Westchester County and Mount Vernon City property record for 21 Summit Ave, Mount Vernon, NY 10550
| Property Type | Triplex |
|---|---|
| Lot Size | 0.21 acres (9,148 sqft) |
| Owner | Company Name on Record |
| Last Sale | $775,000 (Jun 2025) |
| Tax Bill | $27,499 (2026) |
| Deeds & Mortgages | Sep 2021 Sale Sep 2019 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 550800 165.64-2061-1 |
| Primary APN | 550800 165.64-2061-1 |
|---|---|
| Alternative APNs |
|
| Architectural Style | Triplex |
|---|---|
| Lot Area | 9,148 sqft (0.21 acres) |
| Account Number | 036100 |
|---|---|
| Street Address | 21 SUMMIT AVE |
| City | MOUNT VERNON |
| State | NY |
| Zip | 10550-1502 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Legal Subdivision | MAP OF CHESTER HILL |
| Legal Block | 2061 |
| Legal Lot Number | 1.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | MOUNT VERNON |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 4002 |
Source: Westchester County and Mount Vernon City 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 | 485 GRAMATAN AVE, 7B, MOUNT VERNON, NY 10552-2917 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Date | Document |
|---|---|
| Sep 15, 2021 | Bargain and Sale Deed, Transfer |
| Sep 10, 2019 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 23, 2025 · Amount on Record |
| Deed Sale | Jun 23, 2025 · Amount on Record |
| Deed Document Number | 20253332 |
| Prior Transfer Date | Aug 21, 2019 |
| Prior Transfer Doc | 0591013534 |
| Record Updated | Oct 29, 2026 |
| Document Type | Bargain and Sale Deed |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Recording Date | Sep 15, 2021 |
| Property Address | 21 SUMMIT AVE, MOUNT VERNON, NY 10550-1502 |
| Document Number | 0610953462 |
| Map Reference | MAP 605 |
| Instrument Date | May 18, 2021 |
| Instrument | 610953462 |
| Transaction Type | Transfer |
| Record Updated | Oct 20, 2021 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 80 GUION PL # PLL5, 80, NEW ROCHELLE, NY 10801-3822 |
| Name | Verified Name |
|---|---|
| Address | 80 GUION PL # L5, L5, NEW ROCHELLE, NY 10801-3822 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Recording Date | Sep 10, 2019 |
| Property Address | 21 SUMMIT AVE, MOUNT VERNON, NY 10550-1502 |
| Document Number | 0591013534 |
| Book / Page | 059101 / 003534 |
| Instrument Date | Aug 22, 2019 |
| Transaction Type | Transfer |
| Record Updated | Sep 20, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 3 MOUNTAIN LAUREL DR GREENWICH CT 068312741, GREENWICH, CT 06831-2741 |
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 | $27,499.00 (+63%) | ||
| 2025 | $16,871.00 | $16,000 (-) Land $6,700 Building $9,300 | $888,889 (+6.67%) Land $372,222 Building $516,667 |
| 2024 | $16,000 (-) Land $6,700 Building $9,300 | $833,333 (-10.94%) Land $348,958 Building $484,375 | |
| 2023 | $16,000 Land $6,700 Building $9,300 | $935,673 Land $391,813 Building $543,860 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 | 2 in force |
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.
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 | 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 656 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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures