Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Impact Windows & Doors Across Novato
Impact windows and doors in Novato are not a luxury add-on. They are the difference between a house that sheds wind-blown rain and one that takes on water through corroded 1960s aluminum frames. TruePane Windows & Doors installs and services Custom Windows & Doors in Novato, including impact-rated windows, sliding glass doors, entry doors, and French doors across the city, from the canal-front homes in Bel Marin Keys to the ranch tracts in San Marin and Ignacio. We know which elevations in Novato catch the worst afternoon marine wind, which neighborhoods carry Marin County design-review requirements, and which existing frames are too far gone to salvage. Call (888) 635-0804 and a live person answers, day or night, not a voicemail tree.
Why TruePane Windows & Doors Is Novato’s Preferred Impact Windows & Doors Company
TruePane has served Marin County since 2008 through the craft tradition Dale Kessler founded in 2008. That matters in Novato because the window inventory here is older and more specific than most of Marin. We have replaced original aluminum single-panes in Ignacio tract homes, navigated design review in the Hamilton historic district, and re-glazed canal-facing elevations in Bel Marin Keys that had oxidized to the point of failure. Our technicians are background-checked and uniformed. They measure every opening twice and quote manufacturer lines side by side on paper, so you see exactly what you are buying before any work begins.
Novato homeowners call us because the work gets done right the first visit, and because we register both manufacturer warranty layers in writing before the truck leaves the driveway. That is The Keystone Standard. If the pane is not true, the job is not done, and every job is backed by our Done Right Promise with no paperwork fights.
Our Impact Windows & Doors Services in Novato
Hurricane Impact Windows
Original 1960s and 1970s aluminum windows in Novato cannot be retrofitted to meet current impact or energy codes. The jambs are corroded, the glazing has failed, and the single-pane glass offers no protection against wind-driven debris. We install impact-rated casement and double-hung units in fusion-welded vinyl frames or fiberglass, with composite hardware so salt air in Impact Windows & Doors projects never seizes a latch or hinge. This is the work we do most often in San Marin, Ignacio, and the Hamilton neighborhood.

Impact Entry & French Doors
Entry doors and French doors on west- and northwest-facing elevations in Novato catch the full force of afternoon marine wind funneling down from Big Rock Ridge. Deteriorated sills and flanges let wind-blown rain reach framing and subfloor before you ever see a stain on the wall. We replace those doors with impact-rated units, set them in properly flashed rough openings, and use composite hardware that will not pit in Bel Marin Keys salt air.

Impact Sliding Glass Doors
Novato Sliding & Patio Doors on acreage lots often open onto wide patios or yards, which makes them the largest unprotected glass surface on the house. We install impact-rated sliders with multi-point locks and reinforced frames, and we pay close attention to the threshold flashing. A slider that leaks at the sill will rot the subfloor under the door, and on an open lot with heavy winter drainage, that hidden damage compounds fast.

Impact Garage Doors
Garage doors are the most overlooked opening on a Novato home, but a wind-rated garage door is essential on properties where the garage faces west or sits exposed across a valley slope. We spec and install impact-rated garage doors that match the wind-load requirements for your specific lot, including detached garages and shops on acreage.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Novato
TruePane is an authorized installer for PGT, CGI, and ES Windows, among more than a dozen manufacturer lines. We stock common components for Novato installations, which means faster turnaround when a replacement sash or hardware set is needed. We recommend these brands for Novato specifically because their impact-rated lines hold up under Marin County wind and salt-air conditions, and because their warranty language is clear enough to register in writing under The Keystone Standard.
Common Impact Windows & Doors Problems We See in Novato Homes
- Salt-air oxidation in Bel Marin Keys. Aluminum window frames and door thresholds can show heavy pitting within 8 to 12 years here. The canal-front exposure is severe enough that we spec fiberglass or vinyl frames with composite hardware from day one, and we caution buyers that aluminum-clad products will likely void their warranty on this exposure.
- Corroded original aluminum single-panes in Ignacio and San Marin. These 1960s and 1970s windows have jambs and sashes that no longer close flush. They cannot be retrofitted for impact or energy compliance, so replacement is the only honest fix.
- Wind-blown rain infiltration on west and northwest elevations. The corridor between Novato’s surrounding hills channels afternoon marine wind hard against these facing walls. Deteriorated door sills and window flanges let that rain reach framing and subfloor, causing hidden rot on acreage properties where drainage runs toward the house.
- Design-review complications in Hamilton’s historic district. Converted 1930s and 1940s military buildings often trigger Marin County requirements for historically compatible window profiles. You cannot simply drop in any impact-rated unit; the profile must be approved first, and we scope that before quoting.
Pricing for Impact Windows & Doors in Novato, CA
A typical impact window replacement in Novato runs $850 to $2,400 per opening, depending on size, frame material, and whether the rough opening needs new flashing or rot repair. Impact entry doors run $3,500 to $8,500 installed. Impact sliding glass doors run $4,000 to $11,000, with canal-facing Bel Marin Keys installations trending toward the higher end because of the hardware and frame requirements that stand up to salt air. Impact garage doors run $2,800 to $7,500 depending on width and wind-load rating. Acreage lots add scoping costs for access, material staging, and drainage review, which we include in a written line-item quote before any work begins. Call (888) 635-0804 for a free estimate, and ask about our permanent 5% discount for seniors and veterans.
Key Takeaways
- Bel Marin Keys canal homes need fiberglass or vinyl frames with composite hardware, not aluminum.
- Original 1960s-70s aluminum windows in Novato cannot be retrofitted to impact code.
- Hamilton historic district windows may require Marin County design review before replacement.
- Impact entry and French doors on west-facing elevations take the hardest wind-driven rain.
- Most Novato impact window and door jobs are completed in a single visit.
We Also Serve Cities Near Novato
Our crews serve homes and acreage properties in Fairfax, San Anselmo, Petaluma, and San Rafael. If your property sits close to the Novato line, we still scope it with the same attention to local permitting, wind exposure, and drainage conditions. Impact Windows & Doors in Novato often bring us to neighboring lots within a day or two.
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 - Impact Windows & Doors in Novato
Yes, Bel Marin Keys canal homes genuinely need impact-rated windows, and the reason is salt-air corrosion as much as wind. Standard double-pane units in aluminum frames will oxidize and pit within 8 to 12 years on canal-facing elevations, and the seals will fail even sooner. Novato Glass Railing Systems and impact-rated units in fiberglass or vinyl with composite hardware are the starting point here, not an upsell. Call (888) 635-0804 to scope your waterfront elevation before the next winter storm season.
Likely yes. Hamilton’s converted 1930s and 1940s military buildings often fall under Marin County design-review requirements for historically compatible window profiles. You cannot just swap in any impact-rated unit. We scope the review requirements first, match the approved profile, and quote in writing only after we know what the county will accept. Call (888) 635-0804 and we will tell you what applies to your specific lot.
We send a scope team out before quoting to map truck access, material drop zones, and the distance from the road to each opening. On large Novato acreage lots, that often means staging materials near the house rather than at the road, and sometimes it means bringing in a smaller material cart for tight gate or barn access. We include that access plan in the written quote, so there are no surprise line items later.
Yes, if the detached shop or ADU is a conditioned space, impact requirements can apply, especially on west-facing elevations or on lots with heavy wind exposure. Marin County code does not exempt accessory structures just because they are detached. We scope every opening on the property, not just the main house, and the quote reflects all of it. Call (888) 635-0804 to have a technician walk the lot with you.
Grading and drainage change where water runs during winter storms, and that changes how we flash and seal every opening. On an open Novato lot with slope toward the house, a door sill that would be fine on a flat lot can become a water trap. We check grade and drainage before quoting, and we build sill pan flashing and sealant details that match the actual lot, not a generic spec.
Call (888) 635-0804 to schedule your free estimate for impact windows and doors in Novato. A live person answers, day or night. We will measure twice, quote manufacturer lines side by side on paper, and register both warranty layers before the truck leaves your driveway.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Novato and Marin County with a second-generation glazier’s standard since 2008.



Before
After
Before
After
Before
After