55 Frontier Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 55 Frontier Rd, Cos Cob, CT 06807

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,554 sqft · built 1964
Lot Size	1.44 acres (62,726 sqft)
Owner	2 Individual Names on File
Last Sale	$1,736,800 (Mar 2023)
Tax Bill	$11,351 (2026)
Deeds & Mortgages	Mar 2023 Sale Jan 2022 Refinance
Flood Zone	Zone X (minimal risk)
APN	`08-3583`

Property Details

APN / Parcel Number

Primary APN	`08-3583`
Alternative APNs	`GREE M:08 B:3583` `357/035`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,554 sqft Living Area
Basement Area	1,102 sqft
Unfinished Basement	1,102 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1975
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	62,726 sqft (1.44 acres)
Garage Type	Attached
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Account Number	357/035
Street Address	55 FRONTIER RD
City	COS COB
State	CT
Zip	06807-1209
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RA-2
Legal Block	3583
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	1
Census Block	1007
Census Tract	10202

Owner

55 Frontier Rd is owned by two individuals who bought it in March 2023.

Source: Greenwich Town records, as of October 21, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on File
Mailing Address	18 AUTUMN RIDGE RD, SOUTH SALEM, NY 10590-1102
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Mar 13, 2023	Warranty Deed, Transfer
Jan 14, 2022	Deed of Trust, Mortgage · Stand-Alone Refinance PEOPLES UNITED BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 13, 2023 · Amount on File
Deed Sale	Mar 13, 2023 · Amount on File
Deed Document Number	20231287
Deed Book / Page	8201 / 239
Record Updated	Oct 29, 2026

March 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Mar 13, 2023
Property Address	55 FRONTIER RD, COS COB, CT 06807-1209
Document Number	008201-239
Book / Page	8201 / 239
Instrument Date	Mar 8, 2023
Instrument	1287
Transaction Type	Transfer
Record Updated	Apr 6, 2023

Transaction

Amount	Amount 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
Relationship	Joint Tenants
Address	18 AUTUMN RDG, NEW YORK, NY 10001

January 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	55 FRONTIER RD, COS COB, CT 06807-1209
Transaction Type	Mortgage
Record Updated	Jan 27, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	008044-254
Date	Jan 14, 2022
Book Page	8044/254
Instrument	437

Lender

Name	PEOPLES UNITED BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	349 Months
Due	Feb 1, 2051

Tax Assessment & Valuation

The 2026 property tax bill for 55 Frontier Rd was $11,351, up 10.9% from the year before.

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	$11,351.00 (+10.89%)	$1,121,050 (+31.86%) Land $744,730 Building $376,320	$1,959,195 (+229.22%)
2025	$10,236.00	$850,150 Land $564,270 Building $285,880	$595,105 Land $394,989 Building $200,116
2023	$9,651.00 (+0.97%)	$847,350 (-) Land $564,270 Building $283,080
2022	$9,558.00	$847,350 Land $564,270 Building $283,080

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

FEMA maps place 55 Frontier Rd in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective November 28, 2025

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

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

Wildfire

Wildfire risk around 55 Frontier Rd is low, with less than a 0.01% annual chance of 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 101 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

Cell Coverage

4G LTE (outdoors only), no 5G reported

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