Serves executors, heirs, and trustees in Oakland and across Alameda County from Harrison Street downtown. A boutique built around the probate process and trust administration, with estate planning, Medi-Cal planning, and first-party special needs trusts alongside. Founder Mike Broad has practiced in the East Bay since 1986.
Probate in Contra Costa County
Probate Court Record
Contra Costa County Superior Court - Probate Division
Contra Costa County
Phone
Hours
Monday-Friday 8:00 AM-4:00 PM
Office
725 Court Street, Martinez, CA 94553
Website
E-filing
Self-represented filing
Allowed
Self-help forms
How to file probate in Contra Costa County →
Verified October 15, 2026 · Source
Do I need a lawyer for probate in Contra Costa County? →Settling an estate in Contra Costa County →
Special Needs Planning Firms Serving Contra Costa County
Oakland boutique focused exclusively on trust and estate law, serving Alameda, Contra Costa, and San Francisco Counties. Represents trustees and personal representatives through probate and trust administration, including special needs trusts, and handles gift and estate tax planning. Partners Carolyn Henel and Agnieszka Adams are Certified Specialists in Estate Planning, Trust and Probate Law.
Corona-headquartered firm with offices in San Diego, Newport Beach, Glendale, and San Francisco, plus satellite offices in Riverside, Temecula, Vista, and Roseville. Through its Sandoval Legacy Group division it handles probate and trust administration, conservatorships, will contests and fiduciary disputes, elder law, and special needs planning. Offers a free phone consultation.
Woodland firm with a second Fairfield office serving Yolo and Solano Counties — Davis, Dixon, Vacaville, Rio Vista, and Vallejo — with probate, trust administration, conservatorships, and special needs trusts alongside estate planning and long-term-care planning. Barbara Sonin is a certified specialist in estates, trusts, and probate. Meetings are available by Zoom.
Serves San Diego County and Southern California from Newport Avenue in San Diego, centered on probate and trust disputes. Handles probate and trust administration, contested wills and accountings, trustee removal, and breach-of-fiduciary-duty claims, plus elder law and Medi-Cal planning. Vincent M. Casiano is a State Bar certified specialist; the first 30-minute consultation is free.
Riverside practice serving Riverside, San Bernardino, Orange, and Los Angeles counties. Handles probate and estate administration, trust administration, trust and will litigation, spousal property petitions, conservatorships, and guardianships. Kristine M. Borgia is a State Bar of California certified specialist in trust, estate planning, and probate law, and is fluent in Spanish.
All 15 California special needs planning firms serving Contra Costa County →
Forms for Planning Your Estate in California
Free forms for planning your estate in California: will, living trust, pour-over will, powers of attorney and TOD deed. Prepare each form for California.
$12/month
Revocable Living Trust
Create a revocable living trust to avoid probate, protect privacy, and control asset distribution.
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Free
Financial Power of Attorney
California requires explicit durability language for a power of attorney to survive incapacityCal. Prob. Code §§ 56, 4053, 4120, 4121, 4122, 4123, 4124, 4127, 4128, 4129, 4130, 4150, 4152, 4200, 4230, 4264, 4300, 4401, 4402, 4450, 4451, 4452, 4453, 4455, 4456, 4457, 4459, 4461, 4462, 4463, 4464, 4465; Cal. Civ. Code §§ 1095, 1189, 1556, 2356, 2933; Cal. Fam. Code § 6500; AB 2199 (Stats. 2026, ch. 47) §§ 4401, 4466 eff. 2027-01-01 per Cal. Const. art. IV § 8(c)(1); verified against leginfo.legislature.ca.gov 2026-07-14, re-verified 2026-09-18; Cal. Prob. Code §§ 3, 872, 879.1, 879.2, 4054, 4409 and Stats. 2024, ch. 799 (SB 1458) read 2026-10-11Verified Oct 21, 2026View source, and it is signed before 2Cal. Prob. Code §§ 56, 4053, 4120, 4121, 4122, 4123, 4124, 4127, 4128, 4129, 4130, 4150, 4152, 4200, 4230, 4264, 4300, 4401, 4402, 4450, 4451, 4452, 4453, 4455, 4456, 4457, 4459, 4461, 4462, 4463, 4464, 4465; Cal. Civ. Code §§ 1095, 1189, 1556, 2356, 2933; Cal. Fam. Code § 6500; AB 2199 (Stats. 2026, ch. 47) §§ 4401, 4466 eff. 2027-01-01 per Cal. Const. art. IV § 8(c)(1); verified against leginfo.legislature.ca.gov 2026-07-14, re-verified 2026-09-18; Cal. Prob. Code §§ 3, 872, 879.1, 879.2, 4054, 4409 and Stats. 2024, ch. 799 (SB 1458) read 2026-10-11Verified Sep 18, 2026View source witnesses or a notary.
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Free
Last Will and Testament
In California, a will is signed before 2Cal. Prob. Code § 6110Verified Oct 18, 2026View source witnesses, and the witnesses sign an affidavit at probate instead of a self-proving affidavitCal. Prob. Code § 6110Verified Oct 18, 2026View source.
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Tools for Planning Your Estate in California
Free tools for planning your estate in California: will and trust costs, trust or TOD deed, and the signing rules. Run each tool for California.
How Much Does a Revocable Living Trust Cost?
An attorney-prepared revocable living trust in California runs $4,320Estimate: 10 hours at $432, Clio's California Trusts rate; Compare Lawyer Rates, 2025 dataVerified Oct 15, 2026View source to $6,480Estimate: 15 hours at $432, Clio's California Trusts rate; Compare Lawyer Rates, 2025 dataVerified Oct 15, 2026View source for an individual, against $0 to $549 up front plus a subscription with an online service.
Calculate Costs
How Much Life Insurance Do I Need?
In California, four years at a public university cost about $99,700NCES Digest of Education Statistics 2023, Table 330.20, public 4-year in-state tuition, fees, room and board, academic year 2022-23Verified Oct 17, 2026View source and the cost of living is 11% above the U.S. averageBEA Regional Price Parities, all items, by state, 2024Verified Oct 17, 2026View source; no state estate or inheritance tax appliesNo state estate, inheritance, or gift tax; prohibited by Cal. Rev. & Tax. Code § 13301 (voter Prop 6, 1982). California Estate Tax Return no longer required for decedents dying on/after Jan. 1, 2005 (CA State Controller's Office).Verified Sep 15, 2026View source.
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What Does Estate Planning Actually Cost?
An attorney-prepared revocable trust in California runs $4,320Estimate: 10 hours at $432, Clio's California Trusts rate; Compare Lawyer Rates, 2025 dataVerified Oct 15, 2026View source to $6,480Estimate: 15 hours at $432, Clio's California Trusts rate; Compare Lawyer Rates, 2025 dataVerified Oct 15, 2026View source and a simple will $1,329Estimate: 3 hours at $443, Clio's California Wills and Estates rate; Compare Lawyer Rates, 2025 dataVerified Oct 15, 2026View source to $2,658Estimate: 6 hours at $443, Clio's California Wills and Estates rate; Compare Lawyer Rates, 2025 dataVerified Oct 15, 2026View source, against $0 to $549 up front plus a subscription with an online service.
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Are My Beneficiary Designations Protected?
California automatically revokes an ex-spouse as beneficiary at divorceCal. Prob. Code § 5040Verified Sep 15, 2026View source; employer plans under ERISA follow federal rules either way, so a 401(k) beneficiary changes only by a new designation.
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