King County
Plumber in Carnation, WA
Carnation's Census median year built is 1993: 39% of homes date from 1980 to 1999, 31% from 2000 or later and 30% from before 1980, including 14% from before 1960.
Key facts
- Serving
- Carnation, WA
- ZIP codes
- 98014
- From our shop
- About 21 driving miles from Monroe
- Water
- City of Carnation
- Estimates
- Free, upfront flat-rate pricing
- Emergencies
- 24/7 at (425) 845-3535
Plumbing in Carnation
Carnation's tap water comes from its own small system of 1,065 connections. The main source is a spring on city-owned land one mile south of town at NE 24th Street and 344th Avenue NE, backed by a community well sunk 160 feet at Entwistle and Milwaukee streets. The water is treated with chlorine, and the 2022 lead and copper round found no samples over the action levels.
Carnation's public sewer is young. King County's Carnation Treatment Plant has operated since 2008, fed by a vacuum sewer that depends on a candy-cane-shaped air vent on each connected property. The Tolt and Snoqualmie rivers flood seasonally; on December 11, 2025, floodwater closed SR 203 north and south of town, turning it into what the mayor calls "Carnation island."
Near Tolt-MacDonald Park, Remlinger Farms, Camlann Medieval Village, and everywhere in between.
Local know-how
What's hard on plumbing in Carnation.
Flush only toilet paper
King County's owner's manual for Carnation's vacuum sewer is blunt: anything over two inches in diameter will clog the pipes, and grease builds up into backups. Flush only toilet paper, trash the wipes, and call us when drains start to slow.
Sewer backups in heavy rain
The city warns that even houses not expected to flood may have sewers back up into basements during heavy rains. For floods under two feet, it suggests a drain plug or standpipe; after high water, we can camera-inspect your sewer line.
Pre-1960 homes and galvanized pipe
About 14% of Carnation homes were built before 1960, when galvanized steel supply pipe was common, and 30% before 1980. Rusty water or low pressure at a single fixture can signal corroded pipe; we inspect and quote repiping in writing.
Water running right now?
Shut off the main water valve, turn off the water heater, and call us. Our emergency line answers 24/7.
Services
Our services in Carnation.
- 01Plumbing
Drain cleaning in Carnation
Slow sinks, backed-up showers and main-line clogs cleared with professional cable machines and hydro-jetting, with a camera inspection when we need to see what's causing it.
- — Kitchen, bathroom, laundry and floor drains cleared
- — Main sewer line cleaning from the cleanout
- — Hydro-jetting to scour grease, scale and roots off the pipe walls
Typical price: $250–$550 for a standard drain cleaning
Learn more - 02Plumbing
Water heaters in Carnation
Tank and tankless, gas and electric: same-day repairs, code-compliant replacements and upgrades, with the unit sized to your household.
- — Diagnosis and repair of thermostats, elements, gas valves, igniters and leaks
- — Tank water heater replacement, same day when possible
- — Tankless water heater installation and upgrades
Typical price: $2,200–$4,000 for a replacement, depending on the unit
Learn more - 03Plumbing
Leak repair in Carnation
Leaks found with electronic detection instead of guesswork, then fixed for good: pipes, fittings, valves, fixtures, slabs and burst lines.
- — Leak detection behind walls, under floors and in slabs
- — Pipe, fitting and valve repairs (copper, PEX, galvanized, CPVC)
- — Burst and frozen pipe repair
Typical price: $500–$1,100 for most leak repairs
Learn more - 04Plumbing
Repiping in Carnation
Aging galvanized or polybutylene supply lines replaced with PEX or copper, with small access openings, a pressure test and a written warranty.
- — Whole-home PEX or copper repipe
- — Galvanized steel and polybutylene replacement
- — New shutoff valves at fixtures
- 05Plumbing
Sewer lines in Carnation
Main sewer lines camera-inspected, cleaned of roots and grease, and repaired or replaced when the pipe itself has failed.
- — Sewer camera inspection with the footage explained
- — Main line cleaning and root cutting
- — Hydro-jetting for grease and root buildup
- 06Heating & cooling
HVAC in Carnation
Furnaces, heat pumps, air conditioners and ductless mini-splits repaired, maintained and installed, plus duct cleaning and repair.
- — Furnace repair, maintenance and replacement
- — Heat pump repair and installation
- — Air conditioner service and installation
Also available in Carnation: faucet, toilet and fixture installation, 24/7 emergency plumbing, and the Dam Good Defenders Club membership.
- Upfront, written flat-rate price before any work begins
- Dam Good Guarantee: if something we fixed isn't right, we come back and make it right, no charge.
- WA contractor license BEAVEPI741J3
Good questions
Carnation plumbing FAQ.
Don't see your question? Call or text (425) 845-3535. A real person answers, 24/7.
Where does Carnation's water come from?
From the city's own sources. The City of Carnation serves 1,065 connections mainly from a spring on city-owned land one mile south of town, with a 160-foot community well at Entwistle and Milwaukee streets as the secondary source. The water is chlorinated, and the most recent lead and copper round (2022) had no samples over the action levels.
What is the candy-cane pipe in my Carnation yard?
It's the air vent for Carnation's vacuum sewer, which feeds King County's Carnation Treatment Plant. The vent lets air into your side sewer during each vacuum cycle, which protects your house plumbing. Don't cut, plug or remove it, and check its screen quarterly. Damage caused by a neglected vent or side sewer is the property owner's responsibility.
Nearby areas we serve
Sources for local facts on this page
- https://storage.googleapis.com/proudcity/carnationwa/2025/10/9f2c6642-2024-consumer-confidence-report-water-quality.pdf
- https://kingcounty.gov/en/dept/dnrp/waste-services/wastewater-treatment/facilities/carnation
- https://cdn.kingcounty.gov/-/media/king-county/depts/dnrp/waste-services/wastewater-treatment/facilities/carnation/docs/0804carnsewermanual_web.pdf
- https://www.carnationwa.gov/departments/flooding-info/
- https://www.valleyrecord.com/news/carnation-duvall-isolated-due-to-flood-waters/
- https://www.carnationwa.gov/tolt-macdonald-park-and-campground/
- https://en.wikipedia.org/wiki/Snoqualmie_Valley_Regional_Trail
- https://en.wikipedia.org/wiki/Carnation,_Washington
- https://censusreporter.org/profiles/16000US5310215/
Plumbing problem in Carnation? Let's fix it right.
Free estimates, upfront flat-rate pricing, and a 24/7 emergency line at (425) 845-3535.