Comprehensive pricing for every plumbing service from drain cleaning to whole-house repiping

Last Updated: March 2025


Quick Reference: What You'll Pay

Service Low Average High
Service call $75 $125 $200
Hourly rate $75 $95 $150+
Drain cleaning $120 $185 $350
Water heater install $1,200 $2,500 $4,500
Whole-house repipe $4,200 $8,500 $15,000+

Regional Price Variations

Washington State has significant cost differences by region. Seattle metro commands the highest rates, while Eastern Washington and rural areas tend to be more affordable.

Region Price Multiplier Typical Hourly Rate
Seattle / Eastside 1.25-1.40x $100-$150/hr
Tacoma / South Sound 1.10-1.20x $85-$120/hr
Olympia 1.00-1.10x $75-$100/hr
Bellingham 1.05-1.15x $80-$110/hr
Spokane Metro 0.85-0.95x $65-$90/hr
Tri-Cities 0.90-1.00x $70-$95/hr
Rural WA 0.80-0.95x $60-$85/hr + travel

Important: Rural areas may have lower hourly rates, but expect $50-$150 travel fees for contractors driving more than 30 minutes.


Drain & Sewer Services

Drain Cleaning

Service Low Average High
Simple clog (snake) $120 $175 $275
Camera inspection $100 $250 $500
Hydro-jetting $300 $550 $900
Main line cleaning $200 $400 $700
Floor drain cleaning $100 $175 $300

Sewer Line Services

Service Low Average High
Sewer line repair (per linear foot) $55 $70 $95
Sewer line replacement (traditional) $3,000 $7,500 $15,000
Trenchless sewer repair $4,500 $9,000 $18,000
Sewer cleanout installation $500 $1,200 $2,000

Seattle Note: Older Seattle neighborhoods (Capitol Hill, Ballard, Queen Anne) often have clay or cast iron pipes from the early 1900s. Budget 20-30% more for complications.


Water Heater Services

Tank Water Heaters

Service Low Average High
40-gallon gas install $1,200 $1,800 $2,500
50-gallon gas install $1,400 $2,100 $3,000
40-gallon electric install $1,000 $1,500 $2,200
50-gallon electric install $1,200 $1,800 $2,600
Water heater repair $150 $350 $700

Tankless Water Heaters

Service Low Average High
Gas tankless install $2,500 $4,000 $6,500
Electric tankless install $1,500 $2,800 $4,500
Tankless conversion (from tank) $3,500 $5,500 $8,000

Heat Pump Water Heaters

Service Low Average High
Heat pump water heater install $2,500 $4,200 $6,000

WA Rebate Alert: Washington utilities offer $500-$1,000 rebates for heat pump water heaters. Check with PSE, Seattle City Light, or your local utility.


Fixture Installation & Repair

Toilets

Service Low Average High
Standard toilet install $150 $300 $500
High-efficiency toilet install $250 $450 $750
Toilet repair $75 $175 $350
Toilet replacement (with fixture) $350 $600 $1,200

Faucets & Sinks

Service Low Average High
Faucet install (labor only) $100 $175 $300
Faucet repair $75 $150 $275
Kitchen sink install $200 $400 $700
Bathroom sink install $175 $325 $550
Garbage disposal install $150 $300 $500

Bathtubs & Showers

Service Low Average High
Bathtub install (acrylic) $1,800 $2,500 $4,000
Bathtub install (cast iron) $2,500 $4,000 $6,500
Shower valve replacement $250 $450 $750
Shower stall install (acrylic) $3,000 $4,500 $7,000
Tile shower install $5,000 $7,500 $12,000
Tub-to-shower conversion $3,500 $6,000 $10,000

Pipe Services

Pipe Repair

Service Low Average High
Pipe leak repair $150 $350 $700
Frozen pipe thaw $100 $250 $500
Burst pipe repair $200 $500 $1,200
Pipe insulation (per linear ft) $2 $5 $10

Repiping

Service Low Average High
Repipe 1,000 sq ft home (PEX) $3,000 $5,000 $8,000
Repipe 1,500 sq ft home (PEX) $4,200 $7,000 $11,000
Repipe 2,000 sq ft home (PEX) $5,500 $9,500 $15,000
Copper repipe (add 40-60%) +40% +50% +60%

Why PEX? PEX (cross-linked polyethylene) has become the Washington standard for repiping. It's freeze-resistant, flexible, and costs 30-40% less than copper. Most WA plumbers now recommend PEX over copper for residential work.


Gas Line Services

Service Low Average High
Gas line install (per linear ft) $25 $36 $50
Gas appliance hookup $150 $300 $500
Gas leak detection & repair $150 $350 $700
Gas meter to appliance run $300 $600 $1,200

Water Treatment & Filtration

Service Low Average High
Water softener install $800 $1,200 $2,000
Whole-house filter install $600 $1,500 $3,000
Reverse osmosis system $400 $800 $1,500
Well pump replacement $700 $1,500 $3,000

Septic Systems

Service Low Average High
Septic tank pumping $300 $450 $700
Septic system install (conventional) $6,000 $8,000 $12,000
Septic system install (advanced) $12,000 $20,000 $35,000
Drainfield repair $2,500 $5,000 $10,000

Eastern WA Note: Many rural properties rely on septic systems. King and Snohomish County have stricter regulations that can add $2,000-$5,000 to installation costs.


Labor vs. Materials Breakdown

Understanding the cost split helps you evaluate quotes:

Project Type Labor % Materials %
Drain cleaning 90% 10%
Fixture install 60% 40%
Water heater 35% 65%
Repiping 55% 45%
Sewer line 70% 30%

Factors That Increase Costs

Expect to Pay More When:

  1. Emergency service - After-hours calls add 50-100% to standard rates
  2. Old homes - Pre-1960 homes often have galvanized steel or cast iron pipes requiring special handling
  3. Access issues - Crawl space work, multi-story homes, or hard-to-reach pipes
  4. Permit requirements - Water heaters, gas lines, and major repiping require permits ($75-$300)
  5. Code upgrades - Older systems may need updating to meet current code
  6. Hazardous materials - Lead pipes or asbestos insulation require certified remediation

Seattle-Specific Cost Factors:

  • Parking permits - Many Seattle neighborhoods require parking permits, adding $20-$50/day
  • High-rise work - Condo plumbing jobs often cost 20-30% more due to access and building rules
  • Historic homes - Capitol Hill, Queen Anne, and Ballard have many homes with original 100+ year-old plumbing

Money-Saving Tips

  1. Bundle projects - Multiple repairs in one visit saves service call fees
  2. Off-peak scheduling - Tuesday through Thursday appointments may offer better rates
  3. Supply your own fixtures - Buy the toilet or faucet yourself (but know some plumbers won't warranty your materials)
  4. Get 3 quotes minimum - Prices can vary 30-50% between contractors
  5. Ask about senior/military discounts - Many WA plumbers offer 5-15% off
  6. Check utility rebates - Water-efficient fixtures and heat pump water heaters often qualify
  7. Preventive maintenance - Annual inspections ($100-$200) prevent expensive emergencies

Red Flags: Too Cheap or Too Expensive

Signs of a Scam (Too Cheap):

  • Quote is 40%+ below competitors
  • No license number provided (check at lni.wa.gov)
  • Demands cash payment only
  • Won't provide written estimate
  • No insurance certificate available

Signs of Price Gouging (Too Expensive):

  • Quote is 50%+ above competitors without explanation
  • Pressure tactics ("this must be done today")
  • Vague line items or "miscellaneous" charges
  • Won't itemize labor vs. materials
  • Refuses to explain pricing differences from competitors

Healthy Price Range:

If you get 3 quotes, they should typically fall within 20-30% of each other. A quote that's wildly different in either direction deserves scrutiny.


How to Compare Bids

When evaluating plumbing quotes, ensure each bid includes:

  1. Itemized costs - Labor, materials, and permits broken out separately
  2. Scope of work - Exactly what will be done (and what won't)
  3. Timeline - Start date, expected completion, working hours
  4. Warranty - Labor warranty (typically 1 year) and parts warranty (varies)
  5. License & insurance - Washington contractor license (verify at lni.wa.gov)
  6. Payment terms - Deposit amount, progress payments, final payment

Questions to Ask Every Plumber:

  • "Is this a flat-rate or time-and-materials quote?"
  • "What's included if you find unexpected problems?"
  • "Who will do the actual workβ€”you or a subcontractor?"
  • "What permits will you pull, and are permit fees included?"
  • "How long is your labor warranty?"

When to Call a Plumber vs. DIY

DIY-Friendly:

  • Replacing toilet flapper or fill valve
  • Unclogging drains with a plunger
  • Replacing showerheads
  • Installing new faucet aerators

Always Hire a Pro:

  • Any gas line work (legally required)
  • Water heater installation
  • Main line clogs or sewer issues
  • Repiping or major fixture installation
  • Any work requiring permits

Prices reflect Washington State averages as of March 2025. Always get multiple quotes for your specific project and location.