89 Cognewaugh Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 89 Cognewaugh Rd, Cos Cob, CT 06807

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,928 sqft · built 1980
Lot Size	0.73 acres (31,799 sqft)
Owner	2 Individual Names on File
Last Sale	$1,350,000 (Dec 2017)
Tax Bill	$13,314 (2026)
Deeds & Mortgages	Feb 2020 Refinance Dec 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`08A-1507S`

Property Details

APN / Parcel Number

Primary APN	`08A-1507S`
Alternative APNs	`GREE M:08A B:1507/S` `402/134`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,928 sqft Living Area
Basement Area	1,329 sqft
Unfinished Basement	1,329 sqft

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1980
Architectural Style	Contemporary
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	31,799 sqft (0.73 acres)
Garage Type	Basement
Parking Spaces	2 Parking Spaces
Deck Area	Deck Area

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	402/134
Street Address	89 COGNEWAUGH RD
City	COS COB
State	CT
Zip	06807-1712
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-12
Legal Block	1507/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	3
Census Block	3007
Census Tract	10202

Owner

89 Cognewaugh Rd is owned and occupied by two individuals who bought it in December 2017.

Source: Greenwich Town records, as of October 21, 2026

Owner of Record	2 Individual Names on File
Mailing Address	89 COGNEWAUGH RD, COS COB, CT 06807-1712
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Feb 20, 2020	Deed of Trust, Mortgage · Stand-Alone Refinance CITIBANK NA
Dec 26, 2017	Warranty Deed, Transfer GUARANTEED RATE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 26, 2017 · Amount on File
Deed Sale	Dec 26, 2017 · Amount on File
Prior Sale	Apr 23, 2008 · Amount on File
Deed Book / Page	7334 / 248
Record Updated	Oct 29, 2026

February 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	89 COGNEWAUGH RD, COS COB, CT 06807-1712
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	7629-173
Date	Feb 20, 2020
Book Page	7629/173
Instrument	1480

Lender

Name	CITIBANK NA
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2050

December 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Dec 26, 2017
Property Address	89 COGNEWAUGH RD, COS COB, CT 06807-1712
Document Number	7334-248
Book / Page	007334 / 000248
Transaction Type	Transfer
Record Updated	Jan 23, 2018

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	89 COGNEWAUGH RD COS COB CT 068071712, COS COB, CT 06807-1712

Mortgage

Document Number	7334-254
Date	Dec 26, 2017
Book Page	007334/000254

Lender

Name	GUARANTEED RATE

Agreement

Amount	Amount on Record
Term	360 Months
Due	Dec 25, 2047

Tax Assessment & Valuation

The 2026 property tax bill for 89 Cognewaugh Rd was $13,314, down 3.5% from the year before.

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	$13,314.00 (-3.53%)	$1,269,940 (+13.73%) Land $857,010 Building $412,930	$2,461,904 (+214.96%)
2025	$13,801.00	$1,116,640 Land $712,880 Building $403,760	$781,648 Land $499,016 Building $282,632
2024	$13,801.00 (+6.22%)
2023	$12,993.00 (+0.92%)	$1,116,640 (-) Land $712,880 Building $403,760
2022	$12,875.00	$1,116,640 Land $712,880 Building $403,760

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 89 Cognewaugh Rd in Zone X, an area of minimal flood risk.

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

Wildfire risk around 89 Cognewaugh Rd is low, with less than a 0.01% annual chance of 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

5G and 4G LTE (outdoors only)

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