How many units do you actually need?
Start with headcount, not guesswork. OSHA 1926.51(c)(1) sets construction-site ratios at one toilet for 20 workers or fewer, then one toilet seat and one urinal per 40 workers once you pass 20. Event planners should size differently, since guests do not spread bathroom use evenly across a shift the way a crew does. Our how many porta potties do I need guide breaks down both math paths. If you are running a job site in San Marcos with mixed trades, compare a standard porta potty rental against a deluxe flushable porta potty for crews on longer shifts. Weddings and festivals near Sewell Park or the square should check the event restroom rental page, and if the guest list includes anyone using a wheelchair, ADA Standards section 213.2 requires at least one accessible unit in any cluster, never fewer than one regardless of cluster size. Pair that spec with our ADA accessible porta potty page before you finalize a count.
What does the delivery site need before the truck arrives?
Clear the path first. A standard unit runs about 44 by 48 inches on the ground and stands roughly 92 inches tall, so a driveway gate or fence line has to clear that footprint plus turning room. Roll-off and larger deliveries need about 60 feet of straight clearance behind the truck, which matters if you are also ordering a roll-off dumpster rental for the same San Marcos address. Surfaces should be firm and level; ADA Standards section 302.1 calls for stable, firm, slip-resistant ground, and that is good practice for any unit, not just accessible ones. If the placement sits anywhere near a public sidewalk or right of way, confirm with the City before delivery day, since we have not verified San Marcos permit rules for right-of-way placement and will not guess at one. Our porta potty placement guide and porta potty permit requirements page cover the questions to ask before the truck rolls.
Why does service frequency matter for a multi-week rental?
Skip a cleaning cycle and you will hear about it fast. ANSI/PSAI Z4.3 sets a baseline of one service visit per week for up to 10 users across a 40 hour week, and that number climbs fast on a busy job site or a weekend event with hundreds of guests. Longer construction jobs in San Marcos should plan service intervals around crew size, not just calendar weeks; check monthly porta potty rental pricing if the job runs past 30 days, since a month rate beats booking week to week. Curious how the crews actually turn a unit around between visits? Our how often are porta potties cleaned page walks through it, and do porta potties smell covers the ventilation side. If your project involves painting, coatings, herbicides or insecticides, OSHA 1926.51(f)(1) requires washing facilities for that specific contaminant exposure, so add a handwashing station rental to the order, not just a hand sanitizer stand.
Do you need water and handwashing on site too?
Toilets alone do not satisfy sanitation rules. OSHA 1926.51(a)(1) requires an adequate supply of potable water at every place of employment, and 29 CFR 1910.141(d)2) specifies that washing facilities need actual soap and towels or a hand-drying device, since hand sanitizer alone does not meet that standard. Agricultural operations around San Marcos have a separate rule: OSHA 1928.110 sets field sanitation at one facility per 20 hand-labor employees, reachable within a quarter mile walk, which matters for farms checked against our farm and agricultural restrooms page. Add a portable sink rental or full handwashing station rental to any site order, and review handwashing requirements if you are not sure which standard applies to your crew. Septic-served properties in San Marcos should also plan ahead: a residential tank is typically pumped every 3 to 5 years depending on tank size and household load, a fact worth checking before you assume a fixed restroom can handle overflow guests. See septic pumping service or how often to pump a septic tank for that side of the job.
| item | day | week | month |
|---|---|---|---|
| standard unit | $100-$350 | $130-$500 | $125-$325 |
| ADA unit | $200-$400 | $185-$240 | - |
| delivery fee | $100-$500 | $100-$150 | $120-$420 |
Rates above reflect measured ranges across similar rentals; get a written quote through request a quote before delivery day. Customers near Redwood, 6.2 miles south of San Marcos, or Martindale, 7.4 miles east, should mention distance when booking, since delivery fees can shift with drive time. Our service areas page lists coverage including Lockhart, 17.8 miles east, and Buda, 18.2 miles north.
How far in advance should I book a porta potty in San Marcos?
Book 7 to 10 days out for standard jobs, longer for weekend events. Peak season around festivals and races fills trucks fast. Emergency same-day delivery is sometimes possible; see emergency porta potty rental for that option.
What size clearance does a delivery truck need?
Plan for roughly 60 feet of straight clearance behind the truck for roll-off style deliveries, plus flat, stable ground under the unit itself per ADA Standards section 302.1. Tight San Marcos lots should call ahead to confirm access.
Do I need an ADA-compliant unit for a small backyard event?
If any guest uses a wheelchair, yes. ADA Standards section 213.2 requires at least one accessible unit in any cluster, with no minimum guest count trigger. Check ADA restroom requirements for full detail.
Can I add a dumpster to the same delivery?
Yes, many San Marcos job sites order both together. Confirm clearance separately, since dumpster trucks need about 60 feet of straight backing room. See roll-off dumpster rental for sizes and specs.
What if my septic tank cannot handle extra event guests?
Ask about a holding tank rental as backup capacity. Residential tanks are typically pumped every 3 to 5 years based on size and household load, and heavy guest traffic can push that timeline. See holding tank rental for options.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.