Suffolk County and Islip Town property record for 820 Johnson Ave, Ronkonkoma, NY 11779
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.45 acres (19,602 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $9,517 (2024) |
| Deeds & Mortgages | May 2019 Loan Modification |
| Flood Zone | Zone X (minimal risk) |
| APN | 472889 62.-2-5 |
| Primary APN | 472889 62.-2-5 |
|---|---|
| Alternative APNs |
|
| Lot Area | 19,602 sqft (0.45 acres) |
|---|---|
| Lot Width | 99 ft Width |
| Account Number | 059066 |
|---|---|
| Street Address | 820 JOHNSON AVE |
| City | RONKONKOMA |
| State | NY |
| Zip | 11779-6115 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | AA |
| Legal Description | X2241327Y212973 T014H00000000 |
| Legal Block | 2000 |
| Legal Lot Number | 200 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | ISLIP |
| Census Block Group | 2 |
| Census Block | 2026 |
| Census Tract | 145808 |
Source: Suffolk County and Islip Town records, as of October 19, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 43 BLACKWATCH CT, SOUTHAMPTON, NY 11968-3739 |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Mar 31, 2025 |
| Transfer Doc | 0132920325 |
| Record Updated | Oct 29, 2026 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Property Address | 820 JOHNSON AVE, RONKONKOMA, NY 11779-6139 |
| Document Number | 0230530229 |
| Instrument Date | May 20, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Oct 1, 2019 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Address | 43 BLACKWATCH CT SOUTHAMPTON NY 119683739, SOUTHAMPTON, NY 11968-3739 |
| Document Number | 0230530229 |
|---|---|
| Date | Aug 19, 2019 |
| Book Page | 023053/000229 |
| Name | SPECIALIZED LN SERVICING |
|---|---|
| Type | Funding / Finance Company |
| Address | 8742 LUCENT BLVD # 300, HIGHLANDS RANCH, CO 80129-2386 |
| Amount | Amount Recorded |
|---|---|
| Term | 204 Months |
| Due | Aug 18, 2036 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.5% |
Source: Suffolk County and Islip Town assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Islip Town |
| Unified School District | Connetquot Central School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $32,700 (-) Land $13,900 Building $18,800 | $460,564 (-) Land $195,775 Building $264,789 | |
| 2024 | $9,517.00 | $460,564 (+2.54%) Land $195,775 Building $264,789 | |
| 2023 | $32,700 Land $13,900 Building $18,800 | $449,176 Land $190,934 Building $258,242 |
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 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 (2011–2014) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Aug 2014 · 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of New York |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 | SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people · EPA ID NY5110526 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jan 2024 |
| Lead | 1 ppb (2025–2027) action level 15 ppb |
| Water Quality | Asbestos resolved · Jul 2020 |
|---|---|
| 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 314 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 |
May also be available: T-Mobile.
5G (outdoors only) and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures