Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Before
After
Before
After
Before
AfterFast, Reliable Door Replacement Across Danville
Door replacement in Danville runs $1,800 to $6,400 for a typical exterior entry door, and $350 to $1,100 for an interior door, including installation. Those are the real numbers we quote homeowners in Westside Danville, Greenbrook, and the Alamo Creek corridor every week. Our crews know Danville’s streets, its older ranch-style homes, and the newer two-story builds up against the foothills. Call (682) 281-2168 and we’ll put a written price in your hands before a single screw turns.
Why Juniper Windows & Doors Is Danville’s Preferred Door Replacement Company
Juniper Windows & Doors has built its Danville reputation on one thing that shouldn’t be rare but is: a written price locked in before work starts. Homeowners along Diablo Road and in the Sycamore Valley neighborhoods tell us the same story about other contractors, a vague estimate that creeps upward at the door. That doesn’t happen with Juniper. Sean Mackey runs our Danville jobs with the same standard he’s held since 2001: if the number changes, you know before the work begins, not after.
Our technicians are background-checked and uniformed, so you know exactly who’s walking through your door in Danville. No mystery subs. No four-hour arrival windows. The Relay Standard gives you a live arrival time on your phone, before-and-after photos, and a digital invoice you can pay from a link. And our 365-Day Done Right Promise covers parts and labor for a full year after installation. If it’s not right, we make it right. That’s the whole promise.
Interior Door Replacement in Danville
Interior Door Replacement in Danville is the job of pulling an existing hollow-core or solid door off its hinges and installing a new slab that fits the existing rough opening. Most Danville homes built in the 1970s through the 1990s have standard 30-inch or 32-inch openings, but settle happens. Older homes near the Iron Horse Trail and downtown often have jambs that have shifted a quarter-inch or more, which means the new door needs shaving or a full jamb reset to close cleanly.
Hollow-Core to Solid-Core Upgrades
Danville homeowners replacing interior doors often step up from builder-grade hollow-core to solid-core panels for better sound isolation between bedrooms and living spaces. A solid-core door runs $350 to $700 installed, depending on width and hardware. The weight difference is real, so we check hinge screws and jamb anchoring before hanging anything heavier.
Pre-Hung vs. Slab Replacement
If your Danville doorframe is square and plumb, a slab replacement saves money and time. If it’s not, we recommend pre-hung so the new jamb corrects the opening. We’ll tell you which one your home actually needs and why, with the price difference in writing before you decide.
Interior Door Installation in Danville
Interior Door Installation in Danville covers new-construction and renovation scenarios where there is no existing door to replace. That means framing the rough opening, installing the pre-hung unit, shimming it level, and casing both sides. We do this often in Danville when homeowners convert a den into a bedroom, close off a hallway, or finish a garage bonus room in newer developments near Camino Tassajara.
New Opening Framing
Cutting a new interior opening in Danville typically costs $600 to $1,100 before the door itself. That includes header work, drywall patching, and trim. We pull the necessary permits and schedule the inspection so the finished wall meets Danville building codes.
Barn Door and Pocket Door Converts
We also install interior barn doors and pocket doors for Danville homes where swing clearance is tight, which happens a lot in older downtown homes with narrow hallways. Expect $800 to $1,500 for pocket door conversion with hardware and trim.
Trusted Brands We Service in Danville
Juniper carries and services eight product lines, and for Danville we stock local inventory for faster turnaround on CGI, CWS, and ECO Window Systems door units. If you’ve got a failing CWS entry system or an ECO Window Systems sliding door off its track, our techs know those frames and hardware by part number. We don’t send a generalist who’s meeting your door brand for the first time. For Danville customers, that means less downtime and a repair or replacement that’s right the first time. Therma-Tru and ViewLux round out the premium options when you want a fiberglass entry door that won’t warp in the foothill sun.
Common Door Replacement Problems We See in Danville Homes
- Swollen wood jambs from winter rain. Danville’s wind-driven rain wicks under thresholds on older homes along El Capitan Drive and into the Greenbrook area. The wood swells, the door binds, and the fix is a new jamb and adjustable sill, not just a new slab.
- Out-of-square rough openings on hillside lots. Seasonal soil movement in the foothills around Mount Diablo shifts framing enough that a new door won’t hang right unless we correct the rough opening first. We check this on every Danville exterior door job before ordering anything.
- Fogged sidelight insulated glass units. Homes built in the 1990s around Alamo Creek are hitting the age where original sidelight IGUs lose their seal and fog between panes. The door works fine but the glass looks terrible and drafts.
- Builder-grade thresholds failing fast. West-facing entries catch the worst of Danville’s winter storms. Cheap thresholds crack within a few seasons. We spec adjustable aluminum thresholds with double seals on any west or south exposure here.
Pricing for Door Replacement in Danville, CA
Here’s where Danville sits, honestly. A basic interior slab door installed: $350 to $700. A solid-core bedroom or office door with new hardware: $400 to $900. A standard fiberglass entry door from Therma-Tru, installed with new seals and threshold: $2,200 to $4,800. A full entry system with sidelights, like we installed in the Alamo Creek area off Greenbrook Drive, runs $4,000 to $6,400. What moves the number: door size, glass package, whether the jamb needs correcting, and whether your rough opening is square. Every Juniper quote is written before work starts. Call (682) 281-2168 for a free estimate on your specific Danville door.
Key Takeaways: Interior doors in Danville run $350 to $1,100. Exterior entry doors run $1,800 to $6,400. The biggest cost variables are jamb condition, glass package, and whether you’re doing a slab or a full pre-hung unit.
We Also Serve Cities Near Danville
Juniper’s Door Replacement crews work throughout the San Ramon Valley and beyond. We regularly send the same local teams to San Ramon, Clayton, Alamo, and Dublin. If you’re near Danville but in one of those towns, the same written-pricing standard applies. Learn more about our Door Replacement in Danville service area when you call.
Serving Danville, CA - Our Local Coverage Area
We’re based in the Danville 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 Danville
Yes, in most cases Danville requires a building permit for exterior door replacement when the rough opening size changes or structural elements like the header are touched. A straight swap of a door slab in the same opening may not need one, but replacing the jamb or adding sidelights usually does. We pull the permit and handle the inspection for every Danville exterior door job where one is required. Call (682) 281-2168 and we’ll tell you whether your specific project needs a permit – and we’ll handle it either way.
A typical Danville door replacement takes 2 to 4 weeks from first measurement to final walkthrough. Entry doors with custom glass packages take longer because the insulated glass unit is fabricated to order. Interior door swaps can often be done in a single day on site once the slab arrives. We’ll give you a written timeline when we quote the job, not a vague “soon.”
For a west-facing door in Danville, spec a low-E insulated glass unit with a low SHGC (solar heat gain coefficient) around 0.22 to 0.28. That cuts afternoon heat gain from the foothill sun without making the entry feel dark. If the door is near a golf course or on a hillside with wind exposure, add a laminated glass interlayer so the pane holds together against wind-borne debris. We’ll put the exact glass spec in your written quote.
It usually won’t lower your premium by itself, but upgrading to an impact-rated door or one with a multi-point locking system can help if your Danville carrier has been flagging windstorm exposure near the open hillsides. Some insurers reduce premiums after you document a new roof-to-foundation door seal upgrade. We give you the paperwork and photo documentation to send your insurer. Call (682) 281-2168 if you want to talk through what your insurer is likely to want.
The price changes if the rough opening is out of square, if the jamb shows rot or termite damage, or if the existing header needs reinforcement. Those are the three honest change-order triggers on Danville homes, and we look for all three during the initial measurement so surprises don’t show up mid-job. If we find something after demo, you get a written change order before we proceed. No work continues until you approve the new number.
Call Juniper for Door Replacement in Danville
We’re the windows-and-doors team that treats your Danville home like it’s on the other side of our own fence. Written price first. Live arrival time. Photos when the work’s done. A 365-Day Done Right Promise on every door we hang. Call (682) 281-2168 and we’ll schedule your free estimate while you’re on the line.
Written by Sean Mackey, Owner at Juniper Windows & Doors, serving Danville with written-price door replacement since 2001.