159 Valley Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 159 Valley Rd, Cos Cob, CT 06807

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 2,464 sqft · built 1929
Lot Size	1.52 acres (66,211 sqft)
Owner	Company Name on File
Tax Bill	$16,422 (2025)
Flood Zone	Zone X (minimal risk)
APN	`08-1592S`

Property Details

APN / Parcel Number

Primary APN	`08-1592S`
Alternative APNs	`GREE M:08 B:1592/S` `385/012`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	2,464 sqft Living Area
Basement Area	1,574 sqft
Unfinished Basement	1,574 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1929
Effective Year Built	Effective 1960
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	66,211 sqft (1.52 acres)
Garage Type	Attached
Parking Spaces	2 Parking Spaces
Pool Type	In-Ground Pool

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	385/012
Street Address	159 VALLEY RD
City	COS COB
State	CT
Zip	06807-2228
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-12
Legal Block	1592/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	2
Census Block	2002
Census Tract	10202

Owner

Source: Greenwich Town records · APN 08-1592S

Assessment roll updated June 25, 2026 · Last verified July 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 File
Mailing Address	159 VALLEY RD, COS COB, CT 06807-2228
Owner Type	Company
Vesting	Estate

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Greenwich Town records · Assessment roll updated June 25, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	Connecticut
County Subdivision	Greenwich Town
Unified School District	Greenwich School District (PK - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$16,422.00	$1,328,740 (-) Land $938,140 Building $390,600	$930,118 Land $656,698 Building $273,420
2024	$16,422.00 (+6.22%)
2023	$15,461.00 (+0.92%)	$1,328,740 (-) Land $938,140 Building $390,600
2022	$15,320.00	$1,328,740 Land $938,140 Building $390,600

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of November 28, 2025 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Low lower than 96% of the US · lower than 94% of Connecticut
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Optimum Communications Fiber · Cable	8,000 / 8,000
Verizon Fiber	980 / 880

May also be available: Frontier.

Based on FCC filings for 236 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	AQUARION-EASTERN FAIRFIELD COUNTY private · serves 351,756 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.