Nestled in the Ozark foothills of northeastern Oklahoma, Delaware County is home to Grand Lake o' the Cherokees, one of the state's premier recreation destinations, and the historic county seat of Jay, where the Delaware County Courthouse anchors a community rich in Cherokee and Delaware tribal heritage. For reliable process serving throughout Delaware County's lake communities and towns, contact Just Legal Solutions at (539) 367-6832 or visit /contact.
Judicial District 13, Delaware County
Delaware County Courthouse
327 S 5th St, Jay, OK 74346
🕐 Mon-Fri 8:00 AM - 4:30 PM
Serves: Jay, Grove, South Coffeyville
Tribal Jurisdiction Note
McGirt v. Oklahoma ruling and tribal jurisdiction may apply to criminal matters in this area. We coordinate with tribal courts and recommend confirming venue with your attorney.
Serving businesses and employees in Delaware County
| Employer | Address | Industry | Service Notes |
|---|---|---|---|
| Delaware Tribe of Indians | 5100 Tannerway Dr, Bartlesville, OK 74006 | Tribal Government | Tribal HR and legal compliance |
| Grand Lake Casino | 24701 S 655 Rd, Grove, OK 74344 | Gaming/Hospitality | 1,500+ employees |
| Grove Public Schools | 1380 E 20th St, Grove, OK 74344 | Education | 600+ employees |
| Jay Public Schools | 312 S 6th St, Jay, OK 74346 | Education | 300+ employees |
| Delaware County Government | 327 S Main St, Jay, OK 74346 | Government | Courthouse complex |
| INTEGRIS Grove Hospital | 1001 E 18th St, Grove, OK 74344 | Healthcare | 400+ employees |
| Walmart Supercenter | 2115 S Main St, Grove, OK 74344 | Retail | 200+ employees |
Transparent tiered pricing for Delaware County, full rates on our pricing page
Standard Service
2–3 business days
3 attempts · GPS affidavit · Photo docs
Rush Service
Next business day
Priority scheduling · All features
Same-Day Service
Call before noon
Immediate deployment · Delaware County coverage
Standard, rush, and same-day tiers available in Delaware County. See current rates at /pricing.
Local process serving questions answered
The Delaware County Courthouse is located at 327 S 5th Street in Jay, Oklahoma 74346. The Court Clerk's office can be reached at 918-253-4420 and is open Monday through Friday from 8:00 AM to 4:30 PM.
Delaware County is part of Oklahoma's 13th Judicial District, which also includes Ottawa County. The district court handles civil, criminal, probate, juvenile, domestic relations, and small claims matters.
Yes. Delaware County was historically the Delaware District of the Cherokee Nation, and today the entire county falls within the Cherokee Nation reservation. When serving process on tribal members or on tribal trust lands, special rules regarding tribal court jurisdiction may apply.
The largest city in Delaware County is Grove, which sits on the shores of Grand Lake o' the Cherokees and has approximately 7,300 residents. The county seat is Jay with about 2,450 residents. Other incorporated towns include West Siloam Springs, Colcord, Kansas, Bernice, and Oaks.
Grand Lake o' the Cherokees draws many seasonal residents and vacation property owners. Serving process at lake properties can be challenging during off-peak seasons when homes may be vacant. Process servers should verify occupancy before attempting service and may need to make multiple attempts during peak visitation periods.
Delaware County was created at Oklahoma statehood in November 1907. It is named for the Delaware Indians (Lenape people), who established Delaware Town in the area around 1820 after allying with the Cherokee against the Osage. The area was known as the Delaware District of the Cherokee Nation prior to statehood.
Available 24/7 for urgent legal document service across Delaware County
GPS-verified coverage throughout Delaware County
Professional process serving throughout this area
GPS-tracked, notarized, and court-ready in Delaware County.
Use these pages to compare service speed, methods, and filing support before scheduling service in your county.
(539) 367-6832 · From $60 · Same-Day Available
