Greenwich Town property record for 150 Prospect St, Apt 23, Greenwich, CT 06830
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2.5 ba · 1,366 sqft · built 1992 |
| Owner | 2 Individual Names on File |
| Last Sale | $398,000 (Nov 2002) |
| Tax Bill | $5,437 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 03-1870S |
| Primary APN | 03-1870S |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 4 Rooms |
| Units | 28 Units |
| Stories | 2 Stories |
| Building Area | 1,366 sqft Living Area |
| Basement Area | 242 sqft |
| Unfinished Basement | 242 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 1992 |
| Architectural Style | Other |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Garage Type | Basement |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | Deck Area |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 250/A23 |
|---|---|
| Street Address | 150 PROSPECT ST, 23 |
| City | GREENWICH |
| State | CT |
| Zip | 06830-3114 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | GB |
| Legal Subdivision | CHESTERFIELD |
| Legal Block | 1870/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 11200 |
150 Prospect St, Apt 23 is owned and occupied by two individuals who bought it in November 2002.
Source: Greenwich Town records, as of October 21, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 150 PROSPECT ST, 23, GREENWICH, CT 06830-3114 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Nov 25, 2002 · Amount on File |
| Deed Sale | Nov 25, 2002 · Amount on File |
| Deed Book / Page | 4039 / 339 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 150 Prospect St, Apt 23 was $5,437, up 34.7% 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 | $5,437.00 (+34.68%) | $518,560 (+58.77%) Building $518,560 | $780,701 (+241.46%) |
| 2025 | $4,037.00 | $326,620 Building $326,620 | $228,634 Building $228,634 |
| 2024 | $4,037.00 (+6.21%) | ||
| 2023 | $3,801.00 (+0.93%) | $326,620 (-) Building $326,620 | |
| 2022 | $3,766.00 | $326,620 Building $326,620 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 150 Prospect St, Apt 23 in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective November 28, 2025
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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 150 Prospect St, Apt 23 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 372 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 |
| AT&T Fixed Wireless | 100 / 20 |
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