Greenwich Town property record for 10 Prospect St W, Greenwich, CT 06830
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,784 sqft · built 1918 |
| Lot Size | 0.09 acres (3,920 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,255,000 (Jun 2026) |
| Tax Bill | $5,066 (2026) |
| Deeds & Mortgages | Sep 2025 Line of Credit Jun 2026 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 04-1270S |
| Primary APN | 04-1270S |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,784 sqft Living Area |
| Basement Area | 624 sqft |
| Unfinished Basement | 624 sqft |
| Year Built | Built 1918 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Conventional |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 3,920 sqft (0.09 acres) |
| Garage Type | Detached |
| Parking Spaces | 1 Parking Space |
| Deck Area | Deck Area |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Account Number | 147/090 |
|---|---|
| Street Address | 10 PROSPECT ST W |
| City | GREENWICH |
| State | CT |
| Zip | 06830-6820 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-6 |
| Legal Block | 1270/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 1 |
| Census Block | 1023 |
| Census Tract | 11300 |
10 Prospect St W is owned by a company that bought it in June 2026.
Source: Greenwich Town records, as of October 21, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 4004, GREENWICH, CT 06831-0401 |
| 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.
| Date | Document |
|---|---|
| Sep 22, 2025 | Deed of Trust, Mortgage · Line of Credit CITIZENS BANK |
| Jun 2, 2026 | Warranty Deed, Transfer · Conventional Mortgage JPMORGAN CHASE BANK N A |
| Oct 10, 2019 | Quit Claim Deed, Transfer UNKNOWN |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 2, 2026 · Amount on File |
| Deed Sale | Jun 2, 2026 · Amount on File |
| Deed Book / Page | 8572 / 72 |
| Prior Transfer Date | Oct 9, 2019 |
| Prior Transfer Doc | 7571-122 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | GREENWICH CT |
| Property Address | 10 PROSPECT ST W, GREENWICH, CT 06830-6820 |
| Transaction Type | Mortgage |
| Record Updated | Jun 17, 2026 |
| Name | Verified Name |
|---|
| Document Number | 00008483-1 |
|---|---|
| Date | Sep 22, 2025 |
| Book Page | 8483/1 |
| Instrument | 5674 |
| Name | CITIZENS BANK |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2055 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | Jun 2, 2026 |
| Property Address | 10 PROSPECT ST W, GREENWICH, CT 06830-6820 |
| Document Number | 0008572-72 |
| Book / Page | 8572 / 72 |
| Instrument Date | May 26, 2026 |
| Instrument | 20263106 |
| Transaction Type | Transfer |
| Record Updated | Jun 25, 2026 |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Date | Jun 2, 2026 |
|---|
| Name | JPMORGAN CHASE BANK N A |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jul 1, 2056 |
| Rate | 6.3% |
|---|---|
| Max Rate | -1% |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | Oct 10, 2019 |
| Property Address | 10 PROSPECT ST W, GREENWICH, CT 06830-6820 |
| Document Number | 7571-122 |
| Book / Page | 007571 / 000122 |
| Instrument Date | Oct 9, 2019 |
| Instrument | 8040 |
| Transaction Type | Transfer |
| Record Updated | Oct 29, 2019 |
| Title Company | UNKNOWN |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 10 PROSPECT ST GREENWICH CT 06830, GREENWICH, CT 06830 |
The 2026 property tax bill for 10 Prospect St W was $5,066, up 1.4% 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 | $5,066.00 (+1.38%) | $483,210 (+19.51%) Land $326,130 Building $157,080 | $1,201,188 (+324.41%) |
| 2025 | $4,997.00 | $404,320 Land $282,170 Building $122,150 | $283,024 Land $197,519 Building $85,505 |
| 2024 | $4,997.00 (+6.21%) | ||
| 2023 | $4,705.00 (+0.92%) | $404,320 (-) Land $282,170 Building $122,150 | |
| 2022 | $4,662.00 | $404,320 Land $282,170 Building $122,150 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 10 Prospect St W 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 10 Prospect St W 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 320 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 | 2,300 / 2,300 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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