Service areas
Service areas
USPS-approved commercial mailbox installation across San Diego County, with select projects in Riverside County and Orange County.
- San Diego , CA
San Diego County
- Chula Vista , CA
San Diego County
- Oceanside , CA
San Diego County
- Carlsbad , CA
San Diego County
- Encinitas , CA
San Diego County
- Escondido , CA
San Diego County
- Vista , CA
San Diego County
- San Marcos , CA
San Diego County
- Poway , CA
San Diego County
- El Cajon , CA
San Diego County
- Temecula , CA
Riverside County
- Riverside County , CA
- Orange County , CA
Popular mailbox services
Explore our commercial mailbox services across all service areas.
Why properties across San Diego choose Postal Systems
We specialize in compliant, USPS-approved mailbox systems for HOAs, apartments, builders, and commercial sites.
USPS Approved
We coordinate USPS approvals and inspection sign-off.
Licensed & Insured
Licensed, bonded, and insured in California. CA Lic. #904106.
Turnkey Installs
Layouts, pads, anchors, tenant notice, USPS coordination, and sign-off.
Warranty & Support
Hardware-backed warranty with responsive local support.
Our installation process
Whether you are replacing aging units or installing new systems, our team manages layout, installation, and USPS inspection.
Step 1
Site visit & layout
Assess location, layout, ADA clearances, and USPS requirements.
Step 2
Detailed quote
Transparent scope, hardware, labor, and schedule.
Step 3
Schedule & tenant notice
Coordinate timing and tenant communication to minimize disruption.
Step 4
Installation
Pads, anchors, secure mounting, labeling, and lock work.
Step 5
USPS inspection & handover
We coordinate USPS inspection, obtain sign-off, and deliver keys.
Get a USPS-approved quote
Fast, compliant installs with inspection sign-off.