166 Heights Rd, Darien, CT 06820 Property Records

Darien Town property record for 166 Heights Rd, Darien, CT 06820

Property Summary

Property Type	Mixed Use Commercial Office / Residential
Details	4 bd · 9,298 sqft · built 1945
Lot Size	0.411 acres (17,899 sqft)
Owner	Company Name on File
Last Sale	$3,800,000 (Dec 2007)
Tax Bill	$37,048 (2025)
Flood Zone	Zone X (minimal risk)
APN	`DARI M:74 B:11`

Property Details

APN / Parcel Number

Primary APN	`DARI M:74 B:11`
Alternative APN	`10312`

Interior

Bedrooms	4 Beds
Units	2 Units
Stories	2 Stories
Building Area	9,298 sqft Gross Area

Exterior

Year Built	Built 1945
Effective Year Built	Effective 1945
Exterior Material	Brick
Construction Type	Steel Frame
Lot Area	17,899 sqft (0.411 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Space Heater

Location & Zoning

Account Number	10312
Street Address	166 HEIGHTS RD
City	DARIEN
State	CT
Zip	06820-4119
Property Category	Commercial
Property Type	Commercial > Office > Mixed Use Commercial Office / Residential
Local Zoning Code	DC
Legal Block	11
Jurisdiction	DARIEN CT
Township / Civil Division	DARIEN
Census Block Group	1
Census Block	1025
Census Tract	30500

Owner

Source: Darien Town records · APN DARI M:74 B:11

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	Company Name on File
Mailing Address	178 HEIGHTS RD, DARIEN, CT 06820-4119
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Dec 10, 2007 · Amount on Record
Deed Sale	Dec 10, 2007 · Amount on Record
Prior Sale	May 02, 2000 · Amount on Record
Deed Book / Page	1311 / 605
Record Updated	Sep 20, 2026

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 and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$37,048.00	$2,393,300 (+18.47%) Land $830,900 Building $1,562,400	$1,675,310 Land $581,630 Building $1,093,680
2024	$37,048.00 (+4.14%)
2023	$35,576.00 (+2.21%)	$2,020,200 (-) Land $755,370 Building $1,264,830
2022	$34,808.00	$2,020,200 Land $755,370 Building $1,264,830

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of November 28, 2025 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Low lower than 80% of the US · above 55% of Connecticut
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

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

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Optimum Communications 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 USA.

Based on FCC filings for 356 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	AQUARION-EASTERN FAIRFIELD COUNTY private · serves 351,756 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.