Greenwich Town property record for 323 Hamilton Ave, Greenwich, CT 06830
| Property Type | Duplex |
|---|---|
| Details | 6 bd · 4.5 ba · 3,850 sqft · built 1925 |
| Lot Size | 0.18 acres (7,841 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $390,000 (Dec 1998) |
| Tax Bill | $9,516 (2026) |
| Deeds & Mortgages | Nov 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 03-1579S |
| Primary APN | 03-1579S |
|---|---|
| Alternative APNs |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 14 Rooms |
| Stories | 2 Stories |
| Building Area | 3,850 sqft Living Area |
| Attic | Attic |
| Attic Area | 360 sqft |
| Basement Area | 1,096 sqft |
| Unfinished Basement | 1,096 sqft |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1968 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 7,841 sqft (0.18 acres) |
| Garage Type | Detached |
| Parking Spaces | 1 Parking Space |
| Deck Area | Deck Area |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Account Number | 216/043 |
|---|---|
| Street Address | 323 HAMILTON AVE |
| City | GREENWICH |
| State | CT |
| Zip | 06830-6180 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R-6 |
| Legal Block | 1579/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 10500 |
323 Hamilton Ave, a duplex, is owned and occupied by two individuals who bought it in December 1998.
Source: Greenwich Town records, as of October 21, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 323 HAMILTON AVE, GREENWICH, CT 06830-6180 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Dec 29, 1998 · Amount on File |
| Deed Sale | Dec 29, 1998 · Amount on File |
| Deed Book / Page | 3203 / 57 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | GREENWICH CT |
| Property Address | 323 HAMILTON AVE, GREENWICH, CT 06830-6180 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 7774-36 |
|---|---|
| Date | Nov 12, 2020 |
| Book Page | 7774/36 |
| Instrument | 10201 |
| Name | TOTAL MORTGAGE SERVICES LLC |
|---|---|
| Type | Mortgage Company |
| Type | Balloon Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Dec 1, 2040 |
The 2026 property tax bill for 323 Hamilton Ave was $9,516, up 33.4% 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 | $9,516.00 (+33.41%) | $907,690 (+57.27%) Land $352,030 Building $555,660 | $1,312,436 (+224.86%) |
| 2025 | $7,133.00 | $577,150 Land $299,810 Building $277,340 | $404,005 Land $209,867 Building $194,138 |
| 2024 | $7,133.00 (+6.21%) | ||
| 2023 | $6,716.00 (+0.92%) | $577,150 (-) Land $299,810 Building $277,340 | |
| 2022 | $6,655.00 | $577,150 Land $299,810 Building $277,340 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 323 Hamilton 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.
The area around 323 Hamilton Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 153 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 | 2,300 / 2,300 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures