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Siding Replacement in Mill Valley, CA
Replace worn siding with an exterior system that fits your home, handles local weather, and gets the details right; from siding to trim.
4.9/5 rating from 67+ online reviews.

Mill Valley Siding Replacement Built Around Your Home
Mill Valley homes have character, and replacing the siding shouldn’t mean losing it. From older wood-sided homes to hillside properties and newer designs, the right exterior needs to balance appearance with moisture management, durability, fire considerations, and maintenance.
Sidex takes a hands-on approach to siding replacement Mill Valley CA homeowners can feel good about. We inspect the existing exterior, look for areas of rot or moisture damage, assess the trim and transitions, and explain what needs to happen before new siding goes up. That means fewer surprises halfway through the project and a finished exterior that looks intentional, not patched together.
Mill Valley Siding Services
Siding Installation
Give your home a durable exterior with professional siding installation in Mill Valley, including careful preparation, weather-resistant detailing, and precise installation.


Siding Repair
Our siding repair service addresses cracked, warped, loose, or moisture-affected sections while helping you understand whether a targeted repair or broader work makes more sense.
Siding Replacement
When old siding has deterioration, moisture issues, or has reached the end of its life, our siding replacement in Mill Valley CA gives you the opportunity to fix what’s underneath.

Siding Materials for Mill Valley Homes
Vinyl Siding
Fiber Cement
Siding
LP SmartSide
Siding
James Hardie Siding
Cedar Siding
Aluminum Siding
Steel Siding
See Our Mill Valley Siding Work
Explore our Bay Area and Mill Valley siding projects to see how Sidex approaches different homes, materials, exterior details, and replacement challenges.
EXCELLENT
Based on 38 reviews
Posted on Google![]()
Tatyana PTrustindex verifies that the original source of the review is Google.
Posted on Google![]()
Vivi BabenkoTrustindex verifies that the original source of the review is Google.
My grandparents backyard deck had taken a beating over the years, especially from all the snow and rough weather. It was definitely time for some love, and Sidex really came through for! What stood out most was the crew and how they treated my grandparents like family and were genuinely so kind throughout the whole project. Really glad we chose them!Posted on Google![]()
Sara YarmolyukTrustindex verifies that the original source of the review is Google.
Extremely helpful employees and truly have honest work and craftsmanship.Posted on Google![]()
Valya StepanovTrustindex verifies that the original source of the review is Google.
I can’t say enough good things about Sidex Siding & Decking! From the first phone call to the final walkthrough, the entire experience was outstanding. The team was professional, punctual, and incredibly knowledgeable. They took the time to answer all of my questions, communicated clearly throughout the project, and paid close attention to every detail. The quality of their workmanship exceeded my expectations, and the finished deck looks absolutely amazing. They treated my home with respect, kept the work area clean, and completed everything on schedule. It’s rare to find a company that truly delivers on its promises, but Sidex Siding & Decking did exactly that. If you’re looking for a trustworthy, skilled, and reliable contractor, I highly recommend them. I couldn’t be happier with the results and will definitely use them again for future projects. Five stars all the way!Posted on Google![]()
Max GatsmanyukTrustindex verifies that the original source of the review is Google.
Fast and professionalPosted on Google![]()
Vince CartersonTrustindex verifies that the original source of the review is Google.
Andrey and Nate were very helpful, would work with Sidex again. I am glad everything went as smooth as they said it would.Posted on Google![]()
Sava VashchukTrustindex verifies that the original source of the review is Google.
We recently hired SIDEX to completely replace the old, worn-out siding on our home and we could not be happier with the results. They gave us a highly competitive and transparent quote with no hidden fees.Posted on Google![]()
Rita SnizhkoTrustindex verifies that the original source of the review is Google.
We couldn’t be happier with how our new deck turned out! From the very beginning, the whole process was so easy, and the Sidex Construction team was amazing to work with. They really listened to what we wanted and brought our vision to life exactly how we imagined it! Our outdoor space has completely transformed, and it’s now one of our favorite places to relax. It’s exactly what we had in mind for our home, and we honestly couldn’t have asked for a better result. We highly recommend Sidex Construction to anyone looking for quality work!Posted on Google![]()
Amanda KilgoreTrustindex verifies that the original source of the review is Google.
Had a great experience working with Sidex. Nate was super helpful during the in-person site visit and took the time to explain everything clearly without making us feel rushed or pressured. Andrey was also very helpful with scheduling and keeping everything organized throughout the process. The whole team was professional, easy to work with, and communication was solid from start to finish. Really appreciated how smooth everything went. Would definitely recommend Sidex to anyone looking for quality work and good customer service.Posted on Google![]()
Marjorie SiemsenTrustindex verifies that the original source of the review is Google.
Tim did a wonderful job fixing a leak on my skylight windows. Totally professional and very detailed in his work. I would definitely consider him for future work!
FAQs About Mill Valley Siding
Cracking, warping, rot, recurring moisture damage, loose panels, extensive fading, or frequent repairs can all point toward replacement. A proper assessment helps determine whether replacement is warranted or if targeted repairs will solve the problem.
Siding and trim work together around windows, doors, corners, rooflines, and other transitions. Damaged or poorly detailed trim can allow moisture behind the exterior, so it needs to be assessed as part of the project rather than treated as an afterthought.
Yes. Older homes often require a closer look at existing wood, trim, moisture damage, and previous exterior work. We take the time to understand what's already there before deciding what should be replaced.
There isn't one universal answer. Fiber cement, engineered wood, cedar, vinyl, aluminum, and steel all have different advantages. We consider the home's architecture, exposure, maintenance expectations, fire considerations, and budget before recommending an option.
Yes. Seasonal rain, moisture, fog, sun exposure, and the wooded environment can all affect an exterior over time. Proper weather barriers, flashing, drainage, and installation details are essential parts of a siding system—not optional extras.
Absolutely. Coordinating siding and trim Mill Valley homeowners need can create a much cleaner finished exterior and gives the installation team the opportunity to address damaged transitions at the same time.
We start with the actual home, not a generic package. We inspect the existing siding, talk through what you're trying to accomplish, explain material and scope options, and build the project around the condition of the exterior. Then our crew handles the installation with attention to the details that will be visible, and the ones that won't.



