16 Relay Pl, Cos Cob, CT 06807 Property Records

Greenwich Town property record for 16 Relay Pl, Cos Cob, CT 06807

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 1,896 sqft · built 1961
Lot Size	0.37 acres (16,117 sqft)
Owner	2 Trust Names on File
Last Sale	$1,300,000 (May 2014)
Tax Bill	$10,913 (2026)
Deeds & Mortgages	Nov 2025 Mortgage Mar 2025 Transfer + 1 more
Flood Zone	Zone X (moderate risk)
APN	`08A-1021S`

Property Details

APN / Parcel Number

Primary APN	`08A-1021S`
Alternative APNs	`GREE M:08A B:1021/S` `366/222`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,896 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1961
Effective Year Built	Effective 1975
Architectural Style	Ranch
Exterior Material	Wood Siding
Construction Type	Frame
Foundation Type	Raised
Roof Type	Gable
Roof Material	Asphalt
Lot Area	16,117 sqft (0.37 acres)
Garage Type	Attached
Parking Spaces	1 Parking Space
Pool Type	Pool with Hot Tub/Spa

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Account Number	366/222
Street Address	16 RELAY PL
City	COS COB
State	CT
Zip	06807-2715
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-7
Legal Block	1021/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	1
Census Block	1005
Census Tract	10800

Owner

16 Relay Pl is owner-occupied and held in a trust since March 2025.

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

Owner of Record	2 Trust Names on File
Mailing Address	16 RELAY PL, COS COB, CT 06807-2715
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable 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
Nov 12, 2025	Deed of Trust, Mortgage · Conventional Mortgage GUARDHILL FNCL LLC
Mar 19, 2025	Quit Claim Deed, Transfer Quitclaim
Nov 16, 2023	Deed of Trust, Mortgage · Stand-Alone Refinance GUARDHILL FINANCIAL CORP

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 8, 2014 · Amount on File
Deed Sale	May 8, 2014 · Amount on File
Prior Sale	Jul 2, 2002 · Amount on File
Deed Book / Page	6735 / 246
Last Transfer Date	Mar 10, 2025
Transfer Doc	0008416-41
Record Updated	Oct 29, 2026

November 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	16 RELAY PL, COS COB, CT 06807-2715
Transaction Type	Mortgage
Record Updated	Nov 26, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	008499-296
Date	Nov 12, 2025
Book Page	8499/296
Instrument	6668

Lender

Name	GUARDHILL FNCL LLC

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2055

March 2025: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	GREENWICH CT
Recording Date	Mar 19, 2025
Property Address	16 RELAY PL, COS COB, CT 06807-2715
Document Number	0008416-41
Book / Page	8416 / 41
Instrument Date	Mar 10, 2025
Instrument	1297
Transaction Type	Transfer
Record Updated	Mar 27, 2025

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	16 RELAY PL, COS COB, CT 06807-2715

November 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	GREENWICH CT
Property Address	16 RELAY PL, COS COB, CT 06807-2715
Transaction Type	Mortgage
Record Updated	Nov 30, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	008277-162
Date	Nov 16, 2023
Book Page	8277/162
Instrument	7098

Lender

Name	GUARDHILL FINANCIAL CORP

Agreement

Type	Stand-Alone Refinance
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2053

Tax Assessment & Valuation

The 2026 property tax bill for 16 Relay Pl was $10,913, down 0.4% 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	$10,913.00 (-0.4%)	$1,040,900 (+17.41%) Land $673,890 Building $367,010	$1,905,479 (+207.05%)
2025	$10,957.00 (+0.01%)	$886,550 Land $539,140 Building $347,410	$620,585 Land $377,398 Building $243,187
2024	$10,956.00 (+6.2%)
2023	$10,316.00 (+0.92%)	$886,550 (-) Land $539,140 Building $347,410
2022	$10,222.00	$886,550 Land $539,140 Building $347,410

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

Flood

FEMA maps place 16 Relay Pl in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.

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

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it

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

Wildfire

The area around 16 Relay Pl 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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