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Top-Rated Exterior surfaces powerwashing pros in Lake Saint Louis - Updated Nov 2026

Avatar for Complete Power Washing St Louis
Complete Power Washing St Louis
4.9(
180
)
Exterior Surfaces - Powerwashing

Serving Lake Saint Louis, MO and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Small jobs welcome

"Frank did an awesome job for a great price. He was less expensive than his competitors on Angie's List but delivered the same quality. He is the owner, but does or oversees jobs himself and is very friendly/ easy to work with. We had him power wash the exterior of our 2,400 sq ft home. It had some mold on the siding and the patio. That is gone now, the house is shining! Thanks Frank!"
Additional Photos
Response time1 day
Response rate100%
1 neighbors recently requested a quote
Avatar for B.I.C. Business Services, LLC
B.I.C. Business Services, LLC
4.7(
212
)
Exterior Surfaces - Powerwashing

Serving Lake Saint Louis, MO and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Free estimates

Offers commercial services

"Rodney did a great job! Our siding is 30 years old and it looks new again! He also powerwashed and sealed our front porch as well as our driveway and did a beautiful job. Very fast and efficient service. We will be hiring him to powerwash and seal our back patio next!"
Deck Stain
Commercial Cleaning
Commercial Cleaning
Commercial Cleaning
Commercial Cleaning

+16

Response time7 hrs
6 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for LT's Pressure Washing, LLC
LT's Pressure Washing, LLC
5.0(
9
)
Exterior Surfaces - Powerwashing

Serving Lake Saint Louis, MO and surrounding areas

Approved

In business since 2022

Free estimates

Offers commercial services

The LT pressure washing serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!

Response time9 hrs
Recommended by83%of homeowners
Avatar for First Line Wash Co. LLC
First Line Wash Co. LLC
5.0(
6
)
Exterior Surfaces - Powerwashing

Serving Lake Saint Louis, MO and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

"I recently hired First Line Wash Co. to power wash and seal my back walkway, and I couldn’t be happier with the results. From the initial quote with Andre to the final walkthrough, everything was professional, timely, and well-executed. Andre arrived right on schedule and wasted no time getting to work. He took great care to prep the area and explained exactly what he would be doing. The power washing itself was thorough—years of grime and buildup were gone in no time, and the walkway looked brand new. After cleaning, he applied a high-quality sealant that brought out the natural color of the stone and will help protect it for seasons to come. He even gave me tips on how to maintain the walkway between services. If you're looking for reliable, professional, and detail-oriented service, I highly recommend Andre and First Line Wash Co.. They exceeded my expectations and made my outdoor space look fantastic!"
Deck renewal
Before renewal
Drive way cleaning
Drive way cleaning
Driveway renewal

+8

Response time4 hrs
Response rate98%
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FAQs for powerwashing projects in Lake Saint Louis, MO

Different fence materials require specific pressure levels for safe, effective cleaning. Softwood fences need gentle treatment at 500 PSI maximum, while more durable materials like vinyl and steel can withstand up to 2,000 PSI. Wrought iron fences tolerate the highest pressure at approximately 2,300 PSI. Always begin with the lowest effective setting and maintain appropriate distance from the surface to prevent damage, gradually adjusting as needed based on cleaning results and material response.

The primary distinction between pressure washing and power washing lies in water temperature. Standard pressure washing equipment uses ambient temperature water, while power washing incorporates heated water for enhanced cleaning capability. The heat component makes power washing particularly effective for stubborn stains and organic growth, but it costs more than conventional pressure washing. For routine fence maintenance, standard pressure washing provides sufficient cleaning power without the additional expense.

The decision between professional service and DIY fence cleaning depends on several factors, including equipment access, technical knowledge, and fence characteristics. Equipment rental costs between $40 and $90 daily, making DIY viable for smaller projects. However, professionals bring expertise in appropriate pressure settings, efficient techniques, and proper cleaning solutions. For delicate materials like softwood or ornate fence designs, professional service significantly reduces the risk of damage while ensuring thorough cleaning results.

The duration of a fence pressure washing project varies based on multiple factors, including fence size, material, condition, and accessibility. A standard residential fence cleaning requires several hours to complete, with preparation, cleaning, and cleanup all factored into the timeline. Heavily soiled surfaces, intricate designs, or limited access points may extend the project duration. When planning your schedule, allow sufficient time for the fence to dry completely before applying any treatments or sealants.

The Lake Saint Louis, MO homeowners’ guide to powerwashing services

From average costs to expert advice, get all the answers you need to get your job done.