Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Custom Windows & Doors Across Paramount
Custom window and door work in Paramount almost never starts with a standard opening. Most homes here were built between 1945 and 1965, and the rough openings behind those original jalousie and single-pane aluminum frames are rarely square, rarely standard, and rarely ready for a drop-in replacement. We’ve opened enough Paramount stucco walls to know what’s waiting behind them. If you need Custom Windows & Doors done right the first time, call (888) 635-0804 and ask for a free estimate. We serve all of Paramount, including the 90723 zip code, from the I-710 corridor over to the Paramount High School blocks.
Why TruePane Windows & Doors Is Paramount’s Preferred Custom Windows & Doors Company
TruePane was founded in 2008 by second-generation glazier Dale Kessler, and the company carries years of glass and glazing craft through its lineage. We’re not a franchise that parachutes into Custom Windows & Doors in Paramount jobs with a generic playbook. Our technicians measure every opening twice, quote manufacturer lines side by side on paper, and register both warranty layers in writing before the truck leaves the driveway. That’s The Keystone Standard, and it’s on every job. We also stand behind the work with a Done Right Promise: if it’s not done right, we make it right, no paperwork fights, no arguing.
Paramount homeowners regularly tell us the same thing: they’ve watched a previous contractor fight a jalousie replacement for a day, then leave a window that whistles in July and leaks come February. We’ve built our reputation by pricing the re-framing and re-flashing up front, not after the wall is open. A live person answers our phone 24 hours a day, 7 days a week. When you call about a fogged seal or an out-of-square opening in Paramount, you talk to someone who knows the local housing stock and can schedule a background-checked, uniformed technician to come take real measurements.
Our Custom Windows & Doors Services in Paramount
Here’s what we actually do in Paramount, tied to the houses and commercial buildings we see on your streets every week:
Custom Shape Windows
Paramount’s post-war tract homes occasionally surprise you: a half-round transom over the front door, a trapezoid cut high on a gable end, or an arched opening someone added in the 1970s. Stock windows don’t fit those. We fabricate and install custom shapes, including radius, octagon, and triangle units, then flash and seal them to handle the LA Basin’s occasional heavy rain. A custom arch for a 1954 Paramount stucco home typically runs $900-$2,200 installed, depending on glass package and framing condition.

Commercial Storefront Glazing
Paramount has a dense commercial spine along Paramount Boulevard and near the 710. Older storefronts with aluminum framing from the 1960s and 1970s lose their thermal performance and can’t meet current Title 24 energy codes when a business remodels. We replace storefront glass, entry doors, and aluminum storefront systems for retail and light industrial spaces across Paramount. A typical 12-foot storefront glass replacement with new aluminum framing starts around $3,500-$7,500.

Curtain Wall Systems
For newer commercial buildings and the occasional custom residential addition, we install curtain wall systems that handle wind load, seismic drift, and solar heat gain. Paramount sits 13 miles inland, so thermal performance matters more than coastal moisture here. We engineer and install stick-built and unitized curtain walls, working with local code officials on the permit package. Curtain wall projects in Paramount typically start at $85-$150 per square foot for mid-range systems.

Architectural Grilles & SDLs
If you’re restoring a 1950s Paramount ranch and want the exterior to look period-correct while getting modern glass performance, we build simulated divided lites (SDLs) and true divided lite grilles. Grilles and SDLs let you keep the cottage or Spanish look without sacrificing dual-pane thermal efficiency. Add-on grilles for a standard Paramount window run $180-$450 per opening, depending on pattern and finish.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Paramount
We’re an authorized installer for more than a dozen manufacturer lines, including, PGT, and CGI. For Paramount’s heavy jalousie-to-modern conversions, we regularly quote PGT, CGI, and Ply Gem lines side by side on paper so you can see the price, glass package, and warranty terms before you sign anything. We don’t stock “generic” parts. We order to your exact measurements and keep the paperwork straight so if a seal fails under warranty, you’re not chasing a defunct phone number.
Common Custom Windows & Doors Problems We See in Paramount Homes
Every city has its own failure patterns. Here’s what we find most often when we open up a Paramount wall:
- Jalousie rough openings that aren’t square. The louvered jalousie frames were popular in 1950s tract housing, but the wood-framed openings behind them settled over 60-plus years. A jalousie removal almost always reveals an opening out of square by a half-inch to a full inch. Skip the re-framing and the new window’s seal fails within a year.
- Original 1950s aluminum frames with no thermal break. Paramount’s warm summers turn those old aluminum frames into heat conductors. Replacing with non-fusion-welded frames causes interior condensation on the jamb and heat gain you’ll feel in August. We quote fusion-welded vinyl or thermally broken aluminum instead.
- Stucco flashing failures during El Niño rain events. Paramount gets infrequent but heavy winter downpours. A stucco home without properly re-flashed window flanges lets bulk water move behind the sill, rots the wood framing, and turns a simple replacement into a full tear-out with framing repair.
- I-710 corridor noise intrusion. Homes along the Paramount side of the 710 deal with constant traffic noise. Single-pane or failing dual-pane glass makes it worse. We regularly install STC-rated glass packages that cut that drone noticeably, a detail that separates Paramount from quieter neighbors like Bellflower or Downey.
Pricing for Custom Windows & Doors in Paramount, CA
Custom work in Paramount costs more than a stock replacement, and the reason is honest labor: the opening behind a 1955 jalousie is rarely standard. Expect re-framing and re-flashing labor on most jobs. Here’s what we see in the Paramount market:
- Custom shape window (arch, radius, or trapezoid): $900-$2,200 installed
- Jalousie-to-modern single window conversion with re-framing: $1,200-$2,800 per opening
- Oversized glass panel (fixed picture or patio): $1,500-$4,500 depending on size and glass package
- Architectural grilles or SDLs added to a new window: $180-$450 per opening
- Complete window replacement for a 900-1,200 sq ft Paramount home (8-12 openings): $12,000-$30,000 depending on frame material and glass
All of this is priced on paper before we touch a wall. If a rough opening turns up worse than we quoted, we stop, show you what we found, and get written approval before any additional work starts. Call (888) 635-0804 for a free estimate on your Paramount home. Seniors and veterans get a permanent 5% discount. We also offer a free written repair estimate.
We Also Serve Cities Near Paramount
TruePane serves homeowners across the LA Basin corridor. If you’re in Bellflower, Lynwood, Downey, or South Gate, our technicians are already running routes through your neighborhoods. The same TruePane team that handles Paramount jalousie conversions and I-710 noise-reduction glass packages serves those areas too. Call (888) 635-0804 and we’ll send someone out.
Serving Paramount, CA - Our Local Coverage Area
We’re based in the Paramount 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 - Custom Windows & Doors in Paramount
Jalousie windows are unusually common in Paramount’s 1945-1965 tract housing stock, and the rough openings behind them are almost never standard-dimensioned. The wood framing has settled, the stucco opening is out of square, and the space was built for louvered hardware, not a modern window unit. A legitimate Paramount quote has to include re-framing, re-flashing, and Title 24 compliance labor. Contractors who skip that line item to look cheaper end up eating the difference when the wall is open, or worse, they install the window anyway and leave you with air leaks and a voided warranty. Call (888) 635-0804 for an exact quote, including the re-frame work, before you compare bids.
Homes within a few blocks of the I-710 corridor deal with constant traffic noise that standard dual-pane glass doesn’t fully address. We recommend STC-rated glass packages with laminated glass on the street-facing side to cut the drone. It adds roughly $180-$400 per window over a base dual-pane unit, but it makes a real difference in bedrooms and living rooms facing the freeway. Call (888) 635-0804 and we’ll check your exposure and quote noise-reduction glass for the right openings, not every window in the house.
In almost every case, no. Original 1950s aluminum frames have no thermal break, and by now the glass is hazed and the seals are dead. Repairing one won’t fix the heat gain in August or the condensation on the jamb come winter. Replacing with fusion-welded vinyl or thermally broken aluminum pays for itself in energy savings and comfort. We quote replacement packages for Paramount homes starting around $1,200-$2,800 per opening depending on size and glass. Call (888) 635-0804 for a free replacement estimate.
In most cases, a sash-only swap doesn’t require a permit. But a full frame replacement, which is what most Paramount jalousie and original aluminum conversions need, does require a permit through the city. We pull the permit as part of the job, schedule the inspection, and make sure the final install passes Title 24. That protects your homeowner’s insurance and the manufacturer warranty in writing. Call (888) 635-0804 and we’ll lay out the permit requirements for your specific house before you commit.
Stock windows fit standard rough openings, and many of the 1945-1965 tract homes in Paramount don’t have them after six decades of settling. Custom-sized windows are built to your exact opening measurements, which means less shimming, better seal performance, and no gaps that leak air or water. For a typical 1,000 sq ft Paramount home, the custom option adds roughly $150-$350 per window over stock, but it avoids the long-term problems of forcing a standard unit into an out-of-square wall. Call (888) 635-0804 for an exact comparison on paper.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Paramount since 2008.



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