375 plumbers filed 1,844 plumbing permits on homes in the City of San Diego from October 2023 to September 2026; 163 filed one in the last 12 months. The most active in the last 12 months were California Mechanical (93 permits), A R S American Residential Services of California Inc (51) and Asi Hastings Inc (36); busy is not the same as careful. San Diego plumbing permits carry no filed job value, so this list compares firms on permits filed, finishing, license and recent activity only. Side by side: permits filed, share finished, license status and permits in the last 12 months for each firm. Pick what you value and the list re-orders.
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Top 5 by plumbing permits filed in the last 12 months. This is volume, not quality: a busy firm is not necessarily a careful one.
The 8 ZIP codes with the most plumbing permits on homes from October 2023 to September 2026. Each opens permits by trade and the most active firms there.
92128 (175) 92037 (114) 92130 (112) 92126 (109) 92109 (102) 92108 (85) 92111 (82) 92101 (77)
Before you move a slider, the list is in a default order built only from the permit record: how much of each firm’s record is this kind of job (weight 30), how often its permits reached completion (25), how many permits it filed in the last 12 months (15) and how quickly its permits closed (10). Each measure is ranked against the other 375 firms and pulled toward the middle when a record is short; a firm with a matched license problem is listed last.
The order comes from the San Diego permit file, not from reviews: 163 of 375 plumbers filed a permit in the last 12 months and 65% of their permits a year or more old were finished. Nobody pays to be listed or to move up, and there are no star ratings or reviews. The sliders and presets change the weights, and the order changes with them. How the records work in San Diego.
We do not rate contractors. In this page’s default order, which uses only the permit record through Sep 2026, the top 3 are California Mechanical (361 permits, 82% finished), Repipe 1 (13 permits) and California Plumbing SD Inc (27 permits, 84% finished).
375 firms are on the list; the busiest filed 93 plumbing permits in the last 12 months and the middle firm filed 1 in the whole file. Line them up on the same public measures: permits filed, share of permits finished and license status. Pick what matters to you and the list re-orders, for example recent activity if you need someone soon. The order comes from the permit record only, and nobody pays to be listed or to move up.
375 firms filed at least one plumbing permit on homes in the City of San Diego from October 2023 to September 2026; 163 of them filed one in the last 12 months.
248 of the 375 plumbers on the San Diego permit file match an active license, 12 match one that is expired, suspended or inactive, and 115 we could not match. A firm we could not match is not proven unlicensed: the match is by company name. Look any firm up by name or license number with CSLB license check; statuses show under each firm’s name above. How to check a contractor's license in California →
Three you can check against this page: “How many plumbing permits have you filed in San Diego?” (the middle firm here filed 1; 163 of 375 filed one in the last 12 months); “What does your quote include: the permit fee and the city inspection?”; “Will you pull the permit in your company’s name, and when is the final inspection?” (65% of older plumbing permits here were finished). All 10 questions and how to check each →
On this page: 375 firms filed 1,844 plumbing permits from October 2023 to September 2026, and each firm’s name opens its own permit record. Every number comes from City of San Diego Development Services approvals. To see one permit itself, search the address or permit number with the San Diego permit office. How the records work in San Diego →
San Diego plumbing permits carry no filed job value, so we can’t rank plumbers by price. Get two or three written quotes; ask whether the permit fee and the city inspection are included; shortlist from the 163 firms that filed in the last 12 months.
We do not rate or collect reviews. Instead each of the 375 plumbers here is shown with its permit record: 1,844 permits, the share finished and license status. Read reviews on other sites and use this page to check them against the record. Reviews vs permit records →
Every number on this page comes from City of San Diego Development Services approvals: 375 firms filed 1,844 plumbing permits on homes in the City of San Diego from October 2023 to September 2026, and 163 of them filed one in the last 12 months. The middle firm has 1 permit in the whole file. A short record leaves more uncertainty, and some jobs never require a permit.
No usable job value is recorded for this permit type, so no typical cost is shown. See how we compare records.
Most San Diego plumbing permits are filed in January (124 against an average month of 100); September is the quietest (61). When each trade is busiest in San Diego →