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 San Marino
Window installation in San Marino runs on a different set of rules than most of Southern California. The city’s pre-1940 housing stock, mature oak and sycamore canopy, and Cultural Heritage Commission review process mean a window swap here is rarely a simple pull-and-replace. Most projects are custom-sized, historically sensitive retrofits that need a crew that measures with laser precision, understands redwood and Douglas fir framing, and knows what the Heritage Commission expects before the first permit is filed. Meridian Windows & Doors does this work every week in San Marino. Call (817) 686-2228 and we’ll scope it correctly from the start.

Why Meridian Windows & Doors Is San Marino’s Preferred Window Installation Company
We’re part of the Garrison Partners family and have operated to The Garrison Standard since 2009. That means every Window Installation in San Marino gets a written price before work begins, a real human answering the phone around the clock, and background-checked, uniformed technicians on site. No subs who vanish. No pricing that moves at the door.
Elliot Vance leads our team, and the name matters. A meridian is a fixed line you measure everything against. That’s how we run every install in San Marino: the scope is measured, the price is written, the permit path is mapped, and the guarantee is in writing for 365 days. If it fails within that year, we come back at no charge.
San Marino homeowners regularly tell us the same thing: another contractor measured with a tape alone, ordered stock units, and stalled at the city’s design review. We don’t do that here. We’ve worked homes off Lombardy Road, around Lacy Park, and up in the estates near Huntington Drive. We know what the Cultural Heritage Commission asks for, and we spec windows that pass the first time.
Double Hung Windows in San Marino
Double Hung Windows are the most common replacement we install in San Marino, and for good reason. The city’s Spanish Colonial Revival and Craftsman homes were built with double-hung sashes as the standard, and the Heritage Commission generally requires that the original operable style be preserved on any window visible from the street. In San Marino, a single double-hung replacement typically runs $1,100 to $2,200 installed, depending on size, wood versus composite, and whether the original jamb extensions can be salvaged.
Historic Review and Sash Matching
On eligible properties, San Marino’s Cultural Heritage Commission wants the new sash profile to read like the original. That means matching the muntin grid, the frame depth, and often the glass plane. We order from CGI and PGT, both of which offer wood-interior double-hungs that hold up to commission scrutiny while meeting modern energy code.
Retrofit vs. Full-Frame Replacement
If the original redwood frame is sound, a retrofit insert is faster and cheaper. If the frame has rotted at the sills or shifted out of square, we go full-frame, which runs higher on labor but gives you a true square opening and fresh flashing. We’ll tell you which one your house needs before you sign anything.
Vinyl Windows in San Marino
Vinyl Windows are the practical choice for San Marino homeowners who want durability and a lower maintenance profile without the weight of wood. A standard single vinyl double-hung in San Marino runs $800 to $1,500 installed; a 3-panel sliding vinyl unit runs $1,600 to $2,800. Vinyl works well on garage conversions, additions, and rear elevations not subject to the strictest street-facing preservation review.
When Vinyl Makes Sense on a Period Home
For rear-facing or non-eligible elevations, a quality vinyl unit from ViewLux or CWS gives you low-E glass, argon fill, and a clean tilt-in sash at a fair price. The warranty on the vinyl itself runs decades, and our 365-Day Done Right Promise covers the installation labor in writing.
Shaded-Microclimate Glass Selection
Homes under San Marino’s heavy canopy need a moderate solar heat gain coefficient, not the lowest available. Glass that blocks too much heat can cause interior-side condensation on the insulated glass unit during marine-layer mornings. We spec the right glass for the orientation and shade of each elevation.

Trusted Brands We Service in San Marino
We’re authorized to install and replace products from PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. For San Marino customers, we stock local parts for ViewLux, PGT, and CGI lines, which keeps turnaround tight when a sash needs repair or a spring balance fails. That matters on a 1920s double-hung with a non-standard weight pocket. We’re not tied to one brand, so the unit gets spec’d for the house, not for whatever is sitting in a warehouse.
Common Window Installation Problems We See in San Marino Homes
- Out-of-square rough openings on pre-war framing. Decades of shade have kept original redwood and Douglas fir from drying evenly, so jambs drift. A tape measure alone misses this. We use a digital laser scan of the true opening before we order anything.
- Painted-shut original sashes. Many San Marino originals haven’t opened in 40 years. Extraction without damaging the plaster returns takes patience and the right hand tools. Sloppy crews crack the plaster and walk away.
- Heritage Commission compliance stalls. Stock-sized units ordered before design review clears are the single most common reason a San Marino window project sits for months. The review comes first. Always.
- Condensation on shaded elevations. Heavy tree canopy keeps exterior glass cool, and the wrong low-E coating leads to interior-side condensation. We specify a moderate SHGC for shaded exposures so you don’t get moisture beading inside on cool mornings.
Pricing for Window Installation in San Marino, CA
Here are honest local ranges. A single double-hung replacement in San Marino runs $1,100 to $2,200 installed. A standard vinyl double-hung runs $800 to $1,500. A 3-panel sliding vinyl unit runs $1,600 to $2,800. Wood-interior CGI or PGT units with historic-grade muntins run at the top of those ranges. Full-frame replacements add $400 to $800 per opening for jamb work, flashing, and trim. The price goes on paper before work starts and it does not move. Call (817) 686-2228 for a free written estimate.
We Also Serve Cities Near San Marino
Meridian Windows & Doors handles San Marino and the surrounding communities. We regularly work in San Gabriel, Alhambra, Pasadena, and South Pasadena. If your home is in one of these cities and you’re facing the same pre-war framing or design-review hurdles, the same written-price standard applies. Call (817) 686-2228.
Serving San Marino, CA - Our Local Coverage Area
We’re based in the San Marino 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 San Marino
Yes, for most window replacements in San Marino. Any window visible from the public right-of-way on an eligible property goes through the Cultural Heritage Commission design review before the building permit is issued. Rear elevations not subject to review still require a standard building permit. We handle the permit application and the review paperwork for every job. Call (817) 686-2228 and we’ll check your property’s status before you pay for drawings.
In most cases, no. The original rough openings on San Marino’s pre-war homes are frequently non-standard and out of square, often by a half inch or more. A standard off-the-shelf unit won’t seat or seal. The correct approach is a laser scan of the true opening, then custom-ordered sashes matched to the measured dimensions. That’s how we order every unit in San Marino. Call (817) 686-2228 for a free measurement visit.
It does. Homes under dense oak and sycamore shade have lower exterior glass temperatures, especially during coastal marine-layer mornings. A very low solar heat gain coefficient can cause interior-side condensation on the insulated glass unit. We specify a moderate SHGC for heavily shaded elevations, which keeps the glass clearer while still meeting California energy code. The right glass is elevation-specific, not one-size-fits-all. Call (817) 686-2228 and we’ll spec it correctly.
Plan on four to eight weeks, depending on whether the Cultural Heritage Commission review is required. The review itself takes two to three weeks. Custom window fabrication takes three to five weeks after approval. Installation of a typical full-home replacement runs two to five working days on site. We give you a written calendar at contract signing, and we hold to it. Call (817) 686-2228 for a project timeline specific to your home.
Three things, none of them surprises. Rotted sill or jamb framing discovered after the old window comes out adds repair carpentry. Asbestos-tainted caulk or glazing on pre-1978 homes requires certified abatement. And if a laser scan reveals openings further out of square than the initial survey showed, custom jamb extensions and additional shimming add labor. Every one of these is written into a change order on paper before any extra work starts. There is no doorknob pricing on our jobs. Call (817) 686-2228 for an exact quote on your home.
Window Installation in San Marino, CA – Meridian Windows & Doors
Written price before work begins. 365-Day Done Right Promise in writing. Live answers around the clock. Call (817) 686-2228 for a free estimate.
Written by Elliot Vance, Owner at Meridian Windows & Doors, serving San Marino through the Garrison Partners family since 2009.










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