Greenwich Town property record for 300 Valley Rd, Cos Cob, CT 06807
| Property Type | Mixed Use Commercial Office / Residential |
|---|---|
| Details | 2,951 sqft · built 2023 |
| Lot Size | 0.13 acres (5,663 sqft) |
| Owner | Company Name on File |
| Tax Bill | $17,216 (2024) |
| Deeds & Mortgages | Oct 2018 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-1777S |
| Primary APN | 08-1777S |
|---|---|
| Alternative APNs |
|
| Total Rooms | 1 Room |
|---|---|
| Stories | 2 Stories |
| Building Area | 2,951 sqft Total Area |
| Basement Area | 2,287 sqft |
| Unfinished Basement | 2,287 sqft |
| Year Built | Built 2023 |
|---|---|
| Effective Year Built | Effective 2023 |
| Construction Type | Frame |
| Lot Area | 5,663 sqft (0.13 acres) |
| Deck Area | Deck Area |
| Account Number | 403/114 |
|---|---|
| Street Address | 300 VALLEY RD |
| City | COS COB |
| State | CT |
| Zip | 06807-1813 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Mixed Use Commercial Office / Residential |
| Local Zoning Code | LBR-1 |
| Legal Block | 1777/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 10202 |
300 Valley Rd, a commercial property, is owned by a company.
Source: Greenwich Town records, as of June 25, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 35 PARK AVE, OLD GREENWICH, CT 06870-1722 |
| 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 |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | Oct 4, 2018 |
| Property Address | 300 VALLEY RD, COS COB, CT 06807-1813 |
| Document Number | 7436-249 |
| Book / Page | 007436 / 000249 |
| Instrument Date | Oct 3, 2018 |
| Instrument | 7726 |
| Transaction Type | Transfer |
| Record Updated | Oct 23, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 35 PARK AVE GREENWICH CT 06830, GREENWICH, CT 06830 |
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 |
|---|---|---|---|
| 2025 | $1,393,000 Land $164,080 Building $1,228,920 | $975,100 Land $114,856 Building $860,244 | |
| 2024 | $17,216.00 (+60.78%) | ||
| 2023 | $10,708.00 (+161.36%) | $920,290 (+159%) Land $164,080 Building $756,210 | |
| 2022 | $4,097.00 | $355,320 Land $164,080 Building $191,240 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 300 Valley Rd 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.
Wildfire risk around 300 Valley Rd 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 99.1% of the US · lower than 99% of Connecticut |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 319 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Frontier Fiber | 5,000 / 5,000 |
May also be available: Verizon.
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