Top 7 Porta Potty Rental Companies in Charleston, SC
The best porta potty rental companies in Charleston, SC for 2026 include Mightrex Porta Potty Rental Charleston (5★), McGraw Event Pros (5★), Charleston Restroom Trailers (5★). All offer standard, deluxe, and ADA-compliant portable restrooms with weekly servicing for events, construction, and special occasions.
Mightrex Porta Potty Rental Charleston
McGraw Event Pros
Charleston Restroom Trailers
Grand Restrooms
Toilets of Charleston LLC
Access Portable Toilets
Trash Gurl LLC.
How We Ranked These Charleston Pros
Our rankings are based on a weighted evaluation of five key factors:
- Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
- Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
- Response Time — Companies offering same-day or 24/7 emergency service score higher.
- Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
- Experience & Longevity — Years serving the Charleston market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
How much does a porta potty cost to rent in Charleston, SC?
Porta potty rental in Charleston typically costs $75-$200 per unit per week for standard units. Deluxe units with sinks run $150-$350/week. Event and wedding restroom trailers cost $500-$2,000+ per day depending on size and amenities.
How many porta potties do I need for my Charleston event?
A general rule is 1 porta potty per 50 guests for a 4-hour event. For all-day events, plan 1 per 25-35 guests. Construction sites typically need 1 per 10 workers. Most Charleston rental companies can help calculate exact needs.
Do porta potty companies in Charleston provide servicing?
Yes, most Charleston porta potty rental companies include weekly servicing — pumping, restocking supplies, and sanitizing. Additional services or more frequent cleaning can be arranged for events or high-traffic sites.
How far in advance should I book a porta potty in Charleston?
Book at least 1-2 weeks in advance for standard rentals. For events, especially during peak season (May-October), book 3-4 weeks ahead. Holiday weekends and festivals in Charleston can book up even earlier.