16 Chestnut St, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 16 Chestnut St, Cos Cob, CT 06807

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,329 sqft · built 1894
Lot Size	0.22 acres (9,583 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,450,000 (Jun 2022)
Tax Bill	$9,762 (2025)
Deeds & Mortgages	Jun 2022 Sale & Mortgage Apr 2021 Transfer
Flood Zone	Zone X (minimal risk)
APN	`08-1792S`

Property Details

APN / Parcel Number

Primary APN	`08-1792S`
Alternative APNs	`GREE M:08 B:1792/S` `400/022`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,329 sqft Living Area
Attic	Attic
Attic Area	275 sqft
Basement Area	870 sqft
Unfinished Basement	870 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1894
Effective Year Built	Effective 1953
Architectural Style	Victorian
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	9,583 sqft (0.22 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	Oil

Location & Zoning

Account Number	400/022
Street Address	16 CHESTNUT ST
City	COS COB
State	CT
Zip	06807-1600
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-12
Legal Block	1792/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	3
Census Block	3005
Census Tract	10202

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	2 Individual Names on Record
Mailing Address	16 CHESTNUT ST, COS COB, CT 06807-1600
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jun 7, 2022	Warranty Deed, Transfer · Stand-Alone First Mortgage CITIZENS BANK
Apr 5, 2021	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 7, 2022 · Amount on Record
Deed Sale	Jun 7, 2022 · Amount on Record
Prior Sale	May 27, 2011 · Amount on Record
Deed Document Number	20225081
Deed Book / Page	8117 / 303
Prior Transfer Date	Jun 21, 2020
Prior Transfer Doc	7861-154
Record Updated	Sep 20, 2026

June 2022: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Jun 7, 2022
Property Address	16 CHESTNUT ST, COS COB, CT 06807-1600
Document Number	008117-303
Book / Page	8117 / 303
Instrument Date	Jun 6, 2022
Instrument	5081
Transaction Type	Transfer
Record Updated	Jun 23, 2022

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
Relationship	Joint Tenants

Mortgage

Document Number	0000005082
Date	Jun 7, 2022
Instrument	5082

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	Jul 1, 2032
Max Rate At Change	2.75%
Index	Other

April 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	GREENWICH CT
Recording Date	Apr 5, 2021
Property Address	16 CHESTNUT ST, COS COB, CT 06807-1600
Document Number	007861-154
Book / Page	7861 / 154
Instrument Date	Jun 21, 2020
Instrument	3467
Transaction Type	Transfer
Record Updated	Nov 15, 2022

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	16 CHESTNUT ST, COS COB, CT 06807-1600

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	$9,762.00	$789,880 (+0.4%) Land $468,930 Building $320,950	$552,916 Land $328,251 Building $224,665
2024	$9,762.00 (+6.64%)
2023	$9,154.00 (+1.65%)	$786,730 (+0.73%) Land $468,930 Building $317,800
2022	$9,005.00	$780,990 Land $468,930 Building $312,060

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 250 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	980 / 880

May also be available: Frontier.

Cell Coverage

4G LTE (outdoors only), no 5G reported

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