Westchester County and Mount Vernon City property record for 450 E Sidney Ave, Mount Vernon, NY 10553
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.23 acres (10,019 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $12,031 (2026) |
| Deeds & Mortgages | Aug 2022 Sale Dec 2020 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 550800 165.57-2090-1 |
| Primary APN | 550800 165.57-2090-1 |
|---|---|
| Alternative APNs |
|
| Lot Area | 10,019 sqft (0.23 acres) |
|---|
| Account Number | 041000 |
|---|---|
| Street Address | 450 E SIDNEY AVE |
| City | MOUNT VERNON |
| State | NY |
| Zip | 10553-1127 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | MAP OF DARWOOD CITY OF MOUNT VERNON N Y |
| Legal Block | 2090 |
| Legal Lot Number | 1.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | MOUNT VERNON |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 4100 |
450 E Sidney Ave is owned and occupied by two individuals who acquired it in August 2020.
Source: Westchester County and Mount Vernon City records, as of October 21, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 450 E SIDNEY AVE, MOUNT VERNON, NY 10553-1127 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Aug 4, 2022 | Bargain and Sale Deed, Transfer RECORD AND RETURN TITLE AGENCY, RECORD AND RETURN TITLE AGCY |
| Dec 30, 2020 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Aug 31, 2020 |
| Transfer Doc | 0602443512 |
| Record Updated | Oct 29, 2026 |
| Document Type | Bargain and Sale Deed |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Recording Date | Aug 4, 2022 |
| Property Address | 450 E SIDNEY AVE, MOUNT VERNON, NY 10553-1127 |
| Document Number | 0622023818 |
| Map Reference | MAP 2201 |
| Instrument Date | Aug 2, 2022 |
| Instrument | 622023818 |
| Transaction Type | Transfer |
| Record Updated | Aug 11, 2022 |
| Title Company | RECORD AND RETURN TITLE AGENCY, RECORD AND RETURN TITLE AGCY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 450 E SIDNEY AVE, MOUNT VERNON, NY 10553-1127 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Recording Date | Dec 30, 2020 |
| Property Address | 450 E SIDNEY AVE, MOUNT VERNON, NY 10553-1127 |
| Document Number | 0602443512 |
| Book / Page | 060244 / 003512 |
| Instrument Date | Aug 31, 2020 |
| Transaction Type | Transfer |
| Record Updated | Jan 12, 2021 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 65 E 96TH ST #12A NEW YORK NY 101280777, 12A, NEW YORK, NY 10128-0777 |
The 2026 property tax bill for 450 E Sidney Ave was $12,031, down 27.5% from the year before.
Source: Westchester County and Mount Vernon City assessment roll, as of May 14, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Westchester County |
| Municipality | Mount Vernon City |
| Unified School District | Mount Vernon School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $12,031.00 (-27.53%) | ||
| 2025 | $16,601.00 | $7,000 (-10.83%) Land $6,000 Building $1,000 | $388,889 (-4.88%) Land $333,333 Building $55,556 |
| 2024 | $7,850 (-) Land $6,000 Building $1,850 | $408,854 (-10.94%) Land $312,500 Building $96,354 | |
| 2023 | $7,850 Land $6,000 Building $1,850 | $459,064 Land $350,877 Building $108,187 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 450 E Sidney Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2018.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 2 (2018–2022) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jun 2022 · rainfall accumulation |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 450 E Sidney Ave 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 97% of the US · lower than 96% of New York |
|---|---|
| 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 | MOUNT VERNON WATER DEPARTMENT serves 73,893 people · EPA ID NY5903441 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jul 2025 |
| Lead | 7 ppb (2025–2027) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 550 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
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