







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Oldcastle Windows & Doors: The Woodland Hills Owner’s Guide
If you have an Oldcastle window or door with a failed part in Woodland Hills, we stock and install compatible hardware and glass packages, with most repairs priced between $180 and $2,400 depending on the part and its location in the frame. We’re an independent service provider, not an Oldcastle factory outlet, so we match to your existing product by measurement and label rather than by brand catalog alone. What usually brings a homeowner to this page is a window that won’t stay open, a door that scrapes or won’t latch, fogged glass that never clears, or a handle that spins without catching.
Oldcastle products show up all over Woodland Hills, especially in homes built from the late 1990s through about 2015. The parts fail in predictable ways in our climate: dry heat breaks down vinyl weatherstripping faster than coastal air, and the repeated expansion and contraction from hot summers near Warner Center and cooler nights up in the hills loosens hardware screws and shifts sash alignment. You notice it first as a draft, a rattle, or a window that suddenly takes two hands to lift. That’s the part telling you it’s done.
Key Takeaways
- We service and replace parts for most Oldcastle vinyl, aluminum, and wood-clad residential windows and sliding doors.
- A failed part rarely requires a full window replacement. Most repairs take 30 to 90 minutes on site.
- You’ll get a written price before any work starts, every time.
- We carry common Oldcastle-compatible balances, rollers, locks, handles, and weatherstripping on the truck for first-trip completion.
- Call (831) 290-6866 and a live person answers, day or night.
Which Oldcastle Models This Applies To

Oldcastle built under several residential lines over the years, including single-hung and double-hung vinyl windows, horizontal sliders, casement and awning styles, and the sliding patio doors you see on older Woodland Hills ranchers and newer hillside builds alike. The parts that fail share a common thread: the hardware was built to a price point, not to forever. Balances, tilt latches, pivot pins, guide rails, and the locking hardware on sliding doors are the most common culprits.
Before you call, grab two pieces of information and the job goes faster. First, look for a small sticker or etched marking on the top or side of the sash frame. Some Oldcastle products carry an AAMA certification label with a serial or product code, and that code tells our techs which generation of hardware your window uses. Second, measure the visible glass width and height to the nearest quarter inch, because Oldcastle changed frame profiles between their vinyl series over the years and a 1998 window and a 2012 window that look identical from across the room take different balance hardware. That’s the biggest compatibility gotcha we see: two homeowners with the same looking window, two different parts.
When the original hardware is still available, we use OEM-equivalent parts. When Oldcastle discontinued the hardware, as they have on many pre-2005 lines, we use proven aftermarket equivalents from carriers like Truth, Caldwell, and Prime-Line that meet or beat the original spec. You will know which one applies to your window and why before we order anything.
Styles & brands we work with







Signs Your Oldcastle Windows & Doors Is Failing
- Window drops or slams shut when released. This is a balance failure, either a broken coil or a tired block-and-tackle balance. The older the window, the more likely the culprit is metal fatigue inside the side channel.
- Window leans sideways when lifted or won’t stay square. A bent or broken pivot pin, often found on double-hung sashes, keeps the sash from seating in the jambs. You’ll hear a scraping noise when you try to open it.
- Sliding patio door drags or takes real effort to move. Rollers flatten over time, especially under direct afternoon sun on a west-facing Woodland Hills home. When the roller assembly crushes, the door rides on its frame and scores the track.
- Lock won’t turn or latch won’t catch. Misaligned strike plates are common, but so are worn internal gear mechanisms in the locking handle itself. If you have to lift or pull the door toward you to lock it, the hardware is telling you something.
- Fog or condensation trapped between the panes. The insulated glass unit seal has failed. That’s not just cosmetic; the window’s thermal performance is gone. Glass replacement is a routine job for us, and you keep your existing frame and trim.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included

Here’s what you can expect in Woodland Hills, honestly priced:
| Service | Typical Installed Range |
|---|---|
| Balancer or spring replacement (per window) | $180 – $340 |
| Roller assembly replacement (sliding door or window) | $160 – $320 |
| Lock or handle replacement (window or patio door) | $120 – $260 |
| Weatherstripping replacement (per opening) | $90 – $220 |
| Insulated glass unit replacement | $300 – $1,200 depending on size and coating |
| Complete replacement window (installed) | $4,500 – $15,000 for a full house, per window varies by size |
The range depends on the part’s age and whether the hardware is still in production, the window’s size, and how far the frame has shifted out of square over years of Valley heat. We give you a written price before any work starts, and that price includes the part, labor, and cleanup. No surprise line items added at the end. If we touch it and it fails again within 365 days, we come back and fix it at no charge under the Done Right Promise.
DIY or Call Us?
You can safely replace tilt latches and most weatherstripping yourself if you have the original part in hand and patience for fine work. Those are beginner-level repairs. Window balances are a different story, and here’s why: the tensioned coil or spring inside the balance is under load even when the window is closed. Releasing the wrong screw at the wrong angle can send a sash pin or spring end into your hand, and a falling asphalt-heavy vinyl sash can break fingers. We treat this category the same way we treat garage door springs: a partially tensioned part is not a beginner’s job. If you have to force anything, call us instead.
What you can do before you call: note the label code if you can find one, measure the glass, and tell us exactly what the window or door does when you try to use it. That saves a second trip. Isaac Pruett has seen every failed part this area can produce, from Warner Center condos to the older streets near Topanga and Mulholland, and his rule is simple: “Tell me what you need done. I’ll tell you what it takes and what it costs. Then we get to work.”
FAQs

Balances and rollers typically last 10 to 15 years in our dry heat before showing real wear, while weatherstripping often needs replacement in 5 to 8 years due to sun exposure. Insulated glass units vary widely, but we see seal failures start on south and west facing Woodland Hills elevations around the 12 to 18 year mark. Call (831) 290-6866 if your windows are in that age range and acting up.
Sometimes yes, a misaligned door can be corrected with a track adjustment rather than new rollers, but a crushed roller assembly or a broken balance spring needs replacement, not repair. We’ll tell you which one you’re looking at and give you the price before we start. Call (831) 290-6866 for a straight answer.
Most single-window hardware replacements take 30 to 90 minutes on site. A patio door roller and track service runs about an hour to an hour and a half. Insulated glass replacement is usually a two-visit job because the unit is measured first and fabricated to spec, then installed on the second visit. Call (831) 290-6866 and we’ll tell you which one applies to your job.
We stock common Oldcastle-compatible balances, rollers, tilt latches, and weatherstripping on the truck, so many jobs are done in one visit. For discontinued hardware or custom sized glass units, we source from suppliers we’ve vetted over years, and we’ll give you the expected wait time and price before ordering. We also stock parts for KraftMaid cabinetry, and Cambria and Silestone surface jobs if you’re dealing with more than one project.
If your Oldcastle window or door is failing, call (831) 290-6866. A live person answers, we’ll talk through the symptom, and we’ll give you a free estimate for the repair. No call trees, no pressure, and no work starts until you approve the written price.
Written by Isaac Pruett, Owner, Mason Remodeling Co – Woodland Hills, CA at Mason Remodeling Co Woodland Hills, serving Woodland Hills and nearby areas.


