
Our Services
Quality Work That Protects What Matters Most
Every home tells a story, and yours deserves to be built on solid ground. From emergency repairs to long-term maintenance, we deliver craftsmanship you can trust — with fixed pricing, no surprises.

Emergency Unblocking
High-pressure water jetting and manual rodding to clear blocked drains fast — before water damage sets in.
CCTV Drain Surveys
Specialized camera inspections for pre-purchase home surveys or to pinpoint structural faults underground.
Drain Repairs & Relining
Advanced no-dig relining technology that fixes cracked pipes without tearing up your yard.
Preventative Maintenance
Scheduled cleaning and descaling to prevent costly blockages and keep your drainage system healthy.
Tanker & Pump Services
Septic tank emptying, cesspit maintenance, and rapid water extraction for basement flooding.
Our Work
Recent Projects
Every project gets the same attention to detail — here's a look at some of our recent work across King County.

Kirkland, WA
French Drain Installation
Full perimeter French drain system with gravel bed and corrugated pipe to redirect groundwater away from the foundation.

Bellevue, WA
Foundation Waterproofing
Exterior foundation waterproofing with dimpled drainage board and membrane application on a new residential build.

Seattle, WA
Crawl Space Encapsulation
Complete vapor barrier encapsulation with dehumidifier installation, protecting the home from moisture and mold.

Why Us
Built on Trust, Delivered With Care
We're a family business, and we treat your home like it's ours. Every project gets the same attention to detail we'd give our own property.
24/7 Emergency Response
Drainage problems don't wait — and neither do we. Day or night, we're here to prevent water damage to your home.
No Call-Out Charges
You only pay for work performed, never just for a visit. That's how we'd want to be treated, so that's how we treat you.
Your Neighbors Trust Us
We've served families across Seattle, Bellevue, and King County for years. Many of our clients come through word-of-mouth referrals.
Fixed, Honest Pricing
We quote a clear price before any work begins. No surprise invoices, no hidden fees — just straightforward service.
Testimonials
What Homeowners Say
Don't just take our word for it — hear from families who've trusted us with their homes.
"Wu Construction saved our basement during the heavy rains last winter. They came out the same day we called and installed a drainage system that's worked perfectly ever since. Couldn't recommend them more."
"We had three different companies quote our crawl space encapsulation. Wu was the most thorough in explaining what needed to be done and their price was fair. The finished work is immaculate — our home inspector was impressed."
"Honest, reliable, and they do what they say they'll do. Our foundation waterproofing project was done on time and on budget. Two years later, zero issues. That's the kind of work you want protecting your home."
Contact Us
Let's Talk About Your Home
Whether it's an emergency or a planned project, we're here to help. Reach out for a free, no-obligation estimate.
Business Location
13333 Lake City Way NE
Seattle, WA 98125
Mailing Address
14150 NE 20th Street F1-380
Bellevue, WA 98007
Business Hours
Mon–Sat: 7 AM – 6 PM
Emergency: Available 24/7