Trumbull County is named for Jonathan Trumbull, who was a Governor of Connecticut when the county was organized.
Surrounding County Courthouses:
N – Ashtabula County
E – Mercer County, Pennsylvania
S – Mahoning County
W – Stark County, Portage County and Geauga County
Created: July 10, 1800 
County Seat:
Warren 1800 – present
County Courthouse – Warren
Location: 161 High Street / North Park Avenue
Built: 1895 – 1897
Style: Richardsonian Romanesque
Architect: LaBelle and French of Marion, Indiana
Contractor: E M Campfield of Finley
Description: The building faces south and is a three story course buff colored Amherst limestone structure. The building is located on spacious landscaped grounds in the center of Warren. The south front has three large arches at the central entrance with a round stone tower on each side. On the second story is a balcony with large arched window and rising to a peak at the third story. On each corner of the building are projecting sections rising to a peak. On the center of the roof is a large round clock tower with green colored dome and small cupola at the top. The green colored roof is sloped. In the interior, the corridors have Romanesque colors of terra cotta tones above white colored marble wainscot. The stairways feature pink colored Tennessee marble. The first story has the Memorial Room on the east end; on the second story is the east courtroom No. 4 with Louis XIV ornamentation in cerulean blue and old rose and courtroom No. 3 and on the third story is courtroom No. 1 with olive and chamois tones of Renaissance decoration, judge’s oak bench and paneled oak and courtroom No. 2 with quiet green effects and fireplace of green colored tile. The building houses the County Court of Common Pleas – General and Probate Divisions. The building was restored in 1993. The architect was Van Dijk, Pace, Westlake Architects of Cleveland and the contractor was Jack Gibson Construction Company of Warren.
County Justice Center – Warren
Location: 150 High Street / North Park Avenue
Built: 1995 – 1997
Style: Modern
Architect: The V Group /VS Architects Inc.
Contractor: Jack Gibson Construction Company
Description: The building faces south and is a three story red colored brick and concrete structure. The building is located on the north side of the courthouse and next to the County Administration Building. The south front has a large framed entrance with recessed doorway. On the east side of the front, the building is curves outward. A horizontal band runs along the roof line with sloped roof. On the north side is a seven story section which extends east to North Park Avenue. This section has a flat roof line.
History: The county was created in 1800 and Warren was selected as the county seat. The county used rented premises and the first courthouse was built in 1815. The second courthouse was built by Richards and Logan of Poland in 1854 to 1856. The courthouse was destroyed by fire on March 25, 1895. The Packard Block North Park Avenue served as the third courthouse. The fourth and present courthouse was constructed in 1895 to 1897. The County Justice Center was constructed in 1995 to 1997.
County Administration Building – Warren
Location: 150 High Street / North Park Avenue
Built: 1999 – 2000
Style: Modern
Architect: Ricciuti, Balog & Partners Architects
Contractor: Jack Gibson Construction Company
Description: The building faces south and is a five story red and buff colored brick and concrete structure. The building is located on the north side of the courthouse and next to the County Justice Center. The south front has a two story curved portico supported by four concrete columns rising to a flat roof. The entrance is recessed. The first two stories are dark red colored brick and the upper stories are buff colored brick. A horizontal band runs above the second story and along the flat roof line.
See: The Ohio Court of Appeals – Warren is located in the county.
County Courthouse – Warren
County Justice Center – Warren
County Administration Building – Warren
Photos taken 2010 and 2015