45 fire sprinkler contractors filed 113 fire sprinkler permits on homes in the City of Cambridge from October 2023 to September 2026; 25 filed one in the last 12 months. The most active in the last 12 months were Tristar Fire Protection (14 permits), A&E Fire Protection, Inc (5) and Encore Fire Protection (3); busy is not the same as careful. Cambridge fire sprinkler 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 fire sprinkler permits filed in the last 12 months. This is volume, not quality: a busy firm is not necessarily a careful one.
The 5 ZIP codes with the most fire sprinkler 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 45 firms and pulled toward the middle when a record is short.
The order comes from the Cambridge permit file, not from reviews: 25 of 45 fire sprinkler contractors filed a permit in the last 12 months. 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 Cambridge.
We do not rate contractors. In this page’s default order, which uses only the permit record through Sep 2026, the top 3 are A&E Fire Protection, Inc (6 permits), Tristar Fire Protection (28 permits, 95% finished) and Encore Fire Protection (5 permits). By permits filed alone, the most active is Tristar Fire Protection with 28.
45 firms are on the list; the busiest filed 14 fire sprinkler 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 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.
45 firms filed at least one fire sprinkler permit on homes in the City of Cambridge from October 2023 to September 2026; 25 of them filed one in the last 12 months.
We have not matched license records to Cambridge 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 fire sprinkler permits have you filed in Cambridge?” (the middle firm here filed 1; 25 of 45 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?”. All 10 questions and how to check each →
On this page: 45 firms filed 113 fire sprinkler permits from October 2023 to September 2026, and each firm’s name opens its own permit record. Every number comes from City of Cambridge Inspectional Services permits (the city's per-type open-data permit files). To see one permit itself, search the address or permit number with the Cambridge permit office. How the records work in Cambridge →
Cambridge fire sprinkler permits carry no filed job value, so we can’t rank fire sprinkler contractors by price. Get two or three written quotes; ask whether the permit fee and the city inspection are included; shortlist from the 25 firms that filed in the last 12 months.
We do not rate or collect reviews. Instead each of the 45 fire sprinkler contractors here is shown with its permit record: 113 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 Cambridge Inspectional Services permits (the city's per-type open-data permit files): 45 firms filed 113 fire sprinkler permits on homes in the City of Cambridge from October 2023 to September 2026, and 25 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 Cambridge fire sprinkler permits are filed in May (138 against an average month of 100); January is the quietest (53). When each trade is busiest in Cambridge →