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DoorKing Keypad & Intercom Repair: The Los Angeles Owner’s Guide
DoorKing keypad and intercom repair in Los Angeles typically runs $280 – $650 installed, depending on whether you’re replacing a standalone keypad or a full telephone entry system with video. We stock the most common DoorKing control boards, membrane keypads, and speaker/microphone assemblies on our trucks, and most repairs are completed in a single visit. Most Los Angeles homeowners realize their DoorKing unit is failing when the gate stops responding to codes, the call button goes silent, or visitors hear static instead of the homeowner’s voice.
Which DoorKing Models This Applies To
DoorKing has manufactured entry systems in Los Angeles since the 1970s, and the part you need depends entirely on the series stamped on the faceplate or inside the housing. The 1800 series telephone entry systems use a completely different control board than the 1830 or 1833 models, and the 1810 standalone keypad shares no internal components with the 1812 intercom. We see this mismatch constantly: a homeowner orders a 1802-080 keypad membrane for a unit that actually needs the 1833-080 variant, then wonders why the mounting holes don’t line up.
Check the label inside the hinged cover or on the rear housing. The part number format is usually four digits, a dash, then three digits. For keypads, measure the cutout: the 1810 series uses a 4.5-inch by 6-inch opening, while the 1830 series needs roughly 6.5 by 9 inches. The 1833 adds video capability, which means a separate camera module and a heavier-gauge power run.
We carry both OEM DoorKing parts and quality aftermarket equivalents where they exist. For control boards, we stick with OEM; the programming logic is proprietary and aftermarket boards often lose custom relay configurations during power outages. For speaker/microphone assemblies, a well-built aftermarket unit typically performs identically at lower cost. Carver Gate Repair is an independent service provider with no affiliation to DoorKing Manufacturing.
Signs Your DoorKing Keypad & Intercom Repair Is Failing
- Keypad buttons stop registering presses or require hard pressure. The membrane switch beneath the buttons degrades from UV exposure and the fine grit that blows in during Santa Ana wind events. In Sunland-Tujunga and other foothill neighborhoods, we replace these membranes twice as often as in coastal zones.
- Intercom calls connect but audio is garbled, faint, or one-way only. The speaker or microphone element has failed, or the twisted-pair wiring running to the house has corroded at a buried splice. Los Angeles’ clay-heavy soil in the San Fernando Valley holds moisture against underground junctions.
- Gate opens with the remote but not with the keypad code. This usually points to a failed control board relay or corrupted memory, not the keypad itself. The board may still power the display while losing its ability to trigger the gate operator.
- Screen flickers, goes dim, or shows random characters. The power supply board is failing, often from heat buildup in direct-sun installations. We see this on south-facing pedestals in Pasadena and the hillside homes of Silver Lake where afternoon sun pounds the housing for hours.
- System works intermittently, especially on hot afternoons. Thermal expansion loosens solder joints on older control boards. DoorKing units from the 1990s and early 2000s are particularly susceptible; the repair is board replacement, not adjustment.
Replacement Cost & What’s Included
Here’s what DoorKing keypad and intercom repair costs in Los Angeles:
| Service | Typical Range |
|---|---|
| Keypad membrane replacement (1810 series) | $280 – $380 |
| Full keypad assembly with housing | $420 – $580 |
| Intercom speaker/microphone replacement | $320 – $450 |
| Control board replacement (1800/1830 series) | $480 – $650 |
| Full system swap (keypad + intercom + housing) | $780 – $1,200 |
The range reflects part selection (OEM vs. aftermarket where applicable), wiring condition, and whether we need to extend or replace the low-voltage run to the gate operator. Every repair includes removal of the failed component, installation and programming of the replacement, testing with your existing codes, and a written price before any work starts. The 365-Day Done Right Promise covers the full repair, parts and labor, for one year from the date of service. If it fails inside that window, we come back free.
DIY or Call Us?
There’s no high-tension spring or lethal voltage here, but there are still ways to make the problem worse. A homeowner can safely check whether the unit has power at the pedestal base, whether the phone line or ethernet cable is seated firmly, and whether the gate operator itself responds to other inputs. What we don’t recommend: opening the sealed housing in dusty conditions, attempting to solder control board connections, or reprogramming relay logic without the original installer’s manual. We’ve been called to Los Angeles homes where a well-meaning owner reset the board to factory defaults and lost every resident’s entry code.
The Garrison Standard means we show up squared away, fix what’s broken, and don’t make the customer ask twice. If your DoorKing unit is acting up, call us at (469) 530-2485. We’ll diagnose it, quote it in writing, and handle the parts match so you don’t have to decode part numbers in the sun.
FAQs
In Los Angeles, a DoorKing keypad typically lasts 8 – 12 years and an intercom assembly 10 – 15 years, though direct sun exposure and coastal salt air shorten that by 20 – 30 percent. Units in shaded, inland installations like the Hollywood Hills often outlast those baking on a Malibu pedestal. Call (469) 530-2485 and we’ll assess whether yours has life left or if replacement is the honest call.
Membrane keypads and speaker elements can almost always be swapped individually, but control boards with failed relays or corrupted memory need full replacement. We don’t bill you for board-level soldering that won’t hold; if the fix isn’t reliable, we’ll tell you straight. Call (469) 530-2485 for a free estimate.
Most DoorKing keypad and intercom repairs take 45 – 90 minutes on-site, including programming and testing. Control board replacements run closer to two hours if we need to trace and label existing wiring. We stock the common parts on our trucks, so there’s no waiting for a second visit.
We stock membranes, keypads, speaker/microphone assemblies, and control boards for the 1800, 1810, 1830, and 1833 series on every Los Angeles service truck. Less common legacy parts we source overnight from our regional warehouse. If we don’t have it, we’ll tell you before we schedule, not after we arrive.
Written by Lonnie Burke, Owner, Carver Gate Repair at Carver Gate Repair, serving Los Angeles and nearby areas.





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