What Is a Portable Sink Rental?
A portable sink station is a freestanding unit with a fresh water tank feeding a faucet, a basin, and a gray water tank underneath to catch the runoff. Some run on a foot pump, some on a small 12-volt pump, and a few offer hot water heated by an internal element. Redwood City Porta Pros sets these up on job sites, at events, and for households mid-renovation who lose their kitchen sink for a stretch, the same crowd that searches home renovation porta potty options. They pair well with portable toilet rental on a construction lot, or stand alone at a food booth. Delivery falls in the same $50 to $150 weekly band listed above, and most renters add one to an existing order rather than book it solo. If you are already comparing porta potty rental cost for a job, ask about bundling a sink station in the same trip. For longer jobs, check monthly porta potty rental pricing since sink rentals often follow the same term length, and see porta potty rental per day if you only need one for a short stretch. OSHA 1926.51(a)(1) requires an adequate supply of potable water at all places of employment, and a portable sink station is one straightforward way to meet that on a site without hookups.
Can I Use a Portable Sink to Wash Hair?
Yes, and it is one of the more common uses outside construction. A portable sink for hair washing needs a deeper basin and a hose or sprayer attachment rather than a fixed faucet, so ask specifically for that configuration when you book. Camping portable sink setups, salon pop-ups, and film crews on location all request this style, similar to what we set up for camping porta potty trips. If your event needs washing capacity alongside restrooms, a shower trailer rental covers full-body needs, while a sink station handles quick hair rinses between takes or between clients. For film work specifically, see film set restroom rental for how sinks typically get paired with trailers. Hot water portable sink units make a real difference here since cold rinses do not sit well with most clients or crew. Confirm tank capacity before booking, and browse the full porta potty rental lineup if you need restrooms delivered at the same time. A portable sink and water tank combo with a small reservoir will run dry fast if you are washing more than a few heads of hair in a day, so size up if that is the primary use.
How Many Portable Sink Stations Do I Need?
One station per 10 to 20 people covers most light-duty needs, similar in spirit to the service interval baseline in ANSI/PSAI Z4.3, which sets one weekly service visit for up to 10 users over a 40 hour week as its reference point. Construction crews applying paints, coatings, herbicides or insecticides fall under OSHA 1926.51(f)(1), which requires washing facilities for that specific work, so a sink station on-site is not optional if your crew is spraying or coating that day. For general job site sanitation and toilet ratios, OSHA 1926.51(c) is the governing standard, and it pairs naturally with a sink station nearby. Use our how many porta potties do I need guide for the toilet-side math, since sink counts usually scale the same way, and review OSHA portable toilet requirements for the full ratio rules. 29 CFR 1910.141(d)(2) requires soap and towels or a hand-drying device at washing facilities, and hand sanitizer alone does not satisfy that. If your project also needs handwashing station rental units in addition to sinks, we can deliver both on the same run, which saves a second delivery fee, and a hand sanitizer station rental can supplement either one between services.
What Does a Portable Sink Rental Cost?
Pricing depends on delivery distance, rental length, and whether you want hot water. The table below uses the delivery fee bands that apply to sink stations along with other add-on equipment, the same bands referenced on our construction site services page.
| Duration | Low | Typical | High |
|---|---|---|---|
| Day | $100 | $150 | $500 |
| Week | $50 | $100 | $150 |
| Month | $120 | $172 | $420 |
Weekend rates for short events typically land around $200 based on the delivery fee weekend band, which runs from $125 to $540 depending on distance and rush timing. Redwood City jobs closer to the shop cost less to deliver than sites out toward Newark, which sits about 15.7 miles east, or Palo Alto at roughly 12.4 miles southeast. Closer stops like San Carlos, about 6.4 miles west, or Menlo Park at 6.0 miles southeast, usually land at the lower end of the delivery band. If you are renting for a full event, check event restroom rental or wedding restroom rental for how sink stations typically bundle with restroom trailers and standard units on those jobs, and larger gatherings like festival restroom rental or county fair restrooms follow the same pattern.
Does a portable sink need a permit in Redwood City?
Placement in the public right of way needs confirming with the city before delivery. We have not verified a specific permit rule for sink stations on private lots, so check with Redwood City before locking a curbside or sidewalk spot, and see porta potty permit requirements for the related restroom rules, or check dumpster permit requirements if you are placing a roll-off on the same site.
Can a portable sink run hot water?
Yes. Hot water portable sink units use a small internal heating element and work well for hair washing, food service, or cold-weather job sites. Ask for this option at booking since not every unit in the fleet carries one, and confirm tank size matches your expected use.
How long does a portable sink water tank last?
It depends on tank size and use rate. A light-duty crew washing hands a few times an hour might stretch a tank for a full week, while continuous hair washing or food prep will need a refill visit sooner. We size the tank to your headcount during booking.
Do I need soap and towels with the sink?
Yes. 29 CFR 1910.141(d)(2) requires soap and a towel or hand-drying device at washing stations, and sanitizer does not meet that requirement on its own. We stock most units with a soap dispenser and paper towel holder included, matching the setup we use on a portable sink rental delivered alongside our deluxe flushable porta potty line.
Can I rent a portable sink without a toilet?
Yes, plenty of caterers, campers, and film crews book a sink station alone. Most construction and event orders pair it with a standard porta potty rental or an ADA accessible porta potty instead, but it is not required.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.