Greenwich Town property record for 9 Frontier Rd, Cos Cob, CT 06807 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 5 Beds |
| Bathrooms | 3.5 Baths |
| Year Built | Built 1975 |
| Square Footage | 5,334 sqft Living Area |
| Lot Size | 51,836 sqft (1.19 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $2,353,000 (2022) |
| Tax Bill | $15,114.00 (2025) |
| Primary APN | 08-3576 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 10 Rooms |
| Building Area | 5,334 sqft Living Area |
| Basement Area | 440 sqft Basement |
| Unfinished Basement | 440 sqft Unfinished |
| Stories | 2 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1969 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Colonial Style |
| Exterior Material | Wood Siding Exterior |
| Construction Type | Frame Construction |
| Roof Construction | Gable Roof Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 51,836 sqft (1.19 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Basement Garage |
| Deck Area | Deck Area |
| Cooling System | HVAC Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Heating Fuel | Electric Heating Fuel |
| Account Number | 358/022 |
|---|---|
| Street Address | 9 FRONTIER RD |
| City | COS COB |
| State | CT |
| Zip | 06807-1208 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Block | 3576 |
| Jurisdiction | GREENWICH CT |
| Minor Civil Division | GREENWICH |
| Census Blockgroup | 1 |
| Census Block | 1005 |
| Census Tract | 10202 |
Source: Greenwich Town records · APN 08-3576
Assessment roll updated June 25, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 9 FRONTIER RD, COS COB, CT 06807-1208 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Sep 22, 2021 | Deed of Trust, Mortgage · Adjustable Rate Mortgage (ARM) GUARANTEED RATE AFFINITY LLC |
| Aug 11, 2022 | Warranty Deed, Transfer · Stand Alone First Mortgage THE BANK OF NEW YORK MELLON |
| Mar 27, 2020 | Deed of Trust, Mortgage · Stand Alone Refinance GUARANTEED RATE AFFINITY LLC |
| May 20, 2019 | Deed of Trust, Mortgage GUARANTEED RATE |
| May 04, 2018 | Quit Claim Deed, Transfer · Line of Credit GUARANTEED RATE |
| Mar 22, 2018 | Quit Claim Deed, Transfer Quitclaim Document |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 11, 2022 · Amount on Record |
| Deed Sale | Aug 11, 2022 · Amount on Record |
| Prior Sale | Sep 26, 1997 · Amount on Record |
| Deed Doc Number | 20227430 |
| Deed Book / Page | 8145 / 158 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | GREENWICH CT |
| Property Address | 9 FRONTIER RD, COS COB, CT 06807-1208 |
| Transaction Type | Mortgage |
| Record Updated | Nov 20, 2025 |
| Name | Verified Name |
|---|
| Document Number | 007978-227 |
|---|---|
| Date | Sep 22, 2021 |
| Book Page | 7978/227 |
| Instrument | 10888 |
| Name | GUARANTEED RATE AFFINITY LLC |
|---|
| Type | Adjustable Rate Mortgage (ARM) |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.38% |
| Type Change Date | Oct 01, 2026 |
| Index | Other |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | Aug 11, 2022 |
| Property Address | 9 FRONTIER RD, COS COB, CT 06807-1208 |
| Document Number | 008145-158 |
| Book / Page | 8145 / 158 |
| Instrument Date | Aug 10, 2022 |
| Instrument | 7430 |
| Transaction Type | Transfer |
| Record Updated | Nov 20, 2025 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| 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 |
| Address | 41 HAROLD ST, COS COB, CT 06807-2134 |
| Investor | Possibly a Property Investor |
| Document Number | 0000007431 |
|---|---|
| Date | Aug 11, 2022 |
| Instrument | 7431 |
| Name | THE BANK OF NEW YORK MELLON |
|---|---|
| Type | Bank |
| Type | Stand Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Number | 008145-171 |
|---|---|
| Date | Aug 11, 2022 |
| Book Page | 8145/171 |
| Instrument | 7432 |
| Name | THE BANK OF NEW YORK MELLON |
|---|---|
| Type | Bank |
| Type | Stand Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2052 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | GREENWICH CT |
| Property Address | 9 FRONTIER RD, COS COB, CT 06807-1208 |
| Transaction Type | Mortgage |
| Record Updated | Mar 03, 2021 |
| Name | Verified Name |
|---|
| Document Number | 7643-276 |
|---|---|
| Date | Mar 27, 2020 |
| Book Page | 7643/276 |
| Instrument | 2437 |
| Name | GUARANTEED RATE AFFINITY LLC |
|---|
| Type | Stand Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 01, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | GREENWICH CT |
| Property Address | 9 FRONTIER RD, COS COB, CT 06807-1208 |
| Document Number | 7511-223 |
| Instrument Date | May 20, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Jun 11, 2019 |
| Title Company | UNKNOWN |
| Name | Verified Name |
|---|---|
| Address | 9 FRONTIER RD COS COB CT 068071208, COS COB, CT 06807-1208 |
| Document Number | 7511-223 |
|---|---|
| Date | May 24, 2019 |
| Book Page | 007511/000223 |
| Instrument | 3310 |
| Name | GUARANTEED RATE |
|---|
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | May 23, 2049 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | May 04, 2018 |
| Property Address | 9 FRONTIER RD, COS COB, CT 06807-1208 |
| Document Number | 7379-343 |
| Book / Page | 007379 / 000343 |
| Instrument Date | Apr 25, 2018 |
| Instrument | 3111 |
| Transaction Type | Transfer |
| Record Updated | May 24, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 9 FRONTIER RD COS COB CT 068071208, COS COB, CT 06807-1208 |
| Document Number | 7380-1 |
|---|---|
| Date | May 04, 2018 |
| Book Page | 007380/000001 |
| Instrument | 3112 |
| Name | GUARANTEED RATE |
|---|
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 03, 2048 |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | Mar 22, 2018 |
| Property Address | 9 FRONTIER RD, COS COB, CT 06807-1208 |
| Document Number | 7362-291 |
| Book / Page | 007362 / 000291 |
| Instrument Date | Jan 26, 2018 |
| Instrument | 1954 |
| Transaction Type | Transfer |
| Record Updated | Apr 10, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 9 FRONTIER RD COS COB CT 068071208, COS COB, CT 06807-1208 |
Source: Greenwich Town records · Assessment roll updated June 25, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision | Greenwich Town |
| Unified School District | Greenwich School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $15,114.00 | $1,255,310 (-) Land $541,170 Building $714,140 | $878,717 Land $378,819 Building $499,898 |
| 2024 | $15,114.00 (+5.71%) | ||
| 2023 | $14,298.00 (+0.97%) | $1,255,310 (-) Land $541,170 Building $714,140 | |
| 2022 | $14,160.00 | $1,255,310 Land $541,170 Building $714,140 |
Source: FEMA National Flood Hazard Layer, County delivery 09001C updated November 28, 2025 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Low above 20% of the US · above 55% of Connecticut |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
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