35 Frontier Rd, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 35 Frontier Rd, Cos Cob, CT 06807

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,880 sqft · built 1971
Lot Size	1 acres (43,560 sqft)
Owner	2 Individual Names on File
Last Sale	$688,000 (Dec 1987)
Tax Bill	$11,740 (2026)
Deeds & Mortgages	Sep 2022 Refinance Jun 2019 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`08-3581`

Property Details

APN / Parcel Number

Primary APN	`08-3581`
Alternative APNs	`GREE M:08 B:3581` `357/040`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,880 sqft Living Area
Basement Area	1,272 sqft
Unfinished Basement	1,272 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1971
Effective Year Built	Effective 1975
Architectural Style	Colonial
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	43,560 sqft (1 acres)
Garage Type	Basement
Parking Spaces	2 Parking Spaces
Deck Area	Deck Area

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Account Number	357/040
Street Address	35 FRONTIER RD
City	COS COB
State	CT
Zip	06807-1208
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RA-2
Legal Block	3581
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	1
Census Block	1005
Census Tract	10202

Owner

35 Frontier Rd is owned and occupied by two individuals who bought it in December 1987.

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	35 FRONTIER RD, COS COB, CT 06807-1208
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Sep 30, 2022	Deed of Trust, Mortgage · Stand-Alone Refinance KEY BANK NA
Jun 25, 2019	Deed of Trust, Mortgage · Balloon Mortgage JPMORGAN CHASE BANK NA
Jun 24, 2020	Deed of Trust, Mortgage · ARM KEY BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 10, 1987 · Amount on File
Deed Sale	Dec 10, 1987 · Amount on File
Record Updated	Oct 29, 2026

September 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	35 FRONTIER RD, COS COB, CT 06807-1208
Transaction Type	Mortgage
Record Updated	Oct 13, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0008161-42
Date	Sep 30, 2022
Book Page	8161/42
Instrument	8586

Lender

Name	KEY BANK NA
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	301 Months
Due	Oct 1, 2047

June 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	35 FRONTIER RD, COS COB, CT 06807-1208
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	7523-8
Date	Jun 25, 2019
Book Page	7523/8
Instrument	4108

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank

Agreement

Type	Balloon Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2049

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	35 FRONTIER RD, COS COB, CT 06807-1208
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	7688-43
Date	Jun 24, 2020
Book Page	7688/43
Instrument	4858

Lender

Name	KEY BANK NA
Type	Bank

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	2.75%
Type Change Date	Jul 1, 2025
Index	Other

Tax Assessment & Valuation

The 2026 property tax bill for 35 Frontier Rd was $11,740, up 1% 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	$11,740.00 (+10.05%)	$1,159,480 (+30.86%) Land $630,630 Building $528,850	$2,268,110 (+265.68%)
2025	$10,668.00	$886,060 Land $471,240 Building $414,820	$620,242 Land $329,868 Building $290,374
2024	$10,668.00 (+5.71%)
2023	$10,092.00 (+0.97%)	$886,060 (-) Land $471,240 Building $414,820
2022	$9,995.00	$886,060 Land $471,240 Building $414,820

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

Flood

FEMA maps place 35 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 35 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 94% of the US · lower than 89% 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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