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Professional Exterior Cleaning Services in South King County
BLK Diamond Exterior Solutions is a family-owned, owner-operated business dedicated to delivering exceptional exterior cleaning services in South King County, WA. With a focus on customer satisfaction, we specialize in roof cleaning, gutter cleaning, pressure washing, window cleaning, and house washing, utilizing eco-friendly solutions and state-of-the-art equipment. Our team prioritizes safety, efficiency, and quality, offering a 100% satisfaction guarantee and same-day quotes.As a licensed and insured company, we pride ourselves on personalized service, ensuring every client receives tailored solutions that enhance their property's curb appeal and longevity. Our commitment to excellence is reflected in our thousands of satisfied customers and our reputation as the #1 rated exterior cleaning provider in the region.
Services
Roof Cleaning
Gutter Cleaning
Pressure Washing
Window Cleaning
House Washing
Power Washing
Christmas Light Installation
Details
- Year established: 2025
Highlights and features
- We are a family-owned, owner-operated business with direct owner involvement.
- 100% satisfaction guarantee on all services.
- State-of-the-art equipment for superior cleaning results.
- Licensed and insured for your protection.
- Same-day custom quotes and military discounts available.
Associations and certifications
- CLIPA (Christmas Light Installation Pros Association)
What people say
Fantastic work
Polite, professional
Excellent job
Highly recommend
Spotless results
Services
Roof Cleaning
Our roof cleaning service removes algae, moss, and stains using soft washing techniques to preserve shingle integrity. This prevents structural damage and extends roof lifespan while enhancing curb appeal. Ideal for asphalt, tile, or vinyl roofs in wet climates.
Gutter Cleaning
Professional gutter cleaning clears debris to prevent water damage to foundations and siding. We include rinsing and brightening services to ensure optimal function and appearance, protecting homes from costly water-related issues.
Pressure Washing
High-pressure washing removes stubborn stains from driveways, sidewalks, and concrete surfaces. Our method safely eliminates grime, grease, and weeds while preserving surface integrity, ideal for commercial and residential properties.
Window Cleaning
Residential and commercial window cleaning services deliver streak-free results using purified water systems. We clean glass, sills, and screens for improved visibility, natural light, and professional presentation.
Christmas Light Installation
Custom Christmas light installation includes professional-grade LED displays, maintenance, and post-season removal. Our CLIPA-certified team ensures safe, eye-catching holiday decorations tailored to your property's architecture.
Questions
What areas do you service?
We serve South King County and surrounding areas including Black Diamond, Tacoma, Federal Way, Puyallup, and Seattle, WA.
Do you offer a satisfaction guarantee?
Yes, we provide a 100% satisfaction guarantee on all our exterior cleaning services.
Are your cleaning methods safe for plants?
Our eco-friendly solutions and soft washing techniques protect landscaping while effectively cleaning exteriors.
How often should gutters be cleaned?
We recommend gutter cleaning twice annually, in spring and fall, with additional checks after major storms.
Can you clean second-story windows safely?
Yes, we use water-fed poles to safely and effectively clean windows on multi-story buildings.
Do you handle commercial properties?
Yes, we provide exterior cleaning services for both residential and commercial clients.
