9 River Rd, Unit 413, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 9 River Rd, Unit 413, Cos Cob, CT 06807

Property Summary

Property Type	Condominium
Details	1 bd · 1 ba · 1,021 sqft · built 1979
Lot Size	2.75 acres (120,022 sqft)
Owner	Individual Name on File
Last Sale	$439,000 (Nov 2022)
Tax Bill	$3,653 (2025)
Deeds & Mortgages	May 2026 Line of Credit Nov 2022 Sale & Mortgage + 1 more
Flood Zone	Zone AE (high risk)
APN	`08A-1677S`

Property Details

APN / Parcel Number

Primary APN	`08A-1677S`
Alternative APNs	`GREE M:08A B:1677/S` `367/D13`

Interior

Bedrooms	1 Bed
Full Baths	1 Bath
Total Rooms	4 Rooms
Units	20 Units
Stories	2 Stories
Building Area	1,021 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

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Account Number	367/D13
Street Address	9 RIVER RD, 413
City	COS COB
State	CT
Zip	06807-2747
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	WB
Legal Subdivision	PALMER POINT
Legal Block	1677/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	1
Census Block	1011
Census Tract	10800

Owner

9 River Rd, Unit 413 is owned and occupied by an individual who bought it in November 2022.

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

Owner of Record	Individual Name on File
Mailing Address	9 RIVER RD, 413, COS COB, CT 06807-2747
Occupancy	Owner Occupied
Owner Type	Individual

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 12, 2026	Deed of Trust, Mortgage · Line of Credit
Nov 1, 2022	Warranty Deed, Transfer · Stand-Alone First Mortgage SAVINGS BANK OF DANBURY
Jun 21, 2022	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 1, 2022 · Amount on File
Deed Sale	Nov 1, 2022 · Amount on File
Prior Sale	Jul 29, 1996 · Amount on File
Deed Document Number	20229212
Deed Book / Page	8169 / 48
Prior Transfer Date	Jun 15, 2022
Prior Transfer Doc	008124-148
Record Updated	Oct 29, 2026

May 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Recording Date	May 12, 2026
Property Address	9 RIVER RD, 413, COS COB, CT 06807-2747
Document Number	0000000016
Book / Page	8563 / 99
Instrument Date	Apr 28, 2026
Instrument	202616
Transaction Type	Mortgage
Record Updated	Jul 12, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	9 RIVER RD, 413, COS COB, CT 06807-2747
Investor	Possibly a Property Investor

Mortgage

Document Number	0008563-99,
Date	May 12, 2026
Book Page	8563/99
Instrument	202616

Lender

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate	6.46%
Max Rate	-1%

November 2022: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Nov 1, 2022
Property Address	9 RIVER RD UNIT 413, 413, COS COB, CT 06807-2747
Document Number	0008169-48
Book / Page	8169 / 48
Instrument Date	Oct 27, 2022
Instrument	9212
Transaction Type	Transfer
Record Updated	Nov 20, 2025

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	515 WEST AVE, NORWALK, CT 06850-4054

Mortgage

Document Number	0000009213
Date	Nov 1, 2022
Instrument	9213

Lender

Name	SAVINGS BANK OF DANBURY
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

June 2022: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	GREENWICH CT
Recording Date	Jun 21, 2022
Property Address	9 RIVER RD UNIT 413, 413, COS COB, CT 06807-2747
Document Number	008124-148
Book / Page	8124 / 148
Instrument Date	Jun 15, 2022
Instrument	5925
Transaction Type	Transfer
Record Updated	Nov 15, 2022

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	364 WESTWOOD RD, STAMFORD, CT 06902-1423

Tax Assessment & Valuation

The 2025 property tax bill for 9 River Rd, Unit 413 was $3,653.

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	$3,653.00	$295,540 Building $295,540	$206,878 Building $206,878
2024	$3,653.00 (+6.22%)
2023	$3,439.00 (+0.91%)	$295,540 (-) Building $295,540
2022	$3,408.00	$295,540 Building $295,540

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 413 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 413 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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