Cost to Pressure Washing in St. Louis, MO (2026)

If you’re budgeting a pressure washing in St. Louis, most projects run $167-$1,110, 11% above the $400 national average. What moves that number most is usually one thing: Surface Type and Size. On its own it can swing the cost by $75-$500, so that’s the decision to slow down on before you sweat the smaller stuff.

Easiest place to save: Bundle surfaces in one visit - the second and third surfaces often cost only $50-$100 more than the first; pricing drops steeply when the truck is already there

In the Midwest (where St. Louis sits): Competitive market; spring and fall are peak seasons. Shorter outdoor season keeps the market competitive.

$167-$1,110 in St. Louis

11% above the national average · 1.11x cost multiplier

In St. Louis, a pressure washing runs $167 to $1,110 on average - about 11% above what homeowners pay nationwide. The Midwest market's labor costs account for most of the gap, with material pricing and local permitting fees adding to the spread. Use the cost table below to compare budget, mid-range, and premium options side by side.

Cost Breakdown in St. Louis

Line ItemLowMidHigh
Cost per sq ft$0$0$1
Materials$0$0$47
Labor$167$447$1,005
Permits$0$0$0
Total$167+11% vs. national avg$447+12% vs. national avg$1,052+11% vs. national avg

Budget

Single surface: driveway or deck only (400-500 sq ft)

Mid-Range

Whole house exterior + driveway, standard 2,000 sq ft home

Premium

Full property: house, driveway, deck, fence, sidewalks + soft wash on siding

Material Options

Material prices below are national averages; availability in St. Louis may shift costs slightly.

MaterialCost/UnitBest For
Standard Pressure Wash (2,000-3,000 PSI)$0.15-$0.35/sq ftDriveways, sidewalks, concrete patios, brickEffective on concrete, brick, stone, and pavers
Soft Wash (Low Pressure + Solution)$0.25-$0.50/sq ftHouse exterior siding (all types), roofs, painted surfaces, woodSafe for siding, roofs, wood, stucco; kills algae and mold at root
Surface Cleaning Attachment (Flat Work)$0.10-$0.20/sq ftLarge driveways and concrete patios - faster and more even than a wandFaster than wand-only for large flat areas, more even result
Chemical Pre-Treatment (Degreasers, Algaecides)$0.05-$0.15/sq ft materialsOil-stained driveways, mold-covered siding, heavily soiled surfacesBreaks down oil, mold, and algae before rinsing - much better result
Hot Water Pressure Washing$0.30-$0.60/sq ftCommercial kitchens, heavy machinery, extreme grease stainsMost effective on grease and oil, commercial-grade cleaning

Other Projects in St. Louis

St. Louis Estimate

Typical Range

$167-$1,110

vs. National Average

11% above national

Cost Multiplier

1.11x

Cost Per sq ft

$0-$1

This 1.11x estimate prices St. Louis labor from BLS Occupational Employment and Wage Statistics (May 2025) and applies a lighter regional adjustment to materials and permits, which vary less by metro than labor does. Actual bids vary by contractor, project scope, and timing.

See national average costs →