1 Siwanoy Rd, Darien, CT 06820 Property Records

Darien Town property record for 1 Siwanoy Rd, Darien, CT 06820

Property Summary

Property Type	Single Family Home
Details	6 bd · 6 ba · 6,474 sqft · built 1936
Lot Size	2.6 acres (113,256 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,950,000 (Sep 2016)
Tax Bill	$50,541 (2025)
Deeds & Mortgages	Jun 2020 Mortgage Jun 2020 Refinance
Flood Zone	Zone AE (high risk)
APN	`DARI M:66 B:75&76`

Property Details

APN / Parcel Number

Primary APN	`DARI M:66 B:75&76`
Alternative APN	`6164`

Interior

Bedrooms	6 Beds
Full Baths	6 Baths
Half Baths	2 Half Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	6,474 sqft Living Area
1st Floor Area	3,538 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1936
Effective Year Built	Effective 2017
Architectural Style	Colonial
Exterior Material	Wood Siding
Lot Area	113,256 sqft (2.6 acres)
Garage Type	Attached
Parking Spaces	1 Parking Space
Pool Type	In-Ground Pool

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	6164
Street Address	1 SIWANOY RD
City	DARIEN
State	CT
Zip	06820-6226
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-1
Legal Block	75 , 76
Jurisdiction	DARIEN CT
Township / Civil Division	DARIEN
Census Block Group	1
Census Block	1024
Census Tract	30300

Owner

Source: Darien Town records, 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 Record	2 Individual Names on Record
Mailing Address	1 SIWANOY RD, DARIEN, CT 06820-6226
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jun 24, 2020	Deed of Trust, Mortgage · Balloon Mortgage M & T BANK
Jun 24, 2020	Deed of Trust, Mortgage · Stand-Alone Refinance M & T BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 16, 2016 · Amount on Record
Deed Sale	Sep 16, 2016 · Amount on Record
Prior Sale	Sep 25, 1992 · Amount on Record
Deed Book / Page	1596 / 23
Record Updated	Sep 20, 2026

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DARIEN CT
Property Address	1 SIWANOY RD, DARIEN, CT 06820-6226
Transaction Type	Mortgage
Record Updated	Feb 7, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	1683-725
Date	Jun 24, 2020
Book Page	1683/725

Lender

Name	M & T BANK
Type	Bank

Agreement

Type	Balloon Mortgage
Amount	Amount Recorded

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DARIEN CT
Property Address	1 SIWANOY RD, DARIEN, CT 06820-6226
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	1683-710
Date	Jun 24, 2020
Book Page	1683/710

Lender

Name	M & T BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2050

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	Connecticut
County Subdivision	Darien Town
Unified School District	Darien School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$50,541.00	$3,264,940 (+26.36%) Land $1,689,170 Building $1,575,770	$2,285,458 Land $1,182,419 Building $1,103,039
2024	$50,541.00 (+11.08%)
2023	$45,501.00 (+2.2%)	$2,583,840 (-) Land $1,251,250 Building $1,332,590
2022	$44,520.00	$2,583,840 Land $1,251,250 Building $1,332,590

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 AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	13.0 ft
Flood Insurance Requirement	Required federally backed loans

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 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.

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 120 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

May also be available: Verizon.

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