Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Replacement Across Novato
Window replacement in Novato runs $650 – $1,850 per opening for most homes, and full-frame work on older ranch or hillside houses typically lands between $1,200 and $2,800 per window depending on rough-opening condition and glass spec. That’s the honest range before we’ve measured anything. What actually moves the number in Novato is the split between flat-lot 1950s-60s ranch tracts and hillside homes above Ignacio Boulevard where rough openings were framed by hand and rarely square. We measure every opening before ordering, because a template spec from a tract home in Hamilton won’t fit a 1968 custom build off Big Rock. Call (682) 281-2168 and we’ll scope the job in person. Written price before a single screw turns.
Why Juniper Windows & Doors Is Novato’s Preferred Window Replacement Company
Novato homeowners call us because we don’t play the estimator game. Sean Mackey and the Juniper team operate inside the Relay Home Co. family, founded in 2001, and every project follows the same rule: a written price before any work starts, backed by the 365-Day Done Right Promise. If it’s not right, we make it right. Parts and labor, in writing, for a full year.
We know Novato’s housing stock the way a local should. In the Pleasant Valley area we replaced a set of failed dual-pane double-hung units where the seals had clouded on the south-facing sashes, swapping in Low-E insulated glass units with fresh jambs and re-flashing the sill pans. The homeowner’s west-side rooms had been pulling afternoon heat through the old SHGC and came down noticeably once the new glass went in. Out in the hills off Ignacio we rebuilt a living-room opening with a casement and had to fur out the rough opening because the original 1968 framing was out of square. That’s what Window Replacement means in Novato: measuring what’s actually there, not what the catalog assumes.
Every technician arriving at a Novato home is background-checked and uniformed. You get a live arrival time on the Relay Visibility Guarantee, before-and-after photos of the work, and a digital invoice you can pay from your phone. When you call, a live person answers. That’s 24/7, no voicemail maze.
Window Repair in Novato
Window Repair in Novato usually means one of three things: a failed dual-pane seal that’s clouded between the glass, a rotted wood sash or jamb, or hardware that’s stopped latching. On the west side of town, where the marine fog belt cycles moisture through the year, cheap flashing and sill pans degrade faster than they do inland. We see it constantly in the flats off South Novato Boulevard. A typical seal replacement or sash rebuild runs $185 – $420 per window, and a full sash-and-jamb repair with new flashing lands in the $500 – $1,100 range.
Failed Seals and Fogged Glass
When the inert gas between panes leaks out and the glass fogs, the insulating value is done. You can’t clean it from the outside. In Novato’s older dual-pane units, this is the single most common repair we quote. The fix is a new insulated glass unit in the existing frame, which is faster than a full replacement and costs roughly half.
Rotted Sashes and Sill Pans
Moisture cycling near Novato’s western creek corridors and the fog belt off San Pablo Bay wrecks wood sashes. We pop the sash, route or replace the rotted section, and re-flash the sill pan so water drains out instead of in. When rot has reached the rough opening, we’ll tell you straight: it’s time for a full-frame replacement, not a patch.
Window Replacement Company in Novato
Window Replacement Company work in Novato means full-frame replacement, not just swapping glass. We pull the old window down to the rough opening, inspect the framing, correct any out-of-square conditions, install the new unit, and flash everything properly. That matters here because Novato’s 1950s and 60s ranch tracts, especially around Hamilton and Pleasant Valley, were framed fast and often measure 3/8″ to 1/2″ out of square corner to corner. A stock unit ordered blind will arrive too small and need custom extension jambs, or worse, it won’t seat right and air leaks around the frame.
Full Frame Replacement
This is the job when the existing frame is rotted, the rough opening needs correction, or you want to change the window style entirely. Full-frame work in Novato runs $1,200 – $2,800 per opening, most of that driven by what we find once the old unit is out. We lock the written price before that discovery happens, so the number doesn’t move mid-job without your signature.
Insert Replacement
Inserts fit a new window into the existing frame, which keeps costs down and preserves trim and siding. Novato homes with sound framing and standard openings do well with inserts at $650 – $1,450 per window. But inserts only work if the existing frame is square and dry. That’s the measurement we take before recommending them, not after.
Trusted Brands We Service in Novato
We have access to eight product lines, and for Novato homes we frequently specify PGT impact-rated units, ES Windows for custom openings, and CWS for value-conscious replacements where the existing frame is still solid. Skipping the brand fight is the point: we order what the opening and the sun exposure actually call for. Parts and service for these brands are available locally, which speeds up warranty work when a Novato customer needs a replacement sash or hardware repair. You’re never waiting on a factory from across the country.
Common Window Replacement Problems We See in Novato Homes
- Out-of-square rough openings in 1950s-60s ranch tracts. Hamilton and Pleasant Valley homes were framed quickly, and corners frequently run 3/8″ to 1/2″ out. Stock windows arrive too small. We measure every opening first, then order to the actual dimensions, not the catalog.
- Skipped permits on like-kind swaps. Novato requires permits for window replacement. Unpermitted work surfaces at resale when the city inspector asks for final sign-off. We pull permits on every job and walk the inspection with the inspector.
- Marine fog belt moisture cycling on the west side. Repeated wet-dry cycles degrade cheap flashing and sill pans faster than the drier east side of town. We see rusted sill pans and rotted jamb extensions in west-side homes that are only 15 years old.
- Wrong glass for the exposure. South-facing and west-facing Novato windows take serious afternoon sun. Old clear double-pane units pull heat through the glass. Low-E insulated units with the right SHGC solve it, and the difference in a west-facing living room off Ignacio is immediate.
Pricing for Window Replacement in Novato, CA
Insert replacement on a standard opening in Novato runs $650 – $1,450. Full-frame replacement lands at $1,200 – $2,800 per window. A full house of 10-12 windows in a Hamilton ranch typically totals $12,000 – $26,000, and a hillside home with non-standard openings above Ignacio Boulevard can run $18,000 – $35,000 when we’re furring out rough openings and rebuilding jambs. What moves the price: rot discovered once the old unit is out, out-of-square framing that needs correction, and glass spec, because impact-rated PGT units cost more than standard Low-E. Since we write the price before work starts and you sign a change order before any extra scope begins, the number doesn’t creep without you seeing it. Estimate is free. Call (682) 281-2168.
We Also Serve Cities Near Novato
Our Novato crews regularly work the surrounding area, including Fairfax, San Anselmo, Petaluma, and San Rafael. If you’re just outside the city line, reach out and we’ll route a local crew to you. Everything on this page about Window Replacement in Novato applies the same way in the neighboring communities. Scheduling is coordinated from the brand’s San Francisco Bay Area office with crews serving Novato locally.
Serving Novato, CA - Our Local Coverage Area
We’re based in the Novato 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 Replacement in Novato
Yes. Novato requires a building permit for window replacement, even for like-kind swaps in the same rough opening. We pull the permit as part of the job, schedule the inspection, and handle the final sign-off so nothing surfaces at resale. The permit path adds a few days to the calendar but keeps the work legitimate. Call (682) 281-2168 for a written quote that includes permit scope.
Most Novato window replacement jobs run 2 – 4 weeks from signed contract to final inspection. Measurement happens in the first 3 – 5 days, windows are ordered to spec, and installation takes 1 – 3 days depending on the count. The permit and inspection sequence adds 3 – 7 business days, so a full-house ranch replacement in Hamilton is usually done inside a month. Hillside custom openings off Ignacio add time when framing correction is required. We’ll give you the calendar in writing before work starts.
Three things: rot discovered when the old unit comes out, rough openings that are out of square and need framing correction, and glass upgrades. Novato’s 1950s-60s ranch houses are the usual suspects on all three. When any of these happen, we bring you a written change order with the exact new number, and nothing proceeds until you approve it. The 365-Day Done Right Promise covers the completed work for a full year, parts and labor, in writing.
Standard Low-E insulated glass handles Novato’s sun load and temperature swings well for most homes. Impact-rated PGT glazing is worth the cost when you want extra protection against wind-borne debris or you live on a hillside with direct wind exposure off the bay. Impact-rated units run roughly 40 – 60% more per window than standard Low-E. We’ll spec the right glass for the exposure instead of defaulting to the most expensive option. Call us at (682) 281-2168 for an exact price comparison.
Yes, when the frame and rough opening are still solid. Failed dual-pane seals, fogged glass, rotted sashes, and broken hardware can all be repaired for $185 – $1,100 per window depending on scope. In Novato’s west-side fog belt we often recommend repair over replacement when the flashing and sill pan are still intact, because the remaining assembly has years left. If rot has reached the rough opening, replacement is the honest answer. A free estimate will tell you which one you need.
Call Juniper Windows & Doors for a Written Novato Price
You’ll get a written price before any work starts, a live arrival time, photo updates, and a digital invoice. Sean Mackey and the team have been doing this inside the Relay Home Co. family since 2001, and the 365-Day Done Right Promise covers every completed installation. Call (682) 281-2168 to schedule your free estimate in Novato.
Written by Sean Mackey, Owner at Juniper Windows & Doors, serving Novato.










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