Top Estate Planning Attorneys in Hidden Hills, CA (2026)

Hidden Hills is one of California’s smallest incorporated cities, with about 1,725 residents across roughly 600 households. The entire city sits behind three guard gates, staffed around the clock, and much of it is built around equestrian use, meaning large lots, private trails, and horse properties rather than tract housing. It is also home to a well-known concentration of entertainment-industry residents, which is part of why privacy here is treated as a baseline expectation, not a luxury.

No estate planning firms maintain an office inside Hidden Hills. That is not a knock on the city. It is simply too small, and its residents have always driven to Calabasas, Westlake Village, Woodland Hills, or further for professional services. Below are the nearest attorneys who serve Hidden Hills families, with verifiable credentials. This is not a ranking. It is a starting point for doing your own homework.

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How to vet an estate planning attorney

The California State Bar certifies attorneys as Legal Specialists in Estate Planning, Trust and Probate Law. Fewer than 1% of California attorneys hold this credential. It requires passing a written exam, demonstrating substantial experience, and submitting to peer review. You can verify any attorney’s specialist status at calbar.ca.gov.

A certified specialist is not automatically the right fit. But the designation tells you the attorney has submitted to outside scrutiny in this specific area of law, which is more than most marketing claims can say.

Beyond certification, look for:

• A practice focused on estate planning, not a general practice that also “does” trusts.
• Direct access to the attorney, not a paralegal-driven mill that hands you a binder.
• Flat, disclosed fees. If an attorney won’t tell you the cost before you sign, that tells you something.
• Discretion as a working practice, not just a promise. Ask how the firm handles intake, storage, and communication for clients who need a higher bar of confidentiality than average.
• Familiarity with where Hidden Hills probate is actually heard. Los Angeles County probate matters, including Hidden Hills, are filed at the Stanley Mosk Courthouse, 111 N. Hill Street, downtown Los Angeles.

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Estate planning attorneys serving Hidden Hills

No estate planning firm is headquartered inside Hidden Hills. These are the nearest firms that regularly serve Hidden Hills residents.

Ridley Law

Eric D. Ridley has practiced estate planning in Ventura County since 2010, working with families across Hidden Hills, Calabasas, West Hills, and the surrounding area. The firm handles living trusts, wills, powers of attorney, advance healthcare directives, trust administration, and probate. Flat-fee pricing, disclosed before engagement. Free 30-minute initial consultation by phone or video.

567 W. Channel Islands Boulevard, Suite 210, Port Hueneme, CA 93041. (805) 244-5291.

Pacella Law Group

Louis Pacella (State Bar #227616, admitted 2003) practices estate planning, business law, trust litigation, and conservatorship out of neighboring Calabasas, a few minutes from Hidden Hills’ main gate.

5000 N. Parkway Calabasas, Suite 219, Calabasas, CA 91302. (805) 496-0500.

Westlake Law Group

David Esquibias (State Bar #171327) is a Certified Specialist in Estate Planning, Trust and Probate Law who also holds an LLM in Taxation. The dual credential matters for Hidden Hills estates, where equestrian parcels, shared easements, and significant appreciated real property often require tax planning alongside the trust itself.

Westlake Village, CA 91361.

Ferguson Case Orr Paterson LLP

John Mark Andersen (State Bar #162930) has been a Certified Specialist in Estate Planning, Trust and Probate Law since 2008, holds a JD from UC Hastings, and is known for representing public figures, directly relevant to Hidden Hills’ resident base.

1050 S. Kimball Road, Ventura, CA 93004. Westlake Village office also available.

Talai Law

Ali Talai (State Bar #297337, admitted 2014) holds an LLM in Taxation from Villanova and focuses on asset protection and tax planning. The firm markets specifically to Hidden Hills clients from its Woodland Hills office.

6300 Canoga Avenue, Suite 550, Woodland Hills, CA 91367.

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What Hidden Hills families actually deal with

There is no local firm, and that’s worth saying plainly

With roughly 600 households in the entire city, Hidden Hills has never supported its own estate planning bar. Every attorney a Hidden Hills family hires drives in from somewhere else. That means the usual advice to “find someone local” doesn’t really apply here. What matters instead is finding an attorney, wherever their office sits, who already understands large-lot equestrian property, gated-community access issues, and the privacy expectations that come with this particular city.

A tiny population makes appraisals harder, not easier

Hidden Hills homes are commonly cited in a range from roughly $2 million to $8 million, and that range is volatile precisely because the sample size is so small. With only about 600 homes in the entire city, there may be only a handful of comparable sales in any given year. When a trust or estate needs a date-of-death appraisal for step-up-in-basis purposes, or when a probate referee has to value real property for a probate estate, a thin comparable-sales pool makes that appraisal more contestable, not less. An attorney who has handled Hidden Hills property before will know to push for a well-supported appraisal rather than a quick drive-by number, because there’s less of a market cushion to fall back on if the IRS or a beneficiary later disputes the value.

Large equestrian lots complicate real property transfers

Many Hidden Hills properties include private trails, shared access easements, and horse-keeping arrangements that don’t exist on a standard residential lot. Deeding this kind of property into a trust is not fundamentally different from any other transfer, but the easements and any recorded equestrian-use agreements need to be reviewed and, where necessary, referenced in the trust or in a separate assignment, so the trustee actually has clear authority over every piece of what the family thinks they own.

Privacy is the whole point of living here, and a will undoes it

A living trust keeps the terms of an estate private. A will does not. Once a will goes through probate, it becomes a public court record. For a city whose residents chose triple guard-gates and no public through-streets specifically to keep their lives private, an unfunded trust or a plan built around a will defeats the reason most people moved to Hidden Hills in the first place.

The probate math on a Hidden Hills home

Probate fees in California are set by statute (Probate Code §§ 10810 and 10800), calculated on the gross value of the probate estate. Given the volatility in Hidden Hills home values, the statutory fee swings dramatically depending on where a given property falls in that $2 million to $8 million range:

• On a $2 million home: $33,000 for the attorney and $33,000 for the executor, or $66,000 combined.
• On an $8 million home: $93,000 for the attorney and $93,000 for the executor, or $186,000 combined.

That range alone is a reason to avoid probate altogether. A funded living trust avoids it entirely, at a fraction of even the low end of that cost.

Where Hidden Hills probate is heard

Hidden Hills is in Los Angeles County. If an estate goes through probate, it is filed at the Stanley Mosk Courthouse, 111 N. Hill Street, downtown Los Angeles, not at any closer courthouse. Your attorney should know this without being told.

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Credentials listed are drawn from the firms’ own public information, the State Bar of California, and public court records. This page is not a ranking and is not an endorsement. Ridley Law is listed first because we publish this page, not because of any ranking; we are included because we serve Hidden Hills. We wrote this page, and we think you should know that. Verify any attorney’s license status and specialist certification at calbar.ca.gov.