Greenwich Town property record for 21 E Elm St, Greenwich, CT 06830
| Property Type | Government / Public Use |
|---|---|
| Lot Size | 2.28 acres (99,317 sqft) |
| Owner | Company Name on Record |
| Flood Zone | Zone X (minimal risk) |
| APN | 01-4515S |
| Primary APN | 01-4515S |
|---|---|
| Alternative APNs |
|
| Lot Area | 99,317 sqft (2.28 acres) |
|---|
| Account Number | 284/291 |
|---|---|
| Street Address | 21 E ELM ST |
| City | GREENWICH |
| State | CT |
| Zip | 06830 |
| Property Category | Public Works |
| Property Type | Public Works > Government / Public Use |
| Local Zoning Code | CGB |
| Legal Block | 4515/S |
| Jurisdiction | GREENWICH CT |
| Township / Civil Division | GREENWICH |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 10600 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Greenwich Avenue Historic District listed 1989 · 125 contributing resources · NRIS 89001215 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
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 | 101 FIELD POINT RD, GREENWICH, CT 06830-6463 |
| Owner Type | Company |
| Vesting | Government |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
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 | Assessed Value | Assessed Market Value |
|---|---|---|
| 2026 | $16,204,860 (+15.75%) Land $15,923,320 Building $281,540 | |
| 2025 | $14,000,000 (-) Land $13,725,320 Building $274,680 | $9,800,000 Land $9,607,724 Building $192,276 |
| 2023 | $14,000,000 (+1.28%) Land $13,725,320 Building $274,680 | |
| 2022 | $13,823,740 Land $13,725,320 Building $98,420 |
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 501 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 |
May also be available: AT&T, Frontier.
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