Marin County Probate: A Complete Guide for Executors and Families

Marin County is one of the wealthiest counties in California, with median home values consistently among the highest in the nation. For executors and families administering estates in Marin — from Tiburon and Belvedere to Mill Valley, Ross, and the Marin Headlands — the probate process follows California law but has its own court procedures, scheduling patterns, and local real estate dynamics that differ meaningfully from neighboring San Francisco County.

The Marin County Superior Court

Probate matters in Marin County are handled by the Marin County Superior Court, located at 3501 Civic Center Drive in San Rafael. Unlike San Francisco, which has a dedicated Probate Department (Department 204), Marin County probate cases are assigned to civil departments on a rotating basis. The court's main probate filing window is located on the first floor of the Civic Center, and the clerk's office can be reached at (415) 444-7000.

Marin County's probate caseload is lighter than San Francisco's, which generally means faster hearing scheduling — typically four to six weeks from filing, compared to six to eight weeks in San Francisco. For executors managing time-sensitive estates, this difference can be meaningful.

Filing Requirements and Initial Steps

The probate process in Marin County begins with filing a Petition for Probate at the Superior Court clerk's office. The petition must be accompanied by the original will (if one exists), a certified copy of the death certificate, and the filing fee (currently $435 for most estates). If the estate includes real property, a Preliminary Change of Ownership Report (PCOR) must also be filed with the Marin County Assessor's office.

After filing, the court will set a hearing date and assign a case number. The petitioner must publish the Notice of Petition to Administer Estate in a Marin County newspaper of general circulation for three consecutive weeks before the hearing. The Marin Independent Journal and the Pacific Sun are both approved publications for this purpose.

Marin County Real Estate and Probate

Marin County's real estate market presents unique opportunities and challenges for probate property sales. The county's desirability — driven by its proximity to San Francisco, exceptional schools, natural beauty, and limited housing inventory — means that estate properties often attract strong buyer interest. However, the market is also highly seasonal and price-sensitive, with significant variation between neighborhoods.

Probate properties in Marin County frequently include single-family homes in Mill Valley, Corte Madera, San Rafael, and Novato; waterfront properties in Tiburon, Belvedere, and Sausalito; and larger estate properties in Ross, Kentfield, and Greenbrae. Many of these properties have been held by families for decades and may require updating before sale — a consideration that affects both pricing strategy and the timeline for bringing the property to market.

The 90% appraisal rule applies equally in Marin County. The court-appointed probate referee will appraise the property, and any sale that requires court confirmation must achieve at least 90% of that appraised value. As in San Francisco, executors with full IAEA authority can sell without court confirmation, which is strongly recommended for most Marin County estates.

Key Differences from San Francisco Probate

While the legal framework is identical — both counties follow California Probate Code — there are practical differences that executors should understand. Marin County's smaller court staff means that complex or unusual petitions may take longer to process than in San Francisco, where the dedicated probate department has more specialized experience. On the other hand, Marin's lighter caseload generally means faster hearing dates and more predictable scheduling.

Marin County also has a more concentrated network of probate attorneys, many of whom practice exclusively in Marin and have established relationships with the court. Working with a Marin-based probate attorney who regularly appears before the Superior Court can meaningfully streamline the process.

For real estate, the key difference is market dynamics. Marin County properties — particularly waterfront and view properties — can be significantly more difficult to appraise accurately than San Francisco properties, where comparable sales data is more abundant. A probate referee's appraisal that is based on limited comparable data may not reflect true market value, which is why working with a real estate specialist who knows the Marin market intimately is essential to achieving maximum value for the estate.

Common Marin County Probate Scenarios

Several estate scenarios are particularly common in Marin County. Long-held family homes — properties purchased decades ago for a fraction of their current value — often trigger significant capital gains tax considerations upon sale, requiring careful coordination between the executor, probate attorney, and CPA. Properties with view easements, deed restrictions, or homeowners association obligations require additional due diligence before sale. And estates that include both Marin County and San Francisco real property may require coordination between both courts.

If you are serving as executor for a Marin County estate that includes real property, a free property valuation from a specialist who knows both the probate process and the Marin market is the most valuable first step you can take toward a successful administration.