Best Plumbers in Diamond Bar, CA (2026)

20 verified businesses · Sorted by rating & reviews

Also in Diamond Bar

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1

Barker and Sons Plumbing & Rooter

Google★★★★½4.83.9k reviews
→ Stable·3 mo: 4.9★ (35)·6 mo: 4.9★ (123)
Staff:+Cooper (2)
3900 E Miraloma Ave, Anaheim, CA 92806
+1714-667-7800
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2

Dymek's Freedom Plumbing, Inc

Google★★★★★51.1k reviews
Yelp5 stars4.8214 reviews
↓ Declining·3 mo: 4.8★ (19)·6 mo: 4.9★ (58)
2921 E Miraloma Ave #17, Anaheim, CA 92806
+1714-632-8989
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3

Biard & Crockett Plumbing, Heating, and Air Conditioning

Google★★★★½4.91.7k reviews
Yelp4.5 stars4.3220 reviews
→ Stable·3 mo: 5★ (22)·6 mo: 5★ (75)
Staff:+tom (2)+Max (2)
320 E Katella Ave Suite P, Orange, CA 92867
+1714-639-4400
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4

Clean-Out Kings

Google★★★★½4.9109 reviews
Yelp5 stars4.81.5k reviews
→ Stable·3 mo: 5★ (2)·6 mo: 5★ (5)
1331 N East St B, Anaheim, CA 92805
+1866-265-4647
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5

Do It Right Plumbers

Google★★★★½4.82.0k reviews
Yelp3 stars3.2248 reviews
↓ Declining·3 mo: 4.5★ (4)·6 mo: 4.7★ (23)
Staff:+Paul (2)
2284 Glassell St, Orange, CA 92865
+1714-266-1376
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6

Service Hero Plumbing, HVAC, and Electrical

Google★★★★½4.81.8k reviews
↑ Improving·3 mo: 5★ (6)·6 mo: 5★ (14)
Staff:+Alex (2)
740 N Hariton St, Orange, CA 92868
+1714-367-4046
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7

Rooter Hero Plumbing & Air of Anaheim

Google★★★★½4.81.2k reviews
↑ Improving·3 mo: 5★ (12)·6 mo: 4.5★ (17)
1328 S Allec St, Anaheim, CA 92805
+1714-408-2390
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8

A-1 Total Service Plumbing

Google★★★★½4.91.5k reviews
Yelp4.5 stars4.6437 reviews
↓ Declining·3 mo: 4.7★ (9)·6 mo: 4.9★ (23)
640 S Atlantic Blvd, Los Angeles, CA 90022
+1323-643-2844
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9

Orange Coast Plumbing

Google★★★★½4.91.3k reviews
Yelp4 stars4.2548 reviews
↓ Declining·3 mo: 4.4★ (7)·6 mo: 4.8★ (25)
Staff:+rock (2)
1506 Clinton St, Santa Ana, CA 92703
+1714-831-5119
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10

Pristine Plumbing Inc

Google★★★★½4.91.9k reviews
Yelp4.5 stars4.61.4k reviews
→ Stable·3 mo: 4.9★ (12)·6 mo: 4.8★ (41)
16 Technology Dr Ste 140, Irvine, CA 92618
+1714-576-6285
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11

Mr. Rooter Plumbing of Orange County

Google★★★★½4.9570 reviews
Yelp4.5 stars4.3133 reviews
↓ Declining·3 mo: 4.7★ (11)·6 mo: 4.9★ (38)
Staff:+Ruben (2)+John Rocco (2)
430 N State College Blvd, Anaheim, CA 92806
+1657-549-1984
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Mr. Rooter Plumbing of Orange County photo 1
12

Parzival Plumbing

Google★★★★½4.91.0k reviews
Yelp4.5 stars4.6259 reviews
→ Stable·3 mo: 4.8★ (11)·6 mo: 4.9★ (19)
1245 Logan Ave B, Costa Mesa, CA 92626
+1949-245-1450
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13

Coast Plumbing, Heating & Air, Inc.

Google★★★★½4.9604 reviews
Yelp4.5 stars4.6482 reviews
→ Stable·3 mo: 5★ (10)·6 mo: 5★ (50)
Staff:+Nate (2)
17390 Mt Cliffwood Cir, Fountain Valley, CA 92708
+1714-241-1414
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14

DC Drains & Plumbing

Google★★★★½4.9346 reviews
Yelp4.5 stars4.598 reviews
→ Stable·3 mo: 5★ (5)·6 mo: 5★ (15)
Staff:+Robert (2)
1185 E Stanford Ct, Anaheim, CA 92805
+1657-213-8495
Plumber
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15

Beach Plumbing

Google★★★★½4.998 reviews
Yelp5 stars4.8980 reviews
→ Stable·3 mo: 5★ (5)·6 mo: 5★ (20)
3450 E Spring St UNIT 114, Long Beach, CA 90806
+1562-280-7889
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16

THE Water Heater Company

Google★★★★★5219 reviews
Yelp5 stars4.8269 reviews
→ Stable·3 mo: 5★ (48)·6 mo: 5★ (129)
Staff:+Nate (2)
630 S Grand Ave #109, Santa Ana, CA 92705
+1714-406-1602
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17

Plumbing Solution Specialist

Google★★★★½4.9235 reviews
Yelp4 stars4.136 reviews
→ Stable·3 mo: 5★ (9)·6 mo: 5★ (36)
1325 N Red Gum St Suite 3, Anaheim, CA 92806
+1888-973-5422
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18

Prodigy Plumbing | Long Beach Plumber

Google★★★★½4.8948 reviews
↓ Declining·3 mo: 3.7★ (3)·6 mo: 4.2★ (17)
Staff:+CESAR (2)
3090 E 29th St, Long Beach, CA 90806
+1562-414-0494
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19

Jetters 'N' Drains Sewer & Pipe Lining Experts

Google★★★★★5206 reviews
→ Stable·3 mo: 5★ (4)·6 mo: 5★ (14)
Staff:+Felix (2)
1801 S Raymond Ave, Anaheim, CA 92801
+1714-519-2456
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20

Splash Plumbing

Google★★★★½4.8288 reviews
Yelp4.5 stars4.379 reviews
↑ Improving·3 mo: 5★ (4)·6 mo: 4.7★ (28)
Staff:+Deandre (2)
1500 S Lewis St, Anaheim, CA 92805
+1714-332-6885
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