Free Online Tool
Pressure Washing Estimate Calculator
Get an instant price estimate for any pressure washing job — driveway, patio, siding, deck, or roof. Includes $/sqft rates, time estimates, and US market benchmarks. Free, no install.
Job Details
Estimated Price Range
$100 – $108
500 sqft · medium soiling
Average: ~$104 · ~$0.21/sqft
Estimated Time on Site
1.5 hrs
Single operator with surface cleaner attachment
US Market Price Benchmarks
National averages. Rates vary 30–50% by region. Urban markets run higher.
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When the Quote You Got Is Too High (Or Too Low)
Pressure washing quotes range wildly — a 500-sqft driveway might get quotes from $75 to $250. Here's what drives the spread:
- Equipment tier: Cold water residential machines (1,500–2,500 PSI) vs. hot water commercial units (3,000–4,000 PSI). Hot water cuts grease dramatically, but costs more.
- Chemical treatment: Pre-treatment with surfactants, degreasers, or sodium hypochlorite adds $30–$80 to a job but makes heavy staining far easier to remove.
- Insurance overhead: Legitimate contractors carry general liability ($1M+ coverage) which adds 5–15% to their price vs. uninsured solo operators.
Red flag: quotes below $0.05/sqft for driveways. At that price, someone is either uninsured, using cold water only, or rushing the job.
Soft Wash vs. Pressure Wash: Which Is Right for Your Surface?
High Pressure (2,500–4,000 PSI)
✓ Concrete, asphalt, brick, stone pavers
✗ Roofs, painted wood, stucco, vinyl siding
Soft Wash (100–500 PSI + chemicals)
✓ Roofs, painted siding, wood, stucco, screens
✗ Oil-stained concrete (not strong enough alone)
Soft washing uses chemical dwell time rather than brute pressure. It's more effective against organic growth (algae, mold, mildew) because it kills the root — high pressure just blows off the surface, and the growth returns faster.
Frequently Asked Questions
How much does pressure washing cost per square foot?
Pressure washing costs vary by surface: driveways run $0.08–$0.18/sqft, patios $0.10–$0.20/sqft, house siding $0.10–$0.25/sqft, decks $0.15–$0.30/sqft, and roofs $0.20–$0.40/sqft (soft wash). Most contractors have a minimum job charge of $100–$150 regardless of area.
Why is roof cleaning more expensive than driveway cleaning?
Roofs require soft washing (low pressure + chemical treatment) rather than high-pressure washing — high PSI will void shingles' warranty and damage the granules. The chemical treatment adds material cost, and working at height requires more safety equipment and time. Soft wash roof cleaning typically runs $0.20–$0.40/sqft vs. $0.08–$0.18/sqft for concrete driveways.
Should I hire a pro or rent a pressure washer?
Renting a 3,000-PSI pressure washer costs $50–$90/day. It makes sense for DIY if you have 4+ hours and experience with the equipment. For siding, roofs, or areas over 1,500 sqft, hiring a pro is usually worth it — they work 2–3× faster with commercial equipment.
What affects pressure washing prices the most?
The three biggest price drivers are: (1) Surface type — roofs and decks cost 2–3× more per sqft than concrete. (2) Grime level — heavy oil or thick algae requires pre-treatment, adding 25–60%. (3) Access difficulty — two-story homes add 20–30%. Regional labor rates vary 40–50% by location.
How long does pressure washing take?
A single operator with a surface cleaner attachment cleans roughly 300–500 sqft of concrete per hour. Wood decks go slower (150–250 sqft/hr). A typical residential job (driveway + walkway, 700 sqft) takes 1.5–2.5 hours.
Disclaimer
Price estimates are based on national US averages and may not reflect local market rates. Actual quotes may vary significantly based on contractor availability, regional pricing, and site-specific conditions. Always get 2–3 quotes from licensed, insured contractors.