







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Unilock Windows & Doors: The Orange County Owner’s Guide
Unilock windows and doors parts replacement in Orange County typically lands between $350 and $2,800 for most hardware, track, and weather-sealing jobs, and the work can usually be scheduled within the week. The version we see most often: a door that won’t seat or a window sash that’s gone stiff, because the original factory components were built to a different climate than what coastal salt air and inland heat actually put them through. That’s the gap we fill.
We’re not affiliated with Unilock, and that matters. It means we tell you what’s true about the part, not what the manufacturer’s warranty department wants echoed. In most Orange County homes the issue isn’t the glass or the frame. It’s a failing hinge cartridge, a worn operator gear, or hardened weatherstripping. You find it when the window starts binding, the door starts dragging, or water finds its way past the seal after ten or fifteen years of sun exposure. If you’re noticing any of those, call us at (562) 262-2907 and describe what the hardware looks like. We’ll tell you over the phone whether it’s a part we can swap in an hour or a full unit that should be quoted.
Which Unilock Models This Applies To

Unilock’s window and door hardware follows their modular framing system, which is good news for parts matching. The hinge, roller, or lock geometry changes between their slider, casement, and single-hung lines, but the mounting footprint on any given series is consistent. If you can find the small white label on the frame edge or take a picture of the lock side and a ruler measurement between the screw holes, we can usually identify the series without a site visit.
The gotcha we learn the hard way: Unilock has changed hardware suppliers at least twice in the years they’ve been selling in California. Two windows with identical stickers from two different production years can have subtly different hinge depths or slightly different track profiles. That’s why we don’t just look up a part number and hand you something close. We check the actual geometry against the unit, and when the OEM part is discontinued or backordered, we use aftermarket equivalents only from the same manufacturers that supply the commercial glazing trade in Southern California. Not the generic imports you’ll find in a big-box aisle. Those fail inside a season.
Along with Unilock hardware, we keep parts in rotation for several other premium lines, including KraftMaid, Cambria, and Silestone hardware-adjacent components. If you have a mixed house, we can address more than one system in the same visit.
Styles & brands we work with







Signs Your Unilock Windows & Doors Is Failing
- Window sash sticks or takes two hands to move. The nylon roller or hinge cartridge has likely fatigued from years of heat cycling. Original Unilock rollers are decent but not immortal in a direct-afternoon-sun exposure like we get in Anaheim Hills, Irvine, or Yorba Linda.
- Door drags or makes a grinding sound when operating. The bottom track has worn flat, or the door carriage wheels are no longer round. Steel wheels grind. Once the track is scarred, new rollers on old track will still drag. Sometimes you replace both.
- Water stains on the interior sill after rain. The weatherstripping has compressed to the point where it can’t seal, or the weep system is clogged with dust and old lubricant. Coastal moisture accelerates this in Huntington Beach and Newport Beach homes within a mile of the ocean.
- Lock or latch requires jiggling to catch. Stripped internal detents in the lock body, or the door alignment has shifted because the hinge screws have come loose from the wood substrate. If it’s just alignment, sometimes it’s a 20-minute correction. If the lock body is worn, it gets replaced.
- Visible haze or condensation inside the glass unit. The sealed glass pack has failed. This isn’t a hardware repair. It’s a new insulated glass unit, and we’ll order it to the exact dimensions of the opening. Anything less than a proper replacement leaves you with the same fog in two years.
See the difference
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AfterReplacement Cost & What’s Included

Here’s the straight number. Hardware replacement, rollers, and minor track work for Unilock windows and doors in Orange County runs $350 to $1,100 for most single-part fixes with labor. A full door slab or replacement window unit, installed, runs $1,200 to $2,800 when custom sizing is involved. If you need the entire opening reframed to a different size, that moves into full replacement territory: $4,500 to $15,000, which follows our standard window replacement pricing, not a parts-page rate.
The range depends on three things. First, is the hardware OEM-available or are we machining a proper aftermarket match? Second, has the frame been neglected so long that the track itself is gouged? Third, what’s behind the frame? If there’s water damage in the substrate, that has to be corrected before a new door or window seals correctly. Orange County homes have everything from stucco to wood siding to composite, and each one handles differently.
Every proposal includes the written price for the part, the labor, and the exact scope in plain English before anything is ordered. The work falls under our 365-Day Done Right Promise: if the repaired or replaced part fails within a year, we return and correct it at no charge. That’s in writing, every time.
DIY or Call Us?
Some things you can check without touching tools. If a door is dragging, look at the wheel housings. If you see black dust built up around the roller, the wheels are grinding and either the door has dropped or the wheels are shot. You can also run a vacuum through the bottom track. But there are places we’d steer you away from a quick fix: any window spring balance under tension, any door with a self-closing mechanism, anything that requires pulling the frame apart. Those systems store energy. If you release a spring balance wrong, fingers get broken. We’d rather send a background-checked, uniformed technician who carries the right parts on the truck. Call (562) 262-2907 and we’ll walk you through it first.
FAQs

Frame and glass typically last 20 to 30 years in Orange County, but hardware and weatherstripping often need attention at the 10 to 15 year mark depending on sun exposure and coastal salt air. Hardware replacement usually extends the full unit’s life by another decade or more. Need a specific answer for your unit? Call us at (562) 262-2907 for a free evaluation.
Yes, some parts, like door alignment and minor track cleaning, can be adjusted rather than replaced, but worn rollers, hinges, and lock internals generally need new components to last. We always quote the least invasive fix that will hold up. Call (562) 262-2907 and we’ll help you sort repair from replacement.
Most single-part replacements take one hour to two hours on site once the part is in hand. Custom-ordered pieces may add a few days of wait before we schedule the visit. We’ll tell you the timeline in writing before work begins.
We stock the most commonly failed Unilock parts, including rollers, hinge cartridges, and lock bodies, on our trucks for most series. Odd custom sizes are ordered direct and usually arrive within a few business days.
If your Unilock windows or doors are starting to fight you, don’t let it go another season. Straight number, clear scope, no surprises at final invoice. Call Curtis Lane and the team at Bradford Remodeling Co Orange County for a free estimate. (562) 262-2907. A real person picks up.
Written by Curtis Lane, Owner, Bradford Remodeling Co – Orange County at Bradford Remodeling Co Orange County, serving Orange County and nearby areas.


