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Alliston · updated July 2026

Basement Waterproofing Companies in Alliston: the standings

20 basement waterproofing companies serving Alliston, ranked by Google rating and review count. The bar shows each one's review volume against the leader. Nobody can pay to move up.

Featured slot — open

One labelled spot above these standings, reserved for a claimed Alliston business. It never changes the ranking below. Claim your listing to take it.

  1. 1
    Aquatech Basement Waterproofing Toronto
    ★★★★★ 5 · 863 reviews · (416) 300-2191
  2. 2
    RCC Waterproofing Toronto
    ★★★★★ 4.8 · 791 reviews · (416) 747-1920
  3. 3
    PHD Plumbing Drain well service
    ★★★★★ 4.9 · 524 reviews · Alliston · (249) 294-7999
  4. 4
    Dryshield Basement Waterproofing Toronto
    ★★★★★ 4.9 · 292 reviews · (800) 277-5411
  5. 5
    PHD Plumbing
    ★★★★★ 4.9 · 184 reviews · Alliston · (249) 315-0055
  6. 6
    Aquamaster Basement Waterproofing Etobicoke
    ★★★★★ 5 · 141 reviews · (416) 901-4562
  7. 7
    Aquamaster Basement Waterproofing Barrie
    ★★★★★ 4.9 · 105 reviews · Barrie · (705) 881-8141
  8. 8
    Perimeter Water Solutions Corp.
    ★★★★★ 5 · 46 reviews · Alliston · (519) 217-7968
  9. 9
    Waterproof Basement
    ★★★★★ 4.9 · 49 reviews · Barrie · (705) 999-3502
  10. 10
    Waterproofing PD Basement Waterproofing Caledon
    ★★★★★ 5 · 43 reviews · (416) 333-8222
  11. 11
    Wet Basement Resolutions
    ★★★★★ 4.7 · 38 reviews · Wasaga Beach · (647) 234-7244
  12. 12
    Capstone Renovations Inc.
    ★★★★★ 5 · 19 reviews · Alliston · (705) 440-3336
  13. 13
    Liftec Slabjacking Inc Unclaimed
    ★★★★★ 4.9 · 20 reviews · Alliston · (705) 435-6629
  14. 14
    Alzimadeks Contracting - Home Renovations, Flooring, Tiles
    ★★★★★ 5 · 16 reviews · Alliston · (416) 804-6325
  15. 15
    Ontario Wet Basement Solutions Inc.
    ★★★★☆ 4.3 · 19 reviews · Barrie · (844) 533-4949
  16. 16
    AAA AFFORDABLE RENOVATIONS INC.
    ★★★★★ 5 · 12 reviews · Alliston · (647) 332-2605
  17. 17
    Sealed Right Waterproofing
    ★★★★★ 4.7 · 13 reviews · Alliston · (519) 940-8853
  18. 18
    Dryshield Basement Waterproofing Orangeville
    ★★★★★ 5 · 8 reviews · Orangeville · (226) 540-0146
  19. 19
    All In One Contractors Inc.
    ★★★★★ 5 · 8 reviews · Alliston · (416) 951-3583
  20. 20
    Expert Landscaping
    ★★★★★ 5 · 1 reviews · Alliston · (647) 821-8645
How the standings work. Rank = Google rating × review volume, observed for the Alliston area in July 2026. No submissions, no fees, no exceptions — a business moves up by earning reviews, not by paying us. Refreshed monthly.

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