Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Replacement Across North Hollywood
Window replacement in North Hollywood is not a hypothetical upgrade. The 91601 ZIP sits in the San Fernando Valley heat pocket, and most of its post-war housing stock still runs original single-pane aluminum. That combination means fogged glass, binding frames, and cooling bills that get worse every July. TruePane Windows & Doors has been working these streets long enough to know which 1960s rough openings take a standard insert and which ones need reframing before anything goes in. If you’re reading this because a window finally gave out, call us at (888) 635-0804. A live person answers.
Why TruePane Windows & Doors Is North Hollywood’s Preferred Window Replacement Company
We do not chase quick bids in North Hollywood. We work the stucco ranch homes off Victory and the garden-style apartment buildings on the side streets off Lankershim, and we have been doing it long enough that the local building quirks are not surprises. Our Window Replacement crews are background-checked and uniformed, and every tech measures each opening twice before ordering. Dale Kessler founded TruePane in 2008 after years of watching out-of-true installs void manufacturer warranties, and the rule he keeps on the whiteboard still governs every job: if the pane is not true, the job is not done. Homeowners here respond to that. They have been burned by franchise crews that show up once and never again. We plan to be in town in thirty years.
Our Window Replacement Services in North Hollywood
Full Frame Replacement in North Hollywood
Full frame replacement means removing the old window down to the rough opening and installing a completely new unit, frame and all. In North Hollywood this is often the only honest option. Original aluminum sliders from the 1950s and 1960s have frames so thermally stressed from Valley heat that a simple insert leaves the underlying problem in the wall. A typical full frame replacement in North Hollywood runs $900-$1,800 per window depending on size and cladding. We pull the old frame, inspect the stucco surround for hidden moisture, flash the opening correctly, and set the new unit plumb and square.

Insert Window Replacement in North Hollywood
Insert replacement fits a new window inside the existing frame. It works when the original frame is still sound and the rough opening is standard, which in North Hollywood is maybe half the time. On post-WWII stucco bungalows with clean rectangular openings, inserts save labor and usually land between $600-$1,200 per window. But we will tell you plainly if the frame is too far gone to hold an insert. A square deal means the right job, not the easier one.

Storm Window Replacement in North Hollywood
Storm windows are less common in Los Angeles than in colder climates, but some older North Hollywood homes still have them over original wood sash. When storm units fail, they rarely fail quietly. Bent frames, cracked glass, and missing weatherstripping let dust and heat through. Replacing a storm window in the 91601 area typically runs $350-$650 per unit. We measure every opening twice because storm frames in these older houses are rarely square anymore.

Energy-Efficient Upgrade in North Hollywood
Upgrading to energy-efficient windows in North Hollywood is a fixed-cost necessity, not an upgrade luxury the way it reads in a Santa Monica pitch. The San Fernando Valley bowl traps heat and creates one of LA County’s most intense urban heat islands. Original single-pane aluminum sliders are catastrophic for cooling costs in this specific microclimate. Replacing them with fusion-welded vinyl or fiberglass units with low-E glass typically runs $800-$1,500 per window in this market, and the DWP summer bill difference is measurable within the first year. We stock ECO Window Systems and ES Windows lines that hold up under chronic thermal expansion.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in North Hollywood
We are an authorized installer for more than a dozen manufacturer lines, including, PGT, CGI, and ES Windows. For North Hollywood customers that means we quote manufacturer lines side by side on paper so you see exactly what you are buying, not what a salesman wants to move this month. Our crews work with CGI impact units frequently in this area, along with ECO Window Systems for energy-rated replacements. When you call (888) 635-0804, we explain the differences in plain language and register both warranty layers in writing before the truck leaves the driveway.
Common Window Replacement Problems We See in North Hollywood Homes
- Fogged original aluminum sliders. Valley heat expansion cracks the seals on 1960s aluminum frames, the argon escapes, and the glass fogs permanently. By the time you can see the fog, the insulating value left the building years ago.
- Non-standard rough openings. Older apartment complexes throughout North Hollywood, particularly the two-story garden-style buildings off Lankershim, still have original jalousie windows. Their rough openings do not accept modern replacements without framing modifications. A contractor who has never worked this housing vintage will force the window and void the warranty.
- Stucco-wrapped openings flashed incorrectly. Stucco-wrapped rough openings are the norm here, and they require careful moisture flashing on nearly every replacement job. Flashed wrong, moisture gets behind the stucco and hidden rot forms behind a window that looks fine from the curb.
- Santa Ana lateral stress on door and window frames. Seasonal wind events add real pressure to aging frames and degrade weatherstripping on sliding glass doors faster than in coastal ZIP codes. That is why we check the jambs and sills, not just the glass, on every North Hollywood call.
Pricing for Window Replacement in North Hollywood, CA
Here is the honest range for North Hollywood. Standard insert replacements run $600-$1,200 per window. Full frame replacements land between $900-$1,800 per window, and that number goes up on the garden-style apartments with jalousie openings because the reframing labor is real. Energy-efficient upgrades with low-E glass and fusion-welded frames sit in the $800-$1,500 range. High-end custom work, like a Marvin casement built for a non-standard opening, can run $1,500-$2,800 per unit depending on framing and finish work. What drives the price here is the housing stock itself: the old rough openings, the stucco wrapping, and the Valley heat that made the original aluminum fail in the first place. Call (888) 635-0804 for a free written estimate with the price fixed before any work is ordered.
We Also Serve Cities Near North Hollywood
Our crews cover North Hollywood and the surrounding Valley communities, including Studio City, Universal City, Van Nuys, and Burbank. If you are just over the line in one of those ZIP codes, the same crew and the same written pricing apply. We coordinate local scheduling from our Los Angeles office so response time stays tight across the service area.
Serving North Hollywood, CA - Our Local Coverage Area
We’re based in the North Hollywood area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Window Replacement in North Hollywood
Most of the 91601 housing stock was built between the late 1940s and early 1970s, when aluminum single-pane sliders were cheap and plentiful. Replacing them in North Hollywood usually costs between $600 and $1,800 per window depending on whether the rough opening is standard or needs reframing. The older garden-style apartments with jalousie units almost always need full frame work, which pushes the labor cost higher than a simple insert. Call (888) 635-0804 and we will walk you through what your specific opening requires.
In most cases you need a full frame replacement because the jalousie rough opening is non-standard and the frame itself is usually fatigued. We recently replaced a 1960s jalousie window in a garden-style apartment on a side street off Lankershim with a custom Marvin casement unit. The original opening was not standard, so we reframed it and used flashing tape to protect the stucco surround before installing a fusion-welded frame with low-E glass. The tenant had lived with dust and heat intrusion for years. A glass-only repair would have left the same opening and the same problem.
Permanent fog between the panes is the clearest sign, but before that you will feel radiant heat through the glass on summer afternoons and cold spots near the frame in winter. In North Hollywood the thermal expansion from the Valley heat pocket accelerates seal failure, so the window loses argon long before the fog shows. If the frame is warm to the touch at 4 p.m. in July, the insulation is already gone. Call (888) 635-0804 and we will measure the opening and give you a straight answer.
Lead times, not labor, set the calendar on this tier. Custom units for non-standard North Hollywood openings, especially jalousie retrofits and oversized sliders, are built to order. That takes weeks, not days. The labor itself is usually one to two days per opening once the units arrive. We write the price and the schedule in writing before ordering, and we do not order until you have signed off on the manufacturer line and the glass package.
Because the San Fernando Valley bowl geography traps heat and makes North Hollywood one of LA County’s most intense urban heat islands. Summer temperatures here routinely run 10-15°F hotter than coastal neighborhoods, and original single-pane aluminum does nothing to slow that heat. Replacing those windows with low-E, fusion-welded units is a functional necessity driven by Valley geography, not a cosmetic upgrade. The cooling cost difference shows up on the first DWP bill after the job.
Call TruePane for Window Replacement in North Hollywood
We are the last call you should need to make on a window. The Keystone Standard means both manufacturer warranty layers registered in writing, durations stated, before the truck leaves your driveway. The Done Right Promise means if it is not done right, we make it right, no paperwork and no arguing. Call (888) 635-0804 to schedule your free written estimate. A live person answers, 24 hours a day, seven days a week.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving North Hollywood and the San Fernando Valley with straight answers and true panes.



Before
After
Before
After
Before
After