Suffolk County and Southampton Town property record for 320 Main St, Sag Harbor, NY 11963
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,352 sqft · built 1991 |
| Lot Size | 1.1 acres (47,916 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $3,212 (2024) |
| Flood Zone | Zone AE (high risk) |
| APN | 0903-003.00-01.00-022.000 |
| Primary APN | 0903-003.00-01.00-022.000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 2 Stories |
| Building Area | 2,352 sqft Living Area |
| 1st Floor Area | 2,352 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1991 |
|---|---|
| Effective Year Built | Effective 1991 |
| Architectural Style | Mobile Home |
| Exterior Material | Wood |
| Lot Area | 47,916 sqft |
| View / Lot | Waterfront |
| Garage Type | Basement |
| Porch | Porch |
| Porch Area | 284 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Sewer | Connected |
| Water Source | Commercial |
| Street Address | 320 MAIN ST |
|---|---|
| City | SAG HARBOR |
| State | NY |
| Zip | 11963-2668 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | VILLA |
| Legal Description | 87-LD EQ +8300 91-ADD /C88-(COE FROM 87)LD-20MP-315088 BOR N/C90 ADD |
| Legal Block | 1 |
| Legal Lot Number | 22 |
| Jurisdiction | SUFFOLK NY |
| Township / Civil Division | SOUTHAMPTON |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 190708 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Sag Harbor Village District listed 1973 · 25 contributing resources · NRIS 73001274 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Suffolk County and Southampton Town records, as of August 11, 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 | 320 MAIN ST, SAG HARBOR, NY 11963-2668 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Suffolk County and Southampton Town assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Suffolk County |
| County Subdivision | Southampton Town |
| Municipality | Sag Harbor Village |
| Unified School District | Sag Harbor Union Free School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,156,500 (-) Land $785,200 Building $371,300 | $1,835,714 (-) Land $1,246,349 Building $589,365 | |
| 2024 | $3,212.00 (+2.03%) | $1,835,714 (+10.32%) Land $1,246,349 Building $589,365 | |
| 2023 | $1,156,500 (-0.28%) Land $785,200 Building $371,300 | $1,664,029 (+13.36%) Land $1,129,784 Building $534,245 | |
| 2022 | $3,148.00 (-89.87%) | $1,159,700 Land $785,200 Building $374,500 | $1,467,975 Land $993,924 Building $474,051 |
| 2020 | $31,069.00 |
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 AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 7.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 175 individual policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 222 units insured incl. 47 condo units |
| Nearby Flood Claims | 5 (2008–2024) |
| Claims Outside the SFHA | 1 of 5 |
| Most Recent Claim | May 2024 · rainfall accumulation |
| Claims by Event |
|
Source: USFWS Coastal Barrier Resources System, as of December 19, 2024
| Coastal Barrier Resources System | Yes |
|---|---|
| Unit | NY-43P “Short Beach” |
| Unit Type | Otherwise Protected Area |
| NFIP Eligibility | Limited only for structures consistent with the area's protected purpose |
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 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 265 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Verizon Fixed Wireless | 300 / 20 |
5G (outdoors only) and 4G LTE
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