Greenwich Town property record for 12 Frontier Rd, Cos Cob, CT 06807
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3.5 ba · 3,500 sqft · built 1966 |
| Lot Size | 1.06 acres (46,174 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $2,450,000 (Nov 2022) |
| Tax Bill | $15,648 (2026) |
| Deeds & Mortgages | Nov 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-3560 |
| Primary APN | 08-3560 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,500 sqft Living Area |
| Basement Area | 750 sqft |
| Unfinished Basement | 750 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 46,174 sqft (1.06 acres) |
| Garage Type | Attached |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 358/017 |
|---|---|
| Street Address | 12 FRONTIER RD |
| City | COS COB |
| State | CT |
| Zip | 06807-1207 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RA-2 |
| Legal Block | 3560 |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 10202 |
12 Frontier Rd is owned and occupied by two individuals who bought it in November 2022.
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 | 12 FRONTIER RD, COS COB, CT 06807-1207 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 30, 2022 · Amount on File |
| Deed Sale | Nov 30, 2022 · Amount on File |
| Prior Sale | Nov 2, 1998 · Amount on File |
| Deed Document Number | 20229714 |
| Deed Book / Page | 8176 / 87 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | Nov 30, 2022 |
| Property Address | 12 FRONTIER RD, COS COB, CT 06807-1207 |
| Document Number | 0008176-87 |
| Book / Page | 8176 / 87 |
| Instrument Date | Nov 29, 2022 |
| Instrument | 9714 |
| Transaction Type | Transfer |
| Record Updated | Nov 20, 2025 |
| 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 |
|---|---|
| Relationship | Joint Tenants |
| Document Number | 0000009715 |
|---|---|
| Date | Nov 30, 2022 |
| Instrument | 9715 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount on Record |
The 2026 property tax bill for 12 Frontier Rd was $15,648, up 19.4% 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 | $15,648.00 (+19.39%) | $1,545,460 (+41.96%) Land $706,720 Building $838,740 | $2,873,220 (+277.04%) |
| 2025 | $13,107.00 | $1,088,640 Land $529,130 Building $559,510 | $762,048 Land $370,391 Building $391,657 |
| 2024 | $13,107.00 (+12.83%) | ||
| 2023 | $11,617.00 (+2.29%) | $1,019,900 (+1.3%) Land $529,130 Building $490,770 | |
| 2022 | $11,357.00 | $1,006,810 Land $529,130 Building $477,680 |
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 12 Frontier Rd 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 12 Frontier Rd is low, with 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 80% of the US · above 55% of Connecticut |
|---|---|
| Wildfire Likelihood | 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: FCC Broadband Data Collection, based on 101 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 |
4G LTE (outdoors only), no 5G reported
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