Best smoke alarm installers in Mascot
Last updatedSaints Electrical opens this list of smoke alarm installers for Mascot, mainly for homes, with fixed quotes and a licence on its details. The rest of the field mixes round-the-clock lines, a crew based in Mascot itself and firms working from further out, such as Cronulla and Botany. Pick by location, by whether you want data cabling at the same visit, and by round-the-clock lines.
Quick picks in Mascot
- Best for alarms fitted with lighting and switchboard jobs: Saints Electrical, which quotes a fixed price up front.
- Best for alarms with data cabling and round-the-clock calls: SOS Electrical (Electrician) and Data Cabling, based in Cronulla.
- Best for a crew based in Mascot: Express Tech Electrical Services, working from the suburb itself.
- Best for alarms with rewires and strata switchboards: WH Electrical Solutions, based in Botany with a 24-hour line.
- Best for quick callouts in the Eastern Suburbs: Randwick Electrical, which advertises 24/7 response.
Best smoke alarm installers in Mascot, ranked
#1Saints Electrical for alarms with lighting, fans and switchboard upgrades
24/7*Licence publishedBased in PenshurstPenshurst-based Saints Electrical reaches Mascot with homes-only work. Smoke alarm installs sit in its list with power points, ceiling fans and EV chargers. Licence 399328C is printed on its details. Pricing is set before the visit. Feedback focuses on explanations given as the work goes and close attention to detail.

#2SOS Electrical (Electrician) and Data Cabling for alarms with 24/7 call-outs
24/7Based in CronullaSOS Electrical (Electrician) & Data Cabling is based in Cronulla and reaches southern Sydney. It runs 24/7 emergency call-outs and does smoke alarm installation next to data cabling, air conditioning installs and commercial lighting. It is an Australian owned firm that installs LED downlights and double-insulated cable. Its details show no licence number, though its site says the team is licensed. Some customers ask for one technician on later jobs.

#3Express Tech Electrical Services for alarms from a crew based in Mascot
Licence publishedExpress Tech Electrical Services is based in Mascot itself and works across eastern and inner-south Sydney. Smoke alarms are one of its listed jobs, along with power points, safety switches, intercoms and emergency lighting. Licence 339353C is shown. Listed hours start at 6am on weekdays, and Saturday hours finish early in the afternoon, so book weekdays where you can. A lifetime guarantee is advertised, and its terms are worth asking for in writing.

#4WH Electrical Solutions for alarms with rewires and strata switchboards
24/7Licence publishedBased in BotanyBotany is the base for WH Electrical Solutions, which takes homes and businesses across the Eastern Suburbs. Round-the-clock emergencies go to its 24-hour line, and it has been operating since 2003. Smoke alarm installation sits among its jobs, with data cabling, electrical safety audits and lighting. Licence 234028C is listed. Commercial jobs can be booked at night or on weekends to limit disruption.

#5Randwick Electrical for alarms with 24/7 response across the Eastern Suburbs
24/7Based in RandwickRandwick Electrical is a local crew of licensed electricians working from Randwick on homes and businesses across the Eastern Suburbs. Emergency response is advertised around the clock, and a customer once had someone turn up inside an hour. Alarms, EV chargers and switchboards all feature in its work. The head electrician brings over 15 years in the trade, alongside an apprentice. Common areas in a strata block need approval first, so clear that before work is booked.
#6Sydney Eastern Suburbs Electrician for switchboards and after-hours faults
24/7Based in Bondi JunctionSydney Eastern Suburbs Electrician has its office in Bondi Junction and covers the Eastern Suburbs. It runs 24/7 call-outs and holds Level 2 work, including meter box and switchboard upgrades for homes. Day-to-day work runs from fault finding to fans and alarms. Customers describe friendly staff and quick finishes. It also lists 24-hour standby for consumer mains work, and upfront pricing with free quotes.
Compare smoke alarm installers in Mascot
Base, round-the-clock cover and licence details for each installer sit in the table below.
| Electrician | Based in | After hours | Licence | Google rating |
|---|---|---|---|---|
| Saints Electrical | Penshurst | 24/7* | โ | โ 4.9 (265) |
| SOS Electrical (Electrician) & Data Cabling | Cronulla | 24/7 | โ | โ 5.0 (115) |
| Express Tech Electrical Services | Mascot | โ | โ | โ 5.0 (13) |
| WH Electrical Solutions | Botany | 24/7 | โ | โ 4.2 (31) |
| Randwick Electrical | Randwick | 24/7 | โ | โ |
| Sydney Eastern Suburbs Electrician | Bondi Junction | 24/7 | โ | โ 3.5 (17) |
24/7* : listed as open 24 hours, but the business doesn't say 24/7 itself. Ratings show from 5 Google reviews.
How we picked smoke alarm installers in Mascot
Installers were sorted by the scores their customers give, with the number of those customers counted as well. Licence numbers in print, round-the-clock cover stated by the firm and a nearby base all add weight. Every business's own page was then read for alarm work, so the details on each page affect where it lands.
Smoke alarm installers in Mascot: FAQ
Which Mascot smoke alarm installers are based in the suburb?
Express Tech Electrical Services is based in Mascot itself. Randwick Electrical works from Randwick, and Saints Electrical from Penshurst.
Which installers combine alarms with data cabling?
SOS Electrical (Electrician) & Data Cabling lists data cabling beside alarms, as do Express Tech Electrical Services and WH Electrical Solutions.
Which installers print a licence number?
Licence numbers appear for Saints Electrical, Express Tech Electrical Services and WH Electrical Solutions. Look for a printed licence before you sign off.