Suffolk County and Brookhaven Town property record for 21 Mill St, Mount Sinai, NY 11766
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,232 sqft · built 1986 |
| Lot Size | 0.34 acres (14,810 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $501,000 (Jan 2021) |
| Tax Bill | $13,871 (2024) |
| Deeds & Mortgages | Aug 2026 Sale Jan 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 0200-258.00-03.00-026.000 |
| Primary APN | 0200-258.00-03.00-026.000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,232 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1986 |
| Architectural Style | Colonial |
| Exterior Material | Frame Wood |
| Lot Area | 14,810 sqft (0.34 acres) |
| View / Lot | Waterfront |
| Heating System | Forced Air with A/C |
|---|
| Account Number | 1126060 |
|---|---|
| Street Address | 21 MILL ST |
| City | MOUNT SINAI |
| State | NY |
| Zip | 11766 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MERRYWOOD PARK 5812 10 |
| Legal Subdivision | MERRYWOOD PARK |
| Legal Block | 8000 |
| Legal Lot Number | 300 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | BROOKHAVEN |
| Census Block Group | 4 |
| Census Block | 4014 |
| Census Tract | 158320 |
21 Mill St is owner-occupied and held in a trust since February 2024.
Source: Suffolk County and Brookhaven Town records, as of October 16, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 21 MILL ST, PORT JEFFERSON STATION, NY 11776-3209 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Living Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Aug 31, 2026 | Deed, Transfer |
| Jan 26, 2021 | Deed, Transfer · Stand-Alone First Mortgage FINANCE AMERICA LLC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 26, 2021 · Amount on File |
| Deed Sale | Jan 26, 2021 · Amount on File |
| Prior Sale | Aug 3, 2016 · Amount on File |
| Deed Book / Page | 13088 / 480 |
| Last Transfer Date | Feb 20, 2024 |
| Transfer Doc | 1325000721 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Aug 31, 2026 |
| Property Address | 21 MILES LN, MOUNT SINAI, NY 11766-2118 |
| Document Number | 1334000534 |
| Book / Page | 13348 / 534 |
| Instrument Date | Aug 6, 2026 |
| Transaction Type | Transfer |
| Record Updated | Oct 14, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 21 MILL ST, PORT JEFFERSON STATION, NY 11776-3209 |
| Document Type | Deed |
|---|---|
| Jurisdiction | SUFFOLK NY |
| Recording Date | Jan 26, 2021 |
| Property Address | 21 MILES LN, MOUNT SINAI, NY 11766 |
| Document Number | 0130880480 |
| Book / Page | 13088 / 480 |
| Instrument Date | Dec 11, 2020 |
| Transaction Type | Transfer |
| Record Updated | May 6, 2022 |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1234 POND RD, CORAM, NY 11727 |
| Document Number | 00DL049961 |
|---|---|
| Date | Jan 26, 2021 |
| Instrument | DL049961 |
| Name | FINANCE AMERICA LLC |
|---|---|
| Type | Subprime Lender |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount on Record |
Source: Suffolk County and Brookhaven Town assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Brookhaven Town |
| Unified School District | Brookhaven-Comsewogue Union Free School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,330 Land $300 Building $3,030 | $693,750 Land $56,604 Building $571,698 | |
| 2024 | $13,871.00 | ||
| 2023 | $3,330 Land $300 Building $3,030 | $6,167 Land $556 Building $5,611 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 21 Mill St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1980.
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 |
| Nearby Flood Claims | 1 (1980) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Apr 1980 · 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 21 Mill St 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 | 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 249 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Cable · Fiber in parts of the area | 940 / 35 |
| Verizon Fixed Wireless · Fiber in parts of the area | 300 / 20 |
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