172 Valley Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 172 Valley Rd, Cos Cob, CT 06807

Property Summary

Property Type	Single Family Home
Details	5 bd · 2.5 ba · 3,126 sqft · built 1916
Lot Size	0.66 acres (28,750 sqft)
Owner	Company Name on Record
Last Sale	$1,300,000 (Jan 2022)
Tax Bill	$11,558 (2025)
Deeds & Mortgages	Jan 2022 Sale & Mortgage Nov 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`08-3385S`

Property Details

APN / Parcel Number

Primary APN	`08-3385S`
Alternative APNs	`GREE M:08 B:3385/S` `384/017`

Interior

Bedrooms	5 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,126 sqft Living Area
Attic	Attic
Attic Area	440 sqft
Basement Area	1,363 sqft
Unfinished Basement	1,363 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1916
Effective Year Built	Effective 1965
Architectural Style	Conventional
Exterior Material	Stone
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	28,750 sqft (0.66 acres)
Garage Type	Basement
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Steam

Location & Zoning

Account Number	384/017
Street Address	172 VALLEY RD
City	COS COB
State	CT
Zip	06807-2231
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-12
Legal Block	3385/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	2
Census Block	2006
Census Tract	10202

Owner

Source: Greenwich Town records, as of June 25, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	255 GLENVILLE RD, GREENWICH, CT 06831-4173
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Jan 3, 2022	Warranty Deed, Transfer · Stand-Alone First Mortgage PNC BANK NA
Nov 4, 2020	Deed of Trust, Mortgage · Balloon Mortgage M & T BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 3, 2022 · Amount on Record
Deed Sale	Jan 3, 2022 · Amount on Record
Prior Sale	Mar 1, 2012 · Amount on Record
Deed Document Number	202231
Deed Book / Page	8038 / 41
Record Updated	Sep 20, 2026

January 2022: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Jan 3, 2022
Property Address	172 VALLEY RD, COS COB, CT 06807-2231
Document Number	0008038-41
Book / Page	8038 / 41
Instrument Date	Dec 31, 2021
Instrument	31
Transaction Type	Transfer
Record Updated	Nov 20, 2025

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
Address	255 GREENVILLE RD, GREENWICH, CT

Mortgage

Document Number	0000000032
Date	Jan 3, 2022
Instrument	32

Lender

Name	PNC BANK NA
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	172 VALLEY RD, COS COB, CT 06807-2231
Transaction Type	Mortgage
Record Updated	Mar 3, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	7769-185
Date	Nov 4, 2020
Book Page	7769/185
Instrument	9928

Lender

Name	M & T BANK
Type	Bank

Agreement

Type	Balloon Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2050

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
2025	$11,558.00	$935,200 (-) Land $614,250 Building $320,950	$654,640 Land $429,975 Building $224,665
2024	$11,558.00 (+6.21%)
2023	$10,882.00 (+4.55%)	$935,200 (+3.6%) Land $614,250 Building $320,950
2022	$10,408.00	$902,720 Land $614,250 Building $288,470

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
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

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 236 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

May also be available: Frontier.

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