USPS PO Box Cost Guide: Price, Per-Unit and Budget Ranges 2026

Prices for USPS PO Boxes vary by size and location, with monthly fees forming the core cost. Cost drivers include box size, city or rural office, and required access. This guide presents typical ranges in USD, useful for budgeting and comparing options.

Item	Low	Average	High	Notes
PO Box Monthly Rent (Small)	$8	$18	$40	Urban centers tend to be higher; size 3×5 to 5×3 common small option
PO Box Monthly Rent (Medium)	$20	$40	$70	Typically 6×6 or 6×7 sizes; access hours vary by location
PO Box Monthly Rent (Large)	$35	$60	$110	Larger boxes for higher mail volume; best in busy offices
Annual Booking/Setup Fee	$0	$15	$60	Some offices waive setup; others charge one-time

Overview Of Costs

Typical total project ranges include setup and first year of service. For a standard PO Box, expect ongoing monthly rent plus possible one-time setup. A basic estimate spans from about $96 to $1,320 per year, depending on size and location, with per-month pricing ranging from roughly $8 to $110. Assumptions: region, box size, and access needs.

Cost Breakdown

Component	Low	Average	High	Notes
Materials	$0	$0	$0	Just the physical lockable box; USPS property
Labor	$0	$0	$0	No customer labor charges for standard PO Boxes
Permits	$0	$0	$0	Not applicable to standard PO Boxes
Delivery/Disposal	$0	$0	$0	Included in service at USPS facility
Taxes	$0	$0	$0	Typically included in price; may vary by jurisdiction
Other	$0	$0	$0	Potential one-time setup or signature requirements

Factors That Affect Price

Box size and location are the primary price drivers. Urban post offices generally charge higher rents than rural ones. Access hours, bilingual or 24-hour features, and proximity to major carrier routes can shift costs. PO Box prices may also vary by seasonal demand and lease term length.

Ways To Save

Consider longer lease terms to reduce monthly costs. Opt for a smaller size if mail volume is low, and compare nearby post office locations to identify cheaper options. Some facilities offer promotions or waivers for first-time renters or customers who consolidate multiple boxes into one.

Regional Price Differences

Prices differ by region and city type. In the Northeast metropolitan areas, small boxes often run higher than the national average, while rural West locales may show lower rates. A typical Delta can be +/- 20–40% between Urban, Suburban, and Rural settings depending on demand and rental policy.

Labor & Installation Time

Set-up time is generally minimal. No installation labor is charged for standard PO Boxes, though some offices may require identity verification and application processing that can take a short time. If a pro is needed for special services, plan for a small hourly fee.

Additional & Hidden Costs

Be aware of potential extras. Some offices charge a late-payment penalty, replacement key fee, or temporary holdover if access needs change mid-lease. Seasonal spikes in demand can also trigger short-term price adjustments at busy facilities.

Real-World Pricing Examples

Assumptions: urban ZIP, Small box, 6–12 month lease, standard access hours.

Assumptions: region, box size, and lease term.