St. Louis County, Missouri Probate
Cost Calculator

St. Louis County, Missouri — home to approximately 1,004,125 residents and ranked as the most populous jurisdiction in Missouri — administers probate through the St.

Louis County Circuit Court, Probate Division located in Clayton. The jurisdiction's size and demographics shape both the complexity of estates that come before the court and the pace at which cases proceed through the system.

As Missouri's largest county by population with 1,004,125 residents, St. Louis County operates what is effectively the state's busiest probate court system.

The St. Louis County Circuit Court, Probate Division in Clayton processes a substantial volume of estate filings annually, necessitating dedicated probate staff, structured calendar management, and standardized filing procedures.

Be prepared for longer initial hearing wait times and more rigorous document review, but the trade-off is a court system with deep institutional knowledge of complex estate matters.

Missouri's probate system in St. Louis County — ranked 1st of the state's 115 jurisdictions by population — operates through the Circuit Court's Probate Division in Clayton.

The state distinguishes between supervised and independent administration: supervised requires court approval for significant transactions, while independent administration (when authorized by the will) allows the personal representative to act with minimal oversight. As one of Missouri's largest jurisdictions, St.

Louis County's Probate Division maintains a dedicated calendar and staff, providing efficient processing for routine matters.

St. Louis County surrounds (but does not include) the independent City of St.

Louis, comprising over 80 municipalities and unincorporated areas that make up the heart of the metro area. The county benefits from a unique regional tax district that keeps world-class institutions like the zoo and art museum free to the public.

These local economic and cultural factors directly influence probate in St. Louis County — from the types and values of assets in local estates to the complexity of property division and the availability of specialized probate attorneys in the Clayton area.

St. Louis County is home to notable landmarks and institutions including Saint Louis Zoo (in Forest Park, partly county-adjacent), Laumeier Sculpture Park, Grants Farm, Faust Park and Thornhill historic site.

For estates that include interests in local businesses, commercial real estate near these anchors, or specialized assets tied to the area's economy, probate costs can increase due to the need for professional appraisals and valuations. The St.

Louis County Circuit Court, Probate Division in Clayton handles these complex matters alongside routine estate administration.

As a major metropolitan center, St. Louis County's real estate values and cost of living tend to push estate values — and therefore probate fees — higher than in the state's rural jurisdictions.

The trade-off is a deeper pool of experienced probate attorneys and more established court procedures.

• Missouri's six-tier statutory fee schedule (RSMo § 473.153) applies to both personal representative and attorney compensation in St.
• Louis County.
• The tiers range from 5% on the first $5,000 down to 2% on amounts exceeding $1 million, with fees calculated cumulatively across brackets.
• This schedule applies uniformly across the state, but local court filing fees charged by the St.
• Louis County Circuit Court, Probate Division in Clayton vary by jurisdiction.

• Court costs in St.
• Louis County include the initial petition filing fee, bond premiums (where required), publication costs for creditor notices, and fees for certified copies.
• Missouri courts may also authorize additional compensation for extraordinary services beyond the statutory schedule, such as managing business operations, handling contested claims, or conducting complex tax planning.
• Contact the St.
• Louis County Circuit Court, Probate Division for the current filing fee schedule.

• Estate administration in St.
• Louis County proceeds through the St.
• Louis County Circuit Court, Probate Division in Clayton.
• Missouri's Probate Division handles the appointment of personal representatives, approval of inventories, and oversight of the administration process.
• The process begins with filing a petition for probate (testate) or letters of administration (intestate), followed by a hearing and the appointment of the personal representative.

• Missouri distinguishes between supervised and independent administration.
• Under supervised administration — the default unless the will provides otherwise — the personal representative must seek court approval for most significant transactions, including real property sales and distributions.
• Independent administration, when authorized, reduces court involvement and accelerates the timeline.
• In St.
• Louis County, the typical probate process runs 6-12 months, with the court's structured docket keeping cases on track.

Missouri allows estates valued below $40,000 to use a small estate affidavit to transfer assets without formal probate. In St.

Louis County — the 1st most populated of Missouri's 115 jurisdictions — the affidavit is presented directly to the institutions holding the decedent's assets rather than filed with the St. Louis County Circuit Court, Probate Division.

The affidavit can be executed no earlier than 30 days after the decedent's death and is available for both testate and intestate estates.

As one of Missouri's larger jurisdictions, St. Louis County sees a wide range of estate values.

While many local estates exceed the $40,000 threshold, the small estate affidavit remains valuable for specific asset types — particularly bank accounts and vehicle titles — even when the overall estate requires formal probate for other assets.

• St.
• Louis County, ranked 1st of Missouri's 115 jurisdictions by population, is a large metropolitan area where probate courts process high volumes of cases — having your cost estimate ready before consulting with an attorney helps you make the most of that initial meeting.

• This free probate calculator covers Missouri's statutory percentage schedule and generates instant estimates based on estate value — no account required.
• Whether you're an executor, a beneficiary, or a family member trying to understand what comes next, you can get a clear picture of expected costs for St.
• Louis County in just a few minutes.

Beyond probate costs, St. Louis County residents may need other legal tools.

Our Divorce Cost Estimator for Missouri covers filing fees, attorney costs, and mediation options across the state. For statewide legal deadlines, see the Missouri Statute of Limitations lookup.

Additional free tools: Missouri Estate Tax Calculator for federal and state estate tax exposure, Missouri Small Estate Checker to see if the estate qualifies for simplified procedures, and Missouri Homestead Exemption Calculator to understand property protections that may affect the probate estate.

• Probate rules and costs vary across Missouri's 115 counties.
• Compare St.
• Louis County with other jurisdictions: Jackson County, [St.
• Charles County](/probate-calculator/missouri/st-charles-county), [City of St.
• Louis](/probate-calculator/missouri/city-of-st-louis), Greene County.

Each county page covers local court procedures, filing fees, small estate thresholds, and an interactive probate cost calculator pre-set for that county's specific rules.

• Probate rules and costs vary across Missouri's 115 counties.
• Compare St.
• Louis County with other jurisdictions: Jackson County, [St.
• Charles County](/probate-calculator/missouri/st-charles-county), [City of St.
• Louis](/probate-calculator/missouri/city-of-st-louis), Greene County.

Each county page covers local court procedures, filing fees, small estate thresholds, and an interactive probate cost calculator pre-set for that county's specific rules.