Drainage & Plumbing in West Vancouver
Need a plumber in West Vancouver? The Municipality of West Vancouver was incorporated on March 15, 1912 after separating from the District of North Vancouver. The Lions Gate Bridge opened May 29, 1938 and connected the community to Stanley Park, but the dominant residential development came in 1932 when 1,600 acres of the slopes above Marine Drive were bought by Pacific Properties (the Guinness family) and developed as the British Properties. The mix of mid-century homes in Ambleside and Dundarave near the waterfront, the 1950s through 1990s estate homes climbing up to the British Properties, and the older houses out toward Caulfeild and Horseshoe Bay all face one thing in common: massive volumes of groundwater coming down off Cypress and Hollyburn through the escarpment.
West Vancouver runs from the Lions Gate Bridge west past Park Royal Shopping Centre (Canada's first mall, opened in the 1950s), through Ambleside, the Ambleside seawall, Dundarave Park, Dundarave Pier and Dundarave Beach at 24th and 25th Streets, up into the British Properties on the slopes of Cypress and Hollyburn, and continuing west through Caulfeild, Westmount, Eagle Harbour, and Horseshoe Bay. Mountain runoff, snowmelt, and sloping grades mean drainage is the single biggest plumbing concern in this community. We work waterfront on Bellevue Avenue, the streetscape blocks around Dundarave Pier, and the escarpment streets in the British Properties. Ryan picks up and we camera every line before we quote.
What West Vancouver Homeowners Are Dealing With
West Vancouver homes face a unique combination: huge groundwater volume coming down the mountain from the Cypress and Hollyburn watersheds, sloped lots, high property values that make landscaping disruption expensive, and atmospheric river storms that test every drainage system at least twice a year.
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Massive groundwater volume on British Properties and Westmount escarpment lots. Homes on the slopes of Cypress and Hollyburn, especially in the British Properties and Westmount, receive enormous volumes of groundwater coming downhill year-round. If the perimeter drains and area drains cannot handle the flow, water finds the lowest point, which is usually a crawlspace or finished basement. Proper drainage design is not optional on the escarpment.
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Failed perimeter drains on 1950s through 1980s West Van homes. Homes built across Ambleside, Dundarave, and the lower British Properties between the 1950s and 80s have perimeter drains that are 40 to 70 years old. Most are cracked, collapsed, or undersized for the water volume coming downhill. We typically replace with perforated PVC, drain rock, and filter fabric, sized for actual escarpment flow.
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Storm and area drain blockages from leaves and slope sediment. Mature trees throughout West Van shed enormous leaf volume in fall. Combined with fine sediment from the slopes, area drains and storm lines clog quickly. Hydro jetting clears them. Annual maintenance is worth it on most West Van properties.
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Pinhole leaks in older copper supply lines. 1960s and 1970s West Van homes are at the age where original Type M copper supply lines start pinhole leaking from inside the wall. Wet patches on drywall and minor ceiling stains are the early signs. We trace, cut out, and replace with PEX or new copper, and patch back cleanly.
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Sump pumps overworked during atmospheric river events. Atmospheric river storms dump enormous rain volumes onto the escarpment in November and again in March. A residential sump pump without battery backup and no redundancy will fail at exactly the wrong moment. We install commercial-grade pumps with battery backup standard on West Van properties. See sump pump.
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Cracked sewer laterals running long distances downhill to the city connection. West Van laterals are often longer than typical and run downhill at steep grades. Cracks, root intrusion, and bellies happen over time. Trenchless pipe lining or pipe bursting avoids tearing up landscaping that took 40 years to mature.
Signs You Should Not Ignore in West Vancouver
Whether you own a waterfront home on Bellevue Avenue in Ambleside, a 1960s mid-century house in Dundarave near the pier, or an estate home in the British Properties or Westmount, here are the signs that need attention before the next big storm:
| What You Notice | What It Usually Means |
|---|---|
| Wet crawlspace or basement during heavy rain | Failed or undersized perimeter drains |
| Sump pump running constantly through November | Pump end of life or perimeter compromised |
| Standing water in driveway or yard | Blocked area drain or catch basin |
| Pinhole leaks in ceiling or drywall | Pinhole corrosion in older Type M copper |
| Pooling water against retaining wall | Wall drain failure or grading issue |
| Slow drains throughout the house | Root intrusion or cracked lateral |
| Sewer smell in basement | Corroded stack or dry trap |
| Damp patch on slope above foundation | Compromised hillside drainage |
We camera the line before quoting anything. You see exactly what is in there before any work starts.
Our Services
If you need drainage help or a plumber in West Vancouver, this is what we offer. From a flooding crawlspace in the British Properties to a cracked main lateral in Ambleside to a blocked storm line near Dundarave Pier. One call, one crew. Ryan picks up and gives you a firm price after we camera the line.
Drain Tile Repair
Failed perimeter drain replacement on sloped West Van lots. We upgrade to perforated PVC with drain rock surround, sized for escarpment flow volumes.
→Sump Pump Installation & Repair
Commercial-grade sumps with battery backup. Designed for atmospheric river storm volumes. Standard on most West Van homes.
→Hydro Jetting
Annual or post-storm clearing of area drains, catch basins, and storm lines. Same-day response. Common on every West Van property.
→Pipe Replacement
Pinhole copper repair, galvanized to PEX upgrades, sewer lateral replacement. Common in 1960s and 70s West Van homes.
→Video Camera Inspection
We camera the perimeter, the lateral, or the storm line before quoting. You see exactly what is under your landscaping.
→Trenchless Water Solutions
Replace long downhill laterals without trenching across high-value West Van landscaping. Pipe lining and pipe bursting.
→Why West Vancouver Homeowners Choose Mamba Drainage Services
West Van homeowners need a plumber who understands escarpment drainage, respects high-value landscaping, and gives a straight price. Here is why this community keeps calling us back.
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Designed for escarpment drainage volumes. We size perimeter drains and sumps for what actually comes down the Cypress and Hollyburn slopes, not for what works on flat city lots.
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Respect for landscaping that cost a fortune to grow in. Mature gardens on West Van lots took decades. We use trenchless methods wherever site conditions allow.
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Same-day response on the North Shore. We cover North Van and West Van daily. Ryan picks up when you call. Call (778) 961-0824.
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Camera before we quote. We never guess what is wrong with a perimeter drain or a long downhill lateral. Camera first, then a firm quote.
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No travel fee. Zero travel surcharge to West Van. Same pricing as Vancouver.
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4.9 stars on Google from 86 real customers. Most of our West Van work comes from referrals from neighbours who have already lived through one wet winter and remembered the fix.
"Great service from Ryan and his team. They were on time, communicated clearly, and finished the job at the price they quoted. No surprises. Will use again."
"Mamba Drainage came out same-day for a kitchen sink that was completely backed up. Cleared in under an hour, charged exactly what was quoted. Highly recommend."
"I called Ryan at Mamba Drainage Services for a problem with a backed-up sump and drain tiles. He quoted me a reasonable price and his crew was punctual, hard-working, and did excellent work."
Frequently Asked Questions
Other Areas We Serve
We cover all of Vancouver and greater Vancouver. Near West Vancouver we also work in these areas regularly.
Our Services
Drainage, plumbing, sump pumps, pipe replacement and more. One crew, no subcontractors, same-day response.
Drainage Problem in West Vancouver?
Call now or fill in the contact form. Camera inspection first, firm price before any work starts.