Is Greenwich, CT dog-friendly?

As of early 2026, 88% of users say it's dog friendly

Is a car needed in Greenwich, CT?

As of early 2026, 82% of users say car is needed

Is parking easy in Greenwich, CT?

As of early 2026, 77% of users say parking is easy

Does Greenwich, CT show holiday spirit?

As of early 2026, 76% of users say there's holiday spirit

Are yards well-kept in Greenwich, CT?

As of early 2026, 73% of users say yards are well-kept

Would people walk alone at night in Greenwich, CT?

As of early 2026, 73% of users say people would walk alone at night

Do kids play outside in Greenwich, CT?

As of early 2026, 69% of users say kids play outside

Is Greenwich, CT walkable to restaurants?

As of early 2026, 67% of users say it's walkable to restaurants

Do residents of Greenwich, CT plan to stay at least 5 years?

As of early 2026, 67% of users say they plan to stay for at least 5 years

Is Greenwich, CT quiet?

As of early 2026, 67% of users say it's quiet

Does Greenwich, CT have sidewalks?

As of early 2026, 60% of users say there are sidewalks

Is there wildlife in Greenwich, CT?

As of early 2026, 60% of users say there's wildlife

Are neighbors friendly in Greenwich, CT?

As of early 2026, 58% of users say neighbors are friendly

Are the streets well-lit in Greenwich, CT?

As of early 2026, 57% of users say streets are well-lit

Is Greenwich, CT walkable to grocery stores?

As of early 2026, 55% of users say it's walkable to grocery stores

Are there community events in Greenwich, CT?

As of early 2026, 45% of users say there are community events

UNDER CONTRACT

45 William St #B
Greenwich, CT 06830

3 Beds
3.5 Baths
3,376 sqft

$2,495,000

Est. Mortgage $16,022/mo*

Get Pre-Qualified

$2,495,000

Est. Mortgage $16,022/mo*

Get Pre-Qualified

3 Beds

3.5 Baths

3,376 sqft

Local Information

-- mins to

Commute Destination

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. 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.

Home Highlights

Parking

Garage

Outdoor

No Info

A/C

Heating & Cooling

HOA

None

Price/Sqft

$739

Listed

23 days ago

Home Details for 45 William St #B

Interior Features
Interior Details Wet Bar
Beds & Baths Number of Bedrooms: 3Number of Bathrooms: 4Number of Bathrooms (full): 3Number of Bathrooms (half): 1
Dimensions and Layout Living Area: 3376 Square Feet
Appliances & Utilities Utilities: Cable ConnectedLaundry: Laundry Room
Heating & Cooling Heating: Natural Gas,Hydro-AirHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Natural Gas
Fireplace & Spa Number of Fireplaces: 1Spa: BathHas a FireplaceHas a Spa
Security Security: Security System

Exterior Features
Exterior Home Features Roof: AsphaltOther Structures: Shed(s)No Private Pool
Parking & Garage Number of Garage Spaces: 2Number of Covered Spaces: 2Has a GarageParking Spaces: 2Parking: Assigned,Garage Door Opener

Days on Market
Days on Market: 23

Property Information
Year Built Year Built: 2005
Property Type / Style Property Type: ResidentialProperty Subtype: Residential, CondominiumArchitecture: Colonial
Building Construction Materials: Shingle Siding
Property Information Included in Sale: Washer/Dryer, All Kitchen ApplncsParcel Number: 072706/S

Price & Status
Price List Price: $2,495,000Price Per Sqft: $739

Active Status
MLS Status: Contingent Contract

Location
Direction & Address City: Greenwich
School Information Elementary School: Julian CurtissJr High / Middle School: Central

Agent Information
Listing Agent Listing ID: 125073

Building
Building Area Building Area: 3376 Square Feet

HOA
HOA Fee Includes: Trash, Snow Removal, Maintenance GroundsHOA Name (second): Sir Williams CourtHas an HOA

Lot Information
Lot Area: 0.28 acres

Mobile R/V
Mobile Home Park Mobile Home Units: Feet

Miscellaneous
Mls Number: 125073Zillow Contingency Status: Under Contract

Last check for updates: about 1 hour ago

Listing courtesy of Benjamin Cohen, (203) 249-1346

Coldwell Banker Realty

Source: Greenwich MLS, Inc., MLS#125073

Also Listed on Greenwich MLS, Inc..

Market trends in Greenwich

Last updated May 2026

Avg. sale price

$1.76M

$257KMoM

Sale-to-List Price

101.2%

1.0%MoM

Price per sq ft

$779

$4MoM

Available listings

183

8MoM

Price History for 45 William St #B

Date	Price	Event	Source
06/05/2026	$2,495,000	Contingent	Greenwich MLS, Inc. #125073

05/25/2026	$2,495,000	Listed For Sale	Greenwich MLS, Inc. #125073

06/07/2019	$1,595,000	ListingRemoved	Agent Provided

03/04/2019	$1,595,000	Listed For Sale	Agent Provided

11/30/2018	$1,650,000	ListingRemoved	Agent Provided

11/06/2018	$1,650,000	PriceChange	Agent Provided
Price Change $45,000 (-3%)
09/19/2018	$1,695,000	PriceChange	Agent Provided
Price Change $55,000 (-3%)
05/10/2018	$1,750,000	Listed For Sale	Agent Provided

07/16/2009	$1,450,000	Sold	N/A
Recording Date 07/16/2009 County Transfer Tax N/A Total Transfer Tax N/A
08/08/2006	$1,575,000	Sold	N/A
Recording Date 08/08/2006 County Transfer Tax N/A Total Transfer Tax N/A
06/14/2006	$1,100,000	Sold	N/A
Recording Date 06/14/2006 County Transfer Tax N/A Total Transfer Tax N/A

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Property Tax and Assessment

Year	2025
Tax	$10,128
Assessment	$819,490

Home facts updated by county records

Comparable Sales for 45 William St #B

Address	Distance	Property Type	Sold Price	Sold Date	Bed	Bath	Sqft
1 Northfield St #B, Greenwich, CT	0.04	Condo	$1,500,100	02/13/26	3	2.5	2,024
50 Church St #5, Greenwich, CT	0.09	Condo	$1,485,000	03/16/26	3	2.5	1,940
90 E Elm St #1, Greenwich, CT	0.66	Condo	$3,474,000	07/17/25	3	3.5	3,475
15 Lafayette Ct #5A, Greenwich, CT	0.30	Condo	$2,145,000	01/15/26	3	3	2,444
20 Church St #A34, Greenwich, CT	0.16	Condo	$1,300,000	11/24/25	3	2	1,578
56 Sherwood Pl #8, Greenwich, CT	0.16	Condo	$1,350,000	08/01/25	2	2.5	1,467
25 Woodland Dr #C, Greenwich, CT	0.91	Condo	$2,875,000	04/30/26	3	3.5	3,163
23 Woodland Dr #C, Greenwich, CT	0.90	Condo	$2,900,000	07/15/25	3	3.5	3,163
1 Milbank Ave #1F, Greenwich, CT	0.26	Condo	$2,500,000	10/28/25	2	2.5	2,335
4 Lafayette Ct #PENTHOUSE, Greenwich, CT	0.25	Condo	$4,512,000	01/06/26	3	3	2,464

Nearby homes

Get a sense of prices in the area by checking nearby homes.

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Sotheby's International Realty
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Skip to first item

Additional Cost

Assigned Schools

These are the assigned schools for 45 William St #B.

View nearby schools on GreatSchools

The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

What Locals Say about Greenwich

At least 465 Trulia users voted on each feature.

88 % Say it's dog friendly
82 % Say car is needed
77 % Say parking is easy
76 % Say there's holiday spirit
73 % Say yards are well-kept
73 % Say people would walk alone at night
69 % Say kids play outside
67 % Say it's walkable to restaurants
67 % Say they plan to stay for at least 5 years
67 % Say it's quiet
60 % Say there are sidewalks
60 % Say there's wildlife
58 % Say neighbors are friendly
57 % Say streets are well-lit
55 % Say it's walkable to grocery stores
45 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.

Trulia User
Visitor
Yesterday
"Great long walking trails all Over the town, and dog parks! So it is just wonderfully dog friendly. "
0
Flag
Justine
Resident
2w ago
"Greenwich car show, dog day out, Bruce museum, proximity to Highway, public beach and pool for Greenwich residents"
0
Flag
Trulia User
Visitor
2w ago
"School events, country club, cohen civic center, beach, walk-to-town, nice holiday environments, nice neighbors and neighborhoods!"
0
Flag
Dalvesbrito
Resident
3mo ago
"Block party School Halloween party School movie party Fireworks on 4th of July Center civic events "
0
Flag
Kellysgreensllc
Resident
5mo ago
"There are good schools,parks,library here. Conveniently located near mass transit.Not to forget our beaches. Local restaurants "
0
Flag
eiji.nishimuras
Resident
11mo ago
"No good dog park to speak of. And generally park regulation and beach regulation is not very dog friendly "
0
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Sharon Elkayam
Resident
1y ago
"It is a friendly community where the kids ride bikes and play together. The schools are good. The kids play in the front yards. "
0
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Jp
Resident
1y ago
"It’s the best blend of good suburban town systems and support, and easy access to the center of economic opportunity and culture. "
0
Flag
Stefanie Lacoff, Realtor
Resident
2y ago
"Many parks and trails to walk your dog. Dogs are allowed at the beach during winter months. Greenwich is a great place to live! "
1
Flag
Stefanie Lacoff, Realtor
Resident
2y ago
"Greenwich is diverse and inclusive. People are educated and parents are involved. We have great amenities and resources for our community. "
0
Flag
Stefanie Lacoff, Realtor
Resident
2y ago
"Greenwich is a fantastic town to live in and raise a family. It’s great for all ages from kids through seniors. "
0
Flag
Jmcdg22m5w
Resident
2y ago
"It’s a quiet and clean neighborhood, I like it a lot. The restaurants are beautiful, the people are friendly, it is an easily accessible place for pharmacies or clothing and accessories stores."
0
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Trulia User
Resident
2y ago
"I’ve lived here 25 years and love it. Looking to stay in the area only need a bigger house with no steps."
1
Flag
Trulia User
Resident
3y ago
"Great neighborhood! Love it here just looking for something more private single family home on a dead end or curl de sac."
2
Flag
Trulia User
Resident
4y ago
"Very dog friendly. Lots of great places to walk with a dog. Many dog owners. The beach in Old Greenwich is a fun place to meet other dog owners and allow them to play."
0
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Trulia User
Resident
4y ago
"I95 is the worst and the Merritt parkway are very difficult to commute on. Good luck if you need to commute during peak times. "
1
Flag
Sharonelkayam
Resident
5y ago
"Kid and pet friendly. Nice neighbors and well kept homes. The schools are great. Good area for walking and running. Near trains and shopping area in Old Greenwich. Beach is also a few minutes away."
1
Flag
Sandra
Resident
5y ago
"Halloween decoration is the best! Neighbors are very nice and safety, kids walk and play safety school is very good"
0
Flag
Barbara J.
Resident
5y ago
"Great public and private schools and safe neighborhoods. People are friendly and it’s a great place to raise kids. "
5
Flag
Charles M.
Resident
5y ago
"Pretty perfect. Train, buses, the parkway and 95. What’s left? Car pooling! and we have that as well."
0
Flag
Janette S. A.
Visitor
5y ago
"Family oriented neighborhood with nice parks and sidewalk restaurants. Feel safe going for a walk and at the park. "
0
Flag
Diane L.
Resident
5y ago
"The police involvement with their community, the amazing schools and circular activities, the friendly neighborhood, so many other Positive things to say not enough time!"
4
Flag
Hercoles_silveir4
Resident
5y ago
"Grande offers better security public transport schools hospital than any other city that my family and I have ever lived in I think a good place to live would recommend to anyone that I like a safe and educated home"
1
Flag
Daniel C.
Resident
5y ago
"I need a car most of the time. There’s 2 buses line that serves the town, one takes you to the metro north station "
0
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Trevor M.
Resident
5y ago
"Love living here!! It is beautiful,safe and fun. Tods point is amazing. Great schools and plenty of things to do!"
0
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Leila
Resident
5y ago
"The is very. Nice friendly I like to live in Grreewich because is Quite and gentle I can walk to my dog in the nighttime no danger"
5
Flag
Lynn M.
Resident
5y ago
"Busy street traffic, leash mandatory , people drive by fast! Dogs being walked are friendly. People pick up their dog waste. It’s a plus!"
1
Flag
Allforsummer
Prev. Resident
6y ago
"I grew up in Glenville. It’s a very family oriented neighborhood. Local businesses are owned by neighbors. Kids can ride their bikes freely or take walks to Glenville Pizza. Great place to live! "
0
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Katetaylor83
Resident
6y ago
"Yes - there are a number of places close by to walk your dogs. It’s not ideal, as there aren’t a lot of off leash options and the dog run is tiny and unusable. "
3
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Ksziman
Resident
6y ago
"Strong sense of community and neighborly support and camaraderie. Folks generally look out for one another "
3
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Stephanie
Resident
6y ago
"Yes there are lots of dogs. With lots of parks to walk dogs. Anyone who has a dog would be comfort in. "
0
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Lynn M.
Resident
6y ago
"My area is not particularly family friendly. I live in the main avenue. Better suited to working person/s."
2
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Lesliegodner
Resident
6y ago
"I’ve lived here for a year. It’s a great neighborhood. We have amazing restaurants and stores. Great for families and singles alike. "
0
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Jesselynn G.
Prev. Resident
6y ago
"The elementary school fairs/carnivals, trick or treating, fireworks at the park nothing else in particular but overall a great neighborhood "
0
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Mdandola
Resident
6y ago
"Lots of families in the area and great schools. The town has tons of wonderful programs, and there are great additional programs through YMCA and other organizations in town. The town party is awesome, as well."
4
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Sarah G.
Resident
6y ago
"I reverse commute to North Haven—50 mikes away. I have zero traffic and can get to 95 quickly, so that’s a plus. "
0
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Lynn M.
Resident
6y ago
"Stores that do not want to allow pets in post signs, most are ok with a quick in and out with a small dog."
0
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Andrea T.
Resident
6y ago
"Is very safe has great schools clean streets is near most shops people respect each other I would love rents to be not as expensive forces people to move out "
0
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Gissella E.
Resident
6y ago
"Safe area to live. Great school with a exceptional , espectacular kids activities and kids friendly and pleasure to live here and grow up your family. Good , good ,good "
0
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Debtifrob
Resident
6y ago
"This community is as close as you can get to a home town like Father Knows Best or Andy Griffin. With. the exception of the high cost, it's a very warm, exclusive neighborhood with mansions & working class ppl. lots of celebrities move here bc if safety & school system. I was born here & living here 65yrs now. Downfall is the high housing, upside lots if culture & a few beaches, public pool & island a ferry brings you to."
4
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LGBTQ Local Legal Protections

Benjamin Cohen, Coldwell Banker Realty

Agent Phone: (203) 249-1346

Listing data courtesy of Greenwich MLS. IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by the MLS.

45 William St #B, Greenwich, CT 06830 is a 3 bedroom, 4 bathroom, 3,376 sqft condo built in 2005. This property is currently available for sale and was listed by Greenwich MLS, Inc. on May 25, 2026. The MLS # for this home is MLS# 125073.

45 William St #B
Greenwich, CT 06830

$2,495,000

$2,495,000

Local Information