545 Cognewaugh Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 545 Cognewaugh Rd, Cos Cob, CT 06807

Property Summary

Property Type	Single Family Home
Details	5 bd · 4.5 ba · 3,999 sqft · built 1885
Lot Size	1.32 acres (57,499 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,070,000 (Mar 2021)
Tax Bill	$18,535 (2026)
Deeds & Mortgages	Nov 2024 Refinance Mar 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`08-3427`

Property Details

APN / Parcel Number

Primary APN	`08-3427`
Alternative APNs	`GREE M:08 B:3427` `355/050`

Interior

Bedrooms	5 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	3,999 sqft Living Area
Attic	Attic
Attic Area	364 sqft
Basement Area	676 sqft
Unfinished Basement	676 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1885
Effective Year Built	Effective 1979
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	57,499 sqft (1.32 acres)
Garage Type	Detached
Parking Spaces	1 Parking Space
Deck Area	Deck Area

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	355/050
Street Address	545 COGNEWAUGH RD
City	COS COB
State	CT
Zip	06807-1112
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RA-2
Legal Block	3427
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	1
Census Block	1003
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	545 COGNEWAUGH RD, COS COB, CT 06807-1112
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Nov 13, 2024	Deed of Trust, Mortgage · Stand-Alone Refinance BANK OF AMERICA NA
Mar 19, 2021	Warranty Deed, Transfer · Stand-Alone First Mortgage US BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 19, 2021 · Amount on Record
Deed Sale	Mar 19, 2021 · Amount on Record
Prior Sale	Oct 24, 2007 · Amount on Record
Deed Document Number	20212782
Deed Book / Page	7848 / 250
Record Updated	Oct 29, 2026

November 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	545 COGNEWAUGH RD, COS COB, CT 06807-1112
Transaction Type	Mortgage
Record Updated	Nov 27, 2024

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0008382-85
Date	Nov 13, 2024
Book Page	8382/85
Instrument	6400

Lender

Name	BANK OF AMERICA NA
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2054

March 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Mar 19, 2021
Property Address	545 COGNEWAUGH RD, COS COB, CT 06807-1112
Document Number	7848-250
Book / Page	7848 / 250
Instrument Date	Mar 17, 2021
Instrument	2782
Transaction Type	Transfer
Record Updated	May 21, 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
Relationship	Joint Tenants

Mortgage

Document Number	2783
Date	Mar 19, 2021
Instrument	2783

Lender

Name	US BANK NA
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	$18,535.00 (+9.34%)	$1,830,640 (+30.03%) Land $732,760 Building $1,097,880	$2,989,489 (+203.34%)
2025	$16,951.00	$1,407,910 (-) Land $553,140 Building $854,770	$985,537 Land $387,198 Building $598,339
2024	$16,951.00 (+5.71%)
2023	$16,036.00 (+0.98%)	$1,407,910 (-) Land $553,140 Building $854,770
2022	$15,881.00	$1,407,910 Land $553,140 Building $854,770

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	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.

Internet Providers

Source: FCC Broadband Data Collection, based on 68 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

4G LTE only, no 5G reported

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