Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Door Replacement Across Covina
Door replacement in Covina runs $1,850 to $5,600 for a standard exterior entry, installed, with most mid-range fiberglass and steel jobs landing around $2,800 to $3,900. That includes hauling the old door, rebuilding or truing the jamb, fresh casing and threshold, and the hardware set. We’re Juniper Windows & Doors, and we handle the whole process from first measure to final swing with a written price before anything starts. We also offer our Window Installation in Covina if you’re looking to upgrade both doors and windows. Call (682) 281-2168 to schedule a free in-home estimate, and a real person answers, day or night.
Covina’s inland heat is the quiet variable most door quotes ignore. A west or south facing entry off Citrus Avenue or near Covina Park bakes in direct afternoon sun from June through September, and we spec glass and frame materials for that exposure rather than treating every house like a coastal one.
Why Juniper Windows & Doors Is Covina’s Preferred Door Replacement Company
Covina homeowners keep calling us back because we write the price down before we touch the door. No estimate that morphs into a change order, no vague “maybe this, maybe that.” Sean Mackey and our crews operate on the Relay Standard: book the job, get a live arrival time, see before-and-after photos of the work, and pay from a digital invoice link. That’s the transparency people around 30 to 45 expect from every service now, and most contractors still aren’t delivering it.
We’ve worked throughout the 91722, 91723, and 91724 zip codes, around Covina Park, Charter Oak, and the neighborhoods off Badillo Street and Grand Avenue. That local repetition means we know the tract home patterns here: 1950s and 60s ranches with original jambs, 1970s split-levels with tired slider openings, and newer stucco homes where plumb and square were never quite the builder’s priority. We bring jamb stock, shims, thresholds, and hardware that match what Covina homes actually have, not just what a catalog shows.
Every technician is background-checked and uniformed, so the person at your door is the person we said was coming. And every installation is covered by the 365-Day Done Right Promise: if something isn’t right for a full year after install, we make it right, parts and labor, in writing.
Door Contractors in Covina
Door Contractors in Covina do more than swap a slab. The real work is in the rough opening: checking the jamb for rot and racking, shimming it square, resetting the threshold, and re-hanging so the deadbolt lines up on the first attempt. A good contractor here starts by looking at sun exposure and the existing framing, because Covina homes have a habit of hiding swollen, out-of-square jambs behind a door that still looks fine from the curb.
Hiring a door contractor in Covina typically runs $500 to $1,200 in labor for a straightforward exterior door replacement, plus the door unit itself. Spot repairs and jamb work add from there. You get what you pay for in the details: a rushed install skips the shimming and the flashing, and six months later the door rubs or the threshold leaks.
Permits and Code Checks
Replacing an exterior door in Covina usually falls under “like-for-like” work when the opening stays the same size, so no permit is needed. But if the opening changes, or if a sidelite next to the door doesn’t meet current safety-glazing standards, the city may require a permit and inspection. We check that before quoting so your price doesn’t change later.
Jamb, Threshold, and Hardware Work
Most Covina door replacements include at least some jamb repair. Rot at the bottom corners, especially on older tract homes near Charter Oak, is common. We replace the rotted sections, re-point the jambs square, and set a new threshold with proper slope so water runs away from the interior. Hardware goes in last, and we test the lock and latch at least three times before we call it done.
Door Frame Repair in Covina
Door Frame Repair in Covina is usually faster and cheaper than full replacement, and it’s the right call when the slab is solid but the frame has shifted, rotted, or pulled away from the wall. Typical frame repair here runs $300 to $900 depending on the extent of the rot and whether we can sister new wood in or need to rebuild the entire jamb.
We see a lot of west-facing entries along Badillo Street and Grand Avenue where the afternoon heat has dried and split the wood frame over time. The door slab itself may be fine, but the hinges are pulling out and the latch no longer catches. Repairing the frame before hanging a new door saves you from installing a thousand-dollar slab into a failing opening.
Rot Repair and Jamb Rebuilding
Bottom-of-jamb rot is a Covina signature issue, especially on homes built before foundation drainage was common. We cut out the bad sections, treat the surrounding wood, and set new pressure-treated jambs with galvanized fasteners. Once the frame is square and solid, the new door hangs straight and seals tight.
Strike Plate and Alignment Fixes
A door that won’t latch just needs the strike plate moved sometimes, not a whole new frame. We re-mortise the plate, adjust the hinges, and reset the threshold so the deadbolt slides clean. It’s a small fix, but it restores the security and weather seal a house off San Bernardino Road really needs.
Trusted Brands We Service in Covina
We install and service Therma-Tru, PGT, and ViewLux door systems across Covina, with access to eight product lines total. On a 1950s ranch off San Bernardino Road near Covina Park, we pulled a sun-cracked original wood entry door whose jamb had swollen so badly the deadbolt no longer lined up, then set a Therma-Tru fiberglass slab in a new rot-resistant jamb with a low-E insulated glass unit in the sidelite. The homeowner’s west-facing porch had been cooking that door for years; the new assembly sealed tight on the first swing, and we trimmed the strike plate to the original rough opening instead of reframing. For impact-rated glass and coastal-grade performance, we often spec CGI or CWS for Covina homeowners who want the best thermal break available.
Common Door Replacement Problems We See in Covina Homes
- Sun-baked west-facing entries: Afternoon sun from spring through fall warps wood slabs and breaks down finishes years before the door’s expected life. We spec thermally broken frames and low-E glass on those exposures so the next door doesn’t fail the same way.
- Rotted or out-of-square jambs in older tract homes: Many Covina ranches from the 1950s and 60s still have their original jambs, and they’ve shifted or rotted at the bottom. A new slab on a failing jamb just transfers the problem.
- Safety-glazing gaps on sidelites: Older doors with glass panels next to them don’t always meet current impact and glazing standards. Updating those when we replace the door keeps the opening code-compliant without a surprise inspection fail.
- Slider openings reframed poorly: Some Covina split-levels have patio door openings that were never framed square. Replacing those doors means truing the rough opening first, or the new door binds and leaks within a year.
Pricing for Door Replacement in Covina, CA
A typical exterior Door Replacement in Covina runs $1,850 to $5,600 installed. Steel entry doors land around $1,850 to $2,900. Fiberglass, which handles the inland heat better, runs $2,500 to $4,200. A full glass entry door or one with sidelites pushes $3,800 to $5,600. Jamb repair or replacement adds $300 to $900, and if the rough opening changes size, permit fees and reframing add $200 to $500. We give you a written price before any work starts, and that number doesn’t move unless you change the scope. Call (682) 281-2168 for a free estimate and we’ll measure, check the jamb, and hand you the exact number.
We Also Serve Cities Near Covina
Our crews work throughout the east San Gabriel Valley. We serve Covina neighborhoods from Charter Oak to the hills off Grand Avenue, plus Azusa, West Covina, Baldwin Park, and Glendora. If you’re in one of those cities, call (682) 281-2168 and we’ll schedule the measure.
Serving Covina, CA - Our Local Coverage Area
We’re based in the Covina 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 Door Replacement in Covina
Usually no, as long as the rough opening stays the same size and the door type doesn’t change. But if a sidelite doesn’t meet current safety-glazing rules or the opening changes, Covina may require a permit and inspection. We check that before quoting, so there’s no surprise fee later. Call (682) 281-2168 if you’re not sure about your specific door.
West and south facing doors in Covina get direct afternoon sun in the San Gabriel Valley’s heat bowl, where summer highs run 8-12°F hotter than coastal LA. That sustained exposure warps wood and breaks down finishes years early, and the jamb swells and shifts from the repeated heating and cooling. We spec thermally broken frames and low-E insulated glass on those exposures from the start.
The door slab itself, the jamb condition, and any glass work. A steel slab costs less than fiberglass, but fiberglass holds up better in Covina’s inland heat. Jamb rot and racking add $300 to $900. Sidelites and impact-rated glass push the price up. We write it all down before work begins, so call (682) 281-2168 for an exact quote.
Yes, if the jamb is still square, solid, and has no rot. We measure the existing frame, shim it true if needed, and hang the new slab with proper clearances. If the frame is rotted or out of square, keeping it is a false economy, and we’ll show you exactly what we found before you decide.
Most Covina door replacements take two to three weeks from the first measure to final install, depending on the door type and whether it’s a custom size. The install itself is usually a single day: remove the old door, build or repair the jamb, set the new unit, and test the hardware. Call (682) 281-2168 to get your measure on the calendar.
Written by Sean Mackey, Owner at Juniper Windows & Doors, serving Covina and the east San Gabriel Valley.










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