17 Thornhill Road, Greenwich, Connecticut 06878

About this home

Welcome to 17 Thornhill, a beautifully appointed home offering exceptional space, versatility and effortless indoor-outdoor living. Sun-filled interiors feature hardwood floors and an inviting flow from the spacious living room to a warm family room anchored by a striking floor-to-ceiling stone fireplace. The eat-in kitchen offers granite countertops, stainless steel appliances and direct access to the deck, creating an ideal setting for everyday living and entertaining. A first-floor bedroom/office with adjacent full bath and conveniently tucked-away laundry provides wonderful flexibility. Upstairs, the serene primary suite features a vaulted ceiling, custom walk-in closet and spa-like bath with double vanity, soaking tub and glass-enclosed shower. Two additional bedrooms and a beautifully updated hall bath complete the level. A spectacular bonus room above the garage impresses with soaring vaulted ceilings, exposed beams, skylight, hardwood floors and private balcony, perfect for a media room, playroom, gym or office. Outdoors, enjoy an expansive, level and fully fenced backyard with mature landscaping, stone walls, spacious deck, stone patio/fire pit area and garden beds. A rare combination of generous living space, character and exceptional outdoor amenities designed for today's lifestyle.

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

Schools

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 $1,850,000, ranging $1,625,000 to $2,050,000.

Within a 15-minute walk, sold in the last year
• 31 Thornhill Road4 bd · 4 ba · 2,074 sq ft · 0.1 mi away
  $2,050,000$988/sq ft2026-06-15
• 36 Cary Road4 bd · 4 ba · 2,400 sq ft · 0.2 mi away
  $1,850,000$770/sq ft2025-10-15
• 18 Griffith Road4 bd · 3 ba · 1,986 sq ft · 0.3 mi away
  $1,625,000$818/sq ft2026-03-19
• 11 Pond Place4 bd · 2 ba · 2,329 sq ft · 0.6 mi away
  $1,975,000$848/sq ft2025-10-17
• 18 Sound Beach Avenue4 bd · 4 ba · 1,576 sq ft · 0.6 mi away
  $1,849,000$1,173/sq ft2026-02-27

More homes in Greenwich

Closest in price to this one.

• 33 Sachem Road3 bed · 3 bath · 2,972 sq ft$1,750,000
• 55 Cos Cob Avenue3 bed · 3 bath · 2,550 sq ft$1,800,000
• 16 Dale Drive4 bed · 3 bath · 2,300 sq ft$1,695,000
• 28 Gregory Road4 bed · 3 bath · 3,597 sq ft$1,850,000
• 52 Francis Lane3 bed · 4 bath · 3,049 sq ft$1,895,000
• 61 Center Drive5 bed · 3 bath · 2,353 sq ft$1,549,000

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