65/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 861 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 861 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6615 SW McEwan Rd, Lake Oswego, OR 97035
Best Plumbers in Lake Oswego, OR (2026)
425 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Lake Oswego: Alchemy Plumbing & Drain Cleaning, CR Score 65/100; 4.9★ from 861 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Rescue Rooter, posts 24/7 hours; ranked #2 of 425.
- 3
Most-reviewed: 3 Mountains Home Services, 5,760 Google reviews at 4.8★, the most of 425 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
425 Lake Oswego plumbers are ranked here by CR Score, from ten published factors. 130 are open 24/7, 209 open Saturdays and 163 open Sundays, based on posted hours. The median Google rating is 4.9★ across 425 rated businesses.
Top 10 plumbers in Lake Oswego at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Alchemy Plumbing & Drain Cleaning | 65 | 4.9★ (861) | Lake Oswego | 24/7 | Overall |
| 2 | Rescue Rooter | 64 | 4.8★ (3,722) | Clackamas, 7 mi away | 24/7 | Emergencies |
| 3 | 3 Mountains Home Services | 64 | 4.8★ (5,760) | Milwaukie, 3 mi away | Sat · Sun · Evenings | Most reviews |
| 4 | Mr. Rooter Plumbing | 64 | 4.8★ (1,761) | Gladstone, 5 mi away | 24/7 | — |
| 5 | Roto-Rooter Plumbing & Water Cleanup | 64 | 4.8★ (2,190) | Portland, 7 mi away | 24/7 | — |
| 6 | Cornel's Plumbing, Heating & Air Conditioning | 63 | 4.9★ (2,121) | Portland, 11 mi away | 24/7 | — |
| 7 | Roto-Rooter Plumbing & Water Cleanup | 63 | 4.8★ (1,675) | Wilsonville, 9 mi away | 24/7 | — |
| 8 | Henco Plumbing Services | 63 | 4.8★ (900) | Portland, 6 mi away | 24/7 | — |
| 9 | Pipeline Plumbing & Drains | 63 | 4.9★ (519) | Tigard, 5 mi away | 24/7 | — |
| 10 | Roto-Rooter Plumbing & Water Cleanup | 62 | 4.9★ (505) | Tualatin, 6 mi away | 24/7 | — |
The 425 best plumbers in Lake Oswego, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Clackamas, 7 mi away
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 3,722 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 3,722 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 12430 SE Capps Rd, Clackamas, OR 97015
Based in Milwaukie, 3 mi away
64/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 5,760 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 5,760 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat–Sun 8 AM–5 PM
- Address
- 9800 SE McBrod Ave, Milwaukie, OR 97222
Based in Gladstone, 5 mi away
64/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 1,761 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,761 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 260 82nd Dr, Gladstone, OR 97027
Based in Portland, 7 mi away
64/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 2,190 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 2,190 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 519 SW Park Ave #303, Portland, OR 97205
Based in Portland, 11 mi away
63/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 2,121 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 2,121 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 14271 NW Science Park Dr, Portland, OR 97229
Based in Wilsonville, 9 mi away
63/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 1,675 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,675 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 28655 SW Boones Ferry Rd, Wilsonville, OR 97070
Based in Portland, 6 mi away
63/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 900 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 900 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1801 SE Grand Ave STE 110, Portland, OR 97214
Based in Tigard, 5 mi away
63/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 519 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 519 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9780 SW Tigard St, Tigard, OR 97223
Based in Tualatin, 6 mi away
62/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 505 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 505 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9530 SW Tualatin-Sherwood Rd, Tualatin, OR 97062
Based in Portland, 7 mi away
62/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 256 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 256 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 833 SE Main St Mailbox 210, Portland, OR 97214
Based in Portland, 5 mi away
62/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 539 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 539 Google reviews
- Hours
- Mon–Fri 8 AM–6:30 PM · Sat–Sun 8 AM–5 PM
- Address
- 9350 SW Tigard St, Portland, OR 97223
Based in Hillsboro, 12 mi away
62/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 986 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 986 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2900 SE Cornelius Pass Rd Ste 101, Hillsboro, OR 97123
Based in Vancouver, 15 mi away
62/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 1,290 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 1,290 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2001 Main St #200, Vancouver, WA 98660
Based in Portland, 8 mi away
61/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.5★ from 1,974 Google reviews, listed on Google as “Plumber”.
- 4.5★ from 1,974 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 650 NE Holladay St Suite 1600, Portland, OR 97232
Based in Vancouver, 14 mi away
61/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 1,087 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 1,087 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2717 E 5th St, Vancouver, WA 98661
Based in Tualatin, 6 mi away
61/100CR ScoreRanked #17 because of its Google rating and review volume: 4.9★ from 3,375 Google reviews.
- 4.9★ from 3,375 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 19305 SW Teton Ave, Tualatin, OR 97062
Based in Forest Grove, 7 mi away
61/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 167 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 167 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Oregon City, 7 mi away
61/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 147 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 147 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 18744 Allegheny Dr, Oregon City, OR 97045
Based in Portland, 7 mi away
61/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 149 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 149 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1011 SE Oak St, Portland, OR 97214
Based in Gresham, 13 mi away
61/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 349 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 349 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1023 SE 223rd Ave, Gresham, OR 97030
Based in Gresham, 11 mi away
61/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 367 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 367 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1954 SE 182nd Ave Ste 9, Gresham, OR 97233
Based in Hillsboro, 16 mi away
61/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 800 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 800 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Oregon City, 8 mi away
60/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 123 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 123 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 18801 Lodgepole Way, Oregon City, OR 97045
Based in Tigard, 5 mi away
60/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 81 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9460 SW Tigard St STE 102 A, Tigard, OR 97223
Plumbers ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 425 ranked plumbers here; the rest are on their profiles.
Also serving Lake Oswego
20 more plumbers within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 100% Plumbing Portland | In Lake Oswego | |
| A-1 Installations NW LLC | 3.1★ (102) | In Lake Oswego |
| Advanced Mechanical Services | 3.0★ (2) | 9 mi |
| Apollo Plumbing, Heating & Air Conditioning - OR | 4.8★ (4,141) | 16 mi |
| Area 1 Plumbers Jatc | In Lake Oswego | |
| ATI Plumbing Inc | 5.0★ (2) | 5 mi |
| Clog Pro Plumbing & Drain | 4.8★ (369) | 18 mi |
| CWM Services | 5.0★ (2) | 2 mi |
| Eagle Paving and Construction | 5.0★ (2) | 9 mi |
| Elemental Plumbing LLC | In Lake Oswego | |
| Octopus Project Management | 5.0★ (2) | 15 mi |
| Owen & Sons Heating & Air Conditioning | In Lake Oswego | |
| Reece Johnson Paving & Excavation | 5.0★ (2) | 9 mi |
| Reliable Lake Oswego Plumbers | In Lake Oswego | |
| Rescue Rooter | 4.2★ (152) | 6 mi |
| River City Environmental | 4.5★ (386) | 11 mi |
| Roth Home | 4.8★ (11,146) | 12 mi |
| The Service Plumbers Gladstone | 5.0★ (2) | 5 mi |
| Victor's Window Cleaning | 5.0★ (2) | 16 mi |
| Vincelli Plumbing LLC | In Lake Oswego |
How much do plumbers cost in Lake Oswego?
National price ranges in USD, not adjusted for Lake Oswego. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Water heater replacement | $882 | $1,348 | $1,826 | Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
How to check a plumber's license in Oregon
In Oregon, Oregon Construction Contractors Board licenses Construction contractor license plus a plumbing contractor license from the Building Codes Division.
- Search the business name or license number on the Oregon Construction Contractors Board license lookup.
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
How we ranked Lake Oswego plumbers
We scored 425 Lake Oswego plumbers on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Lake Oswego data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Plumbers in Lake Oswego: frequently asked questions
Who is the best plumber in Lake Oswego?
By CR Score, the highest-ranked plumber in Lake Oswego, OR is Alchemy Plumbing & Drain Cleaning with a CR Score of 65/100. It has 4.9★ from 861 Google reviews. It is open 24/7. Rescue Rooter (#2) and 3 Mountains Home Services (#3) follow. We ranked 425 plumbers on ten factors, last updated October 22, 2026.
How many plumbers are there in Lake Oswego?
ContractorsRanked ranks 425 plumbers serving Lake Oswego, OR. 1 of them is based in Lake Oswego; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in Lake Oswego are open 24/7?
130 ranked plumbers in Lake Oswego post 24/7 hours. The highest-ranked are Alchemy Plumbing & Drain Cleaning (#1), Rescue Rooter (#2) and Mr. Rooter Plumbing (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Lake Oswego work on weekends?
209 of 425 ranked plumbers post Saturday hours and 163 post Sunday hours. The highest-ranked open Saturdays are Alchemy Plumbing & Drain Cleaning (#1), Rescue Rooter (#2) and 3 Mountains Home Services (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check a plumber's license in Oregon?
In Oregon, Oregon Construction Contractors Board handles licensing and covers Construction contractor license plus a plumbing contractor license from the Building Codes Division. Search the business or license number at https://search.ccb.state.or.us/search/.
How much does water heater replacement cost in Lake Oswego?
Water heater replacement typically costs $882 to $1,826, with $1,348 typical (Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Lake Oswego. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Lake Oswego plumbers have?
The median Google rating among 425 rated plumbers in Lake Oswego is 4.9★, with a median of 27 reviews. 3 Mountains Home Services has the most, 5,760 reviews, and ranks #3. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank plumbers?
Each plumber gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Lake Oswego
- October 2026: CR Scores recalculated for 425 plumbers serving Lake Oswego.
- October 2026: 6 duplicate listings merged.
More plumbers and Lake Oswego pages
Plumbers near Lake Oswego
- Plumbers in Oak Grove, OR427 ranked
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- Plumbers in Jennings Lodge, OR413 ranked
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- Plumbers in West Linn, OR403 ranked
- Plumbers in Tigard, OR419 ranked
- Plumbers in Clackamas, OR417 ranked
- Plumbers in Tualatin, OR409 ranked
- Plumbers in Garden Home-Whitford, OR444 ranked
Other trades in Lake Oswego
- Roofers in Lake Oswego723 ranked
- Electricians in Lake Oswego340 ranked
- HVAC contractors in Lake Oswego416 ranked
- General contractors in Lake Oswego988 ranked
- Painters in Lake Oswego410 ranked
- Landscapers in Lake Oswego361 ranked
- Handymen in Lake Oswego147 ranked
- Kitchen remodelers in Lake Oswego433 ranked
- Bathroom remodelers in Lake Oswego435 ranked
- Flooring contractors in Lake Oswego354 ranked
- Tile installers in Lake Oswego117 ranked
- Drywall contractors in Lake Oswego35 ranked
- Concrete contractors in Lake Oswego294 ranked
- Fence contractors in Lake Oswego241 ranked
- Deck builders in Lake Oswego256 ranked
- Siding contractors in Lake Oswego295 ranked
- Window installers in Lake Oswego268 ranked
- Gutter installers in Lake Oswego329 ranked
- Insulation contractors in Lake Oswego86 ranked
- Solar installers in Lake Oswego75 ranked
- Garage door repair companies in Lake Oswego94 ranked
- Foundation repair companies in Lake Oswego72 ranked
- Tree services in Lake Oswego279 ranked
- Masonry contractors in Lake Oswego147 ranked
- Water damage restoration companies in Lake Oswego315 ranked
- Home builders in Lake Oswego364 ranked
- Demolition contractors in Lake Oswego92 ranked
- All contractors in Lake Oswego