9 River Rd, Unit 402, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 9 River Rd, Unit 402, Cos Cob, CT 06807

Property Summary

Property Type	Condominium
Details	2 bd · 2 ba · 1,181 sqft · built 1979
Lot Size	2.75 acres (120,022 sqft)
Owner	2 Trust Names on File
Last Sale	$400,000 (Nov 2000)
Tax Bill	$4,353 (2025)
Deeds & Mortgages	May 2017 Line of Credit Jun 2017 Transfer
Flood Zone	Zone AE (high risk)
APN	`08A-1666S`

Property Details

APN / Parcel Number

Primary APN	`08A-1666S`
Alternative APNs	`GREE M:08A B:1666/S` `367/D02`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	4 Rooms
Units	20 Units
Stories	3 Stories
Building Area	1,181 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1979
Effective Year Built	Effective 1985
Architectural Style	Other
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	120,022 sqft
Deck Area	Deck Area

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Account Number	367/D02
Street Address	9 RIVER RD, 402
City	COS COB
State	CT
Zip	06807-2722
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	WB
Legal Subdivision	PALMER POINT
Legal Block	1666/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	1
Census Block	1011
Census Tract	10800

Owner

9 River Rd, Unit 402 is owner-occupied and held in a trust since November 2000.

Source: Greenwich Town records, as of October 20, 2026

Owner of Record	2 Trust Names on File
Mailing Address	9 RIVER RD, 402, COS COB, CT 06807-2722
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Trust

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
May 31, 2017	Deed of Trust, Mortgage · Line of Credit WEBSTER BANK
Jun 5, 2017	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 13, 2000 · Amount on File
Deed Sale	Nov 13, 2000 · Amount on File
Deed Book / Page	3489 / 243
Record Updated	Oct 29, 2026

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	9 RIVER RD UNIT 402, 402, COS COB, CT 06807-2722
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	7250-61
Date	May 31, 2017
Book Page	7250/61

Lender

Name	WEBSTER BANK
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	May 1, 2047

June 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	GREENWICH CT
Recording Date	Jun 5, 2017
Property Address	9 RIVER RD UNIT 402, 402, COS COB, CT 06807-2722
Document Number	7252-30
Book / Page	007252 / 000030
Transaction Type	Transfer
Record Updated	Jun 27, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	9 RIVER RD #402 COS COB CT 068072722, 402, COS COB, CT 06807-2722

Tax Assessment & Valuation

The 2025 property tax bill for 9 River Rd, Unit 402 was $4,353.

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	$4,353.00	$352,240 Building $352,240	$246,568 Building $246,568
2024	$4,353.00 (+6.2%)
2023	$4,099.00 (+0.94%)	$352,240 (-) Building $352,240
2022	$4,061.00	$352,240 Building $352,240

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

Flood

FEMA maps place 9 River Rd, Unit 402 in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

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	13.0 ft
Flood Insurance Requirement	Required federally backed loans

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

Wildfire

The area around 9 River Rd, Unit 402 has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within 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 288 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, T-Mobile.

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