How Much Does a Porta Potty Cost Per Month?
Price depends on unit type, how many visits you need, and how far the site sits from our yard. A standard porta potty rental books at $125 to $325 a month, while a deluxe flushable porta potty or ADA accessible porta potty run higher because they need extra tank capacity and, for ADA units, a wider footprint under ADA Standards 213.2. Delivery adds $120 to $420 depending on distance and access. Renovation jobs in National City often sit near the low end of that range if the crew only needs one porta john rental parked curbside for the length of the project. Compare that to a porta potty rental per day rate, which looks cheap until you multiply it across 30 days and add repeat delivery trips. For a full breakdown of what drives the monthly number up or down, see our porta potty rental cost guide.
| duration | low | typical | high |
|---|---|---|---|
| day | 100 | 150 | 350 |
| week | 130 | 200 | 500 |
| month | 125 | 200 | 325 |
Why Is Long Term Porta Potty Rental Cheaper Per Day?
A single day rental carries the full weight of delivery and pickup in one trip. Spread that same delivery fee across 30 days and the per-day cost drops fast, which is why a monthly porta potty rental beats stacking daily rentals back to back. Service follows ANSI/PSAI Z4.3, which sets a baseline of one cleaning visit per week for up to 10 users across a 40 hour week; a month long rental just repeats that same visit four or five times instead of rebooking a new unit each week. Construction crews working near Bonita, 7.4 miles east of National City, use this pricing structure most, since a framing or remodel job can run six to ten weeks easily. If you are still comparing formats, our porta potty rental cost per month numbers sit against our porta potty rental cost and porta potty rental per day pages so you can run the math both ways before committing.

What Affects Long Term Portable Toilet Rental Cost?
Worker count is the first thing we ask about. OSHA 1926.51(c)(1) sets toilet ratios for construction sites: one facility for 20 workers or fewer, then one toilet seat and one urinal per 40 workers once you cross 20, dropping to one per 50 once a site hits 200 workers. A crew of 15 on a home addition in National City needs one unit; a site pushing 45 workers needs two, which changes the monthly quote directly. If your job also involves painting, staining, or spraying herbicide or insecticide, OSHA 1926.51(f)(1) requires washing facilities for that contaminant exposure, so we pair a handwashing station rental or portable sink rental with the toilet order. General industry sites, as opposed to construction, fall under 1910.141(c)(1)(i) instead, which uses a different ratio table. Site access matters too. A roll-off delivery needs about 60 feet of straight clearance behind the truck, and the same clearance rule applies to positioning a restroom unit near a dumpster pad, so tight lots in older National City neighborhoods sometimes need a smaller unit or a different placement plan. Our porta potty placement guide and how many porta potties do I need pages walk through both calculations before you request a quote.

Do You Need a Permit for a Long Term Unit in National City?
Placement in the public right of way needs confirming with the city before delivery, since permit rules vary by exact location and we have not verified a specific municipal fee or ordinance number for this. If your unit sits entirely on private property, a permit usually is not needed at all, but check before the truck rolls. For sidewalk, curb, or street placement, call National City directly and ask what applies to your address. Our porta potty permit requirements page explains the general categories, and our porta potty rental checklist lists what to confirm before delivery day. If you are running a longer commercial job, our construction site services page bundles the toilet order with a roll-off dumpster rental and temporary fence rental quote so you are not filing three separate permit questions. Renovation projects that only need one unit for a few weeks usually skip permitting altogether; see home renovation porta potty for that scenario specifically.
How long can I rent a porta potty for?
There is no fixed cap. Jobs run from a single weekend up through multi-month construction schedules. Monthly billing kicks in once a rental passes about four weeks, and pricing improves the longer the term runs. Ask about your specific timeline when you request a quote.
Is a monthly rental cheaper than renting weekly four times?
Yes, usually. A month long booking avoids repeated delivery fees and locks in one service schedule instead of four separate ones. Compare the monthly porta potty rental rate against the weekly figure on our porta potty rental cost page before deciding.
Does the monthly price include cleaning?
Yes. Service follows the ANSI/PSAI Z4.3 baseline of one visit per week for up to 10 users. Heavier use sites can add visits. See how often are porta potties cleaned for the full schedule.
Can I switch from daily to monthly mid-rental?
Yes, call us before the daily term ends and we will convert the booking and adjust the invoice going forward. It is easier to convert early than to rebook from scratch.
What if my job runs near Coronado or Imperial Beach instead?
We cover Coronado, 9.4 miles west, and Imperial Beach, 9.0 miles south, along with the rest of our service areas. Delivery fees adjust slightly with distance; ask for a specific quote for your address.

Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.
