Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
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AfterFast, Reliable Door Replacement Across Alondra Park
Replacing a door in Alondra Park usually runs $1,800 to $5,600 for an exterior prehung unit with installation, and $900 to $2,400 for a full interior door replacement including trim. Most jobs take one to two days once the door arrives. Before you buy a slab off a shelf, though, know this: Alondra Park sits in unincorporated Los Angeles County, so your permit routes through LA County Building & Safety, not a city hall. And plenty of the 1950s tract homes here have rough openings that haven’t been square for sixty years. Call (682) 281-2168 for a free measurement and a written price before anything gets ordered.
Why Juniper Windows & Doors Is Alondra Park’s Preferred Door Replacement Company
We keep doing door work across Alondra Park for a reason: our crews know this unincorporated pocket of the South Bay well. Kornblum Avenue, Mansel Avenue, the blocks east of Inglewood Avenue and north of El Segundo Boulevard. Those names mean something to the people who live there, and they mean something to us. Every Juniper job starts with a real measurement, a written line-item quote, and a tech who shows up in uniform with a live arrival time you can track on your phone. Sean Mackey runs the Alondra Park work personal. He and the technicians he sends are background-checked, and our 365-Day Done Right Promise covers parts and labor in writing.
What homeowners in Alondra Park tell us most: they had no idea the existing jamb was the problem until we put a level on it. That’s the difference between a door swap and a door replacement. We quote the frame work up front, not as a surprise change order when the old jamb comes out.
Door Frame Repair in Alondra Park
Door Frame Repair in Alondra Park typically costs $500 to $1,500 depending on how much of the jamb, threshold, and trim honestly needs to be rebuilt. In the 14900 block of Kornblum Avenue, we recently measured a 1952 ranch where the original front door frame had settled and the jamb was out of square by nearly half an inch. No new impact-rated slab ever would have sealed against it. Our tech cut out and replaced the frame, set a Therma-Tru prehung unit, and finished with low-E insulated glass. The homeowner’s biggest surprise wasn’t the door. It was that we had to correct the opening before a single new slab could go in. Skip that frame work and you’re sealing weather out with caulk and hope.
When the jamb is the real issue
Older Alondra Park homes sit on slab foundations that move with the season. A door that rubs at the top in summer and the strike plate in winter is telling you the frame has shifted. Replacing the slab only fixes the symptom. We level, square, and fasten the jamb before any hardware goes on.
What frame repair actually includes
The frame, the threshold, the brickmould on the exterior, and the interior casing. For Alondra Park homes with stucco, we cut back cleanly and flash the opening properly so moisture doesn’t wick into the rough opening. Written quote, fixed price, no discovery-day calculator.
Interior Door Replacement in Alondra Park
Interior Door Replacement in Alondra Park runs $900 to $2,400 for a standard-bedroom hollow-core replacement including slab, hinges, hardware, casing, and disposal of the old door. If you want solid-core doors for noise and privacy, that pushes the range up. We replace more interior doors in Alondra Park than most people imagine. Once we’re in a home for an exterior door and a homeowner sees how tight the newer slabs seal, they ask about the bedrooms too.
Solid core for ADU and shared-wall conversions
Alondra Park has a lot of converted garages and added rooms, many permitted through LA County as ADUs. Solid-core doors make a real difference in those spaces, both for sound and for the fire separation the county wants between a converted garage and the main house. We keep our quotes honest on the core type and the hardware grade, so you’re not guessing what the invoice will say.
Matching jamb depths on 1950s openings
Old rough openings here rarely match a modern 4-9/16″ jamb cleanly. We rip extensions, scribe casing, and make the new door sit flush in a wall that hasn’t been plumb since Eisenhower. That’s the work, and it’s in the written price before we start.
Trusted Brands We Service in Alondra Park
Juniper Windows & Doors carries and installs real product lines, not whatever’s on a shelf at a big box. For Alondra Park homes we lean on Therma-Tru for entry doors and PGT for impact-rated units, with CGI and ES Windows as strong alternatives when a project calls for specific sightlines or coastal wind ratings. We also service and replace doors from CWS, ECO Window Systems, Mr-Glass, and ViewLux. Having eight lines available means we’re never trying to force a stock slab into an opening it doesn’t fit. We order to the rough opening, and we keep the warranty cards straight for Angelenos who want to register their units.
Common Door Replacement Problems We See in Alondra Park Homes
- Out-of-square rough openings. The 1950s tract homes along Kornblum Avenue and the side streets off Inglewood Avenue settled decades ago. A level tells the whole story in ninety seconds. We’ve seen half-inch discrepancies on more than one front door in this neighborhood.
- Warped or delaminated hollow-core interior doors. The marine layer and heat spikes here cycle humidity. Old Masonite and hollow-core slabs swell, rub, and eventually stop latching. New solid-core or quality hollow-core units with sealed edges hold up far better.
- Undersized headers over non-standard openings. If a previous owner cut a door into a load-bearing wall without pulling a permit, the header may be undersized. That’s a structural fix, not a cosmetic one, and it shows up more often in Alondra Park’s angled additions and garage conversions.
- Missing or failed flashing on stucco exteriors. Water gets behind the brickmould, rots the jamb legs, and you’ll smell it before you see it. We flash to current code and use real sill pans under every exterior door we set in the 90260 ZIP.
Pricing for Door Replacement in Alondra Park, CA
Here are the numbers we quote every day in Alondra Park. A standard exterior prehung door with installation runs $1,800 to $5,600. Interior door replacement runs $900 to $2,400 per opening. Door frame repair alone runs $500 to $1,500. The big cost drivers here are the rough-opening condition, whether the county requires plan review for an impact-rated upgrade, and the door hardware you pick. A direct slab swap on a square jamb sits at the low end. Rebuilding a settled 1952 frame and setting a prehung Therma-Tru unit with low-E glazing sits higher. Every Alondra Park job gets a written quote before anything is ordered. Call (682) 281-2168 and we’ll measure and price it the same visit.
We Also Serve Cities Near Alondra Park
Our crews run from the LA County office into Alondra Park and the surrounding South Bay. If you’re in Los Angeles, San Diego, San Jose, or San Francisco and need the same written-price standard on Door Replacement, we’ll get a tech out with a level and a tape measure.
Serving Alondra Park, CA - Our Local Coverage Area
We’re based in the Alondra Park 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 Alondra Park
Yes, if the opening size changes or structural work is involved. Alondra Park is unincorporated Los Angeles County, so permits go through LA County Building & Safety, not a city building department. A like-for-like slab swap on the existing frame may not require a permit, but a prehung unit with impact-rated glazing or an enlarged opening usually triggers plan review. Call (682) 281-2168 and we’ll tell you which path your specific door follows before you spend a dollar.
Plan on two to four weeks from measurement to finished install for most Alondra Park jobs. That includes LA County permit time, rough-opening correction if needed, and final inspection scheduling. A straightforward interior door can go in same week. An impact-rated entry door with frame rebuild and county inspection takes longer. We’ll give you a real calendar, not a vague window.
Three things: the rough-opening condition, the door and glass spec, and the hardware. A square jamb and a standard slab is cheap and fast. A settled 1952 frame that needs rebuilding, impact-rated low-E glazing, and a multi-point lock is not. Alondra Park’s postwar tract homes skew toward the second category more often than homeowners expect. That’s why we measure before we quote. Call (682) 281-2168 for a written number.
Low-E glazing cuts solar heat gain while still letting in light, which matters on Alondra Park’s west-facing front doors that catch the full afternoon sun. Inland from the coast, the heat builds more than in Manhattan Beach or Hermosa. Low-E also reduces UV fade on floors and furniture right inside the entry. For doors with sidelites or glass panels, it’s the single biggest comfort upgrade per dollar.
Sometimes yes. If the jamb is square, the hinges are solid, and the rough opening hasn’t settled, we can prep a new slab to match the existing mortises and set it same day. But on Alondra Park homes where the frame has moved, a slab-only swap will bind and leak. We’ll tell you straight which category your door is in. Call (682) 281-2168 for a free measurement.
Written by Sean Mackey, Owner at Juniper Windows & Doors, serving Alondra Park and the surrounding South Bay since 2001.