Greenwich Town property record for 1 Mayo Ave, Greenwich, CT 06830
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 6 ba · 3,420 sqft · built 1946 |
| Lot Size | 0.53 acres (23,087 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $40,047 (2026) |
| Deeds & Mortgages | Sep 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 02-1488S |
| Primary APN | 02-1488S |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 6 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,420 sqft Living Area |
| Basement Area | 1,801 sqft |
| Unfinished Basement | 1,801 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Cape Cod |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 23,087 sqft (0.53 acres) |
| Garage Type | Basement |
| Parking Spaces | 3 Parking Spaces |
| Greenhouse | Greenhouse |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Oil |
| Account Number | 252/041 |
|---|---|
| Street Address | 1 MAYO AVE |
| City | GREENWICH |
| State | CT |
| Zip | 06830-7021 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RA-1 |
| Legal Block | 1488/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 11200 |
1 Mayo Ave is owned and occupied by two individuals.
Source: Greenwich Town records, as of October 21, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1 MAYO AVE, GREENWICH, CT 06830-7021 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | GREENWICH CT |
| Property Address | 1 MAYO AVE, GREENWICH, CT 06830-7021 |
| Transaction Type | Mortgage |
| Record Updated | Oct 14, 2021 |
| Name | Verified Name |
|---|
| Document Number | 7981-273 |
|---|---|
| Date | Sep 28, 2021 |
| Book Page | 7981/273 |
| Instrument | 11067 |
| Name | GOLDMAN SACHS BANK USA |
|---|---|
| Type | Bank |
| Type | ARM |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.65% |
| Type Change Date | Oct 1, 2028 |
| Index | Other |
| Margin | 3 |
The 2026 property tax bill for 1 Mayo Ave was $40,047, up 6.7% 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 | $40,047.00 (+6.73%) | $3,819,830 (+25.82%) Land $2,806,440 Building $1,013,390 | $4,174,994 (+96.46%) |
| 2025 | $37,521.00 | $3,035,900 Land $2,194,780 Building $841,120 | $2,125,130 Land $1,536,346 Building $588,784 |
| 2024 | $37,521.00 (+6.21%) | ||
| 2023 | $35,326.00 (+0.92%) | $3,035,900 (-) Land $2,194,780 Building $841,120 | |
| 2022 | $35,004.00 | $3,035,900 Land $2,194,780 Building $841,120 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1 Mayo 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 1 Mayo 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 98% of the US · lower than 97.2% 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 120 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Cable · Fiber in parts of the area | 940 / 35 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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