53 William St, #B, Greenwich, CT 06830 Property Records

Greenwich Town property record for 53 William St, #B, Greenwich, CT 06830

Property Summary

Property Type	Condominium
Details	3 bd · 2 ba · 1,744 sqft · built 1915
Lot Size	0.27 acres (11,761 sqft)
Owner	2 Individual Names on Record
Last Sale	$710,000 (Aug 2021)
Tax Bill	$6,108 (2026)
Deeds & Mortgages	Aug 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`07-1617S`

Property Details

APN / Parcel Number

Primary APN	`07-1617S`
Alternative APNs	`GREE M:07 B:1617/S` `283/034`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Units	2 Units
Stories	2 Stories
Building Area	1,744 sqft Living Area
Attic	Attic
Attic Area	498 sqft
Basement Area	1,246 sqft
Unfinished Basement	1,246 sqft

Exterior

Year Built	Built 1915
Effective Year Built	Effective 1978
Architectural Style	Condo/Apartment
Exterior Material	Stone
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	11,761 sqft (0.27 acres)
Garage Type	Detached
Parking Spaces	1 Parking Space
Deck Area	Deck Area

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Account Number	283/034
Street Address	53 WILLIAM ST, B
City	GREENWICH
State	CT
Zip	06830-5608
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Block	1617/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	3
Census Block	3010
Census Tract	10300

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic District	Within the Fourth Ward Historic District listed 2000 · 160 contributing resources · NRIS 00000324

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

Source: Greenwich Town records, as of October 21, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	45 NUTMEG DR, GREENWICH, CT 06831-3211
Owner Type	Individual
Vesting	Et Al (and Others)

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 20, 2021 · Amount on Record
Deed Sale	Aug 20, 2021 · Amount on Record
Prior Sale	Apr 18, 2006 · Amount on Record
Deed Document Number	20219782
Deed Book / Page	7959 / 165
Record Updated	Oct 29, 2026

August 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Aug 20, 2021
Property Address	53 WILLIAM ST # B, B, GREENWICH, CT 06830-5608
Document Number	007959-165
Book / Page	7959 / 165
Instrument Date	Aug 19, 2021
Instrument	9782
Transaction Type	Transfer
Record Updated	Mar 18, 2025

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	45 NUTMEG DR, GREENWICH, CT 06831-3211

Mortgage

Document Number	0000009783
Date	Aug 20, 2021
Instrument	9783

Lender

Name	CITIZENS BANK
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

Source: Greenwich Town assessment roll, as of June 25, 2026

Property Jurisdictions

Type	Name
State	Connecticut
County Subdivision	Greenwich Town
Unified School District	Greenwich School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$6,108.00 (+9.7%)	$582,610 (+29.32%) Building $582,610	$1,592,114 (+404.85%)
2025	$5,568.00	$450,520 (-0.49%) Building $450,520	$315,364 Building $315,364
2024	$5,568.00 (+5.69%)
2023	$5,268.00 (+0.92%)	$452,760 (-) Building $452,760
2022	$5,220.00	$452,760 Building $452,760

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective November 28, 2025

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 99.1% of the US · lower than 99% of Connecticut
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	AQUARION-EASTERN FAIRFIELD COUNTY private · serves 351,756 people · EPA ID CT0150011
Water Source	Surface water
Last State Inspection	Jun 2025
Lead	Under 1 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	24 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 316 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20