Heir, Estate, Trust, and Probate Investigation Services
Allen Investigations provides professional heir search and probate investigation services for attorneys, estate administrators, fiduciaries, and courts throughout California and nationwide. Led by licensed California private investigator Debra Allen (CA PI License #29141), our firm specializes in locating missing heirs, beneficiaries, and family members in matters involving wills, trusts, estates, and property ownership.
Using advanced investigative research methods, public record analysis, genealogy resources, and international database searches, we identify, locate, and document both known and unknown heirs.
Our investigations help attorneys and fiduciaries fulfill their legal obligations to provide proper notice to heirs and beneficiaries in probate and estate proceedings.
Allen Investigations conducts comprehensive heir searches for probate litigation, trust administration, and estate settlement matters. We locate missing heirs, verify family lineage, confirm beneficiary identities, and provide clear investigative reports suitable for legal proceedings.
Our heir search investigations support:
• Probate and estate administration
• Trust and beneficiary investigations
• Missing heir location services
• Genealogical research and lineage verification
• Title actions and property ownership matters
• Domestic and international heir searches
Allen Investigations is trusted by attorneys and legal professionals to deliver accurate, confidential, and thorough probate investigation services throughout California and nationwide.
Disclaimer: Allen Investigations is a licensed private investigation firm and is not a law firm. We do not provide legal advice or legal representation. For legal advice regarding probate, trusts, estates, or court proceedings, please consult a qualified attorney.

Heir search and probate investigation services throughout California.
Allen Investigations Ca PI License #29141
Serving California and Nationwide - 808 investigations in Hawai'i PI License #28766
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