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NAICS 561611 · Investigation and Personal Background Check Services

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Private investigators

6,140 private investigators listed, each checked against the issuer's record. Pick a city below, or ask for one.

  1. 10-35 Investigations

    ActivePrivate Investigator

    Costa Mesa, CA

    Ask it
    Proof for 10-35 Investigations
    License
    US-CA-DCA BSIS-PI-189044
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    Aug 31, 2028
    Checked
    Oct 23, 2026
    Where
    Costa Mesa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  2. 10 Star Investigations

    ActivePrivate Investigator

    Irvine, CA

    Ask it
    Proof for 10 Star Investigations
    License
    US-CA-DCA BSIS-PI-26440
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    Jun 30, 2027
    Checked
    Oct 23, 2026
    Where
    Irvine, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  3. 190 Intel, Inc.

    ActivePrivate Investigator

    Calabasas, CA

    Ask it
    Proof for 190 Intel, Inc.
    License
    US-CA-DCA BSIS-PI-190149
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    May 31, 2028
    Checked
    Oct 23, 2026
    Where
    Calabasas, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  4. 1911 Backgrounds & Investigations

    ActivePrivate Investigator

    Winchester, CA

    Ask it
    Proof for 1911 Backgrounds & Investigations
    License
    US-CA-DCA BSIS-PI-189301
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    Jan 31, 2028
    Checked
    Oct 23, 2026
    Where
    Winchester, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  5. 1St Investigative Group

    ActivePrivate Investigator

    Oceanside, CA

    Ask it
    Proof for 1St Investigative Group
    License
    US-CA-DCA BSIS-PI-9112
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    Aug 31, 2028
    Checked
    Oct 23, 2026
    Where
    Oceanside, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  6. 21St Century Detective Agency

    ActivePrivate Investigator

    Costa Mesa, CA

    Ask it
    Proof for 21St Century Detective Agency
    License
    US-CA-DCA BSIS-PI-21688
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    Jan 31, 2028
    Checked
    Oct 23, 2026
    Where
    Costa Mesa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  7. 21St Century Investigations

    ActivePrivate Investigator

    Castella, CA

    Ask it
    Proof for 21St Century Investigations
    License
    US-CA-DCA BSIS-PI-15405
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    Mar 31, 2028
    Checked
    Oct 23, 2026
    Where
    Castella, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  8. 23 Investigations, LLC

    ActivePrivate Investigator

    Sacramento, CA

    Ask it
    Proof for 23 Investigations, LLC
    License
    US-CA-DCA BSIS-PI-190186
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    Sep 30, 2028
    Checked
    Oct 23, 2026
    Where
    Sacramento, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  9. 24/7 Investigation Services

    ActivePrivate Investigator

    Palm Springs, CA

    Ask it
    Proof for 24/7 Investigation Services
    License
    US-CA-DCA BSIS-PI-188633
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    Feb 28, 2027
    Checked
    Oct 23, 2026
    Where
    Palm Springs, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  10. 24Seven Ics (Investigations, Consultations, Solutions)

    ActivePrivate Investigator

    Hanford, CA

    Ask it
    Proof for 24Seven Ics (Investigations, Consultations, Solutions)
    License
    US-CA-DCA BSIS-PI-189403
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    Sep 30, 2028
    Checked
    Oct 23, 2026
    Where
    Hanford, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  11. 25 Wide

    ActivePrivate Investigator

    Capistrano Beach, CA

    Ask it
    Proof for 25 Wide
    License
    US-CA-DCA BSIS-PI-24405
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    Dec 31, 2026
    Checked
    Oct 23, 2026
    Where
    Capistrano Beach, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  12. 3/21 Investigations

    ActivePrivate Investigator

    Richmond, CA

    Ask it
    Proof for 3/21 Investigations
    License
    US-CA-DCA BSIS-PI-27390
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    Jun 30, 2027
    Checked
    Oct 23, 2026
    Where
    Richmond, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  13. 31 Acorns

    ActivePrivate Investigator

    Berkeley, CA

    Ask it
    Proof for 31 Acorns
    License
    US-CA-DCA BSIS-PI-189917
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    Apr 30, 2027
    Checked
    Oct 23, 2026
    Where
    Berkeley, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  14. 333 Security & Investigations

    ActivePrivate Investigator

    Murrieta, CA

    Ask it
    Proof for 333 Security & Investigations
    License
    US-CA-DCA BSIS-PI-189511
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    Mar 31, 2027
    Checked
    Oct 23, 2026
    Where
    Murrieta, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  15. 360 Group International, Inc

    ActivePrivate Patrol Operator+1

    Beverly Hills, CA

    Ask it
    Proof for 360 Group International, Inc
    License
    US-CA-DCA BSIS-PPO-15722
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Patrol Operator; Private Investigator Branch
    Expires
    Jan 31, 2027
    Checked
    Oct 23, 2026
    Where
    Beverly Hills, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  16. 360 Group International, Inc.

    ActivePrivate Investigator

    Beverly Hills, CA

    Ask it
    Proof for 360 Group International, Inc.
    License
    US-CA-DCA BSIS-PI-27350
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    May 31, 2027
    Checked
    Oct 23, 2026
    Where
    Beverly Hills, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  17. 360 Iq

    ActivePrivate Investigator

    San Francisco, CA

    Ask it
    Proof for 360 Iq
    License
    US-CA-DCA BSIS-PI-28868
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    Dec 31, 2026
    Checked
    Oct 23, 2026
    Where
    San Francisco, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  18. 360 Security Services

    ActivePrivate Investigator

    Los Angeles, CA

    Ask it
    Proof for 360 Security Services
    License
    US-CA-DCA BSIS-PI-189201
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    Jun 30, 2027
    Checked
    Oct 23, 2026
    Where
    Los Angeles, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  19. 365 Investigations, Inc.

    ActivePrivate Investigator

    Granada Hills, CA

    Ask it
    Proof for 365 Investigations, Inc.
    License
    US-CA-DCA BSIS-PI-188550
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    Nov 30, 2026
    Checked
    Oct 23, 2026
    Where
    Granada Hills, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  20. 3Ei Investigations

    ActivePrivate Investigator

    Valley Village, CA

    Ask it
    Proof for 3Ei Investigations
    License
    US-CA-DCA BSIS-PI-25520
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Investigator
    Expires
    May 31, 2027
    Checked
    Oct 23, 2026
    Where
    Valley Village, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

Cities with the most listings

San Diego, CA 160Los Angeles, CA 150San Francisco, CA 145Sacramento, CA 125Huntington Beach, CA 103Riverside, CA 89Bakersfield, CA 88San Jose, CA 75Fresno, CA 73Long Beach, CA 67Corona, CA 58Rancho Cucamonga, CA 52Irvine, CA 51Santa Rosa, CA 49Roseville, CA 48Chula Vista, CA 47

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