21 Buttonwood Ln, Darien, CT 06820 Property Records

Darien Town property record for 21 Buttonwood Ln, Darien, CT 06820

Property Summary

Property Type	Single Family Home
Details	4 bd · 4.5 ba · 5,912 sqft · built 1916
Lot Size	1.11 acres (48,352 sqft)
Owner	2 Individual Names on Record
Tax Bill	$28,079 (2025)
Deeds & Mortgages	May 2022 Refinance Oct 2021 Refinance + 2 more
Flood Zone	Zone X (minimal risk)
APN	`DARI M:05 B:6A`

Property Details

APN / Parcel Number

Primary APN	`DARI M:05 B:6A`
Alternative APN	`6522`

Interior

Bedrooms	4 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	5,912 sqft Living Area
1st Floor Area	3,082 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace
Central Vacuum	Central Vacuum

Exterior

Year Built	Built 1916
Effective Year Built	Effective 1916
Architectural Style	Colonial
Exterior Material	Wood Siding
Lot Area	48,352 sqft (1.11 acres)
Garage Type	Attached
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	6522
Street Address	21 BUTTONWOOD LN
City	DARIEN
State	CT
Zip	06820-2807
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-1
Legal Block	6A
Jurisdiction	DARIEN CT
Township / Civil Division	DARIEN
Census Block Group	1
Census Block	1019
Census Tract	30100

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	21 BUTTONWOOD LN, DARIEN, CT 06820-2807
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
May 17, 2022	Deed of Trust, Mortgage · Stand-Alone Refinance CITIZENS BANK
Oct 13, 2021	Deed of Trust, Mortgage · Stand-Alone Refinance FEDERAL SAVINGS BANK
Jun 29, 2017	Deed of Trust, Mortgage PROVIDENT FUNDING ASSOCIATES LP
Mar 2, 2020	Deed of Trust, Mortgage · Stand-Alone Refinance FIRST REPUBLIC BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Record Updated	Sep 20, 2026

May 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DARIEN CT
Property Address	21 BUTTONWOOD LN, DARIEN, CT 06820-2807
Transaction Type	Mortgage
Record Updated	Jun 9, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	001741-707
Date	May 17, 2022
Book Page	1741/707

Lender

Name	CITIZENS BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	301 Months
Due	Jun 1, 2047

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DARIEN CT
Property Address	21 BUTTONWOOD LN, DARIEN, CT 06820-2807
Transaction Type	Mortgage
Record Updated	Oct 28, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	1729-1145
Date	Oct 13, 2021
Book Page	1729/1145

Lender

Name	FEDERAL SAVINGS BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2051

June 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DARIEN CT
Property Address	21 BUTTONWOOD LN, DARIEN, CT 06820-2807
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	1616-371
Date	Jun 29, 2017
Book Page	1616/371

Lender

Name	PROVIDENT FUNDING ASSOCIATES LP
Type	Mortgage Company

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jun 1, 2047

March 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DARIEN CT
Property Address	21 BUTTONWOOD LN, DARIEN, CT 06820-2807
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	1673-77
Date	Mar 2, 2020
Book Page	1673/77

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	Stand-Alone Refinance
Amount	Amount Recorded
Term	301 Months
Due	Apr 1, 2045

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	$28,079.00	$1,813,910 (+39.23%) Land $759,290 Building $1,054,620	$1,269,737 Land $531,503 Building $738,234
2024	$28,079.00 (+22.39%)
2023	$22,942.00 (+2.21%)	$1,302,770 (-) Land $542,360 Building $760,410
2022	$22,447.00	$1,302,770 Land $542,360 Building $760,410

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 80% of the US · above 55% of Connecticut
Wildfire Likelihood	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 139 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

Cell Coverage

5G (outdoors only) and 4G LTE

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