33 Benenson Dr, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 33 Benenson Dr, Cos Cob, CT 06807

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 3,675 sqft · built 1966
Lot Size	2 acres (87,120 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,600,000 (Nov 2021)
Tax Bill	$15,083 (2026)
Deeds & Mortgages	Aug 2022 Refinance Apr 2022 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`08A-1213`

Property Details

APN / Parcel Number

Primary APN	`08A-1213`
Alternative APNs	`GREE M:08A B:1213` `399/009`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	3,675 sqft Living Area
Basement Area	1,825 sqft
Unfinished Basement	1,825 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1966
Effective Year Built	Effective 1966
Architectural Style	Colonial
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	87,120 sqft (2 acres)
Garage Type	Basement
Parking Spaces	2 Parking Spaces
Pool Type	Pool with Hot Tub/Spa
Deck Area	Deck Area

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	399/009
Street Address	33 BENENSON DR
City	COS COB
State	CT
Zip	06807-1408
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RA-2
Legal Block	1213
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	1
Census Block	1002
Census Tract	10202

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	33 BENENSON DR, COS COB, CT 06807-1408
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Aug 4, 2022	Deed of Trust, Mortgage · Stand-Alone Refinance BANK OF AMERICA NA
Apr 4, 2022	Warranty Deed, Transfer
Nov 30, 2021	Warranty Deed, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 30, 2021 · Amount on Record
Deed Sale	Nov 30, 2021 · Amount on Record
Deed Document Number	202113252
Deed Book / Page	8018 / 167
Record Updated	Oct 29, 2026

August 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	33 BENENSON DR, COS COB, CT 06807-1408
Transaction Type	Mortgage
Record Updated	Aug 18, 2022
Title Company	TITLE365

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	008142-261
Date	Aug 4, 2022
Book Page	8142/261
Instrument	7208

Lender

Name	BANK OF AMERICA NA
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2052

April 2022: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Apr 4, 2022
Property Address	33 BENENSON DR, COS COB, CT 06807-1408
Document Number	008085-324
Book / Page	8085 / 324
Instrument Date	Mar 24, 2022
Instrument	3104
Transaction Type	Transfer
Record Updated	Apr 21, 2022

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants

November 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Nov 30, 2021
Property Address	33 BENENSON DR, COS COB, CT 06807-1408
Document Number	008018-167
Book / Page	8018 / 167
Instrument Date	Nov 21, 2021
Instrument	13252
Transaction Type	Transfer
Record Updated	Dec 16, 2021

Transaction

Amount	Amount Recorded
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	33 BENENSON DR, COS COB, CT 06807-1408

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	$15,083.00 (+14.73%)	$1,489,670 (+36.43%) Land $800,800 Building $688,870	$2,472,366 (+223.46%)
2025	$13,147.00	$1,091,930 (+2.4%) Land $616,000 Building $475,930	$764,351 Land $431,200 Building $333,151
2024	$13,147.00 (+8.24%)
2023	$12,146.00 (+0.97%)	$1,066,380 (-) Land $616,000 Building $450,380
2022	$12,029.00	$1,066,380 Land $616,000 Building $450,380

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 93% of the US · lower than 86% 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 115 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Verizon Fiber	2,300 / 2,300

May also be available: Frontier.

Cell Coverage

5G and 4G LTE (outdoors only)

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