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Fast, Reliable Door Replacement Across Castro Valley
Door replacement in Castro Valley runs about $850 for a basic interior slab up to $4,500 or more for a premium exterior entry system with sidelights and impact-rated glass. We work throughout Castro Valley from the hills near Lake Chabot down to the flatlands near Castro Valley Boulevard, and we know how the local housing stock behaves. If your door sticks, drafts, or no longer latches, call (682) 281-2168 and we’ll give you a written price before any work starts.
Why Juniper Windows & Doors Is Castro Valley’s Preferred Door Replacement Company
Castro Valley homeowners keep our schedule full because we show up when we say we will and the price we quote is the price you pay. Our Door Replacement team works on everything from 1970s tract homes off Redwood Road to newer builds up in Palomares Hills, so we’ve seen how different door installations age across the valley. Sean Mackey, who leads our team, insists on the 365-Day Done Right Promise on every job: if something isn’t right within a year, we make it right, parts and labor, in writing.
We coordinate scheduling from our San Francisco Bay Area office, and crews serve Castro Valley locally. You’ll get a live arrival time you can track, before-and-after photos, and a digital invoice. No four-hour windows. No callbacks asking where the technician is.
Door Frame Repair in Castro Valley
Door frame repair in Castro Valley often comes down to one thing: moisture. Older homes near Castro Valley Creek and the flatter neighborhoods off Grove Way deal with damp crawl spaces and occasional soil movement, both of which can shift a door frame enough to make a door bind or swing open on its own. A repair typically runs $220 to $520 depending on whether we’re shimming and re-securing the existing frame or replacing rotted sections.
Frame Straightening and Resecuring
When a frame has pulled away from the rough opening, we resecure it and re-align the hinges. This is common in Castro Valley homes built on expansive clay soil, where seasonal moisture changes cause minor movement.
Rotted Wood Replacement
For frames with water damage, we cut out the compromised section and replace it, then weather-seal the repair. On exterior doors, we check the threshold and sill for hidden rot before closing the job out.
Interior Door Replacement in Castro Valley
Interior door replacement in Castro Valley usually means swapping hollow-core slabs for solid-core doors that block more sound between rooms. Many Castro Valley homes built in the 1960s and 70s still have original hollow doors, and homeowners notice the difference immediately. Expect to pay $180 to $380 per door for a pre-hung unit, or $120 to $250 for a slab-only swap if the existing frame is still square.
Bedroom and Hallway Door Swaps
These are the most common interior replacements we do. We match hinge placement, trim style, and door swing so the new door works with the existing layout without drywall patching.
Closet and Pantry Door Upgrades
Bypass and bifold doors can be replaced with modern panel styles, or we can convert a dated setup to a single hinged door where the opening makes sense. Hardware upgrades are included in the quote.
Trusted Brands We Service in Castro Valley
We install and service doors from Therma-Tru, PGT, and ViewLux, along with window systems from ES Windows and ECO Window Systems when a project includes glass replacement. Because we stock common parts and trim profiles, turnaround for Castro Valley customers is faster than waiting on a big-box order. If you’re replacing a door that has to handle afternoon sun exposure on a west-facing wall off Crow Canyon Road, we’ll recommend a product rated for that specific heat load.
Common Door Replacement Problems We See in Castro Valley Homes
- Swollen doors in damp months. Winter rain and coastal fog push moisture into wood doors on the west side of Castro Valley, making them stick in the jamb. Composite or fiberglass doors solve this permanently.
- Sun-baked finishes. East-facing entries get intense morning sun, and older factory finishes peel within a few years. We recommend finishes rated for direct UV exposure on these exposures.
- Settling slabs and misaligned frames. Homes on Castro Valley’s hillsides, especially around Palomares Road and Crow Canyon, can settle enough to knock a door out of square. Re-hanging with proper shim work fixes most cases.
- Security concerns on older entry doors. Many Castro Valley homes still have original 1980s steel doors with worn strike plates and short screws. Upgrading to a reinforced frame with a multipoint lock improves both function and security.
Pricing for Door Replacement in Castro Valley, CA
A straightforward exterior door replacement in Castro Valley runs $1,200 to $2,800 for a standard single entry. Adding sidelights, custom glass, or impact-rated panels pushes that to $3,000 to $5,500. Interior doors are far more affordable: $180 to $380 per pre-hung unit, installed. Frame repairs land between $220 and $520 depending on how much wood needs replacement. These prices include labor, hardware, trim, and haul-away. You’ll get a written line-item quote before we touch anything. Call (682) 281-2168 for your free estimate.
We Also Serve Cities Near Castro Valley
Beyond Castro Valley, we regularly take door replacement projects in San Lorenzo, San Leandro, Union City, and Dublin. If you’re just over the line in one of those cities, or you need Window Replacement in Castro Valley alongside a new entry door, we can schedule both in a single visit. Many projects also pair nicely with Window Installation in Castro Valley when you’re upgrading a full wall. We serve the entire Castro Valley area with the same written pricing and 365-Day Done Right Promise.
Serving Castro Valley, CA - Our Local Coverage Area
We’re based in the Castro Valley 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 Castro Valley
We typically reach Castro Valley within one to two business days for estimates, and our scheduling team gives you a live arrival time you can track on your phone. Call (682) 281-2168 and we’ll find the first available slot.
Yes. We work in the hills around Palomares Road, the neighborhoods along Redwood Road and Grove Way, the flatlands near Castro Valley Boulevard, and newer subdivisions off Crow Canyon Road. If you’re inside Castro Valley, we’re inside your coverage area.
For a broken or unsafe exterior door, we prioritize Castro Valley calls and can often get a technician out quickly. Emergency board-up and temporary securing are available through our live phone line at (682) 281-2168, answered by a real person 24/7.
Pricing in Castro Valley runs slightly above San Leandro and San Lorenzo due to travel and the mix of hillside homes that need more frame work, but it’s comparable to Dublin and Union City. We give the same written price whether you’re off Castro Valley Boulevard or up in the hills.
Every installation is covered by our 365-Day Done Right Promise, which includes parts and labor for a full year, in writing. If anything isn’t right, we return and fix it. No charge, no argument. Call (682) 281-2168 to schedule your free estimate and get exact pricing for your home.
Written by Sean Mackey, Owner at Juniper Windows & Doors, serving Castro Valley and the surrounding Bay Area since 2001.










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