21 Arnold St, Old Greenwich, CT 06870 Property Records

Greenwich Town property record for 21 Arnold St, Old Greenwich, CT 06870

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 961 sqft · built 1948
Lot Size	0.17 acres (7,405 sqft)
Owner	2 Trust Names on Record
Tax Bill	$6,724 (2026)
Deeds & Mortgages	Dec 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`12-1216S`

Property Details

APN / Parcel Number

Primary APN	`12-1216S`
Alternative APNs	`GREE M:12 B:1216/S` `421/083`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	4 Rooms
Stories	1 Story
Building Area	961 sqft Living Area

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1965
Architectural Style	Ranch
Exterior Material	Brick
Construction Type	Brick
Foundation Type	Raised
Roof Type	Gable
Roof Material	Asphalt
Lot Area	7,405 sqft (0.17 acres)
Garage Type	Attached
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas

Location & Zoning

Account Number	421/083
Street Address	21 ARNOLD ST
City	OLD GREENWICH
State	CT
Zip	06870-1231
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-7
Legal Block	1216/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	1
Census Block	1008
Census Tract	10900

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Trust Names on Record
Mailing Address	22 SCHOOL HOUSE RD, MYSTIC, CT 06355-3252
Owner Type	Individual
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Nov 6, 2023
Transfer Doc	0008284-82
Record Updated	Oct 29, 2026

December 2023: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	GREENWICH CT
Recording Date	Dec 11, 2023
Property Address	21 ARNOLD ST, OLD GREENWICH, CT 06870-1231
Document Number	0008284-82
Book / Page	8284 / 82
Instrument Date	Nov 6, 2023
Instrument	7583
Transaction Type	Transfer
Record Updated	Dec 28, 2023

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

Tax Assessment & Valuation

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	$6,724.00 (+4.69%)	$641,340 (+23.41%) Land $569,590 Building $71,750	$1,105,976 (+204.03%)
2025	$6,423.00	$519,680 (-) Land $455,770 Building $63,910	$363,776 Land $319,039 Building $44,737
2024	$6,423.00 (+6.22%)
2023	$6,047.00 (+0.92%)	$519,680 (-) Land $455,770 Building $63,910
2022	$5,992.00	$519,680 Land $455,770 Building $63,910

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

Flood

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

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

Wildfire Risk	Low lower than 99.1% of the US · lower than 99% of Connecticut
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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 480 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Frontier Fiber	7,000 / 7,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20