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County incident evidence

Nassau County heating-oil spill records

Official NYSDEC data records 890 private-dwelling fuel-oil incidents in the selected 2024–2026 window. Use this as search context, not a parcel-level risk score.

Official-source workflow Property-specific research New York
Find a document & prepare a worksheet Optional NJ/NY research help

Local files beyond statewide databases

Use the property's local research route.

Incident totals describe a dataset, not this property's condition. Local permits, verification letters, and agency requests need their own research path.

Nassau oil tank removal verification letter research

Nassau has a small heating-oil tank closure route distinct from bulk-storage research. Choosing the right system matters more than searching every database.

Oyster Bay oil tank municipal records and Nassau verification

Keep Oyster Bay's Town Clerk records request separate from Nassau's small heating-oil tank verification letter. The two routes answer different parts of the history.
Browse all researched areas and missing-record questions →
Official incident data

Nassau County data snapshot

#2 in current comparison 890

Nassau County

Private-dwelling fuel-oil incidents reported from 2024-01-01 through 2026-07-10.

Counts are reproducible aggregates from NYSDEC Spill Incidents. Updated 2026-07-10. They are not counts of tanks, affected homes, or contamination findings.

Official lookup sequence

Open the source, keep the identifiers, then check the gaps.

Statewide outside NYC · Parcel and jurisdiction route

ORPTS Municipal Data Portal

New York State Department of Taxation and Finance

Search by
  • County
  • City, town, or village
  • Municipal profile
  • Sales Web
Identifiers to keep
County, Municipality, SWIS code, SBL or print key, Property address
Request route
Use Municipal Profiles to identify the local assessor and official municipal site; use Sales Web for recent transfers.
Request conditions
Preserve the SWIS code and SBL/print key used by local permit and records offices.
Fee / timing
No online-search fee shown · Immediate online result
Fallback
Contact the local assessor or county Real Property Tax Services office for the roll or parcel card.

Assessment and sales records identify the parcel and history; they do not establish tank installation, closure, or environmental condition.

Route verified 2026-09-14.

Open official lookup
Statewide · Environmental case search

NYSDEC Environmental Site Database Search

New York State Department of Environmental Conservation

Search by
  • Address or site name
  • Spill number
  • Program or facility identifier
  • County
Identifiers to keep
Spill number, Site code, Facility ID, Address, County
Request route
Search public environmental site records before filing FOIL.
Request conditions
Use address variants and every case, spill, site, or facility identifier recovered.
Fee / timing
No public-search fee shown · Immediate when the system is available
Fallback
Use DECinfo Locator or the NYSDEC FOIL Records Access Center for specific existing records.

A database result can require document review, and no search result is not proof that a residential tank never existed.

Route verified 2026-09-14.

Open official lookup
Statewide · Reported incidents

NYSDEC Spill Incidents dataset

New York State Department of Environmental Conservation

Search by
  • County
  • Spill date
  • Material and source
  • Spill number
Identifiers to keep
Spill number, Address, County, Spill date
Request route
Search, filter, or export the public dataset.
Request conditions
Confirm the incident address and do not attribute a nearby record to the subject parcel without an identifier match.
Fee / timing
No online-search fee shown · Immediate online result
Fallback
Use the spill number in the environmental site search or a NYSDEC FOIL request for incident files.

A reported incident is not a parcel-level risk score, and absence from the dataset is not a tank-free certificate.

Route verified 2026-09-14.

Open official lookup
Statewide · Missing-file request

NYSDEC FOIL Records Access Center

NYSDEC Records Access Office

Search by
  • Specific record description
  • Relevant dates and names
  • Spill, site, facility, or program identifiers
Identifiers to keep
Address, County, Spill number, Site code, Facility ID, Date range
Request route
Submit through the DEC GovQA online FOIL system; written alternatives are also published.
Request conditions
Describe the records, relevant dates, names, identifiers, preferred format, and contact information.
Fee / timing
Up to $0.25 per standard paper copy or actual authorized reproduction cost; notice is provided before release · Within five business days: records, denial, or acknowledgment with a reasonable estimate
Fallback
Contact the Records Access Office at 518-402-9522 with the request number; appeal instructions are published on the FOIL page.

DEC is not required to create a new record. Requests should identify existing records as specifically as possible.

Route verified 2026-09-14.

Open official lookup
Checklist
Limits
  • This total counts reported incidents, not tanks or affected homes.
  • Multiple incidents can relate to one location, and a tank can exist without a reported spill.
  • The optional research intake accepts a property address privately; the incident dataset does not issue a property score.

New York record research

Send the property, not just the question.

The founder will use this route intelligence to research the specific parcel, request missing files when needed, and explain the resulting evidence.

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