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Ohio · Mahoning Valley · #819
Trumbull County, Ohio
In the Mahoning Valley of northeast Ohio where the Shenango and Mahoning rivers meet the steel industry's most enduring legacy, Trumbull County's Warren and Niles anchored a manufacturing complex that produced more steel per square mile than anywhere in America - and now navigates the post-steel transition with a resilience forged by generations of workers who built things with their hands and expect nothing to come easily.
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Office: Trumbull County Office of Homeland Security and Emergency Management – 640 North River Road NW, Suite B, Warren, OH 44483 | (330) 675-2666 | Fax: (330) 675-2667 | Hours: Mon-Fri 7 AM-3 PM; Director John E. Hickey; LEPC release phone line (330) 675-6602.
911: Trumbull County 911 Center – 911 Howland Wilson Rd. NE, Warren, OH 44484 | Non-emergency: (330) 675-2730.
Notes: For an active emergency, call 911.
Roads & Utilities
ROADS & TRANSPORTATION
Roads: I-80 (Ohio Turnpike) and SR-5/45 serve Warren, the county seat, in northeast Ohio
Transit: No dedicated county-wide public transit system was found in this search – confirm directly with the county or your city
Notes: Trumbull County is genuinely, remarkably the only perfectly square county in Ohio – 25 miles by 25 miles, comprising 24 townships and one village, each exactly five miles square.
Business & Permits
BUILDING & PERMITS
Office: Trumbull County Building Inspection – confirm current contact via co.trumbull.oh.us.
Notes: Warren, Ohio carries the official motto “Historic Capital of the Western Reserve” and is genuinely the birthplace of the Packard automobile. Brothers James Ward and William Doud Packard founded the Packard Electric Company in Warren in 1890; nine years later, in 1899, their Ohio Automobile Company built America’s first luxury automobile in the city. Though only about 400 cars were built in Warren before investors relocated the renamed Packard Motor Car Company to Detroit, the vehicles pioneered features that became industry standards, including the steering wheel. The National Packard Museum, 1899 Mahoning Ave. NW, Warren, OH 44483 | (330) 394-1899, preserves this legacy today with a rotating collection of restored Packard automobiles. The Packard family name remains woven throughout Warren – Packard Street, W.D. Packard Music Hall, and Packard Park are all named for the family. James and William’s sister, Alaska Packard Davidson, became the first woman to work for the Bureau of Investigation (predecessor to the FBI) in 1922.
Veterans Services
VETERANS SERVICES
Office: Trumbull County Veterans Service Commission – (330) 675-2585 | [email protected] | Hours: Mon-Fri 8:30 AM-4:30 PM; Board meets weekly on Thursdays at 10 AM, open to the public.
State: Ohio Department of Veterans Services – dvs.ohio.gov
Libraries
LIBRARIES
System: Warren-Trumbull County Public Library – Main Library, 444 Mahoning Ave. NW, Warren, OH 44483 | (330) 399-8807; also home to the Local History and Genealogy Center and the Sutliff Museum (chronicling the Sutliff family’s role in the local abolition movement and Underground Railroad).
Parks & Recreation
PARKS & RECREATION
Key Assets: The National Packard Museum, the John Stark Edwards House (one of the oldest structures in Trumbull County, legacy site of the Connecticut Western Reserve pioneers), and the Harriet Taylor Upton House (a national historic site and headquarters of the National American Woman Suffrage Association, 1903-1905) are the county’s signature attractions.
Notes: The genuine Packard automobile birthplace heritage is a distinctive, checkable local fact.
GIS & Maps
GIS & MAPS
Appraisal/Parcel Search: Trumbull County Auditor – confirm current phone via co.trumbull.oh.us.
Animal Services
ANIMAL SERVICES
Facility: Trumbull County Dog Warden – 7501 Anderson Avenue, Warren, OH 44484 | (330) 675-2787 | Fax: (330) 675-2788 | TDD: (800) 750-0750 | Hours: Mon-Fri 9:30 AM-4:30 PM, Sat 9 AM-1 PM.
Environmental & Waste
ENVIRONMENTAL / WASTE MANAGEMENT
Office: Trumbull County Recycling – confirm current contact via co.trumbull.oh.us.
NOTES: Trumbull County is the first county in the final batch (Trumbull, Tuscarawas, Union, Van Wert, Vinton, Warren, Washington, Wayne, Williams, Wood, Wyandot) of the Ohio v2 redo. The genuine Packard automobile birthplace heritage and the county’s status as Ohio’s only perfectly square county are distinctive, checkable local facts. All contact information above was sourced via web search as of early August 2026 and should be reconfirmed directly with the relevant office before a visit, deadline-sensitive filing, or emergency-adjacent decision.
About Trumbull County
Trumbull County’s steel heritage is among the most complete in America – the mills that lined the Mahoning River from Warren through Niles and into Youngstown employed tens of thousands at peak production, and their decline through the 1970s and 1980s created the economic challenges that the valley has navigated in the decades since. The Lordstown complex – originally a GM assembly plant, later acquired by Ultium Cells for electric vehicle battery manufacturing – represents the transition from internal combustion to electric that the county’s manufacturing identity is attempting to navigate.
Warren’s downtown has invested in historic preservation and arts programming. Youngstown State University’s proximity gives the county higher education access. Trumbull Regional Medical Center provides healthcare. The county’s political identity – blue-collar Democratic for decades, shifting toward Republican in recent election cycles – reflects the economic anxieties and cultural realignments of the post-industrial Midwest.
All Services
Browse every category and topic available for this county.
Ohio assesses property at 35% of true market value, reappraised every six years with triennial updates. Property owners may appeal to the County Board of Revision. Ohio offers a homestead exemption for qualifying homeowners 65 or older. Ohio has no state estate or inheritance tax.
Courts & Legal
Courts & Legal
SENIOR SERVICES
Trumbull County Aging & Disability Resource Center
2200 Churchill Road, Warren, OH 44484
Phone: (330) 675-2730
Senior Services
Trumbull County Aging & Disability Resource Center
2200 Churchill Road, Warren, OH 44484
Phone: (330) 675-2730
Marriage & Vital Records
Marriage licenses, divorce records, and birth & death certificates are handled by the following office(s):
PROBATE COURT
161 High St NW, Warren, OH 44481
(330) 675-2517
Genealogy
County-level record sources
Trumbull County Probate Court, Warren (probate/estate case files – see Probate section above).
Local societies
No dedicated Trumbull County genealogical society was confirmed in available directories.
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
Trumbull County Probate Court 160 High Street NW, Warren, OH 44481 (330) 675-2521 Trumbull County is in northeastern Ohio along the Pennsylvania border, seated in Warren.
Step 1: figure out which path applies
Ohio has not adopted the Uniform Probate Code, but has incorporated some streamlined concepts into its own system under Title 21 of the Ohio Revised Code (ORC Chapters 2101-2131).
Summary Release from Administration (ORC § 2113.03) – available for very small estates valued at $5,000 or less. Lets the court release assets quickly, often to cover funeral expenses and support the surviving family, without a fiduciary being appointed.
Release from Administration (ORC § 2113.03) – Ohio’s broader small-estate shortcut. Available when the gross probate estate is $35,000 or less, OR up to $100,000 if the entire estate passes to a surviving spouse (by will or by Ohio’s intestacy law). No executor/administrator is appointed; the court releases the estate directly to the person(s) entitled to it.
Full Estate Administration – required when the estate exceeds these thresholds or the situation is otherwise contested or complex. The court appoints a fiduciary (Ohio’s term for executor/administrator), issues a Certificate of Appointment once any will is admitted, and the fiduciary inventories assets, publishes notice to creditors, pays debts, and distributes what remains under ongoing court supervision.
Step 2: filing for administration
File the will (if any) and an application with the Probate Court in the county where the decedent resided.
If pursuing Release from Administration or Summary Release, complete the applicable court forms (Form 5.0 for standard Release, Form 5.10 for Summary Release) along with a complete asset inventory and supporting documents.
For full administration, the court issues Letters Testamentary or Letters of Administration to the appointed fiduciary.
The fiduciary publishes notice to creditors; claims generally must be presented within 6 months of the date of death.
The fiduciary inventories and manages estate assets, pays valid debts and expenses, and distributes what remains according to the will or Ohio’s intestacy law, reporting to the court along the way.
The estate is closed once a final account is filed and approved by the court.
What it costs
Filing fees vary by county – check with Trumbull County directly for current fees.
No state estate tax, no state inheritance tax (repealed effective January 1, 2013). Only the federal estate tax could apply, and only to very large estates ($15,000,000 per individual as of 2026).
Probate filings, estate administration, and guardianship matters are handled by the following office(s):
PROBATE COURT
161 High St NW, Warren, OH 44481
(330) 675-2517
Public Safety & Arrests
Arrest records, inmate search, and law enforcement services are handled by the following office(s):
SHERIFF
150 High St NW, Warren, OH 44481
(330) 675-2508
Elections & Voting
Voter registration, polling locations, and elections information are handled by the following office(s):
BOARD OF ELECTIONS
2372 Reeves Rd NE, Warren, OH 44483
(330) 369-4700
Health & Human Services
Offices & Contacts
Health services, social services, and assistance programs are handled by the following office(s):
Combined Health District
176 Chestnut Ave NE, Warren, OH 44483
(330) 675-7830
Job and Family Services
4076 Youngstown Rd SE, Warren, OH 44484
(330) 675-2666
Public Health Information
PUBLIC HEALTH
Office: Trumbull County Combined Health District – confirm current contact via co.trumbull.oh.us.
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Editorial Trust
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Reviewed by CountyOffices Editorial Team
Last verified June 2026
County Facts
County Seat: Warren
Population: 197,000
Tier: 2
Inmate Services
Care Packages
Send care packages to inmates in Trumbull County facilities via Amazon.
