$2,495,000
Greenwich, CT 06830
MLS# 125073
3 beds | 3.1 baths | 3376 sqft
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Property Description
Townhouse Living in the Heart of Greenwich - Private Rear Lawn + 3,376 Sq Ft of Interior Space. A rare opportunity to own a beautifully scaled 3-bedroom, 3.5-bath townhome in one of downtown Greenwich's most charming and private enclaves. Set within a boutique six-residence association, 45 William Street #B is the largest residence in the community and the only one with its own private rear lawn - a 3,476-square-foot outdoor space that is exceptionally rare in central Greenwich. Inside, the home offers 3,376 square feet across three levels, blending the comfort and proportions of a townhouse with the ease of in-town living.
Details
Maps
Location & Property Info
List Price/SqFt: 739.04
Zoning: R-6
Unit #: B
Owner Financing: No
Section: South Parkway
Condo Association: Sir Williams Court
For Rent: No
CIOA: Yes
# HBths: 1
# FPs: 1
General Property Info
Acres +/-: 0.28
Elementary School: Julian Curtiss
Middle School: Central
Pool: No
Court: No
Year Built: 2005
Garage #: 2
SqFt +/-: 3376
Tax & Misc Info
Assessment: 1271200
Mill Rate: 12.359
Taxes: 12178
Remarks & Misc
Directions: Church Street, turn onto William Street. The driveway entrance is located between the two homes. Unit B is tucked privately toward the rear of the property, down the driveway
Exterior
Shingle Siding: 1
Design
Colonial: 1
Pets Allowed
Yes: 1
Heat System
Hydro-Air: 1
Entry Hall Level/FP
1st: 1
Heat Fuel
Natural Gas: 1
Entry Hall Ceilings
Extra Height: 1
Entry Hall Comments
Entrance Foyer: 1
Living Room Level/FP
1st: 1
FP: 1
Living Room Ceilings
Extra Height: 1
Attic
Partial: 1
Living Room Comments
Wet Bar: 1
Lot Description
Level: 1
Parklike: 1
Roof
Asphalt: 1
Dining Room Level/FP
1st: 1
Dining Room Ceilings
Extra Height: 1
Cooling System
Central Air: 1
Dining Room Comments
Living/Dining Room: 1
Library/Den Level/FP
1st: 1
Library/Den Ceilings
Extra Height: 1
Water Source
Public: 1
Sanitation Source
Town Sewer: 1
Library/Den Comments
Built-Ins: 1
Gas Source
Public Utility: 1
Family Room Level/FP
3rd: 1
Documents Available
Brochure: 1
Call LB: 1
Powder Room Level/FP
1st: 1
Powder Room Ceilings
Extra Height: 1
Kitchen Level/FP
1st: 1
Parking Description
Assigned: 1
Attached Garage: 1
Kitchen Ceilings
Extra Height: 1
Kitchen Comments
Kitchen Island: 1
Pantry: 1
Primary Bdrm Level/FP
2nd: 1
FP: 1
Primary Bdrm Ceilings
Extra Height: 1
Included
All Kitchen Applncs: 1
Washer/Dryer: 1
Primary Bdrm Comments
Walk-in Closet(s): 1
Primary Bath Level/FP
2nd: 1
Primary Bth Ceilings
Extra Height: 1
Primary Bth Comments
Sep Shower: 1
Whirlpool Tub: 1
Dbl Bdrms Level/FP
2nd: 2
Dbl Bdrms Ceilings
Extra Height: 1
Bath Level/FP
2nd: 2
Bath Ceilings
Extra Height: 1
Laundry Level/FP
2nd: 1
Laundry Ceilings
Extra Height: 1
Laundry Comments
Separate Room: 1
Hot Water
Gas: 1
Basement Type
Crawl Space: 1
Features
Auto Garage Door: 1
Cable Connected: 1
Security System: 1
Sprinkler System: 1
Outbuildings
Shed(s): 1
CC Included
Grounds Care: 1
Snow Removal: 1
Trash Removal: 1
Excluded
Call LB: 1
Condo/Coop Info
Comm Charges: 976
Location Property Info
List Price: $2,495,000
Type: Condominium
Street #: 45
Street Name: William
Street Suffix: Street
State: CT
Zip Code: 06830
County: Fairfield
Area: 3 - Greenwich
Property ID: 07-2706/S
# Bdrms: 3
# FBths: 3
Baths: 3.1
OfficeContract Info
Status: Active
List Date: 2026-05-25
Property Features
Entry Hall Ceilings: Extra Height
Entry Hall Comments: Entrance Foyer
Living Room Ceilings: Extra Height
Living Room Comments: Wet Bar
Dining Room Ceilings: Extra Height
Dining Room Comments: Living/Dining Room
Powder Room Ceilings: Extra Height
Kitchen Ceilings: Extra Height
Kitchen Comments: Kitchen Island; Pantry
Primary Bdrm Ceilings: Extra Height
Primary Bdrm Comments: Walk-in Closet(s)
Primary Bth Ceilings: Extra Height
Primary Bth Comments: Sep Shower; Whirlpool Tub
Dbl Bdrms Ceilings: Extra Height
Bath Ceilings: Extra Height
Laundry Ceilings: Extra Height
Laundry Comments: Separate Room
Design: Colonial
Cooling System: Central Air
Heat System: Hydro-Air
Heat Fuel: Natural Gas
Hot Water: Gas
Attic: Partial
Basement Type: Crawl Space
Water Source: Public
Sanitation Source: Town Sewer
Gas Source: Public Utility
Exterior: Shingle Siding
Parking Description: Assigned; Attached Garage
Roof: Asphalt
Lot Description: Level; Parklike
Documents Available: Brochure; Call LB
Features: Auto Garage Door; Cable Connected; Security System; Sprinkler System
Outbuildings: Shed(s)
Included: All Kitchen Applncs; Washer/Dryer
Excluded: Call LB
CC Included: Grounds Care; Snow Removal; Trash Removal
Pets Allowed: Yes
Supplements
The main level features gracious entertaining spaces, abundant natural light, a large eat-in kitchen, and seamless access to the rear lawn, creating an effortless indoor-outdoor flow for outdoor dining, entertaining, gardening, or simply enjoying private green space at home.
Generous room proportions, three spacious bedrooms, three full baths plus a powder room, flexible living areas, and excellent separation of space provide comfort for everyday living, guests, and work-from-home needs. A private garage and additional deeded parking further enhance the home's convenience and livability.
Ideally located just moments from Greenwich Avenue, shopping, dining, Metro-North, parks, and Greenwich Library, 45 William Street #B offers a truly uncommon combination of space, privacy, outdoor living, and close-to-town convenience.
Listing Office: Coldwell Banker Realty
Last Updated: May - 26 - 2026
Listing information comes from various sources and may not always be accurate. No representation or warranty is made as to the accuracy of this information. You should verify any information that is important to your buying decision. Greenwich Multiple Listing Service, Inc.