Westchester County and Mount Vernon City property record for 21 E Prospect Ave, Mount Vernon, NY 10550
| Property Type | Neighborhood Shopping Center, Strip Center |
|---|---|
| Lot Size | 2.12 acres (92,347 sqft) |
| Owner | Company Name on File |
| Last Sale | $7,771,747 (Aug 2008) |
| Tax Bill | $58,967 (2025) |
| Deeds & Mortgages | Mar 2026 Sale Feb 2020 Sale + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 550800 165.62-1136-20 |
| Primary APN | 550800 165.62-1136-20 |
|---|---|
| Alternative APNs |
|
| Lot Area | 92,347 sqft (2.12 acres) |
|---|
| Account Number | 025280 |
|---|---|
| Street Address | 21 E PROSPECT AVE |
| City | MOUNT VERNON |
| State | NY |
| Zip | 10550-2225 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Neighborhood Shopping Center, Strip Center |
| Legal Block | 1136 |
| Legal Lot Number | 20.000 |
| Jurisdiction | WESTCHESTER NY |
| Township / Civil Division | MOUNT VERNON |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 4001 |
Source: Westchester County and Mount Vernon City assessment roll, as of May 14, 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 File |
|---|---|
| Mailing Address | 230 PARK AVE, 530, NEW YORK, NY 10169-0599 |
| Owner Type | Company |
| Vesting | Company |
| Date | Document |
|---|---|
| Mar 30, 2026 | Lease, Transfer |
| Feb 12, 2020 | Grant Deed, Transfer ROYAL ABSTRACT/NY LLC, ROYAL ABS/NY LLC |
| Dec 20, 2019 | Loan Modification, Mortgage · Line of Credit METLIFE R/E LNDG LLC |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 7, 2008 · Amount on Record |
| Deed Sale | Aug 7, 2008 · Amount on Record |
| Deed Document Number | 2008482100137 |
| Record Updated | Jun 8, 2026 |
| Document Type | Lease |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Recording Date | Mar 30, 2026 |
| Property Address | 21 E PROSPECT AVE, MOUNT VERNON, NY 10550-2225 |
| Document Number | 0660783164 |
| Map Reference | MAP 16962 |
| Instrument Date | Jan 21, 2026 |
| Instrument | 660783164 |
| Transaction Type | Transfer |
| Record Updated | Jun 30, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Name | Verified Name |
|---|---|
| Address | 158 W 27TH ST, NEW YORK, NY 10001-6216 |
| Name | Verified Name |
|---|---|
| Address | 1111 POLARIS PKWY, COLUMBUS, OH 43240-2031 |
| Investor | Possibly a Property Investor |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Recording Date | Feb 12, 2020 |
| Property Address | 21 E PROSPECT AVE, MOUNT VERNON, NY 10550-2225 |
| Document Number | 0593473528 |
| Book / Page | 059347 / 003528 |
| Instrument Date | Dec 20, 2019 |
| Transaction Type | Transfer |
| Record Updated | Mar 4, 2020 |
| Title Company | ROYAL ABSTRACT/NY LLC, ROYAL ABS/NY LLC |
| Amount | Amount Recorded |
|---|---|
| Tax | $53,590.00 |
| Amount Accuracy | Confirmed |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 410 PARK AVE #10TH NEW YORK NY 100224407, 10TH, NEW YORK, NY 10022-4407 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | WESTCHESTER NY |
| Property Address | 21 E PROSPECT AVE, MOUNT VERNON, NY 10550-2225 |
| Document Number | 0600303301 |
| Instrument Date | Dec 20, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Mar 3, 2020 |
| Title Company | ROYAL ABSTRACT/NEWYORK, ROYAL ABS/NEWYORK |
| Additional |
|
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 158 W 27TH ST #12TH NEW YORK NY 100016216, 12TH, NEW YORK, NY 10001-6216 |
| Document Number | 0600303301 |
|---|---|
| Date | Feb 12, 2020 |
| Book Page | 060030/003301 |
| Name | METLIFE R/E LNDG LLC |
|---|---|
| Address | 1 METLIFE WAY, WHIPPANY, NJ 07981-1449 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
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 |
|---|---|---|---|
| 2025 | $58,967.00 | $302,000 (-) Land $200,000 Building $102,000 | $16,777,778 (+6.67%) Land $11,111,111 Building $5,666,667 |
| 2024 | $302,000 (-) Land $200,000 Building $102,000 | $15,729,167 (-10.94%) Land $10,416,667 Building $5,312,500 | |
| 2023 | $302,000 Land $200,000 Building $102,000 | $17,660,818 Land $11,695,906 Building $5,964,912 |
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 | 1 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 |
|---|
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 USA Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures