Mon–Sat 8:30 AM–7 PMCall (310) 628-9399

Small electrical

Doorbell and Video Doorbell Installation in Alhambra, CA

Short answer: We can swap an old chime button for a wired or video doorbell.

Whether it is a house on a quiet Alhambra street or a condo entry off a shared walkway, a doorbell that rings reliably and a camera that shows who is there make a real difference. We install the doorbell you chose on the wiring you have and leave it working on your phone.

Doorbell button on a wall
Stock photo · Wikimedia Commons (CC0)

What’s included

  • Video doorbells connected to existing doorbell wiring
  • Corner and wedge kits so the camera sees the path, not the wall
  • Silent or sticky buttons replaced
  • Chimes replaced or fitted with the adapter a video model needs
  • Weak doorbell transformers replaced in place
  • Battery doorbells for doors with no bell wire, including many condos

What we don’t do

  • Adding circuits, upgrading the panel or swapping breakers; those are outside our scope.
  • Running wire to a new location in a wall or ceiling.
  • Mounting anything heavier than its box is rated to carry.

In Alhambra homes

About 77 percent of Alhambra’s homes were built before 1980, according to a city housing report. In houses that old, the doorbell transformer is often original, hidden near the panel, in the garage or in an attic, and it was sized for a simple chime. Video doorbells draw more power, so an old transformer is the usual reason a new camera drops offline or reboots.

Get a quote in one text

Send photos of the doorbell button, the chime, the doorbell model you picked, and say whether it is a house or a condo. Our number for photos is (310) 628-9399, and the price comes back before any work is booked.

Cord cover, Breaker, WiringCord coverBreakerWiring

Houses and condos

In a single-family house, the bell wire usually runs from the button to a chime in the hall and a transformer elsewhere. In condos and apartments, the entry may have no bell wire, or a building intercom we leave alone. Battery doorbells suit those doors and mount without touching building wiring.

Finding the transformer

We follow the wire or test at the chime to locate the transformer. Once found, we read its output and compare it with what your doorbell maker asks for.

Mounting on stucco and wood

On stucco we drill with a masonry bit, use anchors and seal behind the plate. On wood trim we pre-drill to keep the trim from splitting.

Anchor, Doorbell, DoorAnchorDoorbellDoor

Setting up the app

We connect the doorbell to your Wi-Fi, check the signal at the door, set motion zones so sidewalk traffic does not trigger alerts, and show you how to share access with family.

Chimes worth keeping

Some older chimes have a sound people like. Many video doorbells can still ring them with an adapter; we tell you if yours can.

Privacy and neighbors

We aim the camera at your own entry and path. Motion zones can exclude a neighbor’s door or window.

Window, Plaster, Mesh tapeWindowPlasterMesh tape

Wi-Fi at the door

A weak signal at the entry causes lag and missed alerts. Check bars on your phone at the door before the visit; an extender near the entry often fixes it.

Where our part ends

New bell wire through finished walls, or a transformer that needs a new connection at the panel, is outside our scope.

Angle kits on side paths

Alhambra lots often put the front door at an angle to the sidewalk. A corner or wedge kit points the camera at the approach instead of a stucco wall.

Ceiling fan, Fixture, BulbCeiling fanFixtureBulb

Condos without bell wire

Many Alhambra condominiums have an intercom or no doorbell wire at all. A battery doorbell with a plug-in chime covers those entries without touching building wiring.

Sharing access

We show you how to invite a family member or property manager in the app, and how to remove access later.

In older Alhambra houses this job often turns up next to peephole installation, lock and smart lock installation, outdoor and motion lighting, smoke detector and CO alarm installation and door repair and adjustment, so mention those when you text and we can price them together.

Smoke alarm, Lock, Ground wireSmoke alarmLockGround wire

Sources: City of Alhambra, housing needs report (age of housing stock).

Doorbell and video doorbell installation questions from Alhambra homeowners

Why does my doorbell not work?

A dead transformer, a broken button or a loose wire at the chime. We test each one with a meter before replacing anything.

Doorbell install steps1Check the oldwiring2Mount the newbutton3Connect the chime4Test and set upthe app
How a doorbell gets swapped.

Can a handyman install a video doorbell?

Yes, on the existing doorbell wiring, or as a battery model where no wire exists.

Doorbell box mounted by an entry
Photo: Les Orchard, CC BY 2.0, cropped

Why does my doorbell camera keep going offline?

Weak Wi-Fi at the front door or low power from an old transformer. A mesh point near the door or a new transformer usually fixes it.

Outlet replacement steps1Breaker off andtested2Note the wiring3Connect the newdevice4Power on and test
A like-for-like outlet or GFCI swap, in order.

Repair guides for this job

Inside of an old mechanical doorbell with rusty gears
Photo: Hichhich, CC BY-SA 3.0, via Wikimedia Commons

Looking for a handyman in Alhambra for more than one job? Send the whole list and we’ll price it together.

We serve Alhambra first, plus Monterey Park, San Gabriel and other nearby cities. Have a question? See the handyman FAQ.

  • Estimates are free
  • Based in the San Gabriel Valley
  • Heads-up text on the way
  • One-fix visits are fine
  • Open Mon–Sat 8:30 AM–7 PM
  • Merick speaks English, Mandarin and Cantonese · 中文

How a doorbell and video doorbell installation visit works

  1. Send a pictureSnap the doorbell and video doorbell installation on your phone and add your street.
  2. See the priceYour free estimate arrives by text, and nothing is scheduled until you say yes.
  3. DoneYou get a text when I leave, the repair gets finished, and the area is swept.
Old intercom panel with brass buttons and a speaker
Photo: Francesco Bini, CC BY-SA 4.0, via Wikimedia Commons

Texts usually answered within the hour; it can vary.

What you can count on

If it isn’t right, I return to fix it. Message me about any repair of mine that acts up and I’ll be back.

Nothing extra without your OK. The quote you agree to is what you pay unless you approve a change first.

“highly efficient, professional and friendly staff. will use their services again!”

Jess M., Alhambra, CA · Read reviews on Yelp

Request a doorbell and video doorbell installation quote

Your phone’s messages app opens with these details; this site keeps nothing. Add the picture there. Texts usually answered within the hour; it can vary.

Reviews

Customers on Yelp

Quoted exactly as written on Yelp, where the business is listed as Szeto Plumbing and Handyman.

highly efficient, professional and friendly staff. will use their services again!
Jess M.Alhambra, CA · Yelp review · Dec 20, 2022
Rick was excellent! He arrived on time, quickly diagnosed the issue, and fixed it efficiently. Very professional, friendly, and reliable service. Highly recommend!
Stephanie Z.Azusa, CA · Yelp review · Oct 2, 2025

See all Szeto Plumbing and Handyman reviews on Yelp