Hermosa Beach packs a lot into under two square miles: the Strand, Pier Plaza and its bars, the shops along Hermosa Avenue and Pacific Coast Highway, and quiet residential streets running up from the sand. It is a social, walkable beach town where people know each other, and where a night out on Pier Plaza can raise very private questions.
LA Undercover handles Hermosa Beach cases quietly, including infidelity surveillance, cohabitation and spousal support investigations, custody documentation and background checks on new partners. Our investigators work the crowded weekend scene and the residential side streets without drawing attention.
The Strand, Pier Plaza, the Sand Section, North Hermosa, the Hermosa Valley, East Hermosa along Pacific Coast Highway, and nearby Hermosa Beach, Redondo Beach and El Segundo.
Can you follow someone through a crowded area like Pier Plaza?
Yes. Busy areas take more planning, so we often use two investigators to keep the subject in view without being noticed.
Can you confirm whether an ex-spouse is living with a new partner?
Yes. We document vehicles, overnight stays and shared routines over time, which is the kind of evidence courts look for in cohabitation cases.
How quickly can you start?
Often within a day or two. Call to discuss timing and what the case needs.
Hermosa Beach · Redondo Beach · El Segundo · Torrance & South Bay · All Areas We Serve
Tell us your story. There’s nothing we haven’t heard. Call Marc directly at (310) 310-4884 for a free, confidential case evaluation.
Tell us your story. There’s nothing we haven’t heard. Call Marc directly at (310) 310-4884.
Licensed CA PI #188895 · 25+ Years · ★★★★★ 5-Star Rated





