Greenwich Town property record for 511 Lake Ave, Greenwich, CT 06830
| Property Type | Single Family Home |
|---|---|
| Details | 7 bd · 11.5 ba · 9,682 sqft · built 1958 |
| Lot Size | 2.31 acres (100,624 sqft) |
| Owner | Company Name on File |
| Last Sale | $3,100,000 (Oct 1996) |
| Tax Bill | $51,185 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 11-1350S |
| Primary APN | 11-1350S |
|---|---|
| Alternative APNs |
|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 11.5 Baths |
| Half Baths | 3 Half Baths |
| Total Rooms | 21 Rooms |
| Building Area | 9,682 sqft Living Area |
| Basement Area | 3,453 sqft |
| Unfinished Basement | 3,453 sqft |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Construction Type | Frame |
| Lot Area | 100,624 sqft (2.31 acres) |
| Pool Type | Pool with Hot Tub/Spa |
| Total Buildings | 2 Buildings |
| Cooling System | HVAC |
|---|
| Account Number | 207/029 |
|---|---|
| Street Address | 511 LAKE AVE |
| City | GREENWICH |
| State | CT |
| Zip | 06830-3831 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RA-2 |
| Legal Block | 1350/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 10201 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Individually Listed | French Farm listed 1975 · 6 contributing resources · NRIS 75001918 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
511 Lake Ave is owned by a company that bought it in October 1996.
Source: Greenwich Town records, as of October 21, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 511 LAKE AVE, GREENWICH, CT 06830-3831 |
| 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 |
|---|---|
| Last Sale | Oct 10, 1996 · Amount on File |
| Deed Sale | Oct 10, 1996 · Amount on File |
| Prior Sale | Aug 16, 1995 · Amount on File |
| Deed Book / Page | 2842 / 120 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 511 Lake Ave was $51,185, up 20.7% 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 | $51,185.00 (+20.74%) | $4,882,220 (+42.34%) Land $1,709,820 Building $3,172,400 | $6,828,955 (+184.42%) |
| 2025 | $42,391.00 | $3,430,000 Land $1,263,780 Building $2,166,220 | $2,401,000 Land $884,646 Building $1,516,354 |
| 2024 | $42,391.00 (+6.21%) | ||
| 2023 | $39,911.00 (-13.72%) | $3,430,000 (-14.51%) Land $1,263,780 Building $2,166,220 | |
| 2022 | $46,259.00 | $4,012,050 Land $1,263,780 Building $2,748,270 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 511 Lake Ave 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 risk around 511 Lake Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 89% of Connecticut |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 60 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber | 980 / 880 |
5G (outdoors only) and 4G LTE
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