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CWS Construction in Alamo Heights, TX | Sawyer Remodel San Antonio
We provide independent CWS construction service across Alamo Heights, and the one thing that sets our work apart here is simple: we know your house sits on clay that moves, under oaks the city protects, and behind walls built before drywall existed. Sawyer Remodel San Antonio is not manufacturer-affiliated or authorized, which means our recommendations are based on what your specific Alamo Heights home needs, not what a warranty deems convenient. If you need CWS window or door service, call (432) 547-6806 and we’ll put a written price in your hands before any work starts.

Why Alamo Heights Residents Choose Us for CWS Service

Luca Romano has spent years working San Antonio homes, from gut-and-rebuild kitchens in Alamo Heights to full Alamo Heights bathroom remodeling across the metro. He learned the trade at Los Angeles Trade-Technical College and still does a final walkthrough on every job himself. That matters when you live in a 1930s Tudor with original trim you want preserved.
We stock the fast-moving CWS components locally so we don’t have to send to a warehouse in another state. We also walk every job with the homeowner before picking up a tool. That’s how we catch the underlying issue, whether it’s a rotted sub-sill or a racked sash, rather than just treating the symptom. As an independent CWS service provider with CWS sales & service experience across San Antonio, we’ve handled legacy CWS lines that many warranty providers no longer touch. You get someone who knows the product, knows Alamo Heights, and puts it all in writing.
Styles & brands we work with







Common CWS Construction Problems We Solve in Alamo Heights
Here’s what we see on repeat in this city, and why your specific home probably has one of these right now.
- Sash racking on aluminum-clad wood casements. Alamo Heights sits on clay-rich soil that expands and contracts with every wet-dry cycle. That movement telegraphs into old pier-and-beam framing, and CWS aluminum-clad wood windows respond by racking. The lower corners bind or leak. We re-square the openings and replace worn corner keys with reinforced aftermarket versions that hold up better in this climate.
- Hail impact cracks on Series 4000 fixed-glass units. Spring hailstorms are a fact of life in Alamo Heights. We regularly see impact cracks radiating from glazing edges on CWS Series 4000 fixed-glass units, especially on original sunroom additions that face the prevailing storm path. If your glass looks like a spider web, we can price both insulated glass replacement and full window replacement side by side.
- Bi-fold patio door panels jumping track. Older CWS bi-fold doors in Spanish Eclectic homes sit on original pier-and-beam floors that shift with the seasons. Track deflection is what causes panels to stick or jump off entirely. We re-level the track, replace worn rollers, and reinforce where the framing has sagged.
- Threshold rot and stile delamination. Humidity in Alamo Heights is relentless, and mature oaks shade entryways so moisture lingers longer. Lower stiles on CWS exterior doors start to delaminate and the threshold rots. We cut out the rot, rebuild with rot-resistant lumber, and replace the weatherstripping with a profile that actually seals.
- Clay soil stress on new additions. When you’re putting in a CWS window or door as part of a home addition, the foundation matters as much as the fenestration. We see homeowners who spent a lot on windows but skimped on slab prep, and the clay rewarded them with cracks under the sills. We pour for the soil we’re on, not a generic spec.
CWS Service in Alamo Heights: What Local Conditions Mean for Your Equipment
Here’s the thing that makes Alamo Heights different from every city around it. The tree preservation ordinance prohibits removing any live oak over six inches in diameter without city arborist approval. That means a CWS window replacement on a 1920s or 1940s home often requires custom header adjustments or re-framing around mature roots. This permitting step doesn’t exist in nearby Terrell Hills or Olmos Park. Your oak stays, your windows get replaced, and we engineer the opening to coexist with the root system. Our crew replaced three CWS Series 4000 casement windows on a 1931 Tudor on Argyle Avenue after sap-saturated soil from a protected live oak caused the original wood sub-sills to rot and the sashes to rack. We excavated carefully around shallow roots, re-framed the openings with rot-resistant lumber, installed reinforced aftermarket corner keys, and reused the original interior trim to keep the historic look. That’s the difference between a contractor who works around Alamo Heights and one who works in it.
CWS Models & Products We Service in Alamo Heights
We service the CWS lines most common in this housing stock: Series 4000 windows, Series 6000 doors, aluminum-clad wood casement windows, and bi-fold patio doors. For structural repairs, we source genuine CWS components where they’re still available. For legacy lines, we use precision-milled aftermarket seals, rollers, and reinforced corners that match the original profiles and hold up better against Alamo Heights humidity and soil movement. We always price both repair and full replacement so you can make the call with real numbers in front of you, not a sales pitch.
See the difference
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AfterCWS Service Pricing in Alamo Heights
Here are the numbers, in writing, because you shouldn’t have to call just to know if a project fits your budget. What changes the final price: window count, opening condition, whether we’re reframing around roots, and whether you’re replacing the whole unit or repairing it. A free estimate includes a written line-item quote, a look at your specific openings, and no pressure to sign.
| Service | Price Range |
|---|---|
| Impact Window Installation | $8,000 – $25,000 |
| Window Replacement | $4,500 – $15,000 |
| Full Kitchen Remodeling | $14,000 – $45,000 |
Call (432) 547-6806 for an exact quote on your Alamo Heights home. Estimates are free, and the number you approve is the number on the invoice.

Serving Alamo Heights, TX - Our Local Coverage Area
We’re based in the Alamo Heights area and know this community well as your local general contractor in Alamo Heights. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs – CWS Construction in Alamo Heights
Will I need a tree permit to replace my CWS windows or doors in Alamo Heights if my live oak is within 15 feet of the work? Yes, if the live oak is over six inches in diameter and the work disturbs the tree’s root zone, Alamo Heights requires city arborist approval before we start. We handle the permit paperwork and design the reframing to protect the roots, so the tree stays and the windows get replaced. Call (432) 547-6806 and we’ll check your site before you file anything.
Why does my CWS Series 4000 casement window bind only in summer months in Alamo Heights? Summer heat plus clay soil expansion pushes your pier-and-beam foundation upward, which racks the window frame and makes the sash bind at the corners. In winter the clay contracts and the window operates normally again. We re-square the opening and swap in reinforced corner keys to stop the seasonal racking for good.
Do you replace CWS insulated glass units in original Spanish Eclectic homes without changing the exterior trim? Yes. We remove the existing glazing, replace the IGU, and re-bed it in the original stop profiles. The exterior trim stays exactly as it was built, which matters in a historic district where character is the whole point. We’ll match the glass tint and low-E coating to the remaining windows so the street view stays consistent.
How much does a complete CWS window replacement cost for a 1940s Alamo Heights home? For a typical 1940s home with 8 to 12 windows, expect $4,500 to $15,000 depending on window size, opening condition, and whether we need to reframe around protected oaks. The per-unit cost drops when we replace several at once. Call (432) 547-6806 for a written line-item quote on your specific openings.
Can you repair a CWS bi-fold patio door that jumps its track due to foundation movement common in this area? Yes. We re-level the track, replace the worn rollers, and address the framing sag that’s causing the deflection. If the underlying pier-and-beam movement is significant, we’ll price both the door repair and the floor stabilization so you understand the full picture before spending a dollar.
Service Areas Near Alamo Heights
We serve Alamo Heights service area and the nearby communities: CWS service in San Antonio, CWS service in New Braunfels, Universal City, and Kirby. If you’re within a short drive of Alamo Heights, we’ll come out and take a look.
Book Your CWS Service in Alamo Heights Today
Call (432) 547-6806 for a free estimate. We’ll put the price in writing, show up when we say we will, and send you photo updates before and after. That’s the Relay Visibility Guarantee, and it’s how every Alamo Heights job runs. The craft comes first. Everything else follows.
Written by Luca Romano, Owner at Sawyer Remodel San Antonio, serving Alamo Heights since 2005.











