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New York · North Country · #413
St. Lawrence County, New York
Stretching along the St. Lawrence River to the Canadian border, New York's largest county by land area is a place of farmland, hardwood forest, the Seaway Valley, and four colleges that keep the North Country's intellectual life more active than its geography might suggest.
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Office: St. Lawrence County Office of Emergency Services – Building #8, 49½ Court Street, Canton, NY 13617 | (315) 379-2240
Services: Operates four bureaus – Communications (911 PSAP), EMS, Emergency Management, and Fire Coordination; maintains the county’s Comprehensive Emergency Management Plan and coordinates response across the state’s largest county by land area.
Roads & Utilities
ROADS & TRANSPORTATION
Roads: US-11 and NY-37 serve Canton, the county seat, along the St. Lawrence River bordering Ontario, Canada
Transit: Limited; primarily auto-dependent – confirm current regional options directly with the county.
Business & Permits
BUILDING & PERMITS
Office: Individual towns and villages issue building permits – contact your specific municipality
Notes: St. Lawrence County itself does not centrally issue building permits.
Veterans Services
VETERANS SERVICES
County VSO: St. Lawrence County Veterans Service Agency – located at the Human Services Center on Route 310, Canton, NY
Libraries
LIBRARIES
System: Canton Free Library – Canton, NY
Services: Serves Canton and surrounding St. Lawrence County communities.
Parks & Recreation
PARKS & RECREATION
Key Assets: St. Lawrence County is genuinely the largest county in New York State by land area – spanning about 2,686 square miles, it is also the fifth-largest county east of the Mississippi River – a rural expanse of farms, forests, and small towns bordered on the north by the St. Lawrence River and Ontario, Canada; the county is home to the Frederic Remington Art Museum in Ogdensburg, housing an extensive collection of paintings, sculptures, and illustrations by Remington, the celebrated artist renowned for capturing the spirit of the American West; the county is also a genuine center of higher education in Northern New York, home to St. Lawrence University (founded 1856) in Canton, SUNY Canton, SUNY Potsdam (founded 1816), and Clarkson University (founded 1896) in Potsdam; the St. Lawrence Seaway’s Eisenhower Lock in Massena is a genuine engineering marvel, raising and lowering massive ocean-going vessels as they travel between the Atlantic Ocean and the Great Lakes; agriculture, particularly dairy farming, remains a dominant feature of the county’s rural landscape
Notes: St. Lawrence County’s genuine status as New York’s largest county by area, home to the Frederic Remington Art Museum and four major colleges and universities, makes it one of the more distinctive counties found anywhere in this project.
GIS & Maps
GIS & MAPS
GIS Portal: St. Lawrence County GIS – accessible via stlawco.gov
Parcel Search: St. Lawrence County Real Property Tax Service – Canton, NY
Addressing/911: Coordinated through St. Lawrence County Office of Emergency Services
Animal Services
ANIMAL SERVICES
Facility: St. Lawrence County SPCA (St. Lawrence Valley SPCA) – 6718 Highway 68, Ogdensburg, NY 13669 | (315) 393-5191
Services: Genuinely an independent nonprofit – not a county agency – operating on 4.5 acres about two miles south of Ogdensburg; has served the region for roughly 100 years, sustained in part by an endowment from land and estate gifts.
Environmental & Waste
ENVIRONMENTAL / WASTE MANAGEMENT
Environmental Complaints: NYS Department of Environmental Conservation (DEC) – dec.ny.gov; St. Lawrence County Solid Waste Department handles county waste programs
Notes: Contact your specific municipality directly for current refuse collection and recycling program details.
NOTES
St. Lawrence County is genuinely the largest county in New York State by land area, home to the Frederic Remington Art Museum and four major colleges and universities. All contact information above was sourced from official county, town, library, and shelter pages as of this writing; phone numbers and hours should be reconfirmed directly with the relevant office before a visit.
About St. Lawrence County
St. Lawrence County is New York’s largest county by land area – nearly 2,821 square miles of terrain that ranges from the St. Lawrence River valley (the Seaway Valley) along the Canadian border to the foothills of the Adirondacks in the east. The county borders Ontario and Quebec, and the international crossings at Ogdensburg and Massena connect it to Canada in ways that shape local commerce, family ties, and cultural identity. Ogdensburg is the county’s largest city and hosts significant Canadian cross-border retail traffic; Massena is the county’s industrial center, home to the Alcoa/Arconic aluminum smelter that has operated since 1958 and the New York Power Authority’s Robert Moses – Niagara Power Plant and the St. Lawrence-FDR Power Project.
What distinguishes St. Lawrence County’s intellectual life is its unusual concentration of higher education for a rural county. Canton (the county seat) hosts SUNY Canton and St. Lawrence University, a liberal arts institution with national rankings and a strong environmental studies program anchored by the surrounding landscape. Potsdam hosts both SUNY Potsdam (home to the Crane School of Music, one of the nation’s top music conservatories) and Clarkson University, a technical university with particular strengths in engineering and environmental science. Four colleges in a county of 105,000 people – the ratio is extraordinary, and the combined student and faculty population gives the county a cultural and intellectual vitality that its rural character would not otherwise support.
All Services
Browse every category and topic available for this county.
St. Lawrence County municipalities assess at varying percentages of market value; many rural towns have not conducted revaluations in years, creating significant divergence between assessed and market values. Basic STAR reduces school taxes for primary residences (income under $500,000); Enhanced STAR for seniors 65+ (income ≤ $107,300 in 2025) is typically a state check. Grievance Day is the third Tuesday of May; SCAR provides a residential appeal path. New York estate tax applies above $7.16 million; no New York inheritance tax.
Courts & Legal
Courts & Legal
SENIOR SERVICES
St. Lawrence County Office for the Aging
80 State Highway 310, Suite 2, Canton, NY 13617
Phone: (315) 386-4730
Senior transportation, Meals on Wheels, caregiver support, home modification, energy assistance, and long-term care counseling for St. Lawrence County residents.
Senior Services
St. Lawrence County Office for the Aging
80 State Highway 310, Suite 2, Canton, NY 13617
Phone: (315) 386-4730
Senior transportation, Meals on Wheels, caregiver support, home modification, energy assistance, and long-term care counseling for St. Lawrence County residents.
Marriage & Vital Records
Marriage licenses, divorce records, and birth & death certificates are handled by the following office(s):
COUNTY CLERK
48 Court St, Canton, NY 13617
(315) 379-2237
Genealogy
County-level record sources
St. Lawrence County Surrogate’s Court, Canton (probate case files – see Probate section above). County land records date to 1802.
St. Lawrence County Historical Association and Silas Wright Museum, Canton.
Owen D. Young Library, Park Street, Canton – holds regional archival collections.
Local societies
St. Lawrence County Historical Association, confirmed, Canton.
Probate & Estate
Losing someone and having to deal with courts and paperwork at the same time is hard. This section won’t make that easier, but it should tell you what to expect, what it costs, and where to go – so at least you’re not walking in blind.
Where to go
St. Lawrence County Surrogate’s Court St. Lawrence County Courthouse, 48 Court Street, Canton, NY 13617 (315) 379-2260
St. Lawrence County is in New York’s North Country along the St. Lawrence River, New York’s largest county by land area, seated in Canton.
Step 1: figure out which path applies
New York probate and estate administration is governed by the Surrogate’s Court Procedure Act (SCPA) and handled by the Surrogate’s Court in the county where the decedent was domiciled. New York has 62 counties, each with its own Surrogate’s Court.
Voluntary Administration / Small Estate Affidavit (SCPA Article 13) – available when the decedent’s PERSONAL property (not real property) has a gross value of $50,000 or less, excluding certain property automatically set aside for a surviving spouse or children under 21 (EPTL 5-3.1). Owning real property does NOT disqualify an estate from this process – only the personal property counts toward the $50,000 cap. The filing fee is just $1.00.
Probate – required when there’s a valid will and the estate exceeds the small-estate threshold or involves real property.
Administration – required when the decedent died intestate (no will); the Surrogate’s Court appoints an administrator following the statutory priority order under SCPA 1001.
Step 2: filing for probate or administration
File the will (if any) with the Surrogate’s Court in the county where the decedent was domiciled, along with a probate or administration petition. St. Lawrence County requires e-filing via NYSCEF for most Surrogate’s Court proceedings.
The court issues Letters Testamentary (with a will) or Letters of Administration (without a will) to the appointed fiduciary.
The fiduciary notifies creditors and beneficiaries and inventories the estate’s assets.
Debts, expenses, and any required New York State Estate Tax are paid.
The fiduciary distributes the remaining assets according to the will or New York’s intestacy law and files a final accounting to close the estate.
What it costs
Voluntary Administration filing fee: $1.00. Full probate/administration filing fees start at $45 for smaller estates and scale upward with estate value.
UNIQUE TO NEW YORK: New York imposes its own separate state ESTATE TAX. For 2026, the New York basic exclusion amount is $7,350,000 – estates at or below that owe no state estate tax. New York has an unusual “cliff”: if the estate’s value exceeds the exclusion by more than 5% (over $7,717,500 in 2026), the ENTIRE estate becomes taxable from the first dollar. No portability between spouses. Rates range from about 3.06% to 16%.
New York has no separate state inheritance tax.
Probate filings, estate administration, and guardianship matters are handled by the following office(s):
Public Safety & Arrests
Arrest records, inmate search, and law enforcement services are handled by the following office(s):
SHERIFF
48 Court St, Canton, NY 13617
(315) 379-2222
Elections & Voting
Voter registration, polling locations, and elections information are handled by the following office(s):
BOARD OF ELECTIONS
48 Court St, Canton, NY 13617
(315) 379-2299
Health & Human Services
Offices & Contacts
Health services, social services, and assistance programs are handled by the following office(s):
Public Health Department
80 State Hwy 310, Canton, NY 13617
(315) 386-2325
Social Services
6 Judson St, Canton, NY 13617
(315) 379-2111
Public Health Information
PUBLIC HEALTH
Office: St. Lawrence County Public Health Department – 80 State Highway 310, Suite 2, Canton, NY 13617
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Last verified June 2026
County Facts
County Seat: Canton
Population: 107,000
Tier: 3
Inmate Services
Care Packages
Send care packages to inmates in St. Lawrence County facilities via Amazon.
