45 William St, #A, Greenwich, CT 06830 Property Records

Greenwich Town property record for 45 William St, #A, Greenwich, CT 06830

Property Summary

Property Type	Condominium
Details	3 bd · 2.5 ba · 2,032 sqft · built 1868
Owner	Individual Name on Record
Last Sale	$1,191,552 (Mar 2022)
Tax Bill	$7,765 (2025)
Deeds & Mortgages	Mar 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`07-3078S`

Property Details

APN / Parcel Number

Primary APN	`07-3078S`
Alternative APNs	`GREE M:07 B:3078/S` `283`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,032 sqft Living Area
Attic	Attic
Attic Area	264 sqft
Basement Area	1,012 sqft
Unfinished Basement	1,012 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1868
Effective Year Built	Effective 1868
Architectural Style	Condo/Apartment
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Garage Type	Basement
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	283
Street Address	45 WILLIAM ST, A
City	GREENWICH
State	CT
Zip	06830-5608
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	R-6
Legal Block	3078/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	3
Census Block	3016
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 June 25, 2026

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

Owner of Record	Individual Name on Record
Mailing Address	45 WILLIAM ST, A, GREENWICH, CT 06830-5608
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 22, 2022 · Amount on Record
Deed Sale	Mar 22, 2022 · Amount on Record
Deed Document Number	20222590
Deed Book / Page	8078 / 163
Record Updated	Sep 20, 2026

March 2022: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Mar 22, 2022
Property Address	45 WILLIAM ST # A, A, GREENWICH, CT 06830-5608
Document Number	008078-163
Book / Page	8078 / 163
Instrument Date	Mar 21, 2022
Instrument	2590
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	175 W 60TH ST APT 12D, 12D, NEW YORK, NY 10023-7549

Mortgage

Document Number	0000002591
Date	Mar 22, 2022
Instrument	2591

Lender

Name	CITIZENS BANK
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Rate	3.13%
Type Change Date	Apr 1, 2032
Max Rate At Change	2.75%
Index	Other

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
2025	$7,765.00	$628,250 (-) Building $628,250	$439,775 Building $439,775
2024	$7,765.00 (+6.22%)
2023	$7,310.00 (+0.91%)	$628,250 (-) Building $628,250
2022	$7,244.00	$628,250 Building $628,250

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