Greenwich Town property record for 154 Mason St, Greenwich, CT 06830
| Property Type | Parking Lot |
|---|---|
| Lot Size | 0.11 acres (4,792 sqft) |
| Owner | Company Name on File |
| Tax Bill | $7,001 (2026) |
| Deeds & Mortgages | Jan 2017 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 01-2548S |
| Primary APN | 01-2548S |
|---|---|
| Alternative APNs |
|
| Lot Area | 4,792 sqft (0.11 acres) |
|---|
| Account Number | 285/178 |
|---|---|
| Street Address | 154 MASON ST |
| City | GREENWICH |
| State | CT |
| Zip | 06830 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Parking Lot |
| Local Zoning Code | CGB |
| Legal Block | 2548/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 10600 |
154 Mason St, a commercial property, is owned by a company.
Source: Greenwich Town records, as of October 21, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 170 MASON ST, GREENWICH, CT 06830-6644 |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | GREENWICH CT |
| Property Address | 154 MASON ST, GREENWICH, CT 06830 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 7190-256 |
|---|---|
| Date | Jan 20, 2017 |
| Book Page | 7190/256 |
| Name | PEOPLES UNITED BANK |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jan 1, 2047 |
The 2026 property tax bill for 154 Mason St was $7,001, down 0.2% from the year before.
Source: Greenwich Town assessment roll, as of June 25, 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision | Greenwich Town |
| Unified School District | Greenwich School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $7,001.00 (-0.21%) | $667,800 (+17.63%) Land $663,390 Building $4,410 | |
| 2025 | $7,016.00 | $567,700 Land $559,860 Building $7,840 | $397,390 Land $391,902 Building $5,488 |
| 2024 | $7,016.00 (+6.21%) | ||
| 2023 | $6,606.00 (+0.92%) | $567,700 (-) Land $559,860 Building $7,840 | |
| 2022 | $6,546.00 | $567,700 Land $559,860 Building $7,840 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 154 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.
The area around 154 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.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 501 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 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Frontier.
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