About Suffolk County, New York
Suffolk County is located in on Long Island in southeastern New York. The county seat is Riverhead (official site: http://www.suffolkcountyny.gov/).
- Population: 1,502,968
- Households: 568,943
- Median household income: $87,763
- Median home value: $383,400
- Below poverty line: 6.4%
- Land area: 912.0 sq mi
- Population density: 1,637.4 people / sq mi
- Public libraries indexed: 64
- NCES schools indexed: 342
Recorded Documents
Official Free
Suffolk County Clerk Vincent Puleo's online records kiosk — land records (deeds, mortgages, satisfactions, releases, easements, restrictive covenants) indexed from 1987 forward, UCC financing statements from 1980 forward. Earlier records (back to the county's 1683 origin) require an in-person request at 310 Center Drive, Riverhead. Court Actions, Judgments, Liens, and Pistol Permits are also indexed through the same office.
Suffolk County
Official Free
Official Suffolk County government portal — 1.53M residents across the eastern two-thirds of Long Island, the fourth-most populous county in NY State. Governed by County Executive Edward P. Romaine (sworn January 2024) and an 18-member Legislature led by Presiding Officer Anthony Piccirillo (8th District, sworn January 5, 2026). FY 2026 budget $4.3 billion. Ten towns: Babylon, Brookhaven, East Hampton, Huntington, Islip, Riverhead, Shelter Island, Smithtown, Southampton, Southold.
Code
Official Free
Codified Suffolk County Code hosted by General Code on eCode360 — organized into the Charter (Chapter C, §§ C1-1 to C39-6), Administrative Code (Chapter A), Part I Administrative Local Laws (Chapters 1-261), Part II Regulatory Local Laws (Chapters 270-843), Part III Resolutions (Chapters 860-1187), and the Suffolk County Tax Act (Chapter 1195). The Civil Service Rules appear in Chapter 1200.
Naturalizations (county)
Official Free
County Clerk Vincent Puleo's naturalization-records search — Suffolk County Court declarations and petitions for citizenship beginning 1799 through the modern federal-court transition in 1906. Index includes immigrant name, country of origin, date of declaration, witnesses, and final citizenship-grant date. Valuable for tracing 19th-century immigrant ancestors who settled in the Long Island fishing, farming, and boatbuilding communities.
Accidents
Official Free
Suffolk County GIS portal traffic-incident layer — pinpoints fatal and serious-injury motor-vehicle crashes across the county's roughly 5,000 miles of state, county, and town roads. Used by the Department of Public Works for engineering studies under the federal Highway Safety Improvement Program and by SCPD for traffic-enforcement deployment. Data feeds from the NY State DMV TraCS crash-reporting system.
Civil Court Decisions
Official Free
NY State Unified Court System eCourts decision-search portal scoped to Suffolk County — filter by index number, docket number, or county to pull written opinions issued by Supreme Court and County Court judges sitting at the Cohalan Court Complex in Central Islip. Recent decisions include matrimonial, commercial division, and tort rulings; document-search login is free.
Court Cases — Pending Civil
Official Free
WebCivil Local portal for Suffolk County Supreme Court — pending civil case appearances, motion calendars, conference dates, and trial assignments. Search by index number, party name, or attorney. The Supreme Court at 400 Carleton Avenue, Central Islip handles tort, commercial, matrimonial, foreclosure, and Article 78 proceedings under NY CPLR.
Court Records - Civil — WebCivil
Official Free
WebCivil Supreme statewide case-tracking system filtered to Suffolk — search civil filings of record by index number, plaintiff, defendant, or attorney. Returns appearances, motions, minutes, judges assigned, and disposition. Records are filed through County Clerk Vincent Puleo's office under NY CPLR §§304-308.
Criminal Court Records & Calendars — Webcrims
Official Free
WebCrims Case Information System search for Suffolk County District Court (Class A misdemeanors and below) and County Court (felonies) — pending arraignments, calendars, dispositions, and warrant status. District Attorney Raymond A. Tierney took office January 1, 2022; the DA's office prosecutes roughly 35,000 cases annually across the 10 Suffolk towns.
Supreme Court Records
Official Free
NYSCEF (NY State Courts Electronic Filing) login for Suffolk County Supreme Court — mandatory e-filing covers commercial, foreclosure, guardianship, mass-tort, matrimonial, tort, workers' comp, and Department of Health cases under 22 NYCRR §202.5-b. Filers must register; free read-only public access available via NYSCEF's document-search bar at iapps.courts.state.ny.us/nyscef.
Most Wanted
Official Free
Suffolk County Police Department Crime Stoppers most-wanted gallery — photos, charges, last-known information for fugitives sought by the 2,400-officer SCPD covering the five western Suffolk towns (Babylon, Brookhaven, Huntington, Islip, Smithtown). The five eastern towns are policed by their own departments. Anonymous tips to 800-220-TIPS (8477) may earn cash rewards.
Legislative Districts
Official Free
Suffolk County Legislature 18-district map viewer — enter an address to identify your Legislator and link to their district office. The Legislature is the policy and budget-making body of Suffolk County government, presided over in 2026 by Anthony Piccirillo (District 8). Districts are redrawn every decade following federal census; current boundaries took effect with the 2023 election cycle.
Property — Town of Southold GIS
Official Free
Town of Southold GIS tax-map viewer for the North Fork community covering Greenport, Cutchogue, Mattituck, and Orient — interactive parcel search overlaying assessment, zoning, FEMA flood, agricultural-district, and aerial layers. Tax bills and assessment rolls are administered by the Southold Assessors at 53095 Main Road, Southold under NY Real Property Tax Law.
Property — County Tax Records
Official Free
Suffolk County Real Property Tax Service Agency under Director Gary Simonson at 300 Center Drive, Riverhead — the sole authority for creating and maintaining countywide tax maps. AREIS (Advanced Real Estate Information System) subscription service exposes ownership, sales, deed history, and tax-map data for every Suffolk parcel; verification by the Tax Map Division is required by law before any document can be recorded. 631-852-1550.
Property — Town of Brookhaven
Official Free
Town of Brookhaven Assessor's Office assessment roll — Suffolk's largest town by both area and population at roughly 486,000 residents covering Patchogue, Port Jefferson, Stony Brook, Setauket, Yaphank, and Mastic. Tentative roll filed May 1, final roll July 1 each year under NY Real Property Tax Law §506. Grievance Day is the fourth Tuesday in May.
Property — Town of Islip
Official Free
Town of Islip Assessor's Office assessment-roll search for Suffolk's second-largest town (roughly 340,000 residents) covering Bay Shore, Brentwood, Central Islip, East Islip, Sayville, and West Islip. Tentative roll posted May 1; grievance applications (Form RP-524) must be filed by the fourth Tuesday in May to the Board of Assessment Review.
Property — Town of Huntington Tax Records
Official Free
Town of Huntington property-tax search by address or tax-map (Section/Block/Lot) number — Suffolk's fourth-largest town at roughly 204,000 residents covering Huntington Village, Cold Spring Harbor, Northport, Centerport, Greenlawn, and Melville. Receiver of Taxes Jillian Guthman administers tax collection; school taxes are due December 1 and town/county taxes by January 10.
Property — Town of Huntington Assessments
Official Free
Town of Huntington Assessor's Office assessment-roll search by tax-map number — tentative roll filed May 1, final roll July 1 under NY Real Property Tax Law §516. Grievance Day falls on the third Tuesday in May. Huntington remains one of the few Long Island towns to maintain its own STAR (School Tax Relief) program administration alongside the New York State Department of Taxation and Finance.
Property — Town of Babylon GIS
Official Free
Town of Babylon GIS interactive property viewer — toggle layers for parcel boundaries, street sweeping schedules, Census demographics, recreation facilities, school districts, and aerial photography over Babylon's 218,000-resident jurisdiction covering Lindenhurst, Copiague, Amityville, North Amityville, Wyandanch, and Deer Park.
Property — Town of East Hampton
Official Free
Town of East Hampton tentative and final assessment-roll archive for the South Fork community covering Amagansett, Montauk, Springs, Wainscott, and the unincorporated Hamptons hamlets. Tentative roll posted May 1, final July 1; the town reassesses property annually at a base 100% equalization rate. Median single-family value among the highest in New York State.
Property — Town of Smithtown
Official Free
Town of Smithtown tentative and final assessment rolls — North Shore community of roughly 117,000 residents covering Smithtown, Kings Park, Nesconset, Saint James, Commack, and Hauppauge (the Suffolk County seat). The Assessor's Office at 99 West Main Street files the tentative roll May 1 each year; Grievance Day is the third Tuesday in May.
Property — Town of Riverhead
Official Free
Town of Riverhead downloadable assessment and tax rolls — the county seat of Suffolk and home to the Riverhead County Center, the H. Lee Dennison Building's twin off County Road 51. Tentative assessment roll posted May 1 each year. Riverhead covers Aquebogue, Jamesport, Wading River, and Calverton with a population of roughly 35,000.
Property — Town of Southold
Official Free
Town of Southold Assessor PDF assessment roll — North Fork community covering Mattituck, Cutchogue, Greenport Village, Orient, East Marion, and Fishers Island. Tentative roll filed May 1, final July 1 under NY RPTL §506. The Town Hall Annex is at 54375 Main Road, Southold; assessment review is conducted by the Board of Assessment Review on the fourth Tuesday in May.
Property — Village of Amityville
Official Free
Village of Amityville property-tax bill lookup on the BAS Internet Tax platform — search by parcel ID, owner name, or property address. Amityville is a self-assessing village within the Town of Babylon with its own Assessor/Tax Receiver office at 21 Greene Avenue. Village tax bills are issued July 1; first half is due July 1, second half January 3.
Property — Town of Smithtown GIS
Official Free
Suffolk County GIS Viewer scoped to the Town of Smithtown — interactive parcel viewer combining county tax-map data with local assessment records, zoning overlays, FEMA flood zones, school districts, and aerial photography. Maintained by Suffolk County GIS at the H. Lee Dennison Building, Hauppauge.
Property — Town of Southampton
Official Free
Town of Southampton tentative and final assessment rolls — South Fork town covering Bridgehampton, Sag Harbor, Water Mill, Westhampton, Hampton Bays, and the unincorporated Hamptons hamlets. Tentative roll filed May 1; grievance period closes the third Tuesday in May. Assessor's Office at 116 Hampton Road, Southampton; 631-283-6020.
Property — Town of Shelter Island
Official Free
Town of Shelter Island property-tax records and online payment on the BAS Internet Tax platform — accessible only by ferry between the North and South Forks, the town has roughly 3,000 year-round residents that swell sevenfold in summer. Receiver of Taxes accepts payments by mail to P.O. Box 1854, Shelter Island Heights, NY 11965 or by drop box at the Assessor/Tax Receiver office. 888-877-0450.
Property — Town of Shelter Island
Official Free
Town of Shelter Island Assessor's Office assessment roll — the Assessors set valuations under the NY Real Property Tax Law, with tentative roll filed May 1 and final roll July 1 each year. Shelter Island maintains its own self-assessing town status separate from any village; the Assessor's office is located at 38 North Ferry Road in Shelter Island Heights.
Property — Town of Southampton Sales
Official Free
Town of Southampton GIS sales-records viewer — search recent residential and commercial real-estate transfers by neighborhood, hamlet, price range, or sale date. The map overlays parcel boundaries, school districts, and aerial photography across one of the highest-value real-estate markets in New York State, including Sagaponack, Water Mill, and Bridgehampton South of the Highway.