New windows and doors improve comfort, cut energy bills and add long-term value to your home. Meridian Windows and Doors San Francisco 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 homeowners arrive naming - the most impact certifications in the industry$$$
- More impact certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe value pick$$
- Vinyl systems built to strict wind codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Factory-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
Fast, Reliable Window Installation Across Hillsborough
Window installation in Hillsborough runs $1,400 to $4,800 per opening for most homes, with oversized custom units on estate properties reaching $8,000 to $15,000 installed. We coordinate crews out of our San Francisco Bay Area office and schedule Hillsborough work daily. The real cost driver here isn’t the glass, it’s what we find behind the old sash once it’s out: rotted jambs, undersized headers, failed waterproofing. If you’re planning window work in Hillsborough, call (831) 273-7126 and we’ll walk the job with you before any numbers go on paper.
Why Meridian Windows and Doors San Francisco Is Hillsborough’s Preferred Window Installation Company
Hillsborough homes are not like the rest of the Peninsula. The lots are bigger, the windows are wider, and the town’s design review board holds every exterior change to a standard that most contractors never have to face. We’ve worked on Chateau Lane, in the Carolands area, and along Trousdale Drive, and we understand what those homes demand. A meridian is a fixed line you measure everything against, and that’s how we run every install: the written price goes down before work starts, the crew shows up in uniform, and the 365-Day Done Right Promise covers the job in writing.
Elliot Vance, who leads our team, keeps the scope tight: inspection first, allowances written into the contract, and any surprise priced and approved before we touch it. That discipline matters in Hillsborough, where a stop-work order over a missed design-pressure calculation can set a project back weeks. We don’t sell on urgency. We sell on the fact that the number on your quote is the number on your invoice.
Vinyl Windows in Hillsborough
Vinyl windows in Hillsborough present a specific tension: the town’s design review standards lean toward architectural preservation, and vinyl is a modern material that doesn’t always fit the character of a 1920s estate or a 1950s ranch on Chateau Lane. That said, fiberglass-reinforced vinyl frames in darker bronze or matte black now pass design review on many contemporary and remodeled homes in the area, especially where the original sash was aluminum rather than wood or steel. A typical vinyl window replacement in Hillsborough runs $1,400 to $2,400 per opening for a standard double-hung, installed with new flashing and interior trim.
Where Vinyl Makes Sense
On pool houses, garage conversions, and secondary elevations that face away from the street, vinyl gets approved without a fight and performs well in Hillsborough’s wet winters. The multi-chamber frame resists moisture intrusion and the fusion-welded corners don’t separate the way mechanically joined aluminum does. We spec Mr-Glass vinyl when the budget matters and the elevation is not under heavy design review.
What Design Review Will Ask
The town wants to see color, sightlines, and mullion profiles that match the original condition. If your existing windows are wood with a 2-inch frame profile, a chunky vinyl extrusion with 3.5-inch frames will get flagged. We photograph the existing sash, document the frame dimensions, and prepare the submittal package so the first application goes through instead of the third revision.
Picture Window in Hillsborough
A picture window in Hillsborough is rarely a standard order. On estates built in the 1920s through the 1960s, fixed glazing frequently spans 8 to 14 feet, overlooks a garden designed by a real landscape architect, and forms the visual anchor of the living room or gallery wall. Replacing one of these correctly means preserving the view lines while upgrading the glass performance, and that’s a job that runs $2,800 to $6,500 installed for most Hillsborough homes, with the top end reserved for floor-to-ceiling fixed units and custom thermally broken steel frames.
Oversized Glass and Solar Control
South-facing picture windows on Hillsborough’s large lots take direct sun through dry summers. Low-E glass, a thin coating that reflects heat while letting light through, cuts the heat gain without darkening the room. We spec insulated glass units with argon fill on large fixed panes because the center-of-glass performance matters more than the frame when the opening is 40 square feet or bigger.
Structural Requirements for Large Openings
Hillsborough’s building code calculates design pressure differently than surrounding towns because of the exposed ridge lines and long, unprotected facades. When we set a new picture window into an existing opening, the header has to be verified, not assumed. We check the structural condition before the permit gets filed, so if an undersized header needs reinforcing, that number is in the contract, not a surprise change order.
Trusted Brands We Service in Hillsborough
We’re authorized to install and replace products from eight manufacturer lines, and the ones that come up most often in Hillsborough are PGT for impact-rated and large-missile applications, Therma-Tru for entry and utility doors that get replaced alongside window packages, and ViewLux for historic profile matching when wood windows need to look original but perform like new. Local stocking is coordinated through our Bay Area warehouse, which means a missing sash, clip, or hardware set doesn’t put a Hillsborough job on hold while parts come from the East Coast. Elliot Vance keeps the inventory tight and the lead times honest.
Common Window Installation Problems We See in Hillsborough Homes
- Undersized original headers. Homes built before the 1970s often have headers sized for single-pane glass, not the double-pane insulated units modern code requires. Once walls open, if the inspector sees it, it’s a stop-work order and a framing change.
- Failed roof-to-wall waterproofing behind steel jambs. The original builders relied on felt paper and hope. In Hillsborough’s wet winters, water finds its way behind floor-to-ceiling steel frames and rots the rough opening from the inside out.
- Warped custom sash from decades of moisture cycles. Oversized wood sash that saw 40-plus winters have swelled, shrank, and twisted. The first re-glaze attempt on a warped sash often cracks the new glass.
- Design review conflicts on replacement profiles. The town’s standards favor preservation. A homeowner who wants a modern aluminum frame on a 1930s Colonial has an application problem, not a window problem.
Pricing for Window Installation in Hillsborough, CA
Here’s where things stand in the Hillsborough market as of this year. A standard vinyl double-hung replacement on a secondary elevation runs $1,400 to $2,400 per opening. A mid-size picture window in a living room or primary suite runs $2,800 to $6,500. Full floor-to-ceiling steel-framed walls, which Hillsborough has more of than almost any town on the Peninsula, start at $8,000 and climb past $15,000 per opening depending on the glazing and thermal break detail. What moves the number: hidden rot, header replacement, waterproofing rework at the sill and head, and whether design review requires a laminated glass interlayer or custom mullion spacing. Call (831) 273-7126 for a free estimate. The price goes on paper before any work starts, and it does not move at the door.
We Also Serve Cities Near Hillsborough
Our crews cover the broader Peninsula and East Bay, including San Francisco, Oakland, Hayward, and Richmond. If your project is in one of those cities, the same written-price guarantee and 365-Day Done Right Promise applies. For details on our full service area and the broader Window Installation offering, visit that page. Homes in Hillsborough get scheduling priority because of the town’s inspection calendar.
Serving Hillsborough, CA - Our Local Coverage Area
We’re based in the Hillsborough 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 Hillsborough
Yes, in most cases it does. The board’s main concern is visual character, not safety glass. A 5/8-inch laminated interlayer meets the town’s safety-glazing requirement for large glass and doesn’t change the look of the window. We’ve submitted impact-rated packages on mid-century homes along Trousdale Drive and gotten approval with the right mullion profiles. Call (831) 273-7126 and we’ll walk you through the submittal before you commit.
A larger window usually means cutting into a load-bearing wall, which means the header has to be recalculated under current code, not the 1960s code the house was built under. Once the permit reviewer sees the original header size against the new opening, a design-pressure upgrade is almost always required. We budget for this in the written quote so it doesn’t arrive as a surprise. That’s the difference between a rough inspection that passes and one that goes sideways.
We start with a careful exterior-to-interior inspection and open only the plaster we have to. On Chateau Lane, we opened a 1952 steel casement wall where failed waterproofing had rotted the jamb and the header was undersized. The crew cut the rot out, installed a new thermally broken steel series with insulated glass units, added a laminated interlayer, and rebuilt the rough opening to meet current design pressure before the inspector signed off. The interior plaster in that room was never fully removed. It’s methodical work, not demolition.
You can, but it won’t solve the structural problem. Low-E film reduces solar heat gain, but it does nothing for the air and water leaks through a 70-year-old steel frame, and the town’s design review won’t accept a film as a performance upgrade on a project that triggers a permit. The honest answer: if the sash is square and the steel isn’t rusted through, a full re-glaze with an insulated glazing unit inside the original steel is sometimes possible. But on units with corrosion at the weep holes, you’re looking at replacement. Call us at (831) 273-7126 and we’ll tell you which category your windows fall into.
The window itself is $1,400 to $4,800 per opening, but hidden rot is what moves the number. Replacing a rotted jamb and re-flashing the head and sill adds $600 to $1,500 per opening depending on how far the water damage traveled. A new header runs $1,200 to $3,000. On a floor-to-ceiling steel wall, full rot remediation plus a new thermal break can push the opening past $15,000. The answer to keeping this in budget is a proper inspection before the quote, not after the demo. We write allowances into the contract, and any surprise is priced and approved in writing before we touch it. Call (831) 273-7126 for a free estimate.
Written by Elliot Vance, Owner at Meridian Windows and Doors San Francisco, serving Hillsborough with written-price window installation and the 365-Day Done Right Promise.
Six Reasons Homeowners Choose Meridian Windows and Doors San Francisco
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.