Fix garage door sensor — Cambridge, MA
Last updated: September 24, 2026
Local housing snapshot: Cambridge, MA
- Population: about 118,000
- Median year homes were built: 1948
- Homes built before 1980: 69%
- Owner-occupied homes: 34%
Older homes can mean different materials, wiring, venting or permit needs. Mention your home's age when you contact a provider.
Source: U.S. Census Bureau, American Community Survey 2019–2023 5-year estimates.
What affects the price
Figuring out what a garage door repair will run depends on a few specific variables. The main factor is whether the issue is mechanical—like a broken spring, frayed cable, or a faulty motor—or if the door panels themselves are damaged. Parts quality and the size or weight of your door also play a role in the total. We don't guess over the internet; a technician assesses your specific setup to provide an exact pricing confirmed free on the call.
About this service
Garage door sensors are the small safety eyes located near the ground that prevent the door from closing on an object or person. If your door reverses suddenly or the lights on the opener are blinking, the sensors might be misaligned or faulty. Fixing this usually involves cleaning lenses, checking wiring, or adjusting the mounting brackets. We get your safety system back in order; exact pricing confirmed free on the call.
Frequently asked in Cambridge
What is involved in replacing a garage door bottom seal?
What are the benefits of a side mount garage door opener?
What are the typical issues with LiftMaster garage door repair?
LiftMaster garage door repair in Cambridge often addresses issues ranging from remote control connectivity problems to motor unit malfunctions. Pros will first check the power supply and the remote's battery. They will then inspect the drive mechanism (chain, belt, or screw) for wear or damage, as well as the safety sensors for proper alignment. Sometimes, a simple reset of the logic board can resolve persistent glitches. For more complex problems, experienced technicians can diagnose and repair or replace faulty components. We can arrange for these expert repairs.
What are the characteristics of roll up metal garage doors?
What are the advantages of modern garage doors?
What is a chain drive garage door opener?
What services are offered by garage door repair companies?
Also serving nearby: Newton · Boston · Quincy · Lynn · Brockton
More on this: CPSC garage door safety — safety standards for openers.
Service area details
Serving all of Cambridge — population 118,214; about 18,479 residents per square mile across 6.4 sq mi. ZIP codes covered include 02138, 02139, 02140, 02141, 02142, 02238.
Neighborhoods served in Cambridge: Harvard Square, Central Square, Inman Square, Porter Square, Kendall Square — and every surrounding area.
Areas we serve
Browse by state, then city.