Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Unilock Windows & Doors: The San Francisco Owner’s Guide
If you have a Unilock window or door with a failed lock mechanism, worn weatherstripping, or a cracked hinge, we stock the replacement parts to get it working again. Typical installed part replacement in San Francisco runs between $295 and $825 depending on the component, the series, and what the door or window frame needs once we’re in there. Most Unilock parts we replace are done same day, and we carry the common failure items on the truck: lock sets, hinge assemblies, roller kits, and weather seals.
The usual discovery goes like this: a patio door that was smooth six months ago now takes two hands and a hip check to open. Or a window crank that spins without moving the sash. Or a deadbolt that only throws halfway, so the door never feels fully closed. None of these are the end of the world, but in San Francisco’s damp-air neighborhoods like the Sunset or the Richmond, a window or door that doesn’t seal properly stops being an annoyance and becomes a moisture problem quickly.
Which Unilock Models This Applies To
Unilock’s window and door hardware has evolved over the years, and not every part crosses between generations. The brand’s earlier patio door lines used a top-hung roller system with nylon wheels that wear flat over time, while newer Unilock door panels run on adjustable stainless rollers with a different housing profile. If you’re looking at a door that was installed before roughly 2015, the roller kit is almost certainly the older specification. The easiest way to identify what you have is to check the edge of the door panel or the corner of the window sash for an etched or printed series code. If the label is gone, measure the roller housing width: the older Unilock profile is a tight 7/8 inch, and the current profile is 1 inch.
For locks and handles, Unilock uses a multi-point lock body on most French-door and sliding-door configurations. OEM Unilock lock assemblies are well made but priced accordingly, and there are quality aftermarket equivalents that match the screw pattern and tailpiece length. On windows, the crank operators from the mid-2000s have a shorter arm throw than newer ones, which matters because installing the wrong operator will leave a 1/8-inch gap at the meeting rail. We stock OEM Unilock hardware and reputable aftermarket alternatives, and we’ll tell you the honest difference in cost and expected life before you commit to either.
Styles & brands we work with
Signs Your Unilock Windows & Doors Is Failing
- The door rolls, but it drags or chatters. The nylon rollers have worn flat on one side, or the track is packed with San Francisco’s fine dust and pet hair. Flat rollers eventually gouge the track, which turns a $40 roller swap into a track replacement.
- The lock thumb-turn is stiff or only throws halfway. The multi-point lock body has grit inside, or one of the shoot bolts is out of alignment with the keeper. In a salt-air neighborhood near the Bay, internal corrosion makes this worse and faster.
- The window crank circles without moving the sash. The operator’s gear teeth are stripped, usually at the center of the travel where the assembly takes the most load. This is the single most common Unilock window part we replace in San Francisco.
- You feel a draft even with everything latched. The weatherstripping along the interlock or the sill has compressed past the point of sealing. Compressed seals let fog-damp air into the wall cavity, which invites mold along the interior casing in a city like ours.
- The handle is loose no matter how much you tighten the screws. The internal spindle has wallowed out the handle socket, common on polished brass Unilock handles from the early 2000s. A new handle is the only lasting fix, and it should match the door’s existing boring pattern exactly.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
Unilock part replacement in San Francisco runs from $295 to $825 installed, and the spread is almost entirely about which component has failed and how much of the surrounding assembly has to come apart to reach it.
- Roller kit replacement: $295 – $530. Covers both door panels, track cleaning, and adjustment.
- Lock set replacement: $350 – $710. Multi-point or single-point, depending on the Unilock series.
- Weatherseal through replacement: $295 – $590. Felt, pile, or compression TPE depending on the original profile.
- Window crank operator swap: $295 – $530. Includes the operator, arm, and re-timing the sash travel.
- Full door hardware refresh (lock, rollers, seals): $530 – $825. The sensible move when two or more parts have failed.
Every price above is a written, line-item price we put in front of you before the first tool comes off the truck. No change orders because the part was “more work than expected.” We do plenty of Unilock windows and doors work alongside the kitchen and bath remodeling we’re known for, whether it’s a KraftMaid kitchen, a Cambria countertop, or a Silestone vanity top. The part carries its manufacturer warranty if it’s OEM, and our installation labor is covered by the 365-Day Done Right Promise.
DIY or Call Us?
There are a couple of things you can safely check before picking up the phone. Look at the track and clean out anything obvious with a vacuum, not a screwdriver. Confirming the window is fully shut into the frame with both lock points engaged is another. But Unilock lock bodies and crank operators are high-precision assemblies under real mechanical load: a multi-point lock out of alignment is a security gap, and a window operator with a loaded spring can snap back hard enough to chip bone if the arm is released wrong. We do not recommend opening the lock body or the crank housing yourself.
What we do instead is show up with the common Unilock parts on the truck, identify exactly which series you have, and swap the hardware in under two hours in most cases. You get a written price before we start. If you are having trouble with a Unilock window or door, call us at (831) 480-4497 and we’ll sort out the part and the visit.
FAQs
Plan on roughly 8 to 14 years for rollers, lock bodies, and weatherseals in San Francisco, shorter in fog-heavy or salt-air districts where moisture and airborne salt sit on exposed hardware.
Call (831) 480-4497 for an in-home assessment if your hardware is in that range and starting to act worn.
Sometimes: a lock body can often be cleaned, lubricated, and reused if the internal gears are intact, but a stripped crank operator or a flat-spotted roller is a replacement job because the contact surfaces are gone, not dirty.
We’ll tell you which one is worth doing and quote the repair path honestly. Call (831) 480-4497 to schedule a look.
Most single-part replacements run one to two hours, and a full hardware refresh on a sliding door can run up to half a day if we’re also re-sealing the frame.
You’ll get a clear time window before we arrive, and the written price before any work begins. Call (831) 480-4497 for a schedule.
We carry the common Unilock lock sets, roller kits, crank operators, and weatherseals in our vehicles, and we can usually have less standard parts in hand within a few business days.
The best route is a quick call: (831) 480-4497. Describe the problem and we’ll confirm whether it’s on the truck or needs ordering.
Written by Graham Stein, Owner, Elmstead Remodeling San Francisco at Elmstead Remodeling San Francisco, serving San Francisco and nearby areas.
