New windows and doors improve comfort, cut energy bills and add long-term value to your home. Juniper Windows Ventura 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
Window Company in Newbury Park, CA
Newbury Park homeowners need a window and door company that understands what the Conejo Grade does to a house. The tract homes built here between the 1970s and 1990s, especially throughout Rancho Conejo and Casa Conejo, were fitted with single-pane aluminum sliders and inexpensive wood front doors that now warp, stick, and leak after decades of harsh daily temperature swings. We replace those original windows and doors with modern, properly sized units and give every homeowner a written price before any work starts. Call us at (559) 314-1305 for a free estimate.
Why Newbury Park Homes Are Different
Newbury Park sits just inland from the Conejo Grade, and that position creates a more extreme daily temperature cycle than what coastal Ventura cities get. Hot, dry summer afternoons followed by cool, fog-moderated mornings put constant expansion and contraction stress on window frames, door frames, and seals. We see more warped wood front doors, failed glass seals, and air-leaking aluminum frames here than we do in Camarillo or Moorpark. The housing stock tells the same story: overwhelmingly single-family detached homes from the 1970s through the 1990s, many still carrying their original aluminum-framed sliding glass doors and fixed or single-hung windows. Those aluminum frames conduct heat, the single-pane glass offers almost no insulation, and the sliding door rollers wear out fast. Even the post-2000 homes in Newbury Park regularly need retrofit window replacement as seals age and energy standards improve.
The highest concentration of original aluminum windows sits in Rancho Conejo, south of the 101, where fine windblown dust off the surrounding hills accelerates roller and track failure on sliding doors. That dust gets into tracks, grinds the rollers down, and turns a simple door slide into a two-handed shove. For many Rancho Conejo homeowners, replacing a tired slider with a bi-fold or French door is the more useful fix than rebuilding tracks. Front doors in the same neighborhoods have warped badly from the diurnal swings, which means full-frame replacement and custom sizing are common asks, not edge cases.
Our Main Newbury Park Services
Two jobs dominate our calls from Newbury Park: replacing the original aluminum windows that have outlived their seals, and swapping warped, sticking entry doors for properly hung, weather-tight units. Here is how each works in this city.
Window Replacement in Newbury Park
Most Newbury Park homes still have the original aluminum-framed windows installed when the subdivisions went up. The frames are thermally inefficient, the single panes do almost nothing for heat or noise, and the seals have failed on a large share of them. Replacement here typically means a full-frame pull, not a sash swap, because the original openings were rarely square and the frames themselves are usually corroded or bowed. We measure each opening, order to the actual dimensions, and install with proper flashing and insulation so the new unit handles the Conejo Grade temperature swings without leaking. Window Replacement in Newbury Park has full detail, including pricing for the specific window types we install most here.

Window Installation in Newbury Park
Window installation in Newbury Park covers new-construction and addition work, plus the labor side of a replacement when a homeowner has already purchased their own windows. The local challenge is the same dust and heat that wears out old windows: a sloppy install on a south-facing wall will show itself within two seasons as a warped frame or a failed seal. We set every unit level and square, flash it properly, and insulate the full rough opening so air, dust, and heat stay outside. Window Installation in Newbury Park explains the process and what to expect on the schedule.

Door Replacement in Newbury Park
The original wood front doors across Newbury Park have spent decades expanding in the afternoon heat and contracting at night. Many now bind at the top, let daylight through at the latch, or simply refuse to close without a firm shoulder. Replacing one usually means a new prehung unit, custom-sized to the existing rough opening, with new weatherstripping and an adjustable threshold so the door actually seals. We also see a lot of sliding patio door replacements in Rancho Conejo where dust has destroyed the original rollers. Door Replacement in Newbury Park covers the door types, materials, and full pricing.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Newbury Park
We work with CGI, CWS, and ES Windows product lines for Newbury Park installations, and we keep the common replacement parts for these brands on our trucks. That means most service calls finish in one visit. See our brands for the full list and what each line is best suited to.
Pricing for Window Company in Newbury Park, CA
| Service | Typical range in Newbury Park |
|---|---|
| Window replacement (per window, retrofit) | $450 – $1,200 |
| Window replacement (per window, full-frame) | $700 – $1,800 |
| Window installation (per window, labor only) | $250 – $600 |
| Door replacement (per entry door, installed) | $900 – $2,500 |
| Sliding patio door replacement (installed) | $1,800 – $4,200 |
| Bi-fold door replacement (installed) | $2,500 – $6,500 |
| Front door replacement (prehung, installed) | $1,200 – $3,200 |
| Fixed or picture window replacement | $500 – $1,500 |
| Single-hung window replacement | $450 – $1,100 |
| Full-frame window package (10+ windows) | $7,000 – $18,000 |
Prices in Newbury Park run higher than coastal Ventura because a large share of the work is full-frame replacement on original openings that are no longer square, plus the extra labor of hauling out old aluminum and re-flashing properly. Whatever the number, it is in writing before any work starts. The price we quote is the price you pay.
Neighborhoods We Serve in Newbury Park
We take on window and door work across the entire Newbury Park area, from the 1970s tract streets up against the hills to the newer subdivisions near the 101. We know the difference between a Casa Conejo original and a post-2000 retrofit, and we quote them differently.
- Rancho Conejo
- Casa Conejo
- Dos Vientos
- Ventu Park
- Lynn Ranch
Most Newbury Park estimates happen within two or three business days of a call. Install scheduling follows material lead times, but we keep you posted with a live arrival time and photo updates from the day we start.
Service Area – Cities Near Newbury Park
Our crews serve Newbury Park and the surrounding Conejo Valley communities, so homeowners in Moorpark, CA, Camarillo, CA, Somis, CA, and Simi Valley, CA get the same written pricing and the same 365-Day Done Right Promise. If you are just over the hill or down the grade, we still come to you.
Serving Newbury Park, CA - Our Local Coverage Area
We’re based in the Newbury 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 Window Company in Newbury Park
Most Newbury Park estimates are scheduled within two to three business days of your call. We dispatch locally from the Los Angeles coordination office, so we are already covering the Conejo Valley regularly. Call (559) 314-1305 and we will give you a specific day and time, not a four-hour window.
Many Newbury Park subdivisions have HOAs with architectural review for exterior changes, especially if you are changing window styles or door colors. We do not file on your behalf, but we can supply the product specs and finish samples the board usually asks for. Check your HOA packet before you sign.
No. Every job gets a written price before any work starts, and the number we hand you is the number on the final invoice. If we find rot, an out-of-square opening, or damaged flashing during tear-out, we tell you before we proceed and re-price in writing, never as a surprise at the end. Call (559) 314-1305 to schedule your free estimate.
Six Reasons Homeowners Choose Juniper Windows Ventura
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.
Other Juniper Windows Ventura Services
What Neighbors Say About Juniper Windows Ventura
What happens when you call
- 1A real person answersNo phone trees - talk to a local windows & doors pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Newbury Park Customers Say
"Door replacement. Installer texted when on his way and finished by lunch. Tight and clean."
- Neil B."Easy booking and a fair price. Two windows replaced and the installer called before heading over."
- Ahmed G."Window replacement upstairs and downstairs, both done in a day."
- Moe K.