Greenwich Town property record for 173 Hamilton Ave, Greenwich, CT 06830
| Property Type | Mixed Use Commercial Office / Residential |
|---|---|
| Details | 2,440 sqft · built 1925 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,015,000 (May 2021) |
| Tax Bill | $8,093 (2026) |
| Deeds & Mortgages | May 2021 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 03-1326S |
| Primary APN | 03-1326S |
|---|---|
| Alternative APNs |
|
| Total Rooms | 3 Rooms |
|---|---|
| Stories | 2 Stories |
| Building Area | 2,440 sqft Total Area |
| Basement Area | 1,044 sqft |
| Unfinished Basement | 1,044 sqft |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Shingle |
| Lot Area | 8,712 sqft (0.2 acres) |
| Garage Type | Detached |
| Parking Spaces | 1 Parking Space |
| Account Number | 215/008 |
|---|---|
| Street Address | 173 HAMILTON AVE |
| City | GREENWICH |
| State | CT |
| Zip | 06830-6166 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Mixed Use Commercial Office / Residential |
| Local Zoning Code | LBR-2 |
| Legal Block | 1326/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 10500 |
Source: Greenwich Town records, as of October 21, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 28 BRUCE PARK AVE, GREENWICH, CT 06830-2728 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 7, 2021 · Amount on Record |
| Deed Sale | May 7, 2021 · Amount on Record |
| Deed Document Number | 20214858 |
| Deed Book / Page | 7884 / 139 |
| Record Updated | Oct 29, 2026 |
| Document Type | Executor's Deed |
|---|---|
| Jurisdiction | GREENWICH CT |
| Recording Date | May 7, 2021 |
| Property Address | 173 HAMILTON AVE, GREENWICH, CT 06830-6166 |
| Document Number | 7884-139 |
| Book / Page | 7884 / 139 |
| Instrument Date | May 6, 2021 |
| Instrument | 4858 |
| Transaction Type | Transfer |
| Record Updated | May 20, 2021 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
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 | $8,093.00 (-6.58%) | $771,960 (+10.13%) Land $409,360 Building $362,600 | |
| 2025 | $8,663.00 | $700,980 (-) Land $399,770 Building $301,210 | $490,686 Land $279,839 Building $210,847 |
| 2024 | $8,663.00 (+6.2%) | ||
| 2023 | $8,157.00 (+0.93%) | $700,980 (-) Land $399,770 Building $301,210 | |
| 2022 | $8,082.00 | $700,980 Land $399,770 Building $301,210 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 492 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
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