Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
CWS Construction in Bonny Doon, CA | San Mateo Construction
We’re San Mateo Construction, an independent contractor providing Bonny Doon Home Remodeling and CWS service across the area for window replacement, impact window installation, and metal roofing work. Our CWS work here differs from anywhere else in the Santa Cruz Mountains because nearly every Bonny Doon parcel is a wildland-urban-interface job: steep access, fire-hardening code scrutiny, and fog-belt moisture working on aluminum frames at the same time. If your CWS doors or windows are binding, fogging, or flagged at a Cal Fire inspection, call us at (855) 901-7266 for a free estimate.
Why Bonny Doon Residents Choose Us for CWS Service
Most contractors in the Santa Cruz Mountains only touch CWS products when a storefront or sliding door fails outright. We’ve spent years building and fire-hardening homes with CWS materials across this terrain, from CWS in Ben Lomond to Bonny Doon, so we know which gasket compounds hold up in wet winters and where WUI code inspectors actually check ignition paths. Noel Carrington, our owner, grew up framing footings in San Mateo County and has carried that same material-level practicality into every Bonny Doon job we take on. When we quote a CWS repair, we’re quoting it from the perspective of someone who’s re-squared aluminum frames on sloped lots off Empire Grade; we’re not guessing at how mountain weather affects glazing.
Being independent matters here. We’re not a manufacturer outlet pushing whatever’s in stock. We spec the CWS assembly that fits your parcel and budget, and we pull OEM hardware and gaskets whenever they exist and match the original fire or wind rating. For Bonny Doon homeowners on private wells, septic, and long unpaved driveways, that independence shows up as honest advice about whether a frame is worth re-glazing or should be replaced outright. CWS sales & service is only part of what we do, but we treat every assembly like it’s carrying the load of a whole home system.
Styles & brands we work with
Common CWS Construction Problems We Solve in Bonny Doon
- Fog-belt condensation and gasket shrinkage. The coastal-influenced damp that settles over Bonny Doon works on CWS aluminum storefront glazing year after year. Perimeter gaskets harden, weep systems clog with redwood duff and debris, and frames start fogging or weeping into interior finishes. We see this constantly on older CWS storefronts and slider assemblies, especially on cabins that sit in the fog line off Empire Grade.
- Fire-hardening gaps at the frame-to-wall joint. Post-2020 wildfire rebuilds around Bonny Doon often reuse CWS aluminum door and window assemblies whose sealant and intumescent detailing got skipped at the WUI line. That leaves ignition paths that Cal Fire defensible-space review flags immediately. We re-seal and re-detail those joints to spec, because a CWS window that’s rated for fire resistance only works if the wall assembly around it is intact.
- Wind and slope-driven racking. On exposed parcels off Empire Grade and Pine Flat Road, poorly anchored CWS storefront and slider frames rack out of square during winter storms. Call us when doors start binding, rollers fail, or you notice stress cracks at the glass corners. Re-anchoring and re-squaring a racked frame is often the difference between a repair and a full replacement.
- Hardware and closer fatigue on outbuildings. Hollow metal doors and closer assemblies on Bonny Doon cabins and detached garages take heavy seasonal use. Wet winters rust thresholds, sag closers, and misalign latches. We repair and adjust closers with rated hardware before the door starts dragging or the frame takes real damage.
- WUI code compliance after partial upgrades. Some Bonny Doon homeowners replace windows first, then discover their roof assembly doesn’t meet current fire-resistant standards. We coordinate the full exterior-to-interior scope: CWS windows and doors tied into GAF, Owens Corning, or metal roofing systems that satisfy the same fire review. One team means the window-to-roof transition gets detailed correctly the first time.
CWS Service in Bonny Doon: What Local Conditions Mean for Your Equipment
Because Bonny Doon parcels are unincorporated WUI and almost always terrain-driven, CWS window and door assemblies here have to be detailed for both fire ignition resistance and steep-site wind exposure at once. That’s a combined spec that flat-lot Santa Cruz or Scotts Valley installs rarely demand. The driveway is often the build on these properties: narrow, unpaved, steep access roads off Empire Grade and Pine Flat Road can limit concrete truck and crane access, so we routinely plan for pump trucks, smaller equipment, and materials staged at the road long before framing starts. What that means for CWS owners is simple: a window or door replacement on a sloped Bonny Doon lot isn’t a drop-in job. It requires careful staging, accurate rough-opening measurements taken before hauling materials up, and WUI sealant detailing done at the wall joint the same day the frame goes in. Skip any step and you’re left with a fogging slider that also fails defensible-space review two months later. On a steep, unpaved drive off Empire Grade, our crew took on a post-wildfire rebuild where the owner wanted CWS aluminum sliding glass doors facing the canyon. The original frames had been set without proper WUI sealant detailing at the wall joint, and winter fog and wind had already worked the sliders out of square, so we replaced the glazing gaskets, re-anchored and re-squared the frames, and sealed the ignition paths to meet defensible-space review. That’s the combined fire-plus-slope reality of this place.
CWS Models & Products We Service in Bonny Doon
We work on CWS Storefront & Entry Door Systems, including commercial-grade aluminum and glass entry assemblies; CWS Series 300/400 Aluminum Windows and Sliding Glass Doors; CWS Fire-Rated Hollow Metal Door and Frame Assemblies; and CWS Aluminum Storefront Window Wall and Curtain Wall Systems. For parts, we use OEM CWS hardware, gaskets, and frame components where they exist and match the original rating, and we turn to rated aftermarket glazing and closer hardware when OEM is discontinued or back-ordered. We never substitute a lower fire or wind rating just to close a job. When a CWS assembly is only leaking or out of adjustment, we repair and re-glaze. When the frame itself is racked, corroded, or fails current WUI detailing, we tell you straight that replacement is the honest call.
See the difference
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After
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AfterCWS Service Pricing in Bonny Doon
What a CWS repair or replacement costs in Bonny Doon depends on what’s actually wrong: a fogging slider that needs new gaskets runs far less than a racked storefront frame that needs re-squaring and re-anchoring. Material choice drives the higher end, and fire-rated CWS assemblies cost more than standard aluminum. Here’s what we see on typical Bonny Doon projects:
| Service | Typical Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Metal Roof Installation | $15,000 – $40,000 |
| Roof Repair | $400 – $1,800 |
A free estimate with us includes a site walk at your Bonny Doon property, measurements at the actual frames, and a written line-item quote with no change orders later because the driveway access wasn’t planned for. Call (855) 901-7266 and Noel will tell you what you actually need, and we’ll figure out the right way to build it.
Serving Bonny Doon, CA — Our Local Coverage Area
We’re our General Contractor in Bonny Doon and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – CWS Construction in Bonny Doon
Can a CWS aluminum sliding door assembly meet Bonny Doon’s WUI fire-hardening requirements?
Yes, when the entire assembly is detailed correctly. The frame, glazing, sealant, and the frame-to-wall joint all have to match the current defensible-space standard. We handle that as one scope, then document it for Cal Fire review. Call (855) 901-7266 and we’ll walk your assembly with you.
My CWS storefront windows fog and weep every winter in the fog belt – is that a repair or a replacement?
It depends on the frame’s condition. If the aluminum is square, the weep system is clearable, and the gaskets are just aged, we repair and re-glaze. If the frame is racked or corroded, replacement is the honest call. Call (855) 901-7266 and we’ll assess it on site.
How do steep driveways off Pine Flat Road affect a CWS window or door install?
They change the staging. We plan for pump trucks or smaller equipment, stage materials at the road, and take rough-opening measurements before hauling anything up. It’s a logistical factor that flat-lot installs never deal with, and it’s built into our Bonny Doon estimates from the start. Call (855) 901-7266 for a free estimate that accounts for your access.
Will replacing CWS windows on my cabin require re-roofing or fire-resistant roofing too?
Not always, but if your roof assembly doesn’t meet current WUI standards, upgrading windows without addressing the roof leaves a gap in your fire-hardening envelope. We coordinate both under one contract when needed, so the window-to-roof transition gets detailed correctly. Call (855) 901-7266 and we’ll review your whole exterior.
Do you stock CWS-compatible parts for older aluminum door and window hardware?
We stock common CWS gaskets, rollers, and closer hardware locally, and we pull OEM components when they’re available and match the rating. For discontinued parts, we source rated aftermarket equivalents; we never drop the fire or wind rating to make the parts fit. Call (855) 901-7266 and we’ll match your hardware.
Service Areas Near Bonny Doon
We run Bonny Doon service area calls deep into the Santa Cruz Mountains, and we also cover CWS service in Felton and CWS service in Mount Hermon. For CWS work on the San Mateo Peninsula, we handle San Mateo, Burlingame, Highlands-Baywood Park, Foster City, Hillsborough, and Belmont as well.
Book Your CWS Service in Bonny Doon Today
Tell me what you actually need, and we’ll figure out the right way to build it. Call San Mateo Construction at (855) 901-7266 to schedule your free CWS service estimate in Bonny Doon today, or see our work in nearby CWS in Pasatiempo.
Written by Noel Carrington, Owner at San Mateo Construction, serving Bonny Doon and the Santa Cruz Mountains with independent CWS service and whole-home construction expertise.