331 Valley Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 331 Valley Rd, Cos Cob, CT 06807

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,809 sqft · built 1967
Lot Size	0.64 acres (27,878 sqft)
Owner	Individual Name on Record
Last Sale	$1,375,000 (Aug 2023)
Tax Bill	$8,363 (2026)
Deeds & Mortgages	Feb 2021 Mortgage Aug 2023 Sale & Mortgage
Flood Zone	Zone AE (high risk)
APN	`08A-1260S`

Property Details

APN / Parcel Number

Primary APN	`08A-1260S`
Alternative APNs	`GREE M:08A B:1260/S` `402/071`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,809 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1967
Effective Year Built	Effective 1970
Architectural Style	Contemporary
Exterior Material	Wood Siding
Construction Type	Frame
Foundation Type	Raised
Roof Type	Gable
Roof Material	Asphalt
Lot Area	27,878 sqft (0.64 acres)
Garage Type	Detached
Parking Spaces	1 Parking Space
Deck Area	Deck Area

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	402/071
Street Address	331 VALLEY RD
City	COS COB
State	CT
Zip	06807-1814
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-12
Legal Block	1260/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	3
Census Block	3004
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	Individual Name on Record
Mailing Address	331 VALLEY RD, COS COB, CT 06807-1814
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Feb 16, 2021	Deed of Trust, Mortgage · Balloon Mortgage CITIZENS BANK
Aug 3, 2023	Warranty Deed, Transfer · Stand-Alone First Mortgage CITIBANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 3, 2023 · Amount on Record
Deed Sale	Aug 3, 2023 · Amount on Record
Prior Sale	Sep 29, 1992 · Amount on Record
Deed Document Number	20234623
Deed Book / Page	8246 / 140
Transfer Doc	7021-25
Record Updated	Oct 29, 2026

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	331 VALLEY RD, COS COB, CT 06807-1814
Transaction Type	Mortgage
Record Updated	Nov 20, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name
Investor	Possibly a Property Investor

Mortgage

Document Number	007827-157
Date	Feb 16, 2021
Book Page	7827/157
Instrument	1563

Lender

Name	CITIZENS BANK
Type	Bank

Agreement

Type	Balloon Mortgage
Amount	Amount Recorded
Term	289 Months
Due	Mar 1, 2045

August 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Aug 3, 2023
Property Address	331 VALLEY RD, COS COB, CT 06807-1814
Document Number	008246-140
Book / Page	8246 / 140
Instrument Date	Aug 3, 2023
Instrument	4623
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	331 VALLEY RD, COS COB, CT 06807-1814

Mortgage

Document Number	0000004624
Date	Aug 3, 2023
Instrument	4624

Lender

Name	CITIBANK 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	$8,363.00 (-2.26%)	$797,650 (+15.22%) Land $582,890 Building $214,760	$1,733,266 (+257.66%)
2025	$8,556.00	$692,300 (+12.55%) Land $478,380 Building $213,920	$484,610 Land $334,866 Building $149,744
2024	$8,556.00 (+19.55%)
2023	$7,157.00 (+0.92%)	$615,090 (-) Land $478,380 Building $136,710
2022	$7,092.00	$615,090 Land $478,380 Building $136,710

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 AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans

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 96% of the US · lower than 94% 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 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.

Cell Coverage

5G (outdoors only) and 4G LTE

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