© 2026 SimplyTrust Software Inc.
Probate in Oklahoma typically costs 2%–4% of the estate value in attorney fees58 O.S. § 525 (all necessary expenses of administration allowed; no statutory attorney fee schedule — court-determined reasonableness)Verified Jun 20, 2026, plus court filing fees, executor compensation, publication costs, and any required surety bond. Attorney fees in Oklahoma are negotiated, so the actual cost depends on the firm and complexity. Total all-in costs typically run 3-8% of estate value. The Oklahoma probate calculator gives a detailed estimate based on estate value.
Oklahoma runs supervised probate as the default, meaning the court is involved at every step of the process — hearings for executor appointment, asset inventories, accounting reports, and final distributions. That procedural overhead is what drives both the cost and the timeline of Oklahoma probate. It's also why living trusts are popular here: they bypass the court entirely.
Estate planning attorneys in Oklahoma average $296 per hourClio Legal Trends Report 2025Verified Jan 1, 2025 for wills and estates work. Flat-fee packages run roughly $888–$1,776 for a simple individual will and $2,730–$4,095 for a basic revocable trust. Online and DIY services cost $30–$300 for the same documents — see the will cost calculator for a side-by-side comparison.
Oklahoma allows estates under $50,000 to use a simplified Small Estate Affidavit procedure, which is a form rather than a court case and typically doesn't require an attorney. For larger estates, formal probate is involved enough that retaining counsel is usually practical — the procedural work is what they're there for. Use the Oklahoma probate calculator to estimate the costs.
In Oklahoma, the situations where retaining counsel is typically worth the cost are: blended families with children from prior relationships; ownership of a business, rental property, or significant investment assets; special-needs dependents who need a special-needs trust to preserve benefits; substantial property held in multiple states. If none of these describe your situation, the simpler online and DIY tools are often enough.
Search 4,014 estate law firms across 51 states.
Firm listings are for informational purposes only. SimplyTrust does not endorse or recommend any specific firm or attorney. Contact firms directly to discuss your situation and verify their current practice areas and availability.
70 firms
Ardmore Lawyers serves Carter and Love counties with estate planning, probate, trust administration, and guardianship services.
Location
1306 W BroadwayArdmore, OK 73401
Phone
(580) 226-6270
Ana Basora Walker has served southwestern Oklahoma from Lawton since 2000, providing probate and estate planning services. The office also provides bilingual services in Spanish.
Location
527 SW C AveLawton, OK 73501
Phone
(580) 351-9047
Ball Morse Lowe provides comprehensive estate planning services to individuals and families across all 77 counties in Oklahoma, offering flat fees for many services.
Location
531 Couch Dr, Suite 201Oklahoma City, OK 73102
Phone
(405) 701-5355
Service Area
Statewide
Behrnes Law serves Duncan and Stephens County with estate planning, probate, and trust administration. The firm helps clients select appropriate estate planning techniques and guides families through legal processes following a death.
Location
1881 West Spruce AvenueDuncan, OK 73533
Phone
(580) 475-4535
B.A. Law Center has over four decades of experience in estate planning and probate, serving Broken Arrow and the Tulsa metro with wills, revocable trusts, trust amendments, deed transfers, powers of attorney, and adult guardianships.
Location
2604 W Kenosha St, Suite 215Broken Arrow, OK 74012
Phone
(918) 286-8001
Baysinger Henson Reimer & Cresswell serves Owasso and the Tulsa metro with estate planning and probate, preparing wills, trusts, powers of attorney, and advance directives, and handling probate representation including will contests.
Location
8414A N 123rd East AveOwasso, OK 74055
Phone
(918) 274-4242
Benjamin C. Faulkner serves Sand Springs and the Tulsa metro with wills, trusts, and estate planning, along with trust and probate litigation and business transactions.
Location
10 W 2nd StSand Springs, OK 74063
Phone
(918) 514-0260
Billingsley & Associates serves Pontotoc County and surrounding southeastern Oklahoma communities from Ada, handling estate planning, probate, and guardianship matters.
Location
201 W Main StAda, OK 74820
Phone
(580) 559-2579
Family-owned Altus firm serving Jackson County and surrounding southwestern Oklahoma with estate planning, probate, and trust administration. The firm also handles wills, trusts, and real estate matters and offers free initial consultations.
Location
217 West Commerce StreetAltus, OK 73521
Phone
(580) 482-5551
Bundren Law Firm has been serving Tulsa since 2008, providing probate, guardianship, and elder law services to families throughout Oklahoma.
Location
900 Reunion Center, 9 E 4th StreetTulsa, OK 74103
Phone
(918) 992-3300