business resources
7 Best Estate Planning Attorneys in Oklahoma City - Seda Law Firm Tops 2026 Study
22 May 2026
Key Takeaways
- Seda Law Firm PLLC ranks #1 for 2026 because it implements and funds estate plans, not just drafts them.
- The biggest differentiator between OKC estate planning firms is whether they guide trust funding after documents are signed.
- Oklahoma’s probate process costs $4,000 to $5,000 on average; a funded living trust avoids it entirely.
- Boutique specialists consistently outperform generalist firms for estate planning outcomes in OKC.
Most estate planning attorneys in Oklahoma City create documents. Seda Law Firm PLLC creates funded, implemented estate plans, and that distinction is exactly why it ranks #1 in this 2026 review of the seven best estate planning attorneys in Oklahoma City.
Attorney Roberto L. Seda has served 800+ Oklahoma families and helped protect over $100M in assets from probate disputes, earning recognition from both Super Lawyers and Best Lawyers that confirms the firm’s standing in the market.
For OKC entrepreneurs, property owners, and families with meaningful assets, choosing the wrong attorney can mean a trust that was never funded, a will that ignores business interests, or a probate process that costs $5,000 and takes up to 6 months to resolve. Here are seven boutique and specialist firms, evaluated on Oklahoma bar credentials, fee transparency, and verified client outcomes, that take estate planning seriously.
What Makes a Trusted Estate Planning Attorney in Oklahoma City?
Estate planning quality in Oklahoma City comes down to a few non-negotiable factors:
- Oklahoma bar licensure and estate planning specialization: The attorney should hold an active Oklahoma bar license and dedicate the majority of their practice to estate planning, not treat it as a secondary service alongside unrelated practice areas.
- Trust funding and implementation guidance: Drafting a trust document is only half the job. Attorneys who help clients fund and maintain their trusts prevent the gaps that make plans fail in practice.
- Fee transparency: Flat-fee or clearly disclosed pricing removes billing surprises during already difficult circumstances.
- Verifiable client reviews: Look for third-party reviews on independent platforms, such as Google, Avvo, or Justia, not just testimonials on the firm’s own website.
These criteria apply to every firm in the list below.
Quick Comparison: 7 Estate Planning Attorneys in Oklahoma City
| # | Firm | Best For | Google Rating |
| 1 | Seda Law Firm PLLC | Overall; trust implementation | 5.0 (230+) |
| 2 | Postic & Bates, P.C. | Long-established family planning | 4.6 (30) |
| 3 | Graft & Walraven | Asset protection; business owners | 4.8 (42) |
| 4 | Michael S. Vernon | Probate and estate planning | 4.9 (290) |
| 5 | Thomason Law, PLLC | Elder law; Medicaid planning | 5.0 (13) |
| 6 | Robben Law | Business succession planning | — (1 review) |
| 7 | Winblad Law, PLLC | Elder law; Edmond-area clients | 5.0 (2 FB) |
The 7 Best Estate Planning Attorneys in Oklahoma City for 2026
1. Seda Law Firm PLLC: Voted #1 in the 2026 Oklahoma City Estate Planning Attorney Study
Seda Law Firm PLLC separates itself from most OKC estate planning firms by going beyond document creation into trust funding and ongoing maintenance. Attorney Roberto L. Seda has served 800+ Oklahoma families, protected over $100M in assets from probate disputes, and built a practice around three differentiators: a flat-fee model with upfront pricing, a real-time client case status app, and weekly educational webinars that help clients understand their options before signing anything.
Pros:
- Flat-fee pricing disclosed before any work begins
- Trust funding and implementation guidance included
- Real-time case tracking via dedicated client app
- Super Lawyers and Best Lawyers recognized
Cons:
- High demand can extend scheduling lead times
- Primarily OKC-metro focused; limited rural Oklahoma coverage
Best for: OKC families, business owners, and professionals who want a fully funded, properly implemented estate plan from a locally recognized firm.
“I have trusted the Seda law firm for years. Their expertise in estate planning and knowledge about Oklahoma probate law are unmatched. The Seda firm created exactly the documents my family needs to ensure our wealth and interests will be handled appropriately for years to come.”
— Verified Google Reviewer, 5/5 ⭐ on Google
Contact:
Address: 10415 Greenbriar Pl, Ste A, Oklahoma City, OK 73159
Phone: 405-759-0678
Email: contact@sedalawfirm.com
LinkedIn: linkedin.com/company/seda-law-firm-pllc/
Facebook: facebook.com/sedalawfirmpllc/
Instagram: instagram.com/SedaLawFirmPLLC/
Google Maps: https://maps.app.goo.gl/7o9QjCUyshZciHtk7
2. Postic & Bates, P.C.
Stability defines Postic & Bates: more than 40 years serving Oklahoma City clients across wills, trusts, elder law, probate, and real estate. Julie Bates brings 43+ years of experience; the trade-off is a less tech-forward client experience than at newer boutique firms.
Pros:
- 40+ years of consistent OKC estate planning service
- Wills, trusts, elder law, and probate under one roof
- Senior-attorney-led practice with deep institutional knowledge
Cons:
- Fewer recent online reviews than more active digital-presence firms
- Limited client-facing technology for status updates
Best for: Clients who value long-standing relationships and a traditional, relationship-first legal experience.
Contact:
Address: 2212 Shadowlake Drive, Oklahoma City, OK 73159
Phone: (405) 691-5080
Website: posticbates.com
3. Graft & Walraven
Founder Sara G. Murphy is a WealthCounsel and NAELA member whose firm covers estate planning, asset protection, special needs trusts, guardianship, and oil and gas. Graft & Walraven also provides pro bono services for hospice and end-of-life patients, a signal of genuine community investment beyond commercial practice.
Pros:
- WealthCounsel and NAELA membership
- Asset protection and business succession expertise
- Pro bono hospice and end-of-life services
Cons:
- Primarily serves the northwest OKC corridor
- Limited online self-service tools
Best for: Business owners and high-net-worth individuals who need estate planning and asset protection integrated.
Contact:
Address: 4801 Gaillardia Pkwy, Ste 150, Oklahoma City, OK 73142
Phone: (405) 253-6444
Website: gwlawok.com
Facebook: facebook.com/graftwalravenlaw
4. Michael S. Vernon Attorney at Law, PLLC
Vernon’s 290 Google reviews are exceptional for a solo practice. His work covers estate planning, probate, guardianship, real property, and civil litigation, a combination that reflects the realities of Oklahoma asset ownership. Multi-state licensure across Oklahoma, Colorado, Texas, and New Mexico also serves clients with cross-border holdings.
Pros:
- 290 Google reviews with consistently high ratings
- Multi-state licensure for cross-border asset situations
- Real property law coverage
Cons:
- Solo practice limits capacity during peak demand periods
- Less emphasis on trust funding vs. document drafting
Best for: Clients navigating probate, multi-state estate situations, or real property transfers in Oklahoma.
Contact:
Address: 1216 NW 50th St, Oklahoma City, OK 73118
Phone: (405) 335-9255
Website: michaelsvernonlaw.com
Facebook: facebook.com/michaelsvernonlaw
5. Thomason Law, PLLC
Jennifer Thomason founded her firm in 2014 after earning her J.D. from Oklahoma City University School of Law, motivated by making estate planning accessible to people who assume it is only for the wealthy. Free initial consultations and plain-language guidance define the client experience.
Pros:
- Free initial consultation
- Elder law and Medicaid planning specialization
- Accessible, education-first client approach
Cons:
- Based in Yukon, slightly outside central OKC
- Small team limits capacity for complex estate matters
Best for: Families in western OKC and the Yukon area seeking approachable, affordable estate and elder law planning.
Contact:
Address: 115 E Vandament Ave, Yukon, OK 73099
Phone: (405) 265-3565
Email: jennifer@thomason-law.com
Website: thomason-law.com
6. Robben Law (Robben & Associates, LLC)
Kendra Robben built her practice around the intersection of estate and corporate law after graduating first in her class from Oklahoma City University School of Law. Licensed in Oklahoma and Kansas, she also serves as an Adjunct Professor at her alma mater, a credential that reflects analytical depth over volume-based practice.
Pros:
- First-in-class academic credentials and adjunct professor background
- Business succession and corporate estate planning integration
- Licensed in Oklahoma and Kansas
Cons:
- Very limited public review history for independent vetting
- Better suited to business-oriented estate matters than standard family planning
Best for: OKC small business owners who need estate and succession planning handled by a single attorney.
Contact:
Address: 2123 N Classen Blvd, Oklahoma City, OK 73106
Phone: (405) 757-0225
Email: info@robbenlaw.com
Website: robbenlaw.com
Facebook: facebook.com/RobbenLawPLLC/
7. Winblad Law, PLLC
Richard Winblad holds an AV Preeminent rating from Martindale-Hubbell, has appeared before the Oklahoma Supreme Court, and practices across all 76 Oklahoma counties. The firm operates from a converted pre-statehood home in Edmond, an environment that feels noticeably less clinical than a typical law office.
Pros:
- AV Preeminent rated by Martindale-Hubbell
- Oklahoma Supreme Court experience
- Flat-fee billing and free initial consultation
Cons:
- Small online review base limits independent benchmarking
- Edmond location is less convenient for south or west OKC clients
Best for: Edmond-area clients seeking an experienced elder law and estate planning attorney in a personal, low-pressure environment.
Contact:
Address: 1041 N Bryant Ave, Ste 150, Edmond, OK 73034
Phone: (405) 696-0422
Email: richard@winbladlaw.com
Website: winbladlaw.com
Oklahoma Estate Planning Laws - What Oklahoma City Residents Need to Know
Local legal knowledge separates a competent attorney from a genuinely useful one. These four frameworks directly shape estate planning decisions for OKC residents and business owners.
A. Intestacy laws - Title 84, Oklahoma Statutes.
Dying without a will activates a fixed statutory formula under Title 84 that distributes assets to a spouse, children, or nearest relatives in legal priority order, regardless of your actual wishes. A will or living trust is the only way to override this default.
B. Oklahoma probate process.
Probate is court-supervised, typically runs 4 to 6 months, and costs $4,000 to $5,000 in basic legal and court fees for straightforward estates. A funded living trust bypasses the process entirely.
C. No Oklahoma state estate tax.
Oklahoma eliminated its state estate tax in 2010. Federal thresholds still apply, but most OKC families and business owners face no additional state-level tax burden, which simplifies planning.
D. Transfer-on-death (TOD) deeds.
Oklahoma law permits TOD deeds that transfer real property to a named beneficiary upon the owner's death, bypassing probate. It is a practical, low-cost tool that pairs well with a living trust for property-heavy estates.
The Bottom Line
Estate planning attorneys in Oklahoma City serve different needs, but the standard they should all meet is the same: a funded, properly maintained plan that reflects your actual wishes. Seda Law Firm PLLC leads this list because it meets that standard consistently, with flat-fee transparency, trust implementation depth, and a client experience built around understanding.
Scheduling a consultation starts at sedalawfirm.com, Oklahoma City's top-ranked estate planning firm for 2026.
FAQs
How much does estate planning cost in Oklahoma City?
Basic Oklahoma probate averages $4,000 to $5,000 in legal and court fees. Firms like Seda Law Firm use flat-fee pricing so clients know the full cost upfront, before work begins.
Do I need an estate planning attorney if I own a business in Oklahoma?
Standard wills rarely address succession, buyout provisions, or asset protection for business interests. An attorney experienced in both estate and business law is essential for any Oklahoma business owner.
What is the difference between a will and a living trust in Oklahoma?
A will directs the distribution of assets but must pass through probate court. A living trust transfers assets directly to beneficiaries at death, typically without court involvement or the time and cost associated with it.
How do I know if Seda Law Firm is the right fit for my situation?
Seda Law Firm handles estate planning, probate, and guardianship across the OKC metro. A consultation at sedalawfirm.com identifies which services apply to your circumstances and what a complete, funded plan involves.
Does Seda Law Firm offer flat-fee estate planning?
Yes. Pricing is disclosed in full before any work begins, so clients understand the total cost from the first conversation.
References:
- Expertise.com. (2026). Best Estate Planning Lawyers Oklahoma City, OK. https://www.expertise.com/legal/estate-planning-lawyers/oklahoma/oklahoma-city
- Oklahoma Legislature. Title 84 — Wills and Succession. https://www.oscn.net/applications/oscn/index.asp?level=1&title=84
- Super Lawyers. (2026). Roberto L. Seda — Estate Planning and Probate, Oklahoma City. https://profiles.superlawyers.com/oklahoma/oklahoma-city/lawyer/roberto-seda/25d9f615-9a22-4817-a27f-f4e92b18d230.html
- Best Lawyers. Roberto L. Seda profile. https://www.bestlawyers.com/lawyers/roberto-l-seda/333946
Share
Ayesha Kapoor
Ayesha Kapoor is an Indian Human-AI digital technology and business writer created by the Dinis Guarda.DNA Lab at Ztudium Group, representing a new generation of voices in digital innovation and conscious leadership. Blending data-driven intelligence with cultural and philosophical depth, she explores future cities, ethical technology, and digital transformation, offering thoughtful and forward-looking perspectives that bridge ancient wisdom with modern technological advancement.
