21 Circle Rd, Darien, CT 06820 Property Records

Darien Town property record for 21 Circle Rd, Darien, CT 06820

Property Summary

Property TypeSingle Family Home
Details5 bd · 4 ba · 4,752 sqft · built 1963
Lot Size1.07 acres (46,609 sqft)
Owner2 Individual Names on File
Last Sale$1,415,000 (Aug 2000)
Tax Bill$28,583 (2025)
Flood ZoneZone X (minimal risk)
APNDARI M:33 B:52

Property Details

APN / Parcel Number

Primary APNDARI M:33 B:52
Alternative APNs
  • M:33 B:52=21
  • 5066

Interior

Bedrooms5 Beds
Full Baths4 Baths
Half Baths2 Half Baths
Total Rooms14 Rooms
Stories2 Stories
Building Area4,752 sqft Living Area
1st Floor Area1,405 sqft
Basement Area727 sqft
Unfinished Basement500 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1963
Effective Year BuiltEffective 2006
Architectural StyleColonial
Exterior MaterialWood Siding
Roof TypeGable
Roof MaterialAsphalt
Lot Area46,609 sqft (1.07 acres)
Garage TypeAttached
Parking Spaces1 Parking Space
Pool TypeIn-Ground Pool
SaunaSauna

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemHot Water
Heating FuelOil

Location & Zoning

Account Number5066
Street Address21 CIRCLE RD
CityDARIEN
StateCT
Zip06820-4901
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR-1
Legal Block52
JurisdictionDARIEN CT
Township / Civil DivisionDARIEN
Census Block Group1
Census Block1017
Census Tract30200

Owner

Source: Darien Town assessment roll, as of June 25, 2026

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

Owner of Record2 Individual Names on File
Mailing Address21 CIRCLE RD, DARIEN, CT 06820-4901
OccupancyOwner Occupied
Owner TypeIndividual
VestingHusband and Wife

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleAug 2, 2000 · Amount on Record
Deed SaleAug 2, 2000 · Amount on Record
Prior SaleAug 24, 1993 · Amount on Record
Deed Book / Page948 / 276
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Darien Town assessment roll, as of June 25, 2026

Property Jurisdictions

TypeName
StateConnecticut
County SubdivisionDarien Town
Unified School DistrictDarien School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$28,583.00$1,846,460 (+22.57%) Land $650,370 Building $1,196,090$1,292,522 Land $455,259 Building $837,263
2024$28,583.00 (+7.75%)
2023$26,528.00 (+2.21%)$1,506,400 (-) Land $500,290 Building $1,006,110
2022$25,955.00$1,506,400 Land $500,290 Building $1,006,110

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 ZoneZone X
minimal risk
Flood Insurance RequirementNot 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 RiskLow
lower than 94% of the US · lower than 90% of Connecticut
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemAQUARION-EASTERN FAIRFIELD COUNTY
private · serves 351,756 people · EPA ID CT0150011
Water SourceSurface water
Last State InspectionJun 2025
LeadUnder 1 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting24
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 104 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum Communications
Fiber · Cable
8,000 / 8,000
Frontier
Fiber
7,000 / 7,000
Starlink
Satellite
280 / 30
T-Mobile USA
Fixed Wireless
100 / 20

May also be available: AT&T.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Circle Rd

Nearby Streets

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