10 Best Costco High-pressure Washer – Black Friday Deals 2026
Costco High-pressure Washer — Our Ranked Picks & Buying Guide for Black Friday 2026

🛍️ Black Friday & Cyber Monday 2026
Deals change fast during Black Friday week — check the current price of each pick at the store before you buy.
Shopping for Costco High-pressure Washer this Black Friday? We compared the most popular options and ranked our top 10, so you can shop the season with confidence.

Westinghouse ePX3500 Electric Pressure Washer
Why We Love It

Westinghouse WPX3000e Electric Pressure Washer
Why We Love It

Westinghouse ePX3100v Electric Pressure Washer
Why We Love It

Westinghouse ePX3050 Electric Pressure Washer
Why We Love It

Cordless Portable Washer
Why We Love It

Pressure Washer, Portable Power Washer
Why We Love It

Greenworks 2100 PSI (1.2 GPM) Electric Pressure Washer
Why We Love It

Westinghouse WPX3400e Electric Pressure Washer
Why We Love It

Greenworks 3000 PSI (2.0 GPM Max) Brushless Electric
Why We Love It

Westinghouse ePX3100 Electric Pressure Washer
Why We Love It
Quick Pick
10 Best Costco High-pressure Washer – Black Friday Deals 2026
Quick Pick

Westinghouse ePX3500 Electric Pressure Washer, 2500 Max PSI 1.76 Max GPM with Anti-Tipping Technology, Onboard Soap Tank, Pro-Style Steel Wand, 5-Nozzle Set, for Cars/Fences/Driveways/Home/Patios

Westinghouse WPX3000e Electric Pressure Washer, 3000 Max PSI and 1.76 Max GPM, Induction Motor, Onboard Soap Tank, Spray Gun and Wand, 5 Nozzle Set, for Cars/Fences/Driveways/Homes/Patios/Furniture

Westinghouse ePX3100v Electric Pressure Washer, 2100 Max PSI 1.76 Max GPM, Built-in Carry Handle, Detachable Foam Cannon, Pro-Style Steel Wand, 3-Nozzle Set, for Cars/Fences/Driveways/Home/Patios

Westinghouse ePX3050 Electric Pressure Washer, 2100 Max PSI 1.76 Max GPM with Foam Cannon and Turbo Nozzle, for Cars/Fences/Driveways/Home/Patios

Cordless Portable Washer, 1450 PSI Battery Operated Washer with 6-in-1 Nozzle, 2pcs 4.0Ah Battery&Charger, Handheld Washer for Car,Home,Garden Patio

Pressure Washer, Portable Power Washer, 4 Quick Connect Nozzles, High Pressure Cleaning Machine for Car Fence Driveway Patio Washing and More(Light Green)

Greenworks 2100 PSI (1.2 GPM) Electric Pressure Washer

Westinghouse WPX3400e Electric Pressure Washer, 3400 Max PSI and 2.0 Max GPM, Brushless Motor, Onboard Soap Tank, Spray Gun and Wand, 5 Nozzle Set, for Cars/Fences/Driveways/Homes/Patios/Furniture

Greenworks 3000 PSI (2.0 GPM Max) Brushless Electric Pressure Washer

Westinghouse ePX3100 Electric Pressure Washer, 2300 Max PSI 1.76 Max GPM with Anti-Tipping Technology, Onboard Soap Tank, Pro-Style Steel Wand, 5-Nozzle Set, for Cars/Fences/Driveways/Home/Patios
Buying Guide: Costco High-pressure Washer
📋 Table of Contents
1What pressure rating should I look for in a high-pressure washer?
Look for a pressure rating between 1,300 to 3,000 PSI for general use. Higher PSI is better for tough stains but may require more experience to use safely.
2What are the key specifications to consider?
Check the water flow rate (GPM), nozzle types, hose length, and whether it includes a detergent tank. These factors affect cleaning efficiency and versatility.
3How do I ensure the pressure washer is compatible with my home's water supply?
Verify the inlet size and connection type (usually 3/4 inch garden hose thread) to ensure compatibility with your water source and any adapters you may need.
4When should I pay more for a high-pressure washer?
Pay more if you need a model with higher PSI, longer hose, or additional features like a pressure gauge or multiple nozzles for greater flexibility and performance.
5What are common mistakes to avoid when buying a high-pressure washer?
Avoid models with insufficient PSI or GPM for your needs, and don't overlook the importance of safety features like automatic shut-off or proper grounding to prevent accidents.
How we choose
Our editors are people who genuinely love testing and writing about products. We compare each product's real-world usability and strengths, then distill what matters most into our own "Why We Love It" points — so you get an honest, at-a-glance sense of what counts before you buy.