How much does a restroom trailer cost in Charleston, SC?
Short answer: Charleston-area restroom trailer listings start around $950–$1,995 (The Knot, High Cotton Comfort Co (Charleston) vendor listing; WeddingWire, South Carolina wedding rentals), and a Charleston rental site quotes $1,200–$3,500 per event (Porta Potty Rental Charleston, Portable Toilet Rental Prices). Standard porta potties run about $125–$200 for a single day (Porta Potty Rental Charleston, Portable Toilet Rental Prices).
Local Charleston and SC prices
| Item | Published range | Source |
|---|---|---|
| High Cotton Comfort Co (Charleston), starting price | $950; couples usually spend $1,250 | The Knot, High Cotton Comfort Co (Charleston) vendor listing |
| SC restroom trailer vendors, starting prices | $995–$1,995 | WeddingWire, South Carolina wedding rentals |
| Restroom trailers, per event | $1,200–$3,500 | Porta Potty Rental Charleston, Portable Toilet Rental Prices |
| Standard unit, single day | $125–$200 | Porta Potty Rental Charleston, Portable Toilet Rental Prices |
| Standard unit, weekend | $175–$300 | Porta Potty Rental Charleston, Portable Toilet Rental Prices |
Trailers by size (national provider)
| Item | Published range | Source |
|---|---|---|
| 2-stall (about 50–75 guests) | $2,799 per event | Stahla Services, How Much Does It Cost to Rent a Restroom Trailer? |
| 4-stall (about 100–150 guests) | $3,399 per event | Stahla Services, How Much Does It Cost to Rent a Restroom Trailer? |
| 8-stall | $4,799 per event | Stahla Services, How Much Does It Cost to Rent a Restroom Trailer? |
| 10-stall | $5,699 per event | Stahla Services, How Much Does It Cost to Rent a Restroom Trailer? |
Stahla's event pricing covers a Friday–Monday rental. One-day local quotes are often lower.
Wedding benchmarks
| Item | Published range | Source |
|---|---|---|
| VIP 2–3-stall trailer, per day | $600–$1,200 | Rapid Porta Potty, Which Porta Potty Rental Is Best for Your Wedding? |
| Deluxe flushable unit | $150–$250 | Rapid Porta Potty, Which Porta Potty Rental Is Best for Your Wedding? |
| ADA unit | $175–$300 | Rapid Porta Potty, Which Porta Potty Rental Is Best for Your Wedding? |
| Standard unit | $100–$175 | Rapid Porta Potty, Which Porta Potty Rental Is Best for Your Wedding? |
| Mid-size wedding setup | $800–$1,600 | Rapid Porta Potty, Which Porta Potty Rental Is Best for Your Wedding? |
Extra fees to ask about
| Item | Published range | Source |
|---|---|---|
| Mileage | $2.99–$3.99 per mile | Stahla Services, How Much Does It Cost to Rent a Restroom Trailer? |
| Generator | $150–$300 per day | Stahla Services, How Much Does It Cost to Rent a Restroom Trailer? |
| Water delivery | $100–$250 | Stahla Services, How Much Does It Cost to Rent a Restroom Trailer? |
| Peak season (May–October) | +15–30% | Stahla Services, How Much Does It Cost to Rent a Restroom Trailer? |
| Off-season | −10–20% | Stahla Services, How Much Does It Cost to Rent a Restroom Trailer? |
How many do you need?
Rule of thumb: one unit per 50 guests for a four-hour event, plus about 20% with alcohol (Porta Potty Rental Charleston, Portable Toilet Rental Prices). Under the ADA Standards, at least 5% of clustered portable units must be accessible (U.S. Access Board, 2010 ADA Standards §213.2).
Questions
How much is a restroom trailer for 150 guests?
A 4-stall trailer handles about 100–150 guests; Stahla lists $3,399 for a Friday–Monday event (Stahla Services, How Much Does It Cost to Rent a Restroom Trailer?). Local one-day quotes are often lower.
Why are restroom trailers more expensive in spring and fall?
Demand peaks May to October, and prices run about 15–30% higher in peak season (Stahla Services, How Much Does It Cost to Rent a Restroom Trailer?).
Are there extra fees?
Often: mileage ($2.99–$3.99/mi), a generator ($150–$300/day) or water delivery ($100–$250) (Stahla Services, How Much Does It Cost to Rent a Restroom Trailer?).
Sources
All pages accessed November 2, 2026. Published prices change and are not a quote for your project; your written quote is what counts.
- Stahla Services, How Much Does It Cost to Rent a Restroom Trailer?: https://stahla.com/how-much-does-it-cost-to-rent-a-restroom-trailer. Event (Fri–Mon) pricing: 2-stall $2,799, 4-stall $3,399, 8-stall $4,799, 10-stall $5,699; capacity guide; porta potties $150–$300/event; fees for mileage, generators and water; peak season May–Oct +15–30%.
- Rapid Porta Potty, Which Porta Potty Rental Is Best for Your Wedding?: https://rapidportapotty.com/which-porta-potty-rental-is-best-for-your-wedding/. VIP 2–3-stall trailers $600–$1,200/day; deluxe flushable $150–$250; ADA $175–$300; standard $100–$175; mid-size wedding $800–$1,600; 100–250 guests need 3–4 units; add 15–20% when serving alcohol.
- The Knot, High Cotton Comfort Co (Charleston) vendor listing: https://www.theknot.com/marketplace/high-cotton-comfort-co-charleston-sc-2104131. Charleston restroom trailer vendor: starting price $950; couples usually spend $1,250.
- WeddingWire, South Carolina wedding rentals: https://www.weddingwire.com/c/sc-south-carolina/wedding-event-rentals/12-sca.html. SC restroom trailer vendors listed with starting prices from $995 (The Southern Squat) to $1,995 (TCS Ten-Co).
- Porta Potty Rental Charleston, Portable Toilet Rental Prices: https://portapottyrentalcharleston.com/portable-toilet-rental-prices. Charleston pricing: single-day standard $125–$200; weekend $175–$300; restroom trailers $1,200–$3,500 per event; one unit per 50 attendees for 4 hours, +20% with alcohol.
- U.S. Access Board, 2010 ADA Standards §213.2: https://www.access-board.gov/ada/. Where single-user portable toilet units are clustered at a single location, at least 5% of the units in each cluster (and no fewer than one) must be accessible.
- The Wedding Report, Charleston, SC wedding statistics: https://wedding.report/action/wedding_statistics/view/market/id/45019/idtype/c/location/Charleston_SC/. Estimated 3,737 weddings in the Charleston market in 2025, average cost $37,097.
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