Security Investigation Services locations near Portola Valley, CA

Showing 1–10 of 10 results

Our Portola Valley, CA directory covers 10 security investigation services listings in 8 ZIP codes. Listings here were last checked in Sep 2026.

Rivera & Associates

📍 2118 Walsh Ave Suite 100 Ste 100, Santa Clara, CA, 95050

📞 408-758-5647

When you need an experienced Santa Clara, CA Private Investigator, contact Rivera & Associates. Our analytical detectives are persistent, aware, and deliver what you want.

Paula Drake Investigations

📍 3790 El Camino Real, Palo Alto, CA, 94306

📞 650-857-9465

🌐 pauladrakepi.com

Federal Investigative Services Division

📍 345 Middlefield Rd, Menlo Park, CA, 94025

📞 650-473-0191

Harder & Associates

📍 146 Main St Ste 203, Los Altos, CA, 94022

📞 650-941-5441

🌐 espeye.com

Whitehead Investigations

📍 PO Box 1222, Redwood City, CA, 94064

📞 650-368-3320

Palma & Palma Investigations

📍 1227 Arguello St, Redwood City, CA, 94063

📞 650-367-9890

🌐 palmapalma.com

Maycroft Investigation Agency

📍 801 American St, San Carlos, CA, 94070

📞 650-453-3570

Updated Sep 2026

R A Nosek Investigations

📍 PO Box 5111, Redwood City, CA, 94063

📞 650-368-2716

🌐 sfbaysleuth.com

R A Nosek Investigations is a security investigation service located in Redwood City, California. The business has an active online presence as of 2026, indicating ongoing operations. Clients in the area can seek assistance with various investigative needs.

Ralph Nosek Investigations

📍 PO Box 5111, Redwood City, CA, 94063

📞 650-368-2716

Harder & Associates

📍 Serving Your Area, Cupertino, CA, 95014

📞 408-253-6628