







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Unilock Windows & Doors: The Santa Clarita Owner’s Guide
We stock, match, and install Unilock-compatible windows and doors across Santa Clarita, with most replacement jobs running $450 – $2,500 per window or door depending on size, glass package, and frame condition. In Valencia, Saugus, Canyon Country, and Newhall, we’re usually able to have a technician out for a window or door lock, hinge, roller, or seal assessment the same week you call. The typical call starts with a window that won’t lock, a door that drags, or glass that fogs between panes, and the owner isn’t sure whether to replace the part or the whole unit. We answer that question without selling you something you don’t need.

Which Unilock Models This Applies To
Unilock windows and doors installed in Southern California homes span several series, and the part you need depends on the era the unit was made and how it was optioned. We’ve worked on Unilock casement, sliding, single-hung, and awning windows, plus hinged and sliding patio doors, across Santa Clarita homes. The label on the edge of the window sash or the hinge side of the door frame carries the model and manufacture codes you need to match a replacement correctly. If the label is gone or faded, we measure the glass unit thickness, the locking mechanism’s mounting pattern, and the roller or hinge geometry. Sticking a generic aftermarket roller into a Unilock slider is a common mistake, and it causes the door to sit high or rub the frame. The OEM part is worth the extra cost on locking hardware and rollers specifically. For glass units, a high-quality aftermarket double-pane with matching low-E coating performs the same and usually saves $75 – $150 per unit.
Styles & brands we work with






Signs Your Unilock Windows & Doors Is Failing
- Fog or moisture between the panes. The seal on the insulated glass unit has failed. In Santa Clarita’s heat, seal failure accelerates once daily temperature swings hit 30+ degrees, and the glass can’t be cleaned from the inside. The fix is a new IGU, not the whole window.
- Window won’t lock, or the lock feels loose. The lock’s internal cam or the keep bar on the frame is worn or misaligned. On Unilock casements, the multipoint lock linkage can slip out of sync, and the window locks but leaves a gap at the toe.
- Sliding door drags or binds. The rollers have flattened or the track is crusted with debris. In Canyon Country and Saugus, fine dust works into the track and grinds the roller wheels down. A new roller set is under $40 in parts, and it usually restores the glide.
- Hinged door rubs the jamb or won’t seal. The hinge screws have wallowed out, or the door slab has settled. This is a fastener and adjustment fix in most cases. If the door is racked because the frame was poorly shimmed, that’s a bigger rehang job.
- Crank handle spins without moving the sash. On Unilock awning and casement windows, the operator gear strips. The crank handle is fine; the operator inside the track is the failed part, and it’s a straightforward swap.
Replacement Cost & What’s Included

For Santa Clarita homeowners, expect these installed ranges:
- Sliding door roller set replacement: $180 – $380
- Window lock or crank operator replacement: $120 – $320
- Insulated glass unit replacement (per window): $350 – $850
- Full window replacement (installed, per window): $450 – $1,500
- Sliding patio door replacement (installed): $1,800 – $4,500
The spread comes from glass size, whether the unit is tempered or laminated, and whether the frame needs cleaning up or re-shimming. Every quote we give is a written line-item price before work starts. No change orders, no surprise add-ons at the invoice. The labor and the parts are under our 365-Day Done Right Promise, and if the repair fails within the year, the second visit is free.
See the difference
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After
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After
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AfterDIY or Call Us?
You can clean the tracks, tighten visible hinge screws, and note which part is acting up. That’s genuinely useful to do before calling, because it helps us bring the right part. What you shouldn’t do is pull a Unilock casement sash out of its frame to replace an operator if you haven’t done one before; the sash is heavier than it looks, and the hinge mechanism binds fast if it isn’t timing correctly. Sliding door rollers are also easy to mishandle because the weight is working against you. Most of these jobs run under $400 in parts and labor when we do them, which is cheap compared to a dropped sash or a cracked glass unit. Call (661) 592-1977 and we can talk it through before scheduling anything.

FAQs

Frames last 20 – 30 years in Santa Clarita’s sun, but seals, rollers, and locks typically need replacement at the 10 – 15 year mark. Heat and valley dust shorten the life of anything that moves or seals. The good news is most of those wear items are replaceable without pulling the whole window. Call (661) 592-1977 if you want us to assess which parts are actually worn before you spend on a full replacement.
No, a blown seal can’t be repaired. The glass unit gets replaced with a new IGU matched to the original’s thickness and coating. In most Unilock frames, the sash can be reglazed in place, which keeps the cost under $850 instead of the $1,500+ a full new window runs. Call (661) 592-1977 for an exact quote – measuring is free.
Most single-part repairs are done in under two hours. A roller set on a sliding door takes about an hour, a window operator swap is 45 minutes, and a glass unit replacement usually runs two to three hours including cleanup. We’ll give you a live arrival time and a before-and-after photo update so you’re not sitting around guessing. Call (661) 592-1977 to schedule.
We stock the most common Unilock roller sets, window locks, crank operators, and sweep seals on our trucks. Less common sizes and specialty glass units are ordered and usually in within a week. If the part you need is Unilock-specific, we get it rather than forcing an aftermarket mismatch onto your frame.
Contact Sawyer Remodel Santa Clarita
If you’ve got a Unilock window or door acting up in Santa Clarita, Valencia, Saugus, Canyon Country, or Newhall, call (661) 592-1977 for a free estimate. We’ll identify the exact part, give you a written price, and tell you straight whether it’s a repair or a replacement. The work tells the story. We just show up and do it right.
Written by Luca Romano, Owner, Sawyer Remodel Santa Clarita at Sawyer Remodel Santa Clarita, serving Santa Clarita and nearby areas.


