27 Cognewaugh Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 27 Cognewaugh Rd, Cos Cob, CT 06807

Property Summary

Property Type	Single Family Home
Details	4 bd · 5 ba · 4,916 sqft · built 2007
Lot Size	0.42 acres (18,295 sqft)
Owner	Individual Name on File
Last Sale	$4,000,000 (Jul 2026)
Tax Bill	$23,981 (2026)
Deeds & Mortgages	Jul 2026 Sale & Line of Credit Oct 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`08-1885S`

Property Details

APN / Parcel Number

Primary APN	`08-1885S`
Alternative APNs	`GREE M:08 B:1885/S` `403/098`

Interior

Bedrooms	4 Beds
Full Baths	5 Baths
Half Baths	2 Half Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	4,916 sqft Living Area
Attic	Attic
Attic Area	500 sqft
Basement Area	1,923 sqft
Unfinished Basement	1,923 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2007
Effective Year Built	Effective 2007
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	18,295 sqft (0.42 acres)
Garage Type	Attached
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	403/098
Street Address	27 COGNEWAUGH RD
City	COS COB
State	CT
Zip	06807-1721
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-12
Legal Block	1885/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	3
Census Block	3008
Census Tract	10202

Owner

27 Cognewaugh Rd is owned and occupied by an individual who bought it in July 2026.

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

Owner of Record	Individual Name on File
Mailing Address	27 COGNEWAUGH RD, COS COB, CT 06807-1721
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Individual(s)

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
Jul 16, 2026	Warranty Deed, Transfer · Line of Credit GUILD MORTGAGE COMPANY
Oct 19, 2020	Deed of Trust, Mortgage · Balloon Mortgage BANK OF AMERICA NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 16, 2026 · Amount on File
Deed Sale	Jul 16, 2026 · Amount on File
Prior Sale	Aug 4, 1998 · Amount on File
Deed Document Number	20264475
Deed Book / Page	8591 / 189
Transfer Doc	7082-290
Record Updated	Oct 29, 2026

July 2026: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Jul 16, 2026
Property Address	27 COGNEWAUGH RD, COS COB, CT 06807-1721
Document Number	0000004475
Book / Page	8591 / 189
Instrument Date	Jul 11, 2026
Instrument	20264475
Transaction Type	Transfer
Record Updated	Jul 29, 2026

Transaction

Amount	Amount on Record
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
Address	27 COGNEWAUGH RD, COS COB, CT 06807-1721

Mortgage

Date	Jul 16, 2026

Lender

Name	GUILD MORTGAGE COMPANY

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months

Interest

Rate	6.48%
Max Rate	-1%

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	27 COGNEWAUGH RD, COS COB, CT 06807-1721
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	7758-258
Date	Oct 19, 2020
Book Page	7758/258
Instrument	9283

Lender

Name	BANK OF AMERICA NA
Type	Bank

Agreement

Type	Balloon Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2050

Tax Assessment & Valuation

The 2026 property tax bill for 27 Cognewaugh Rd was $23,981, up 12.3% 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	$23,981.00 (+12.34%)	$2,287,390 (+32.43%) Land $708,470 Building $1,578,920	$3,789,362 (+213.42%)
2025	$21,346.00	$1,727,180 Land $557,480 Building $1,169,700	$1,209,026 Land $390,236 Building $818,790
2024	$21,346.00 (+6.21%)
2023	$20,097.00 (+6.35%)	$1,727,180 (+5.38%) Land $557,480 Building $1,169,700
2022	$18,897.00	$1,638,980 Land $557,480 Building $1,081,500

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

Flood

FEMA maps place 27 Cognewaugh Rd in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective November 28, 2025

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
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 27 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 319 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Frontier Fiber	5,000 / 5,000

May also be available: Verizon.

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