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Castle Sprinkler & Alarm, Inc.

Fire protection service · Seat Pleasant, MD · reviewed since 2016

How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 64%74+47Reliability 28%78+22Replies to reviews 8%21+1.7Craft & service penalty66−3.4Experts Score= 67Not enough data for value; its weight is shared by the others.Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.67SCORE
BGradeLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#12 of 16 fire protection servicesPosition by Experts Score among all companies we track in this category. · better than 27%
4.6 ★★★★★ 130 Google reviews · 7 photos
85%five-star reviews
4.85★last 12 monthsAverage stars on reviews from the last 12 months only.
1.4%1–2★ in 2 yearsShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
12%reviews answered by the owner
Oct 2026latest review

Castle Sprinkler & Alarm, Inc. at a glance

Google reviewers rate Castle Sprinkler & Alarm, Inc. 4.6 out of 5 based on 130 reviews, highlighting professional technicians, prompt service, and clear communication for inspections and repairs. Positive feedback frequently mentions responsive customer service and detailed reporting. However, critical reviews cite difficulties reaching the company, unexpected pricing for warranty work, and instances of incomplete cleanup or unannounced visits.

  • Google rating: 4.6 out of 5 from 130 reviews (85% five-star).
  • Reviews on this page: 130 Google reviews (77 with written comments).
  • Owner responses: the business replied to 12% of reviews.
  • Most recent review: October 27, 2026.
  • Service: Fire Protection serving Seat Pleasant, Maryland.

Data from Google, last updated October 28, 2026.

Score profile vs other fire protection services

Score per factor (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: momentum and reliability; weakest: replies to reviews.

Satisfaction74Reliability78Craft & service66Value–Momentum100Replies to reviews21Satisfaction: 74 (median 85)Reliability: 78 (median 81)Craft & service: 66 (median 82)Momentum: 100 (median 100)Replies to reviews: 21 (median 79)
This companyFire Protection Services median0 = centre, 100 = best
SatisfactionSatisfaction · 54% of the scoreRecency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Castle Sprinkler & Alarm, Inc.: 74/100 on this factor. Category median: 85.B
74
ReliabilityReliability · 24% of the scoreHow rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Castle Sprinkler & Alarm, Inc.: 78/100 on this factor. Category median: 81.B
78
Craft & serviceCraft & service · penalty only, up to −10 pointsGoogle review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Castle Sprinkler & Alarm, Inc.: 66/100 on this factor. Category median: 82.B
66
ValueValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Not enough reviews for this factor yet. Category median: 92.–
–
MomentumMomentum · penalty only, up to −10 pointsPenalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Castle Sprinkler & Alarm, Inc.: 100/100 on this factor. Category median: 100.A
100
Replies to reviewsReplies to reviews · 7% of the scoreHow often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.Castle Sprinkler & Alarm, Inc.: 21/100 on this factor. Category median: 79.D
21

Bar = this company · dark tick = category median.

Star ratings

130 Google reviews we collected

  • 5 stars11085%
  • 4 stars108%
  • 3 stars22%
  • 2 stars00%
  • 1 star86%

Praise vs complaints

Phrases our text analysis found in 77 written reviews

  • Praise9989%
  • Complaints1211%

Topic share

How often each topic comes up in the written reviews

  • Staff & attitude3128%
  • Speed & response3027%
  • Quality & results1715%
  • Would recommend1211%
  • Communication109%
  • Honesty & trust76%
  • Price & value44%

What customers talk about

We read 77 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.

  • “Castle's technicians are very professional and knowledgeable.”
    “Very unprofessional, unresponsive and incompetent business.”
  • “They provided prompt follow-up to correct deficiencies found in our establishment.”
  • “Thank you for the professional and outstanding service.”
    “Had to call a 3rd party vendor to assist with a damaged sprinkler head which CSA previously installed incorrectly.”
  • “Friendly staff, would recommend to other businesses.”
    “Please stay away.”
  • “…himself in a courteous and respectful manner while maintaining clear communication regarding the scope of work to be performed.…”
  • “Overall, the technician provided efficient and reliable service, reflecting positively on the standards and professionalism associated with Castle Spr…”
  • “They are responsive to our requests, very friendly, and reasonably priced!”
    “…you the system is in good condition and a month late you will get a "quote" the repair the problems that the technician fond the day they said everyt…”

praise complaint · found by our text analysis, Google review wording unchanged.

Reviews for your job

Customers hired Castle Sprinkler & Alarm, Inc. for 1 kind of job. Pick one to see what they paid and said.

Recent reviews

RickLocal Guide · 19 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a day ago★★★★★

Castle's technicians are very professional and knowledgeable. They provided prompt follow-up to correct deficiencies found in our establishment.

April1 reviewTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 months ago★★★★★

Castle's technicians are very professional and knowledgeable. They provided prompt follow-up to correct deficiencies found in our condo building.

Daisy2 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 months ago★★★★

Excellent Service from Cattle Fire Sprinklers Although we had some scheduling confusion initially, once Cattle Fire Sprinklers arrived, everything went very smoothly. The two gentlemen who came were very professional, knowledgeable, and took the time to clearly explain what we needed. They also provided us with a…

ToyaLocal Guide · 51 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 months ago★★★★★

Everyone is very responsive and helpful. I have been dealing with the same team for years. Jenn G, Michelle M, Bonavy are all wonderful:)

Heather1 reviewTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 months ago★★★★★

Castle has been helpful and quick to respond to US VETS. We are happy to have them working with us!

Daichi3 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 5 months ago★★★

Tech did a good job with parts replacement but didn’t clean up after their work, I spent 20’ to clean up all mess 😔

Photos

Customer reviews

4.6 ★★★★★ 130 reviews on Google · rating breakdown

Reviews from Google, shown as published (original wording, unedited).

Jobs customers hired them for — from Google's service tags and the review text
Filter by topic — each topic is highlighted in the reviews in the same color
Rick MorrisLocal Guide · 19 reviewsTotal number of Google reviews Rick has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Castle's technicians are very professional and knowledgeable. They provided prompt follow-up to correct deficiencies found in our establishment.

Jennepher Melgar10 reviewsTotal number of Google reviews Jennepher has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Castle is great I especially love the comprehensive portal.

nelson gonzalez1 reviewTotal number of Google reviews nelson has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Great service, very professional.

Daniel SimonLocal Guide · 37 reviewsTotal number of Google reviews Daniel has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

These guys are A+. Super Knowledgeable and Timely. Will use again!

April Scott1 reviewTotal number of Google reviews April has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Castle's technicians are very professional and knowledgeable. They provided prompt follow-up to correct deficiencies found in our condo building.

Daisy Ayala2 reviewsTotal number of Google reviews Daisy has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Excellent Service from Cattle Fire Sprinklers Although we had some scheduling confusion initially, once Cattle Fire Sprinklers arrived, everything went very smoothly. The two gentlemen who came were very professional, knowledgeable, and took the time to clearly explain what we needed. They also provided us with a detailed report after the inspection. We really appreciate their professionalism and excellent customer service. We would definitely recommend Cattle Fire Sprinklers!

Toya BellLocal Guide · 51 reviewsTotal number of Google reviews Toya has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Everyone is very responsive and helpful. I have been dealing with the same team for years. Jenn G, Michelle M, Bonavy are all wonderful:)

mark fine2 reviewsTotal number of Google reviews mark has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

excellent customer service and response time

Vincent Paris4 reviewsTotal number of Google reviews Vincent has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Great work, awesome customer service!

charlie allison7 reviewsTotal number of Google reviews charlie has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Very professional on time really no problems.

Castle Sprinkler & Alarm, Inc. on Google Maps →

Business details