36 Cognewaugh Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 36 Cognewaugh Rd, Cos Cob, CT 06807

Property Summary

Property Type	Single Family Home
Details	6 bd · 7.5 ba · 3,173 sqft · built 1961
Lot Size	0.31 acres (13,504 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,850,000 (Jul 2023)
Tax Bill	$21,725 (2026)
Deeds & Mortgages	Jul 2023 Sale Apr 2023 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`08-3835S`

Property Details

APN / Parcel Number

Primary APN	`08-3835S`
Alternative APNs	`GREE M:08 B:3835/S` `403/091`

Interior

Bedrooms	6 Beds
Full Baths	7.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	1 Story
Building Area	3,173 sqft Living Area
Basement Area	2,254 sqft
Unfinished Basement	2,254 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1961
Effective Year Built	Effective 1961
Architectural Style	Split Level
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	13,504 sqft (0.31 acres)
Garage Type	Basement
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	403/091
Street Address	36 COGNEWAUGH RD
City	COS COB
State	CT
Zip	06807-1716
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-12
Legal Block	3835/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	2
Census Block	2001
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	36 COGNEWAUGH RD, COS COB, CT 06807-1716
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jul 24, 2023	Warranty Deed, Transfer
Apr 19, 2023	Quit Claim Deed, Transfer Quitclaim
Mar 30, 2022	Deed of Trust, Mortgage · Stand-Alone Refinance FIRST COUNTY BANK
May 24, 2021	Executor's Deed, Transfer · Stand-Alone First Mortgage FIRST COUNTY BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 24, 2023 · Amount on Record
Deed Sale	Jul 24, 2023 · Amount on Record
Prior Sale	May 24, 2021 · Amount on Record
Deed Document Number	20234379
Deed Book / Page	8243 / 50
Prior Transfer Date	Apr 19, 2023
Prior Transfer Doc	008212-301
Record Updated	Oct 29, 2026

July 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Jul 24, 2023
Property Address	36 COGNEWAUGH RD, COS COB, CT 06807-1716
Document Number	0008243-50
Book / Page	8243 / 50
Instrument Date	Jul 24, 2023
Instrument	4379
Transaction Type	Transfer
Record Updated	Aug 10, 2023

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
Relationship	Joint Tenants
Address	36 COGNEWAUGH RD, COS COB, CT 06807-1716

April 2023: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	GREENWICH CT
Recording Date	Apr 19, 2023
Property Address	36 COGNEWAUGH RD, COS COB, CT 06807-1716
Document Number	008212-301
Book / Page	8212 / 301
Instrument Date	Apr 19, 2023
Instrument	2037
Transaction Type	Transfer
Record Updated	May 4, 2023

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
Relationship	Joint Tenants
Address	36 CONGEWAUGH RD, GREENWICH, CT

March 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	36 COGNEWAUGH RD, COS COB, CT 06807-1716
Transaction Type	Mortgage
Record Updated	Apr 14, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0008083-91
Date	Mar 30, 2022
Book Page	8083/91
Instrument	2943

Lender

Name	FIRST COUNTY BANK
Type	Bank

Agreement

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

May 2021: Executor's Deed, Transfer

Document Type	Executor's Deed
Jurisdiction	GREENWICH CT
Recording Date	May 24, 2021
Property Address	36 COGNEWAUGH RD, COS COB, CT 06807-1716
Document Number	7895-24
Book / Page	7895 / 24
Instrument Date	May 21, 2021
Instrument	5488
Transaction Type	Transfer
Record Updated	Jun 10, 2021

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

Mortgage

Document Number	5489
Date	May 24, 2021
Instrument	5489

Lender

Name	FIRST COUNTY BANK
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Rate	2.88%
Type Change Date	Jun 1, 2026
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
2026	$21,725.00 (+11.54%)	$2,072,210 (+31.49%) Land $642,600 Building $1,429,610	$2,706,845 (+145.38%)
2025	$19,477.00	$1,575,910 (+7.67%) Land $491,680 Building $1,084,230	$1,103,137 Land $344,176 Building $758,961
2024	$19,477.00 (+14.36%)
2023	$17,032.00 (+130.97%)	$1,463,700 (+128.85%) Land $491,680 Building $972,020
2022	$7,374.00	$639,590 Land $491,680 Building $147,910

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

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 94% of the US · lower than 89% of Connecticut
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

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 99 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Verizon Fiber	980 / 880

Cell Coverage

5G and 4G LTE (outdoors only)

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