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Plumbers and heating and cooling contractors in Cowlitz County, WA

  • 73

    Contractors

  • 18

    With Google ratings

  • 4

    Registered 10+ years

73 plumbers and heating and cooling contractors are listed in Cowlitz County. 8 hold an active USDOT registration.

Of the 8 with a fleet size on record, 5 run one to three trucks, 2 run four to ten and 1 runs more than ten. Longview has the most contractors with 16, then Woodland with 13 and Kelso with 11.

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Contractors 1 to 50 of 73

  1. Diversified Mechanical Solutions LLC
    Longview5.0 from 125 reviews via Google
    (702) 475-9950
  2. Royal Temp Hvac
    5.0 from 30 reviews via Google
    (541) 974-8241
  3. Frost Woodland HVAC Repair
    Woodland5.0 from 11 reviews via Google
    (253) 559-5370
  4. Columbia Drain Pro Services
    5.0 from 4 reviews via Google
    (360) 719-0691
  5. Renaud Electric Heating & Cooling
    Longview4.8 from 1100 reviews via Google
    (360) 423-1420
Map of plumbers and heating and cooling contractors in Cowlitz County, WA
Pins mark ZIP code areas. A number shows how many contractors share that ZIP code.
  1. Mr. Rooter Plumbing
    Longview4.8 from 422 reviews via Google
    (360) 558-3660
  2. All Out Sewer & Drain Service, Inc
    4.8 from 70 reviews via Google
    (360) 414-8655
  3. AEM Plumbing LLC
    Kelso4.8 from 44 reviews via Google
    (360) 762-4119
  4. Boyd's Custom Plumbing, LLC
    4.8 from 5 reviews via Google
    (360) 747-9595
  5. B&B Air Conditioning & Heating
    Longview4.7 from 56 reviews via Google
    (360) 423-3010
  6. Drain king
    Longview4.6 from 94 reviews via Google
    (360) 270-0714
  7. Pilot Plumbing and Drain
    Longview4.6 from 33 reviews via Google
    (360) 326-0477
  8. Gallow & Smith Plumbing & Heating
    Longview4.6 from 25 reviews via Google
    (360) 425-8055
  9. Cascade Construction Electric and Plumbing
    Kelso4.5 from 253 reviews via Google
    (360) 425-0600
  10. Infinite Heating & Cooling
    Longview4.4 from 14 reviews via Google
    (360) 261-6545
  11. Service Patriots
    Kelso4.3 from 124 reviews via Google
  12. Atlas Mechanical Inc North Cascade Excavating
    Woodland
    (360) 607-4087
  13. Tim Eastman Mechanical
    Castle Rock
    (360) 274-7607
  14. Columbia Mechanical Inc
    Woodland
    (360) 518-4248
  15. MGM- Mike Gwynn Mechanical
    Kelso
    (360) 751-3022
  16. Wood Family Heating LLC
    Kelso
    (360) 200-6090
  17. 2 Guys Plumbing LLC
    Castle Rock
    (360) 274-3453
  18. AC NW Heating & Cooling Inc
    Woodland
    (360) 560-5575
  19. AMG Plumbing Service LLC
    Longview
    (559) 239-7140
  20. Anthony's Plumbing
    Kelso
    (760) 694-3387
  21. Atlas Mechanical Inc
    Woodland
    (360) 887-8054
  22. Advance Sewer Drain Solutions
    3.5 from 15 reviews via Google
    (360) 578-2831
  23. Advanced Mech Htg & Clg, LLC
    Longview
    (360) 703-7113
  24. Affordable Construction & Plumbing Inc.
    Longview3.5 from 8 reviews via Google
    (360) 261-0866
  25. Anytime Sewer & Drain Service, LLC
    (360) 425-1728
  26. Arctic Longview HVAC Repair
    Longview
    (253) 595-9798
  27. Bates Plumbing & Mech LLC
    Longview
    (360) 575-3333
  28. Brockmueller Plumbing LLC
    Longview
    (206) 707-3843
  29. Carlson's Heating & A/C Inc
    Kelso
    (360) 425-4888
  30. Cascade Plumbing Service Co
    Woodland
    (503) 544-7454
  31. Cedar Creek Plumbing
    Woodland
    (360) 263-4018
  32. Coastal Plumbing LLC
    Castle Rock
    (360) 949-3589
  33. Consistent Clmt HTG & CLG LLC
    Kelso
    (360) 749-5441
  34. Cor Tech Plumbing & Mech LLC
    Longview
    (360) 644-4571
  35. Custom Heating & Cooling LLC
    Kelso
    (360) 636-1850
  36. Dale McGhee&Sons Well DRL Inc
    Kelso
    (360) 423-8493
  37. Denali Heating & A/C LLC
    Castle Rock
    (360) 274-8049
  38. Express Kelso AC Repair
    Kelso
    (253) 595-9810
  39. Feltons Heating & Cooling Inc
    Longview
    (360) 577-5871
  40. Golden Heart Plumbing LLC
    Longview
    (509) 218-7628
  41. Granite Plumbing Services LLC
    Kalama
    (360) 947-6338
  42. Hendrickson Plumbing LLC
    Woodland
    (360) 798-0268
  43. Hilltop Refrigeration Inc
    Woodland
    (775) 771-4004
  44. Independent Plumbing LLC
    Ariel
    (360) 980-9176
  45. J H Kelly LLC
    Longview
    (360) 423-5510
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Ranked by verified owner, then a Google rating of 4.0 or higher, then review count, then fleet size. A lower rating is still shown, and ranks with the listings we hold no rating for. How ranking works

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Services in Cowlitz County

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Homes in Cowlitz County

Half the homes in Cowlitz County were built before 1976, 57% before 1980 and 30% before 1960. (Census Bureau American Community Survey table B25035, 2020 to 2024 5-year estimates; Census Bureau American Community Survey table B25034, 2020 to 2024 5-year estimates)

From 1991 to 2020, Cowlitz County averaged 5,571 heating degree days and 130 cooling degree days a year. (NOAA NCEI nClimDiv county heating degree days, 1991 to 2020 averages; NOAA NCEI nClimDiv county cooling degree days, 1991 to 2020 averages)

In Cowlitz County, 86% of occupied homes heat with electricity, 6% with utility gas and 5% with wood. (Census Bureau American Community Survey table B25040, 2020 to 2024 5-year estimates)

Plumbing and HVAC rules in Washington

What plumbing and HVAC work costs in Washington

Ranges are national; ask contractors near you.

A plumber's hourly rate
$45 to $200 an hour; most charge $70 to $150 (HomeAdvisor, Fixr, HomeGuide)
A plumber's service call
$50 to $300 a visit, which often covers the first hour (HomeAdvisor, Fixr, HomeGuide)
After-hours or emergency call
about $100 to $300 added to the call, or about $150 to $350 an hour (HomeAdvisor, Fixr, HomeGuide)
Burst or leaking pipe repair
$200 to $3,000; the guides' averages run $500 to $1,200 (HomeAdvisor, Fixr, HomeGuide)
Clearing a sink, tub or toilet drain
$100 to $275 (HomeAdvisor, Fixr, HomeGuide)
Clearing the main line
$175 to $800; typically $350 to $650 (HomeAdvisor, Fixr, HomeGuide)
Hydro jetting
$350 to $1,400, depending on the line and the blockage (HomeAdvisor, Fixr, HomeGuide)
Gas tank water heater
$700 to $2,700 installed; about $1,900 on average (HomeAdvisor, Fixr, HomeGuide)
Tankless water heater
$1,600 to $5,600 installed for gas, depending on gas line and venting work (HomeAdvisor, Fixr, HomeGuide)$850 to $3,000 installed for electric, before any panel upgrade ($850 to $1,700) (Fixr, HomeGuide)
Heat pump water heater
$2,000 to $4,600 installed in place of an electric tank; more when it replaces gas (HomeAdvisor, Fixr, HomeGuide)
Sewer camera inspection
$125 to $500 (HomeAdvisor, Fixr, HomeGuide)
Sewer line replacement
about $1,400 to $5,300 for a typical line (HomeAdvisor, HomeGuide)$50 to $250 a linear foot (HomeAdvisor, HomeGuide)
Replacing central AC on existing ducts
$3,900 to $8,000; about $6,000 on average (HomeAdvisor, Fixr, Forbes Home)
Swapping a heat pump on existing ducts
$4,000 to $8,000; a 3-ton system about $3,900 to $6,200 (HomeAdvisor, Forbes Home, HomeGuide)
A whole-home heat pump system
commonly $14,000 or more (NYSERDA, Massachusetts EEAC, Fixr, HomeGuide)
Replacing a gas furnace
$3,800 to $6,200 at standard efficiency (HomeGuide, HomeAdvisor, Fixr, Forbes Home)$5,200 to $12,000 at high efficiency (90% AFUE and up) (HomeGuide, HomeAdvisor, Fixr, Forbes Home)
Replacing an electric furnace
$1,600 to $8,000, with a like-for-like swap at the low end (Fixr, HomeAdvisor)
A single-zone mini-split
$2,000 to $5,000 (HomeGuide, Fixr, Forbes Home)
A multi-zone mini-split
$3,000 to $14,000 for 2 to 4 zones (HomeGuide, Fixr, Forbes Home)
An HVAC tune-up
$70 to $350 a visit; a basic tune-up is often about $100 to $200 (HomeGuide, HomeAdvisor, Fixr)
An HVAC maintenance plan
$120 to $500 a year (HomeGuide, Fixr)

Ranges from HomeAdvisor, HomeGuide, Fixr, Forbes Home, NYSERDA and the Massachusetts EEAC, checked September 2026.

What plumbing and HVAC work costs in Washington

Rules in Washington

Washington licenses plumbing contractors and certifies plumbers through its Department of Labor and Industries.1, 2 Heating and cooling contractors in Washington register as specialty contractors rather than holding a competency license.1, 2 Your local building department in Washington can tell you whether replacing a water heater, furnace or AC needs a permit.

Plumbing and HVAC rules in Washington

Nearby counties

Sources

  1. Washington State Open Data Portal ↑
  2. Washington State Legislature ↑