393 gas fitters filed 1,368 gas fitting permits on homes in the City of Somerville from October 2023 to September 2026; 198 filed one in the last 12 months. The most active in the last 12 months were Akian Plumbing LLC (18 permits), Big Blue Plumbing & Heating, Inc (16) and James Thompson Plumbing & Heating (15); busy is not the same as careful. Somerville gas fitting permits carry no filed job value, so this list compares firms on permits filed, finishing and recent activity only. Side by side: permits filed, share finished 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 gas fitting permits filed in the last 12 months. This is volume, not quality: a busy firm is not necessarily a careful one.
The 3 ZIP codes with the most gas fitting permits on homes from October 2023 to September 2026. Each opens permits by trade and the most active firms there.
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 393 firms and pulled toward the middle when a record is short.
The order comes from the Somerville permit file, not from reviews: 198 of 393 gas fitters filed a permit in the last 12 months and 61% 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 Somerville.
We do not rate contractors. In this page’s default order, which uses only the permit record through Sep 2026, the top 3 are James Thompson Plumbing & Heating (32 permits, 87% finished), HL Bowman Inc (8 permits) and T.J. Sillari Inc (8 permits). By permits filed alone, the most active is 128 Plumbing & Heating with 43.
393 firms are on the list; the busiest filed 18 gas fitting permits in the last 12 months and the middle firm filed 2 in the whole file. Line them up on the same public measures: permits filed and share of permits finished. 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.
393 firms filed at least one gas fitting permit on homes in the City of Somerville from October 2023 to September 2026; 198 of them filed one in the last 12 months.
We have not matched license records to Somerville firms, so ask for the license number and check it yourself with Massachusetts license lookup. How to check a contractor's license in Massachusetts →
Three you can check against this page: “How many gas fitting permits have you filed in Somerville?” (the middle firm here filed 2; 198 of 393 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?” (61% of older gas fitting permits here were finished). All 10 questions and how to check each →
On this page: 393 firms filed 1,368 gas fitting permits from October 2023 to September 2026, and each firm’s name opens its own permit record. Every number comes from City of Somerville permit applications (issued permits only). To see one permit itself, search the address or permit number with the Somerville permit office. How the records work in Somerville →
Somerville gas fitting permits carry no filed job value, so we can’t rank gas fitters by price. Get two or three written quotes; ask whether the permit fee and the city inspection are included; shortlist from the 198 firms that filed in the last 12 months.
We do not rate or collect reviews. Instead each of the 393 gas fitters here is shown with its permit record: 1,368 permits and the share finished. 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 Somerville permit applications (issued permits only): 393 firms filed 1,368 gas fitting permits on homes in the City of Somerville from October 2023 to September 2026, and 198 of them filed one in the last 12 months. The middle firm has 2 permits 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 Somerville gas fitting permits are filed in January (153 against an average month of 100); July is the quietest (75). When each trade is busiest in Somerville →