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 Lomita
Window replacement in Lomita typically runs $650 – $1,450 per window for vinyl inserts and $900 – $2,100 per opening for a full-frame tear-out, with most jobs taking 1 – 3 days once permits clear. That’s the honest range we quote for homes from the flats east of Western Avenue up into Lomita Pines. Sean Mackey and our crew work on Lomita houses every week, so we know what the marine-layer salt air does to aluminum frames and why half the window jobs here are as much about fixing out-of-square openings as they are about new glass. Call (682) 281-2168 and we’ll give you a written price before anything gets pulled out of the wall.
Why Juniper Windows & Doors Is Lomita’s Preferred Window Replacement Company
Lomita homeowners call us because we don’t make them sit through a four-hour arrival window. The Relay Standard governs every job here: you book in a tap, get a live arrival time you can track, see before-and-after photos, and pay from a digital invoice. If a technician is late, you know it before we do. That’s the level of visibility people in this city expect from any contractor now.
We’ve been doing Window Replacement since 2001, and Lomita’s housing mix keeps us honest. Mid-century tract homes on the flats need jambs squared before new windows drop in. Hillside houses in Lomita Pines need flashing and sealing done right the first time, because a leak there doesn’t show up as a drip, it shows up as a wall stain six months later. Our technicians are background-checked and uniformed, and they know the difference between a 1950s rough opening and a 1980s retrofit frame.
Every job gets the 365-Day Done Right Promise in writing: if the work isn’t right, we make it right, parts and labor, for a full year. A second visit to fix something we missed is free, no charge, no argument. That’s what building a reputation in a small city like Lomita actually means.
Energy Efficient Windows in Lomita
Energy efficient windows in Lomita are as much about managing salt air and coastal swings in humidity as they are about insulation values. A home that gets morning marine layer needs glass and frames that won’t fog internally, corrode at the hardware, or leak around the sash tracks. That’s why we spec low-E glass with a solid U-factor and frames built to handle moisture without wicking it into the studs. A typical energy-efficient upgrade in Lomita runs $700 – $1,500 per window for vinyl, and $1,200 – $2,300 per opening for a premium line like ViewLux or PGT when impact-rated glass is part of the order.
Where Lomita Homes Lose the Most Energy
The biggest losses we see on Lomita houses aren’t the glass itself, they’re the weatherstripping and the frames. A 1960s aluminum window with worn seals leaks air constantly, and because aluminum conducts heat, the frame itself becomes a thermal bridge. Replacing those with vinyl or fiberglass units drops drafts immediately and cuts the cooling load in August.
What Actually Changes Your Utility Bill
U-factor matters more in Lomita than solar heat gain, because our problem isn’t brutal winters, it’s keeping conditioned air inside during hot Santa Ana stretches and damp marine-layer mornings. We recommend glass with a U-factor around 0.30 or lower and a low-E coating that keeps UV off furniture. The payoff here is real: old single-pane aluminum windows are the worst-performing component in most Lomita homes we open up.
Window Repair in Lomita
Window repair in Lomita usually falls into two buckets: fixing hardware and seals on mid-century units, and addressing water intrusion around frames in the hills. A failing balance, a fogged insulated unit, a rotted sill, or a corroded latch, those are the calls we get from Oak Street, Eshelman Avenue, and everywhere in between. Minor repairs like re-glazing or hardware replacement run $180 – $450. A full sash replacement or glass replacement in a double-hung or casement runs $350 – $800. When the frame itself is compromised, you’re usually looking at a replacement rather than a repair.
When Repair Beats Replacement
If the glass is cracked but the frame is sound, we replace the insulated unit and re-seal the opening. That’s a $250 – $600 job on most Lomita houses and it extends the window’s life by years. It makes sense when the window is less than 15 years old and the frame shows no rot or corrosion.
When Replacement Is the Only Honest Answer
Once salt air has made the aluminum pitted or the wood soft enough that a screw won’t bite, patching it is just spending money twice. We’ll tell you straight if a repair is a temporary fix. Our free second visit guarantee means if a repair we do fails, you’re not paying us to come back and fix it again.
Trusted Brands We Service in Lomita
Juniper Windows & Doors stocks and installs products from ViewLux, PGT, and CGI for Lomita homes, among other lines in our eight-brand lineup. Each has a specific place in this city. PGT’s impact-rated windows make sense for hillside exposures that catch open-channel wind, while ViewLux vinyl gives flatland tract homes a clean thermal break without a premium price tag. We carry parts locally and can get seals, balances, and hardware to Lomita jobs fast, so a warranty call doesn’t turn into a week-long wait.
Common Window Replacement Problems We See in Lomita Homes
- Salt-air corrosion on aluminum frames: Homes closer to the coast, especially in Lomita Pines and along the western flats, show pitted aluminum and corroded fasteners within 15 – 20 years. We spec stainless steel hardware and either vinyl or fiberglass frames on every coastal-located job as a result.
- Out-of-square rough openings in mid-century houses: The 1940s and 1950s tract homes around the flats have settled. A straight drop-in window without re-squaring the jamb leaves gaps that leak air and bind the sash. We shim and adjust every opening before the new unit goes in.
- Failed insulated glass units from temperature swings: Lomita’s heat-and-humidity cycles cause older double-pane units to lose their seal and fog up between the panes. Once you see condensation inside the glass that won’t wipe off, the unit is done and needs replacement.
- Retrofit windows hiding rot behind the stucco: Some Lomita homes had retrofit vinyl installed over old wood frames years ago without removing the rot. Water has been working behind that stucco ever since. Proper flashing and rotating or replacing rotted wood is the only fix.
Pricing for Window Replacement in Lomita, CA
Your honest ballpark: vinyl insert windows in Lomita run $650 – $1,450 each for standard sizes. Full-frame replacement, which means removing the whole old window, frame included, runs $900 – $2,100 per opening depending on size and whether we need new interior trim. Energy-efficient upgrades with low-E glass and thermally broken frames typically fall in the $700 – $1,500 per window range. Impact-rated PGT or CGI windows add $350 – $700 per opening on average. The quote you get from us is the price you pay, in writing, before work starts. Call (682) 281-2168 for a free line-item estimate on your specific Lomita house.
We Also Serve Cities Near Lomita
Along with Lomita, we regularly handle window replacement in Window Replacement in Lomita and the surrounding South Bay, including Lakewood, Torrance, Carson, and Rancho Palos Verdes. Same crew, same written-price standard, same 365-day guarantee. If you’re just outside city limits, we still come to you.
Serving Lomita, CA - Our Local Coverage Area
We’re based in the Lomita 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 About Window Replacement in Lomita
Yes. Lomita requires a building permit for window replacement, including retrofit situations where the original frame stays in place. Unpermitted window work can flag on a resale inspection and complicate a future claim. We pull the permit, coordinate the inspection, and close it out on every Lomita job. Call (682) 281-2168 and we’ll walk you through the exact paperwork your project needs.
For most Lomita houses, vinyl frames with stainless steel hardware and low-E insulated glass give the best balance of salt-air resistance, thermal performance, and price. Fiberglass is a step up for hillside homes with higher wind exposure. We avoid bare aluminum in coastal-exposed Lomita locations because we’ve seen too many pitted frames fail years early.
A standard whole-house window replacement in Lomita takes 1 – 3 days of on-site work, depending on how many openings you have and whether we’re doing full-frame or retrofit. Permit approval can add a week or two to the calendar, so the full project often spans 2 – 5 weeks from quote to final inspection. We’ll give you a day-by-day schedule with your written quote.
Two things drive price changes on Lomita jobs: discovering rotted wood behind old frames once they come out, and structural issues in out-of-square openings that require extra framing or shimming before the new window fits properly. We identify these during the inspection and put them in your written quote up front. If we find something genuinely hidden mid-job, we stop, document it with photos, and get your sign-off before any extra work happens. No surprise invoices.
Yes, if your current windows are original single-pane or decade-old aluminum. Lomita’s mild climate means the savings per year are lower than in Phoenix or Minnesota, but the comfort difference is immediate, especially during Santa Ana heat waves and damp coastal mornings. They also make a noticeable difference in resale appeal for older Lomita homes. Call (682) 281-2168 and we’ll help you decide if the upgrade pencils out for your house.
Get Your Lomita Window Replacement Scoped and Priced
We replaced six original double-hung aluminum windows in a 1950s house off 255th Street in Lomita Pines, the sashes were corroded from years of ocean air and the insulated glass units had failed with visible fogging. Our tech re-squared each jamb, installed new casement units with low-E glass, and sealed every opening to cut the drafts the homeowner had been fighting all winter. That job is exactly what most Lomita window replacements look like: older home, salt-compromised frames, proper re-flashing, written price, done. If you live anywhere from the flats to the hills, call (682) 281-2168 for a free estimate. We’ll map out the permit path, the realistic schedule, and exactly what drives your cost before the first pane comes out.
Written by Sean Mackey, Owner at Juniper Windows & Doors, serving Lomita since 2001.










Before
After
Before
After
Before
After