Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Installation Across Moorpark
Moorpark homeowners call us when they’re ready to stop guessing what a window replacement will cost. The short answer: a typical single-window replacement in Moorpark runs $850 – $1,900 installed, depending on the window type, frame material, and what we find when the old unit comes out. Most full-home retrofits in neighborhoods like Peach Hill and Mountain Meadows land between $12,000 and $28,000. We’re Meridian Windows & Doors, part of the Garrison Partners family, and we’ve been operating to The Garrison Standard since 2009. The price goes on paper before any work starts. Call (817) 686-2228 for a free estimate.

Why Meridian Windows & Doors Is Moorpark’s Preferred Window Installation Company
Moorpark is not a generic suburb, and window work here is not a generic install. The City of Moorpark Building & Safety Division enforces California Title 24 energy standards on replacement fenestration. That means the U-factor and SHGC values for every new window get documented at permit submittal, not argued about after final inspection. We scope the permit correctly at the start. Unpermitted replacement windows get flagged during Moorpark’s routine resale inspections, and homeowners who skipped that step end up paying twice: once for the work, again to bring it into compliance. We don’t put you in that position.
A meridian is a fixed line you measure everything against. That’s the name, and it’s how we run every install. Elliot Vance leads our team, and every technician who walks onto a Moorpark job site is background-checked and uniformed. You know exactly who is at your door. Our 365-Day Done Right Promise covers every installation in writing for a full year. If the work fails, we come back at no charge.
We draw from eight manufacturer lines: PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. That means we spec the right window for the opening and the exposure, not the one sitting in a warehouse. When you call, a live person answers. 24/7. No voicemail loop. For Moorpark homeowners who have been burned by a no-show or a moving estimate, that matters more than a sales pitch.
Casement Windows in Moorpark
Casement windows in Moorpark are a common choice for west- and south-facing walls where wind-driven rain is a real factor, especially in hillside areas off Presilla Road and along the Arroyo Simi corridor. These windows hinge on one side and crank outward, which gives you a tight seal when closed. In a place like Moorpark, where afternoon winds push rain against the glass, that compression seal is the reason homeowners choose casements over sliders. A single casement replacement in Moorpark typically runs $900 – $1,700 installed, depending on rough-opening size and whether we need to rebuild the jamb.
Where Casement Windows Earn Their Price in Moorpark
West-facing bedrooms in Moorpark take direct afternoon heat from late spring through early fall. A casement with low-E glass keeps the room cooler without closing the blinds at 3 p.m. The crank mechanism also lets you catch the ocean breeze that pushes through the valley in the evening. It’s a simple window, but the hardware sees repeated use, so we spec units with stainless steel operators that don’t corrode from coastal moisture carried inland.
What a Casement Install Actually Involves
We remove the old sash and frame, check the rough opening for square, and flash the perimeter before setting the new unit. In Moorpark’s older stucco homes, the jamb behind the original window is often rotted from years of water intrusion. That’s the most common change-order trigger on a casement job. We show you the rot before we cut anything, and the price adjustment goes on paper before work continues. No surprises at the door.
Double Hung Windows in Moorpark
Double hung windows in Moorpark are the workhorse of the city’s 1970s and 1980s tract housing stock. Both sashes slide vertically, so you can open the top, the bottom, or both. That matters in Moorpark because summer mornings are cool and afternoons run hot. You open the top sash to let warm air out and the bottom sash to pull cool air in. A double hung replacement in Moorpark typically runs $850 – $1,500 installed for standard vinyl frames, and $1,200 – $1,900 for higher-end composite or wood-clad units.
What We Find in Moorpark’s Older Double Hung Openings
Original aluminum single-panes in homes built before the mid-1990s are usually gone or failing by now. The bigger issue is the framing behind them. In Moorpark’s tract homes, decades of thermal movement leave rough openings out of square. When we measure, we field-verify every opening before ordering. Stock-size units dropped into an out-of-square frame create air leaks and a sash that binds. We don’t do that.
Field Vignette: A Peach Hill Retrofit Done Right
We replaced 14 original aluminum single-pane windows on a 1980s two-story in the Peach Hill neighborhood with double-hung units from PGT featuring low-E glass and argon-filled insulated glass units. Our crew found dry-rotted wood framing behind three of the openings, which required sistering new jamb material before the sashes would sit plumb. The finished installation passed Moorpark’s final inspection with the Title 24 energy documentation attached to the permit card. That’s the standard on every job.

Trusted Brands We Service in Moorpark
We’re authorized to install and replace windows from PGT, CGI, CWS, and ES Windows, among the eight lines we carry. That matters in Moorpark because Title 24 compliance documentation comes from the manufacturer’s tested performance values. We pull the U-factor and SHGC data for the exact unit we’re installing and submit it with the permit. We also stock common hardware and replacement parts locally, so a broken latch or failed balance on a PGT double hung doesn’t mean a six-week wait. For Moorpark homeowners who own homes with existing PGT or CGI windows, we service what we install and what someone else installed. Our Window Installation team handles the full scope, from single-unit replacements to whole-home retrofits.
Common Window Installation Problems We See in Moorpark Homes
- Out-of-square rough openings in 1970s and 1980s tract homes. Decades of thermal movement leave framing that has shifted a quarter inch or more. A window sized off the old glazing pocket, not the actual rough opening, ends up with gaps we have to shim and flash aggressively.
- Title 24 documentation missing at final inspection. Homeowners who bought replacement windows without a permit or with incomplete energy documentation fail the City of Moorpark’s final inspection. The fix requires retroactive compliance, which costs more than a properly scoped permit.
- Rotted sill and cripple framing behind original stucco trim. Moorpark’s wind-driven rain events push water behind the trim at window heads and sills. By the time the old window comes out, the wood behind it is often soft. We sister new jamb material before the new unit goes in.
- Single-pane aluminum windows with failed thermal breaks. The original windows in many Moorpark homes have no insulating value at all. Homeowners see condensation between panes in winter and heat radiating through the glass in summer. The fix is a full replacement, not a reglaze.
Pricing for Window Installation in Moorpark, CA
Here’s what window installation actually costs in Moorpark. A single double hung or casement replacement runs $850 – $1,900 installed. A picture window with a new frame runs $800 – $2,200. Bay and bow windows start around $4,500 and go up to $12,000 depending on seat depth and roof work. A 3-panel sliding window runs $1,800 – $3,400. A full home retrofit of 12 to 15 windows in a typical Moorpark tract house lands between $12,000 and $28,000. The main cost drivers are rough-opening size, frame material, glass package, and what we find when the old unit comes out. Dry rot, undersized headers, or missing flashing add to the written price before we proceed, and the adjustment goes on paper first. Call (817) 686-2228 for a free estimate with line-item pricing.
We Also Serve Cities Near Moorpark
Our crews serve Moorpark and the surrounding communities across eastern Ventura County. If you’re in Simi Valley, Fillmore, Thousand Oaks, or Oak Park, we handle Window Installation in Moorpark and the same scope of work in your city. Dispatch and scheduling for the area are coordinated from our Los Angeles office, and local crews serve Moorpark directly. The pricing, the written guarantee, and the permit discipline stay the same wherever the job is.
Serving Moorpark, CA - Our Local Coverage Area
We’re based in the Moorpark 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 Installation in Moorpark
A single window replacement in Moorpark runs $850 – $1,900 installed, and a full-home retrofit of 12 to 15 windows typically runs $12,000 – $28,000. The spread depends on window type, frame material, glass package, and site conditions we find when the old unit comes out. Call (817) 686-2228 for a free, written estimate with exact numbers for your home.
Yes. The City of Moorpark Building & Safety Division requires a permit for replacement windows, and the permit requires Title 24 energy compliance documentation with U-factor and SHGC values for every new unit. Unpermitted replacements get flagged during Moorpark resale inspections. We prepare the permit package as part of every job.
A single window replacement takes one day, including removal, jamb repair if needed, setting the new unit, flashing, and trim. A full-home retrofit of 12 to 15 windows typically takes two to four working days. Permit review time at the City of Moorpark adds one to two weeks before we can start. Call (817) 686-2228 and we’ll give you a realistic calendar for your specific project.
Yes, in most cases. Moorpark summers run hot, and single-pane aluminum windows from the 1970s and 1980s conduct heat straight into the house. Replacing them with low-E, argon-filled insulated glass units typically cuts cooling loads by 20 to 30 percent in older tract homes. Call (817) 686-2228 for a free estimate and we’ll show you the performance values on the exact windows we’d spec.
We stop, show you the rot, and put a written change order in front of you before any additional work begins. In Moorpark’s wind-driven rain events, water intrusion behind original stucco trim has already rotted the sill and cripple framing in many homes before the old window is ever pulled. We sister new jamb material, flash the opening correctly, and proceed once you’ve approved the adjusted price in writing. That’s The Garrison Code, and we hold to it.
Get Your Moorpark Window Installation Scoped Correctly
If you’re in Moorpark and tired of contractors who quote low and bill high, call us. The price goes on paper before any work starts. The permit gets scoped correctly from day one. The crew shows up uniformed and background-checked. The work is covered in writing for 365 days, and if it fails, we come back at no charge. Call (817) 686-2228 to schedule your free estimate.
Written by Elliot Vance, Owner at Meridian Windows & Doors, serving Moorpark since 2009.










Before
After
Before
After
Before
After