5,051 +1.6%	$420,210
2016	$4,971	$420,210