307 West Ave, Darien, CT 06820 Property Records

Darien Town property record for 307 West Ave, Darien, CT 06820

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,638 sqft · built 1947
Lot Size	0.17 acres (7,405 sqft)
Owner	2 Individual Names on Record
Last Sale	$780,000 (Aug 2018)
Tax Bill	$11,017 (2025)
Deeds & Mortgages	Feb 2021 Mortgage Aug 2018 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`DARI M:48 B:29`

Property Details

APN / Parcel Number

Primary APN	`DARI M:48 B:29`
Alternative APN	`6584`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,638 sqft Living Area
1st Floor Area	936 sqft
Game Room	Game Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1947
Effective Year Built	Effective 1947
Architectural Style	Cape Cod
Exterior Material	Aluminum/Vinyl
Lot Area	7,405 sqft (0.17 acres)
Garage Type	Basement
Parking Spaces	1 Parking Space
Deck Area	Deck Area

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	6584
Street Address	307 WEST AVE
City	DARIEN
State	CT
Zip	06820-4004
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R15
Legal Block	29
Jurisdiction	DARIEN CT
Township / Civil Division	DARIEN
Census Block Group	1
Census Block	1027
Census Tract	30500

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	307 WEST AVE, DARIEN, CT 06820-4004
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Feb 2, 2021	Deed of Trust, Mortgage · Balloon Mortgage GUARANTEED RATE AFFINITY LLC
Aug 8, 2018	Warranty Deed, Transfer CITIZENS BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 8, 2018 · Amount on Record
Deed Sale	Aug 8, 2018 · Amount on Record
Prior Sale	Oct 31, 2014 · Amount on Record
Deed Book / Page	1640 / 550
Record Updated	Sep 20, 2026

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DARIEN CT
Property Address	307 WEST AVE, DARIEN, CT 06820-4004
Transaction Type	Mortgage
Record Updated	Mar 4, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	1707-53
Date	Feb 2, 2021
Book Page	1707/53

Lender

Name	GUARANTEED RATE AFFINITY LLC

Agreement

Type	Balloon Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2051

August 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DARIEN CT
Recording Date	Aug 8, 2018
Property Address	307 WEST AVE, DARIEN, CT 06820-4004
Document Number	1640-550
Book / Page	1640 / 550
Transaction Type	Transfer
Record Updated	May 21, 2021

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$73.65
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Investor	Possibly a Property Investor

Mortgage

Document Number	16400552
Date	Aug 8, 2018
Instrument	01640/0552

Lender

Name	CITIZENS BANK
Type	Bank

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Aug 8, 2048

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	$11,017.00	$711,690 (+32.82%) Land $526,260 Building $185,430	$498,183 Land $368,382 Building $129,801
2024	$11,017.00 (+16.75%)
2023	$9,436.00 (+2.2%)	$535,850 (-) Land $404,810 Building $131,040
2022	$9,233.00	$535,850 Land $404,810 Building $131,040

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	Indirect within ember reach
Adjoins Burnable Land	Yes

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 333 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
AT&T Fixed Wireless	100 / 20

May also be available: T-Mobile.

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