Window Replacement in San Rafael - Free In-Home Measure, Written Price

Fast, Reliable Window Replacement Across San Rafael

Window replacement in San Rafael costs $620 – $1,180 per window for full-frame work on most pre-1978 homes, with insert replacements running $480 – $820 per opening. That’s the real range when you account for the dry-rot repair and lead-safe work practices our crews handle on wood-frame and stucco houses throughout the city. We’re Window Replacement specialists serving San Rafael with written pricing before any work starts, so you’ll know exactly where the number lands before a single screw turns. Call (682) 281-2168 and we’ll scope your project straight.

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Why Juniper Windows & Doors Is San Rafael’s Preferred Window Replacement Company

San Rafael homeowners call us because we treat a window job like the structural project it actually is, and when they need San Rafael Door Replacement, we bring the same approach. Most of the city’s housing stock dates before 1978, which means stucco walls, shear panels, and jambs that have been quietly rotting behind the siding for decades. Our crews know what to expect when they pull trim in Gerstle Park, Sun Valley, or the Canal neighborhood. We don’t flinch at water damage. We document it, price it in writing, and fix it before the new unit goes in.

Sean Mackey leads the team, and he’s built the operation around a simple rule: no surprises. Every San Rafael project gets a line-item written price before work begins. If something is found behind the wall, we stop, show you photos, and give you a revised number before touching it. The 365-Day Done Right Promise covers parts and labor for a full year after installation. If the install isn’t right, we make it right. That’s in writing.

Our San Rafael customers also get the Relay Standard on every job: a live arrival time you can track, uniformed and background-checked technicians, before-and-after photos, and a digital invoice you can pay from your phone. A real person answers when you call (682) 281-2168, day or night.

Window Seal Repair in San Rafael

Window seal repair in San Rafael typically runs $180 – $340 for a failed insulated glass unit replacement on a single sash, which is the honest fix when the problem is a fogged pane. But here’s what we see constantly in San Rafael’s older housing: the glass fails because the sash seal failed first. Replace glass only without re-sealing the sash, and you’ll be back in the same spot within two years. We rebuild the sash channel, reseat the glass with fresh glazing, and reinstall so the unit actually sheds water the way the original design intended. If the frame itself has rot or the sash can’t hold a seal, full replacement is the straight answer and we’ll tell you that before ordering parts.

When Fogged Glass Is Only Half the Story

Fogging between panes is a failed IGU seal. But moisture at the sill or condensation on the room side of the glass points to a different problem: air infiltration at the sash or a failed weatherstripping. In San Rafael’s winter rain, that’s the difference between a $240 glass-only repair and a $680 sash rebuild plus flashing.

What Seal Repair Actually Costs Here

Glass-only IGU replacement: $180 – $340. Sash re-seal with new glazing and weatherstripping: $300 – $520 per sash. Full jamb repair with dry-rot remediation and re-flash: $500 – $900 per opening. We give you a written number after we pull the sash and see what’s behind it, not before.

Energy Efficient Windows in San Rafael

Energy efficient windows in San Rafael run $540 – $980 per opening for low-E, argon-filled insulated units in a retrofit application, and they make a measurable difference in this climate. San Rafael sits in a marine-influenced zone with foggy mornings, dry summers, and winter rain that tests seals. The real upgrade isn’t just low-E glass, it’s a U-factor at or below 0.30 paired with a frame that doesn’t leak air. Most pre-1978 San Rafael homes still have single-pane aluminum frames with U-factors around 1.2. You’ll feel the difference the first cold snap. The savings on your PG&E bill land slower, usually 15 – 25% on window-adjacent heating and cooling costs, but the comfort change in rooms facing the western sun or the bay breeze is immediate.

Low-E Glass and Why It Matters in Marin’s Sun

Low-E coatings reflect infrared heat while letting visible light through. On San Rafael’s west-facing rooms, that means less solar gain in summer and less heat loss on fog-bound winter days. We spec different low-E coatings depending on the exposure of the wall, not a one-size-fits-all unit.

U-Factor, SHGC, and What to Actually Ask For

For San Rafael’s climate, a U-factor of 0.30 or lower is right for most retrofits, paired with a solar heat gain coefficient around 0.25 – 0.35. That combination balances the marine layer mornings with the dry summer afternoons. If someone only quotes you “energy efficient,” ask for the actual ratings. We’ll put them on your written quote.

Trusted Brands We Service in San Rafael

Juniper carries and services eight product lines, and for San Rafael’s housing stock we lean on CWS and CGI for impact-rated options where hillside wind exposure is a factor, and ES Windows for narrow-line frames that match the look of older wood sash without the rot problem. ECO Window Systems rounds out our vinyl lineup for tighter budget retrofits where street-side aesthetics aren’t the main driver. Because we stock local parts and maintain direct ordering with these manufacturers, turnaround from measure to install on a standard San Rafael retrofit runs about 3 – 5 weeks depending on the brand, not the 2 – 3 months some national chains quote. We service and replace units from these brands across San Rafael, not just when we installed them.

Common Window Replacement Problems We See in San Rafael Homes

• Rot at the jamb behind stucco. Pull the old window on a 1950s or 1960s wood-frame home and there’s a real chance the sill and jamb are soft. San Rafael’s winter rain and fog feed slow rot for decades before anyone notices. We open the wall, cut out the damage, sister in new stock, and flash before the new unit goes in.
• Fogged or failed insulated glass from sash seal failure. The IGU doesn’t usually fail on its own. The seal at the sash goes first, then condensation between panes. We rebuild the sash channel and address the root cause, not just the visible fog.
• Stucco and shear-wall rough openings that can’t be flashed like wood siding. These walls need proper pan flashing and sometimes supplemental membrane work, or winter rain finds the gap within a season. We flash every San Rafael opening to the drainage plane before setting the window.
• Hillside wind exposure along Dominican and Peacock Gap. South-facing and ridge-line homes catch strong prevailing wind that exposes leaky seals and sloppy installs fast. Improperly sealed units show up as drafts within the first winter. We spec and seal for the actual exposure of your lot.

Our crew replaced six double-hung units on a 1950s ranch in Terra Linda, where pulling the old sash exposed water-rotted jambs behind the stucco. We sistered in new jamb stock, flashed the rough openings, and set low-E insulated glass units with a laminated glass interlayer, then confirmed the inspector signed off on the final before we closed up the walls.

Pricing for Window Replacement in San Rafael, CA

We Also Serve Cities Near San Rafael

Beyond San Rafael, we handle window replacement for homeowners in San Rafael-adjacent communities including Larkspur, Kentfield, Corte Madera, and San Anselmo. If you’re in the 94901, 94903, or surrounding ZIPs, our scheduling works the same: book a tap, get a written price, live arrival time, and photos along the way.

FAQs About Window Replacement in San Rafael