How many units do you actually need?
Start with headcount and hours, not gut feeling. OSHA 1926.51(c) sets construction ratios at 1 toilet for 20 workers or fewer, then 1 toilet seat and 1 urinal per 40 workers once you pass 20, and per 50 workers at 200 or more. Events run differently, since people cycle through faster and drink more in a shorter window. If you're not sure where your job or gathering falls, walk through how many porta potties do I need before you call. A standard unit works for most job sites; a deluxe flushable unit suits weddings and staff areas. Add at least one ADA accessible unit per cluster, per ADA Standards 213.2, which requires 5 percent of clustered single-user units to be accessible and never fewer than one. If your event pulls from Suisun City, 2.1 miles southeast, or draws crews commuting from Suisun as well, size up rather than down.
What size and duration should you book?
Match the unit to the job length, not the other way around. A standard unit runs a day rate in the 100 to 350 dollar range, a weekly rate from 130 to 500 dollars, and a monthly rate from 125 to 325 dollars, so longer bookings always cost more in total even though the per-day rate drops. Renovation jobs and short pours often just need porta potty rental per day pricing. Multi-month builds should look at monthly porta potty rental instead. Every unit sits on a 60 to 70 gallon holding tank and stands about 92 inches tall on a 44 by 48 inch footprint, so measure your placement spot before delivery, not after. Weddings and festivals should check event restroom rental or a restroom trailer if guests expect running water. Review full porta potty rental cost figures before you commit to a term.
Where should the unit go on site?
Pick flat, stable, slip resistant ground, matching ADA Standards 302.1, and leave a clear path at least 36 inches wide per ADA Standards 403.5.1 so anyone can reach the door. Doors need 32 inches of clear opening per ADA Standards 404.2.3, and wheelchair users need a 60 inch turning circle inside or just outside the unit per ADA Standards 304.3.1. Keep the site level enough that a 1:12 ramp slope, per ADA Standards 405.2, would work if one's needed. Delivery trucks need roughly 60 feet of straight clearance behind them to set a roll-off dumpster or a restroom unit, so clear the driveway or curb lane the morning of drop-off. Placement near a building entrance in Fairfield often triggers a right-of-way question; if your unit sits anywhere near a sidewalk or street, that placement needs confirming with the city before delivery. Read the porta potty placement guide for more on spacing units apart from doors, windows and food areas.
Do you need handwashing and service add-ons?
Yes, almost always, and OSHA is specific about when. If workers apply paints, coatings, herbicides or insecticides, OSHA 1926.51(f)(1) requires washing facilities on site. General industry crews fall under 29 CFR 1910.141(d)(2), which requires soap and towels or a hand drying device at wash stations; hand sanitizer alone does not satisfy that rule. Add a handwashing station or portable sink next to your restroom cluster rather than across the lot. For farm crews, OSHA 1928.110 sets field sanitation at one facility per 20 workers, reachable within a quarter mile walk, which matters for spread-out ag sites near Fairfield. Service interval follows ANSI/PSAI Z4.3, which sets one visit per week as the baseline for up to 10 users over a 40 hour week; high-traffic events need more frequent pumping, covered on how often are porta potties cleaned. If you're running a septic system on site instead, check how often to pump a septic tank and consider a holding tank rental as backup.
Unit and pricing reference
| unit | day | week | month |
|---|---|---|---|
| standard | 100-350 | 130-500 | 125-325 |
| ada | 200-400 | 120-240 | n/a |
| deluxe | 85-1200 | 150-290 | n/a |
Delivery fees run separately, typically 100 to 500 dollars for a single day and 120 to 420 dollars for a month-long placement. For weekend events, expect a flat rate rather than a daily multiple; ask about that when you book. Fairfield renters with fencing or debris removal needs on the same job often bundle in a temporary fence rental or a 10 yard dumpster to keep one delivery window for everything.
Frequently asked questions
How far in advance should I book?
Book as soon as your date is set, especially for weekends and holidays. Construction jobs can usually get emergency porta potty rental with short notice, but event season around Fairfield fills fast, so two to three weeks ahead is safer for weddings and festivals.
Do I need a permit for a porta potty in Fairfield?
Maybe, depending on where it sits. Placement in the public right of way needs confirming with the city. Check porta potty permit requirements and dumpster permit requirements if you're renting both.
What's included in a standard delivery?
Delivery, setup and one weekly service visit under the ANSI/PSAI Z4.3 baseline are standard. Extra service visits, pump-outs for high-traffic events, and ADA units cost more. Confirm exact inclusions on your request a quote form.
Can I move a unit once it's placed?
Not without help. Units are heavy once tanks fill, and moving one yourself risks spills. Call Fairfield Porta Pros to reposition it safely.
How do I know if I need an ADA unit?
If the public or any employee with a disability may attend or work the site, yes. ADA Standards 213.2 requires at least one accessible unit per cluster regardless of headcount.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.