581 Post Rd, Darien, CT 06820 Property Records

Darien Town property record for 581 Post Rd, Darien, CT 06820 · Last verified July 2026

Property Highlights

Property Type	Commercial > Office > Office Building
Architecture Style	Other
Year Built	Built 1998
Square Footage	4,853 sqft Gross Area
Lot Size	18,326 sqft (0.421 acres)
Last Sale	$458,000 (1986)
Tax Bill	$17,550.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`DARI M:14 B:34`
Alternative APN	`7960`

Interior

Building Area	4,853 sqft Gross Area
Basement Area	1,593 sqft Basement
Unfinished Basement	1,593 sqft Unfinished
Stories	2 Stories

Exterior

Year Built	Built 1998
Effective Year Built	Effective 1998
Architectural Style	Other Style
Construction Type	Frame Construction
Lot Area	18,326 sqft (0.421 acres)

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	7960
Street Address	581 POST RD
City	DARIEN
State	CT
Zip	06820-3609
Property Usage	Commercial Property Usage
Type	Commercial > Office > Office Building
Legal Block	34
Jurisdiction	DARIEN CT
Minor Civil Division	DARIEN
Census Blockgroup	2
Census Block	2013
Census Tract	30200

Owner

Source: Darien Town records · APN DARI M:14 B:34

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	55 GREENS FARMS RD, WESTPORT, CT 06880-6149
Owner Type	Owner is a Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	May 01, 1986 · Amount on Record
Deed Sale	May 01, 1986 · Amount on Record
Deed Book / Page	528 / 323
Record Refreshed	Sep 20, 2026

May 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DARIEN CT
Recording Date	May 18, 2017
Property Address	581 POST RD, DARIEN, CT 06820-3609
Document Number	1613-430
Book / Page	001613 / 000430
Transaction Type	Transfer
Record Updated	Jun 13, 2017

Transaction

Tax	$0.00
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company

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	$17,550.00	$1,133,720 (-7.31%) Land $842,660 Building $291,060	$793,604 Land $589,862 Building $203,742
2024	$17,550.00 (-18.52%)
2023	$21,540.00 (+2.21%)	$1,223,180 (-) Land $766,080 Building $457,100
2022	$21,075.00	$1,223,180 Land $766,080 Building $457,100

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft

Wildfire

Wildfire Risk	Low above 20% of the US · above 55% of Connecticut
Wildfire Likelihood	About 1 in 10,000 per year
Exposure	Direct burnable vegetation at the parcel

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

Historic Designation

Source: NPS National Register of Historic Places · August 1, 2026 release · Last verified October 2026

Historic District	Within the Boston Post Road Historic District listed 1982 · 23 contributing resources · NRIS 82000997

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.