Top Pressure Washing Companies in Charleston
4.Water Boys Pressure Washing & Window Cleaning
5.0★ (26 reviews)
5.0★ from 26 reviews
Pressure Washing Cost in Charleston
Local ranges, adjusted for area wage and cost-of-living data.
| Service | Typical range in Charleston |
|---|---|
| House wash | $239–$670/job |
| Driveway | $96–$287/job |
| Deck or patio | $96–$335/job |
| Roof soft wash | $335–$766/job |
Pressure Washing prices in Charleston run about 4% below the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.
Quotes on this page come from 6 companies serving Charleston, rated 5.0★ on average across 509 customer reviews.
Charleston Climate & Seasonal Timing
What Charleston's weather means for scheduling pressure washing.
- Last spring frost
- February 6
- First fall frost
- December 23
- Annual precipitation
- 44.42"
- Heating degree days
- 1,736
- Cooling degree days
- 2,375
| Month | Low | High | Precip |
|---|---|---|---|
| Jan | 42.8° | 56.7° | 2.94" |
| Feb | 45.5° | 59.6° | 2.51" |
| Mar | 51.6° | 65° | 3.3" |
| Apr | 58.8° | 72° | 2.53" |
| May | 67.1° | 78.7° | 2.16" |
| Jun | 74° | 84.5° | 4.65" |
| Jul | 76.9° | 87.6° | 5.4" |
| Aug | 76.1° | 86.4° | 6.71" |
| Sep | 71.8° | 82° | 5.76" |
| Oct | 62.5° | 74.6° | 3.67" |
| Nov | 53.6° | 67.3° | 2.19" |
| Dec | 45.6° | 59.5° | 2.6" |
NOAA station data 4.64 miles from Charleston.
Permits & Regulations in SC
No permit typically required
- South Carolina does not require a state occupational license for house cleaning, carpet cleaning or pressure washing
- Cleaning businesses still need any local business license, plus state business registration if operating as a company
- Pressure-washing runoff carrying detergents, paint chips or grease must not be discharged to storm drains under the Clean Water Act and local stormwater rules
License required: No state occupational license for residential cleaning
Sources: llr.sc.gov, www.epa.gov
Pressure Washing FAQs for Charleston
How much does pressure washing cost in Charleston?
Washing a typical house exterior in Charleston runs $239-$670; driveways and decks are priced separately.
How many pressure washing companies serve Charleston?
We track 6 pressure washing companies serving Charleston.
Is pressure washing in Charleston more expensive than average?
Pressure washing in Charleston runs about -4.3% versus the national average.
Why does siding get green in Charleston?
Charleston gets about 44.42 inches of precipitation a year, and damp, shaded walls grow algae and mildew; soft washing with a cleaning solution removes it without the damage high pressure can cause.
When is the best time to pressure wash in Charleston?
Spring, after the last frost around February 6 in Charleston: surfaces dry quickly and the cleaning holds through summer.
Can you pressure wash in Charleston summer heat?
Yes, but with highs near 88F in Charleston, crews avoid direct midday sun so cleaning solutions do not dry on the surface and streak.
Are there rules about pressure washing runoff in SC?
In SC, South Carolina does not require a state occupational license for house cleaning, carpet cleaning or pressure washing. Wash water should not run into Charleston storm drains carrying detergents or paint chips.
Should I pressure wash before winter in Charleston?
Cleaning before lows near 43F in Charleston keeps mildew from sitting on siding all winter, but surfaces need to dry fully before freezing temperatures.
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