New windows and doors improve comfort, cut energy bills and add long-term value to your home. Juniper Windows Woodland Hills pairs proven product lines with our own installing crews for lasting performance - and a price we put in writing.
Choose your installer
The unit is half the job - the install is the other half. Our own background-checked crews measure, set, seal and insulate every opening, and they know the lines we quote inside and out because they install them every week.
Select the right products
Compare styles, materials and glass packages side by side until the fit is right for your rooms, your budget and your goals. The product-line comparison below is the place to start.
Prepare your home for install
Before install day we walk you through a short checklist - furniture pulled back, treatments down, a clear path to each opening - so install day is watch-it-happen, not scramble.
Compare the Lines We Quote
Every project is priced on the same lines, side by side - the price indicators below are relative, and your consultant shows exact numbers on your actual openings.
PGTThe line Florida homeowners arrive naming - the most Miami-Dade certifications in the industry$$$
- More Miami-Dade NOA certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe Florida value pick$$
- Vinyl systems built in Florida for Florida codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Miami-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
Fast, Reliable Door Replacement Across Brentwood
Door replacement in Brentwood runs anywhere from $450 for a basic hollow-core interior slab to $4,800-plus for a full front entry system with impact-rated glass and a reinforced sill. Most homeowners we work with in Brentwood are replacing original builder-grade doors on homes built between 1995 and 2010, and the work usually takes a single day once the door is on hand. We know the neighborhoods here: Sterling Preserve, Shadow Lakes, Apple Hill Estates, and the streets off Balfour Road where east-facing back doors take the worst of the Delta wind. If your door sticks, whistles, or lets in a hot draft past 3 p.m., call (831) 508-3441 and we’ll give you a written price before anything gets ordered.
Why Juniper Windows Woodland Hills Is Brentwood’s Preferred Door Replacement Company
Brentwood homeowners call us because we show up when we say we will and we put the price in writing first. That’s the Relay Visibility Guarantee at work: a live arrival time you can track, before-and-after photos of every job, and a written price before a single screw turns. No estimate that morphs into a surprise invoice at the door. Sean Mackey leads our crews, and every technician who walks into your Brentwood home is background-checked and uniformed. You know exactly who is at your door.
We carry Therma-Tru, PGT, and ViewLux product lines, which means we can match the specific needs of Brentwood’s housing stock without making you wait weeks on a special order. Dispatch and scheduling are coordinated from our San Francisco Bay Area office, and crews serve Brentwood locally. Our 365-Day Done Right Promise covers every completed installation: if the work isn’t right, we make it right, parts and labor, in writing, for a full year.
Interior Door Replacement in Brentwood
Interior door replacement in Brentwood usually means pulling hollow-core builder slabs that have warped or started sticking in the summer heat and putting in solid-core or paneled doors that close cleanly year-round. We see this most often in upstairs hallways of 1990s and 2000s tract homes, where attic heat radiates through the frame and makes the slab swell against the jamb. A typical interior door replacement in Brentwood runs $450 to $1,100 per opening, including a pre-hung door, trim work, and haul-away of the old slab.
What Goes Into the Job
We pull the old slab and frame, check the rough opening for square, and set a pre-hung unit that is shimmed and leveled. For Brentwood homes with stucco interior walls, we match casing profiles to the existing trim so the new door doesn’t look like an afterthought.
When Replacement Beats Repair
If the door binds in the frame after the first heat wave, the slab is done. Sanding buys you a season. A new pre-hung door fixes it for decades. Rental property owners along Sand Creek Road often replace in batches, and we price the volume accordingly.
Interior Door Installation in Brentwood
Interior door installation in Brentwood covers new doors where there wasn’t one before, or a slab swap in an existing frame when the jamb is still square. This comes up in Brentwood’s newer master-planned communities when homeowners add a pantry, convert a den, or turn a loft into a bedroom. Installation for a single pre-hung interior door in Brentwood typically costs $550 to $1,300, depending on whether the opening already exists or needs to be cut.
New Openings in Existing Walls
Cutting a new opening means framing, header work, drywall repair, and trim. It’s a two-day job in most Brentwood homes, and we handle the full scope so you’re not coordinating three contractors. Our Door Replacement team does this routinely.
Matching Doors to Your Floor Plan
Brentwood’s 2000s-era floor plans tend toward open sightlines and nine-foot ceilings. We spec doors that match the existing swing, hardware finish, and panel style so the new installation reads like it was always part of the house.
Trusted Brands We Service in Brentwood
We stock parts and hardware for Therma-Tru, ViewLux, and PGT doors, which covers the vast majority of what Brentwood builders installed from the late 1990s forward. That means faster turnaround: when a Brentwood homeowner needs a replacement slab or a new weatherstrip set, we’re not waiting on a cross-country shipment. Therma-Tru fiberglass front doors are our most common Brentwood install, followed by ViewLux sliding patio doors on rear elevations that face the Delta breeze.
Common Door Replacement Problems We See in Brentwood Homes
- Warped hollow-core slabs that stick in summer. The upstairs hall gets hot, the door swells, and by July you’re shoulder-checking it closed. We replace these with solid-core doors that hold their shape.
- Front door weatherstripping that degrades from heat plus wind pressure. Brentwood’s 100°F-plus days bake the seal, then the Delta wind flexes the door against it. The result is conditioned air leaking out and dust blowing in around the jamb.
- East-facing sliding patio doors with track misalignment. The prevailing Delta breeze hits these doors head-on every afternoon, and over a few seasons the rollers wear unevenly and the interlock starts leaking. This is a Brentwood-specific failure pattern we see on a weekly basis.
- Failed seals on original 1990s exterior doors. Most Brentwood tract homes shipped with basic steel or wood doors and now, 20 to 30 years on, the jambs have shifted and the thresholds are shot. A new pre-hung exterior door solves it.
Pricing for Door Replacement in Brentwood, CA
Here’s what Brentwood homeowners can expect to pay. A single interior hollow-core replacement runs $450 to $1,100. A solid-core upgrade in an existing frame runs $800 to $1,600. A new exterior front door system, pre-hung with a Therma-Tru fiberglass slab and reinforced sill, runs $2,800 to $4,800 depending on glass, hardware, and whether we need to reframe the rough opening. Sliding patio door replacement on an east-facing wall typically falls between $1,800 and $3,500. Every quote is written, itemized, and locked before work starts. Call (831) 508-3441 for your free estimate.
We Also Serve Cities Near Brentwood
We work throughout the East Bay and surrounding areas, including Door Replacement in Brentwood, plus Chatsworth, West Hills, Canoga Park, and Winnetka. Scheduling is coordinated from our Bay Area office, and we group jobs by area to keep drive time short and arrival windows tight.
Serving Brentwood, CA - Our Local Coverage Area
We’re based in the Brentwood 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 Brentwood
No. In most cases, replacing a door on a home under builder warranty will not void the structural warranty, provided the new door meets the same or better performance specs and the rough opening isn’t modified. What you lose is the builder’s finish warranty on that specific door, which is usually only one to two years anyway and rarely worth working around. If your Brentwood home is inside an HOA, check your architectural guidelines first: most of the newer developments along Concord Avenue and around Shadow Lakes require prior written approval for front entry changes. We can prepare the spec sheet and installation details your HOA board will ask for. Call (831) 508-3441 for an exact quote, estimates are free.
No, you don’t need impact-rated doors in Brentwood. Brentwood isn’t in a hurricane zone and the Delta winds, while persistent, don’t approach hurricane-force. What you do need is a door with a low U-factor, good weatherstripping, and a reinforced sill to handle heat and wind pressure. Impact-rated glass, like PGT’s WinGuard line, matters more for homes in fire-prone interface zones where ember intrusion matters. For most Brentwood homes, a Therma-Tru fiberglass slab with dual-pane glass and full weatherstripping is the smart spend. Call (831) 508-3441 and we’ll spec it out for your exact elevation and exposure.
Your east-facing sliding door sticks because the predictable afternoon Delta wind pushes against the full face of the slab, flexing it against the track and wearing the rollers unevenly. After a few Brentwood summers, the track develops a slight misalignment and the door binds at a specific point, usually in the late afternoon when the wind is strongest. It’s the single most common patio door failure we see in Sterling Preserve and the neighborhoods east of Balfour Road. Replacing the rollers and re-leveling the track buys time, but for doors over 15 years old, replacement is usually the better call. Call (831) 508-3441 for a free assessment, and we’ll tell you straight which route makes sense.
A realistic upgrade is a solid-core molded panel door or a paint-grade pine shaker that runs roughly $800 to $1,600 installed. In homes from the 2000s, original hollow-core doors usually cost the builder $60 a piece, and after two-plus decades of Brentwood heat they warp, and they transmit every sound. A solid-core slab adds mass, blocks noise between rooms, and won’t swell shut every August. It’s the first upgrade most Brentwood homeowners make inside the house, and it holds up for the 20-plus years you’ll own the place. Call (831) 508-3441 for pricing on your exact door count.
If your Brentwood front door is over 20 years old, the jamb is out of square, or you can see daylight around the threshold, you need a replacement. Weatherstripping fixes a bad seal, but it won’t fix a sagging slab, a rotted jamb, or a threshold that has lost its seal against the foundation. Here’s a quick test: stand inside the entry on a windy afternoon and run your hand around the door’s perimeter. If you feel air movement in more than one spot, the door has moved beyond what new stripping can correct. We’ll check it for free. Call (831) 508-3441 to schedule your free estimate.
Written by Sean Mackey, Owner at Juniper Windows Woodland Hills, serving Brentwood and the East Bay.
Six Reasons Homeowners Choose Juniper Windows Woodland Hills
Laminated glass and reinforced frames hold up to wind-driven rain, hail and flying debris, so your openings stay sealed when the weather turns.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Tighter seals and insulated glass even out hot and cold rooms and stop the drafts at the frame.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.