Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Why Los Angeles Homeowners Choose Andersen Construction
We provide independent Andersen repair in Los Angeles, from window and door replacement to the structural framing and flashing work that makes those units perform for decades. Barrett & Sons Construction has rebuilt, reframed, and remodeled around Andersen windows and doors in this city since 1998, and our crews work on Andersen products daily. We’re not an Andersen dealer or authorized service center, and we’ve never claimed to be. What we are is a Los Angeles construction company that knows Andersen’s product lines well enough to tell you when a sash repair beats a full replacement, and when a 200 Series unit from 1987 has earned retirement.
Call (877) 610-1318 and you’ll get Tom Barrett or one of his sons on the line, not a call center. Estimates are free, and every price we give you for Andersen window replacement or related construction work in Los Angeles arrives as a written line-item quote before any work starts.
Why Trust Barrett & Sons Construction for Your Andersen Construction?
Tom Barrett founded Barrett & Sons in 1998 after learning the trade at Los Angeles Trade-Technical College, and he’s been sizing, squaring, and flashing window and door openings across this city for the better part of two decades. His crews have torn out enough original Andersen Narrowline sliders in Mid-Century homes and enough 1970s Perma-Shield double-hungs in Valley ranch houses to know exactly how these units fail in Andersen service in Glendale and across the region, and more importantly, how to fix them correctly. The knowledge isn’t from a manufacturer training video. It’s from pulling the old units out and seeing what forty years of sun, rain, and shifting soil actually did to the framing behind them.
We carry genuine Andersen OEM replacement parts for the repairs that call for them: balances, jamb liners, corner gaskets, sill liners, hardware. For larger jobs like full window replacement or impact window installation in Los Angeles, we quote current A-Series and 100 Series lines with lead times and material costs spelled out. Every job is backed by our written 90-Day Done Right Promise. If something isn’t right, Tom comes back. One call, that’s it.
Common Andersen Construction Problems We Fix in Los Angeles
Here’s what we actually see in the field, week after week, working on Andersen in Pasadena, the Eastside, the Valley, and across Los Angeles:
- Stuck or failed tilt-wash balances on 200/400 Series double-hungs. We see this constantly in older beach communities and hillside neighborhoods. The Perma-Shield double-hung relies on a balance system inside the jamb liner, and after 15 to 25 years those balances fatigue. The sash drops hard or rides up crooked. The fix is usually a balance replacement and jamb liner inspection, not a new window.
- Sill rot at the bottom corners of 100 Series and older wood-clad units. After heavy rain, water finds its way to the sill corners when exterior flashing was missing or has deteriorated, or when the weep-hole covers are gone. The sill wicks moisture, the wood swells, and rot sets in. In many Los Angeles homes we can replace the sill and flash the opening properly. If the rot has reached the framing, that’s a bigger repair, and we’ll show you the damage before we quote it.
- Sagging Frenchwood hinged patio doors. Hillside Los Angeles homes with original Andersen Frenchwood doors often develop a sag at the hinge side. The sash catches at the upper strike, and air and water intrude at the meeting stile. Hinge replacement, shimming, and re-setting the door in a square opening fixes most of these, but the opening itself sometimes needs re-framing if the house has settled.
- Chalking exterior finish on 200/400 Series cladding. Near industrial air corridors and coastal zones, the factory finish on older 200/400 Series cladding chalks, especially on dark colors. The chalky residue wipes off on your hand and leaves streaks down the stucco. It’s cosmetic, but it’s also a sign the finish is at the end of its useful life. We can discuss re-coating versus replacement on a case-by-case basis.
- Failed glass seals on original Narrowline sliders and fixed panels. Mid-Century homes in Los Feliz, Silver Lake, and the Valley still have original Andersen Narrowline units with dual-pane glass that was sealed decades ago. When the seal fails, you get a milky haze inside the glass and a temperature gradient you can feel with your hand. The glass package gets replaced, not the whole window, in most cases.
Andersen Parts & Our Repair-vs-Replace Approach
We use genuine Andersen OEM replacement parts whenever the window or door is worth saving. Balances, jamb liners, corner gaskets, sill liners, and hardware from Andersen are made to fit the exact dimensions and snap-fit details of the original unit. Aftermarket equivalents almost never match, and forcing them in creates new problems. But we don’t stock every part for every Andersen line ever made. We stock the common failure items for the 100, 200, and 400 Series in our Los Angeles service vehicle because those cover most service calls. Anything uncommon gets ordered from Andersen directly, and we’ll tell you the lead time before you commit.
The honest answer about repair versus replace is simple: we don’t make a nickel more by selling you a window you don’t need. If your sash, hardware, or seal is the real problem, we’ll fix it and charge a fair price. If the frame is rotted through, the rough opening has moved, or the unit is beyond its realistic service life, we’ll tell you that too, and quote a like-for-like retrofit or a current Andersen line that fits better. Our priority is how the window performs in Los Angeles over the next twenty years, not how many parts we can bill today. Call (877) 610-1318 and we’ll talk through what you’re seeing.
Our Andersen Service Process - Step by Step
- 1
Diagnosis. We look at the unit, the rough opening, the exterior flashing, and the surrounding stucco or siding. We check for water intrusion, seal failure, balance tension, and frame square. You get a written diagnosis, not a verbal shrug.
- 2
Repair or install. For repairs, we install Andersen OEM parts per spec. For replacements, we square the rough opening before the new Andersen unit goes in. This is the step a lot of crews skip, and it’s why replacement windows leak. In Los Angeles, where shifting soil is a fact of life, squaring the opening matters.
- 3
Test. We cycle the sash or door, check the drainage weep system, inspect the exterior flashing, and run water where we need to. If it doesn’t operate right or drain right, we stop and fix it before we call the job done.
- 4
Warranty. Every Andersen service and install job gets our written 90-Day Done Right Promise. If it’s not right, Tom comes back and makes it right. No phone tree, no service ticket purgatory.
Andersen Products We Service & Install in Los Angeles
We work on the full residential range. The Andersen 100 Series with Fibrex composite frames is a common choice for Los Angeles replacements where durability against UV matters more than a wood interior. The 200 Series Perma-Shield line shows up constantly in remodel and retrofit work, especially where homeowners want a wood-interior look without full custom pricing. The 400 Series, with its tilt-wash double-hungs and Frenchwood hinged doors, is the workhorse we see in everything from 1980s Valley ranches to current hillside remodels. The A-Series architectural line handles custom sizes for high-end and coastal homes. We stock common OEM parts for the 100, 200, and 400 Series locally, and we quote current Andersen lines for full replacement and impact window installation in Los Angeles.
We Also Service These Brands
Andersen isn’t the only brand we install and service. We do full kitchen and bath work with KraftMaid cabinetry, Cambria and Silestone countertops, and Kohler fixtures. If your Andersen project is part of a larger remodel, we can handle the whole scope ourselves, with named materials you can look up.
FAQs - Andersen Construction Service in Los Angeles
No. We are an independent Andersen service provider, not an authorized dealer or warranty center. That matters because we’re free to recommend the honest fix without a factory quota attached. It also means we source our OEM parts through normal supply channels, not through any special manufacturer relationship.
Yes, on repairs where the unit is worth saving. We use genuine Andersen OEM replacement parts for balances, jamb liners, corner gaskets, sill liners, and hardware. The dimensions and snap-fit details on Andersen units rarely match aftermarket equivalents, and forcing a cheap part into an Andersen window only creates another failure down the road. Call (877) 610-1318 and we’ll tell you exactly what your repair needs.
Most single-unit repairs like a balance replacement, a sash re-glaze, or a door re-hang take one visit, usually two to four hours. Full replacement windows run a day for typical openings, sometimes two if the rough opening needs re-framing. Impact window installation in Los Angeles runs longer because of the structural anchoring, flashing, and inspection requirements. We’ll give you a written timeline with your estimate.
We service and install the Andersen 100 Series (Fibrex composite), 200 Series (wood-interior Perma-Shield), 400 Series (including tilt-wash double-hungs and Frenchwood hinged doors), and A-Series architectural windows. We also see a lot of original Narrowline units from the 1960s and 1970s in Mid-Century Los Angeles homes. If you’re not sure which line you have, describe what you’re seeing and we’ll help you identify it on the call.
In most cases, yes, we can replace just the sash. The tilt-wash design on the 200 Series double-hung was intended to make individual sash service possible, and as long as the frame, jamb liners, and rough opening are still sound, a sash replacement restores operation without the cost of a full window. The caveat is that older units may have dimensional drift, and if the new sash doesn’t mate cleanly, we’ll tell you before ordering parts. Call (877) 610-1318 and we’ll assess what you’ve got.
Fibrex is a composite of wood fiber and polymer, and it’s engineered for better thermal stability than vinyl, which swells and sags in direct Los Angeles sun. That said, installation errors cause more problems than the material itself. An undersized opening, a fast-out-of-square rough opening, or a frame that’s anchored where it shouldn’t be will stress any window, Fibrex included. Proper installation matters more than the material spec on the brochure.
Improper flashing at the sill and side jambs, compounded by hillside drainage conditions. The Frenchwood hinged door is a sound design, but the threshold pan and the exterior flashing detail are what keep water out of the rough opening. In Andersen repair in Torrance and hillside areas like Hollywood Hills, where homes sit on slopes and runoff moves fast, a flashed-and-integrated door assembly is the difference between dry framing and rot behind the stucco.
Yes. The main challenge is the stucco return detail and the depth of the rough opening. Older Spanish-style homes in Los Angeles often have thicker wall assemblies, and the impact-rated Andersen unit needs proper anchoring into the framing, not into the stucco itself. We cut back the stucco where needed, anchor to the structural frame, flash the perimeter, and return the stucco cleanly. It adds time and cost, but it’s the only way the impact rating actually holds up in a seismic event or wind-driven debris situation.
That’s almost always the steel fasteners inside the wood sill corner joints corroding because water has been getting into the sill assembly. The rust wicks into the wood and leaves those stains at the corners. The causal issue is usually failed or missing exterior flashing, blocked weep holes, or a sill pan that was never installed. We fix the flashing and drainage, then replace the damaged sill components as needed.
Here are the current ranges for the three Andersen-related services we’re asked about most in Los Angeles:
| Service | Los Angeles Price Range |
|---|---|
| Window Replacement | $5,310 - $17,700 |
| Impact Window Installation | $9,440 - $29,500 |
| Roof Replacement (often paired with skylight or dormer window work) | $9,440 - $23,600 |
These ranges cover the project, not just the unit. Window replacement in Los Angeles varies by the number of openings, the Andersen line you choose, whether the rough opening needs re-framing, and whether stucco or siding returns need patching. Impact window installation costs more because of the anchoring, flashing, and permit inspection requirements. Call (877) 610-1318 for an exact quote. Estimates are free, and every quote comes as a written line-item before you sign anything.
Book Your Andersen Service in Los Angeles, CA
Whether you’re chasing a stuck Andersen sash in a 1960s dingbat apartment or planning full impact window replacement in a hillside Los Angeles home, we’ll give you a straight answer and a written quote. Call Barrett & Sons Construction at (877) 610-1318 for your free estimate. We’ll do it right the first time, or we’ll come back and make it right.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Los Angeles since 1998.







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