9 Columbus Avenue, Greenwich, Connecticut 06830

About this home

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.

Flood risk: check the FEMA flood map for this address.

Taxes

Interior

Building & Exterior

Lot & Land

What it would cost per month

An estimate you can adjust — not a quote, and not an offer of credit. Principal and interest only, plus the taxes and HOA already on this listing. Insurance, PMI and closing costs are not included. Rate seeded at 6.5% (August 2026); change it to whatever your lender quotes.

What's nearby

Distances are straight-line from the property, not driving or walking routes. Places data © OpenStreetMap contributors.

Recent comparable sales

The 5 closest recent sales to this home, nearest match first — same building where possible, then the surrounding streets, widening only when there is nothing closer. These are recorded sale prices from the MLS, not estimates. No automated valuation is shown, because what a home is worth depends on condition, layout and timing that a formula cannot see — call John at 203·883·3399 to read them properly against this home.

5 comparable sales — median $920,000, ranging $670,000 to $1,140,000.

Within a 15-minute walk, sold in the last year
• 116 Hamilton Avenue5 bd · 3 ba · 2,324 sq ft
  $1,049,000$451/sq ft2026-04-02
• 8 Reynolds Place5 bd · 3 ba · 1,819 sq ft · 0.6 mi away
  $1,140,000$626/sq ft2025-12-24
Within about a mile and a half, sold in the last 2 years
• 37 Harold Avenue3 bd · 2 ba · 2,031 sq ft · 0.2 mi away
  $670,000$329/sq ft2024-10-10
• 42 Gerry Street5 bd · 2 ba · 1,727 sq ft · 0.3 mi away
  $855,000$495/sq ft2024-11-13
• 33 Almira Drive4 bd · 3 ba · 2,058 sq ft · 0.7 mi away
  $920,000$447/sq ft2025-05-30

Recorded sales

Deed transfers on file with the Greenwich land records, newest first. These are recordings rather than MLS sales, so they include transfers that were never listed. Nominal and $0 transfers (estate, trust and family conveyances) are excluded.

• 2007-07-02$800,000Two Family

More homes in Greenwich

Closest in price to this one.

• 21 Division Street West4 bed · 4 bath · 3,392 sq ft$1,699,000
• 276 Bruce Park Avenue4 bed · 3 bath · 1,969 sq ft$1,525,000
• 22 Lyon Avenue4 bed · 2 bath · 2,228 sq ft$1,249,000
• 42 Gerry Street5 bed · 2 bath · 2,118 sq ft$1,189,000
• 15 Henry Street2 bed · 2 bath · 1,258 sq ft$799,000

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