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Lilly's Septic ServicePlumber in Maple Valley, WA

Lilly's Septic Service is a plumber at 26207 Maple Valley Black Diamond Rd SE Ste D1, Maple Valley, WA 98038, rated 4.9 from 288 Google reviews. Open Monday to Friday.

Maple Valley, WA0 paid placements in any rankingHow we rank

Call (425) 432-3084Website ↗

Key facts

Key facts about Lilly's Septic Service
Address26207 Maple Valley Black Diamond Rd SE Ste D1, Maple Valley, WA 98038Get directions
Phone(425) 432-3084
Websitelillyseptic.com
HoursMonday to Friday: 9 AM – 4 PM
Google rating4.9 from 288 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Plumbingmain tradeGoogle main category

Service area

Serves Maple Valley and 11 towns within 25 miles: Lake Morton-Berrydale, Hobart, Covington, East Hill-Meridian, Lea Hill, Fairwood, East Renton Highlands, Kent, Auburn, Issaquah and Enumclaw.

Based in Maple Valley, WAView on map

Opening hours

Opening hours for Lilly's Septic Service
DayHours
Monday9 AM – 4 PM
Tuesday9 AM – 4 PM
Wednesday9 AM – 4 PM
Thursday9 AM – 4 PM
Friday9 AM – 4 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Typical plumbing prices

Typical plumbing prices
JobLowTypicalHigh
Water heater replacementPer unit, installed (unit plus labor); typical range of customer-reported jobs. US national range$882$1,348$1,826

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Reviews

ContractorsRanked reviews

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Google

4.9from 288 Google reviews

Hired Lilly's Septic Service? Write a review

Questions about Lilly's Septic Service

What are Lilly's Septic Service’s hours?

Lilly's Septic Service is open Monday to Friday. Its listed hours are Monday to Friday, 9 AM – 4 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Lilly's Septic Service serve?

Serves Maple Valley and 11 towns within 25 miles: Lake Morton-Berrydale, Hobart, Covington, East Hill-Meridian, Lea Hill, Fairwood, East Renton Highlands, Kent, Auburn, Issaquah and Enumclaw. The list is based on the business's location and the usual service radius for plumbing. Confirm your address is covered when you call.

What do Google reviews say about Lilly's Septic Service?

Lilly's Septic Service has a rating of 4.9 from 288 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Lilly's Septic Service?

Call Lilly's Septic Service on (425) 432-3084. The business is at 26207 Maple Valley Black Diamond Rd SE Ste D1, Maple Valley, WA 98038. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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