31 Hillside Ave, Darien, CT 06820 Property Records

Darien Town property record for 31 Hillside Ave, Darien, CT 06820 · Last verified July 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	2 Baths
Year Built	Built 1999
Square Footage	2,855 sqft Living Area
Lot Size	16,117 sqft (0.37 acres)
Garage	Attached
Last Sale	$1,475,000 (2024)
Tax Bill	$14,462.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`DARI M:47 B:42`
Alternative APN	`9545`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Building Area	2,855 sqft Living Area
1st Floor	1,824 sqft 1st Floor
Stories	2 Stories
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1946
Effective Year Built	Effective 1999
Architectural Style	Colonial Style
Exterior Material	Wood Siding Exterior
Lot Area	16,117 sqft (0.37 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Attached Garage

Utilities and HVAC

Cooling System	HVAC Cooling
Heating System	Hot Water Heating
Heating Fuel	Oil Heating Fuel

Location & Zoning

Account Number	9545
Street Address	31 HILLSIDE AVE
City	DARIEN
State	CT
Zip	06820-5012
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Block	42
Jurisdiction	DARIEN CT
Minor Civil Division	DARIEN
Census Blockgroup	3
Census Block	3007
Census Tract	30400

Owner

Source: Darien Town records · APN DARI M:47 B:42

Assessment roll updated June 25, 2026 · Last verified July 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 File
Mailing Address	137 HOLLOW TREE RIDGE RD, DARIEN, CT 06820-5045
Owner Type	Owner is an Individual, Couple or Unincorporated Entity
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Sep 09, 2024 · Amount on Record
Deed Sale	Sep 09, 2024 · Amount on Record
Deed Doc Number	20241548
Deed Book / Page	1767 / 207
Record Refreshed	Sep 20, 2026

September 2024: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DARIEN CT
Recording Date	Sep 09, 2024
Property Address	31 HILLSIDE AVE, DARIEN, CT 06820-5012
Document Number	001767-207
Book / Page	1767 / 207
Instrument Date	Sep 03, 2024
Instrument	1548
Transaction Type	Transfer
Record Updated	Sep 26, 2024

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	137 HOLLOW TREE RIDGE RD, DARIEN, CT 06820-5045

Tax Assessment & Valuation

Source: Darien Town records · Assessment roll updated June 25, 2026 · Last verified July 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$14,462.00	$934,220 (+33.7%) Land $596,120 Building $338,100	$653,954 Land $417,284 Building $236,670
2024	$14,462.00 (+17.53%)
2023	$12,305.00 (+2.21%)	$698,740 (-) Land $425,810 Building $272,930
2022	$12,039.00	$698,740 Land $425,810 Building $272,930

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, County delivery 09001C updated November 28, 2025 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.