Free on-site gate assessment - hinges, posts, and your LiftMaster or Nice gate operator checked before anything is quoted
The assessment is free and the quote is the invoice.
Linear Access Control Installation: The Granada Hills Owner’s Guide
We stock and install Linear access control parts throughout Granada Hills, and in most cases we can have your system running the same day we look at it. A typical Linear access control installation in Granada Hills runs between $320 and $780 installed, depending on whether we’re replacing a failed component or adding a new keypad, receiver, or controller to an existing gate. The call usually starts the same way: the gate stopped responding to a remote, the keypad went dark, or a new code won’t take. You found the part number, maybe on a sticker inside the control box, and now you need someone who knows Linear equipment well enough to match it right the first time.
Here’s the thing about Linear access control in Granada Hills: our summer heat and the dust that blows through the Valley are hard on circuit boards and keypad membranes. We see more Linear failures tied to cracked keypad buttons and overheated receivers than anything else. If your system is over eight years old, the part that died probably didn’t owe you much. What matters is that the replacement is matched to your existing wiring and opener, not just whatever looks close on a website.
We’re an independent gate company here in Granada Hills. We are not affiliated with Linear or any manufacturer, which means we’ll give you the straight choice between OEM Linear parts and quality aftermarket equivalents without a sales pitch leaning one way.
Which Linear Models This Applies To
Linear access control parts show up across a wide range of residential gate setups in Granada Hills, and model identification matters more with Linear than with most other brands we work on. The big compatibility split is between Linear’s older wired systems and the newer multi-code and wireless receivers. If you have a Linear AE-100, AE-2000, or AP-5 series keypad, those are hardwired units and they require matching wire runs to the opener. The M3X, AP-3, and AM3 series keypads, on the other hand, often pair wirelessly or through a separate receiver, which changes both the install and the troubleshooting.
Open your control box and look for the model label. Linear stamps a model number on the circuit board itself, usually starting with letters like AP, AE, AM, or M3. If the label is faded or gone, a photo of the board and the keypad face sent to us will usually tell us what we’re dealing with. For Granada Hills homeowners with pre-2010 gate openers, we often recommend OEM Linear replacements because the older wiring and voltage tolerances match exactly. On newer systems, a quality aftermarket receiver or keypad from LiftMaster-compatible lines often works cleanly and saves you 20 to 40 percent.
One compatibility gotcha we hit regularly in Granada Hills: Linear keypads and receivers run on either 24-volt or 12-volt systems depending on the opener, and hooking a 12-volt keypad to a 24-volt circuit will burn it out within days. That’s the kind of detail that separates a job done right from a callback.
Signs Your Linear Access Control Installation Is Failing
- The keypad accepts some codes but not others. This usually points to worn keypad contacts or a failing membrane. Over time the most-used buttons, especially the access code digits, lose their ability to register a clean signal. In Granada Hills, sun exposure speeds up this membrane breakdown faster than shade-protected entries.
- The gate opens on its own or intermittently. A receiver that’s picking up stray signals, or a control board with a corroded relay, can cause random opening. The winter dampness in Granada Hills combined with summer heat cycling is particularly rough on relay contacts.
- The keypad is completely dark but the opener still works from a remote. That’s a dead keypad or a lost power feed to the keypad, not an opener problem. Swapping a remote still works because the remote bypasses the keypad circuit entirely.
- The remote works from close range but not from your driveway entrance. A weakening Linear receiver or an antenna that’s been bent or corroded cuts range dramatically. We diagnose this fast and often the fix is a receiver replacement rather than new remotes.
- The system works, but every few days it quits and needs a reset. This is the classic dying control board symptom. The board gets hot, a component drifts out of spec, and the system shuts down until it cools. Resets buy you a week, not a year.
Tell me what it’s doing and I’ll tell you what it needs, no runaround.
Replacement Cost & What’s Included
Linear access control installation in Granada Hills runs between $320 and $780 installed depending on what failed and what we’re putting in. A straightforward keypad replacement runs $320 to $450. A new receiver with reprogramming runs $280 to $400. A control board replacement, the most involved job, runs $500 to $780 because the board itself is the expensive piece and the wiring check takes time. When we quote a Linear access control installation in Granada Hills, the price is fixed before we start. You’ll know the part cost, the labor, and the total. No surprises at the door.
Here’s what’s included every time:
- Removal and disposal of the failed part
- Matching the replacement to your existing opener voltage and wiring
- Installation, wiring check, and full system test
- Programming your existing codes, remotes, and any secondary entry devices
- The 90-Day Done Right Promise in writing: if it’s not done right, we make it right
For Granada Hills homeowners, we also carry the $40 off any repair over $200 and the permanent 10 percent discount for seniors and veterans, and there is no trip charge inside the county. The quote is the quote.
DIY or Call Us?
There are a couple of things you can safely check that cost nothing. Confirm the breaker or disconnect switch for the gate opener hasn’t tripped. Look at the keypad for visible cracking or water inside the lens, and wipe the button surfaces with a dry cloth. If a wire is hanging loose off the keypad, that is not a fix; that’s a picture you send to us. Beyond that, opening the control box and probing around is where DIY on a Linear system goes sideways. These boards carry live voltage even when the gate is idle, and shorting the wrong two terminals can take out a perfectly good opener along with the bad keypad.
If you’re comfortable replacing batteries in a wireless keypad, that’s a safe first step. If the system is hardwired or the keypad is dead, call (760) 361-6706. We’ll ask what it’s doing, tell you what it likely needs, and set a window we’ll actually honor.
FAQs
A Linear keypad in Granada Hills typically lasts 6 to 9 years before the membrane or internal contacts degrade, with sun-facing installs on the south or west side of a property failing about two years sooner than shaded entries. If we install it, the work itself carries the 90-Day Done Right Promise in writing. Call (760) 361-6706 for an exact quote on your model, estimates are free.
We can repair some Linear control boards when the failure is a burned relay or a swollen capacitor, but in most cases a board that’s over eight years old is cheaper and more reliable to replace than to patch. We’ll tell you straight which route makes sense for your system, not which one makes us more money. Call (760) 361-6706 and we’ll walk you through it over the phone, no charge.
Most Linear access control parts swaps take 60 to 90 minutes on site, including reprogramming and testing, and we can usually do it same day for Granada Hills calls when we can read your model number ahead of time. Some trouble jobs with damaged wiring take longer, and you’ll know before we start.
We keep the most common Linear keypads, receivers, and control boards on the truck for Granada Hills service calls, because waiting on a part means your gate sits open or closed longer than it should. If your system needs an oddball board or a discontinued piece, we’ll source it and tell you the honest lead time up front. We also stock parts for LiftMaster, Mighty Mule, and Ghost Controls, though Linear access control is what we install most around Granada Hills. Call (760) 361-6706 and Hal Gatewood will tell you what we have and what it’ll take.
Written by Hal Gatewood, Owner, Gatewood Fence & Gate, serving Granada Hills and nearby areas.





Before
After
Before
After
Before
After