290 Mason St, Greenwich, CT 06830 Property Records

Greenwich Town property record for 290 Mason St, Greenwich, CT 06830

Property Summary

Property Type	Retail Stores (Personal Services, Photography, Travel)
Details	2,112 sqft · built 1917
Lot Size	0.07 acres (3,049 sqft)
Owner	Company Name on File
Last Sale	$16,590,000 (Oct 2023)
Tax Bill	$12,165 (2026)
Deeds & Mortgages	Oct 2023 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`01-2123S`

Property Details

APN / Parcel Number

Primary APN	`01-2123S`
Alternative APNs	`GREE M:01 B:2123/S` `286/054`

Interior

Stories	1 Story
Building Area	2,112 sqft Total Area
Basement Area	2,112 sqft
Unfinished Basement	2,112 sqft

Exterior

Year Built	Built 1917
Effective Year Built	Effective 1917
Exterior Material	Brick
Construction Type	Frame
Roof Type	Flat
Roof Material	Built-Up Asphalt
Lot Area	3,049 sqft (0.07 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C

Location & Zoning

Account Number	286/054
Street Address	290 MASON ST
City	GREENWICH
State	CT
Zip	06830
Property Category	Commercial
Property Type	Commercial > Retail > Retail Stores (Personal Services, Photography, Travel)
Local Zoning Code	CGB
Legal Block	2123/S
Jurisdiction	GREENWICH CT
Township / Civil Division	GREENWICH
Census Block Group	1
Census Block	1009
Census Tract	10600

Owner

290 Mason St, a commercial property, is owned by a company that bought it in October 2023.

Source: Greenwich Town records, as of October 21, 2026

Owner of Record	Company Name on File
Mailing Address	290 MASON ST, GREENWICH, CT 06830
Owner Type	Company
Vesting	Company

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 12, 2023 · Amount on File
Deed Sale	Oct 12, 2023 · Amount on File
Prior Sale	Jul 23, 2004 · Amount on File
Deed Document Number	20236069
Deed Book / Page	8265 / 276
Transfer Doc	4707000154
Record Updated	Oct 29, 2026

October 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	GREENWICH CT
Recording Date	Oct 12, 2023
Property Address	290 MASON ST, GREENWICH, CT 06830
Document Number	008265-276
Book / Page	8265 / 276
Instrument Date	Oct 11, 2023
Instrument	6069
Transaction Type	Transfer
Record Updated	Jul 10, 2025
Title Company	NONE AVILABALE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	120 BLOOMINGDALE RD STE 105, 105, WHITE PLAINS, NY 10605-1518

Mortgage

Document Number	0000006071
Date	Oct 12, 2023
Instrument	6071

Lender

Name	FIRST COUNTY BANK
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2026 property tax bill for 290 Mason St was $12,165, down 7.4% from the year before.

Source: Greenwich Town assessment roll, as of June 25, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$12,165.00 (-7.41%)	$1,160,320 (+9.15%) Land $488,670 Building $671,650
2025	$13,138.00	$1,063,020 Land $467,390 Building $595,630	$744,114 Land $327,173 Building $416,941
2024	$13,138.00 (+17.37%)
2023	$11,194.00 (+0.92%)	$962,010 (-) Land $467,390 Building $494,620
2022	$11,092.00	$962,010 Land $467,390 Building $494,620

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

Flood

FEMA maps place 290 Mason St in Zone X, an area of minimal flood risk.

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

The area around 290 Mason St has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

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 325 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Verizon Fiber · Fixed Wireless in parts of the area	980 / 880
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20