Mountain View Andersen Windows

Andersen is the name a lot of Mountain View homeowners already trust before they call anyone — a national premium brand with decades of recognition and a genuinely distinctive material at the center of its lineup. Where most windows are vinyl, fiberglass, or wood, Andersen's signature is Fibrex, a wood-and-polymer composite engineered to be stronger and more stable than vinyl while allowing slim, refined frames. For a homeowner who wants a higher-end window with a name behind it, Andersen is squarely in the conversation. Bay Area Siding Company installs Andersen across the city and runs the full project: measuring, glass and frame selection, Title 24 paperwork, permitting, removal, flashing, air-sealing, and the walkthrough.

Interested in Andersen? Request an estimate or call (415) 619-5167.

What Fibrex and the Andersen lines offer

Andersen's positioning rests on its material and its range:

• Fibrex composite. A blend of reclaimed wood fiber and polymer that's stronger and more thermally stable than vinyl, which lets Andersen build slimmer frames with more glass. It holds color well and doesn't need repainting.
• 100 Series — full-Fibrex windows, Andersen's more accessible line, with the composite's strength and slim profiles.
• 400 Series — Andersen's most popular line, a wood window with a low-maintenance exterior cladding, combining a warm wood interior with a durable outside.
• A-Series — the top architectural line, with the broadest style, color, and hardware options for a design-driven project.

That spread lets Andersen serve everything from a clean, slim-framed replacement to a wood-interior window that suits a more traditional room — all under one recognizable brand with strong warranty backing (confirmed in writing for the specific product).

Fitting Andersen to a Mountain View home

Andersen's strengths line up well with two kinds of Mountain View house. On the city's Eichler, Mackay, and ranch homes — built with expansive glazing and sliders — the slim Fibrex frames of the 100 Series keep those big openings reading like big openings, which is central to the mid-century look, while delivering modern dual-pane efficiency. On an Old Mountain View bungalow or a traditionally styled remodel, the 400 Series wood-interior window suits a room that wants warmth and period-appropriate proportions. The A-Series is the pick where a remodel is design-led and wants maximum configuration.

Comparing premium brands? Andersen and Marvin are the two premium lines we install most; Marvin leans on fiberglass and wood with a strong custom/large-size story, while Andersen's differentiator is Fibrex and brand recognition. For West Coast vinyl and fiberglass at a lower price point, compare Milgard and the California-made Anlin; for a broad national range, Pella. The window replacement hub helps you narrow it.

Energy code and the Mountain View permit

Whatever line you choose, the comfort payoff comes from the glass — dual-pane, Low-E units that cut the summer solar gain on sun-facing rooms and hold warmth through the Valley's wet winter. California's Title 24 energy code caps U-factor and SHGC for replacement windows, and because the required numbers vary by climate zone and code cycle, we spec to the code in effect at permit time rather than a figure quoted online; Andersen's lines are readily configured to comply. On permitting: Mountain View treats window replacement as an alteration under the energy code, so it runs through the standard building permit process — not the same-day path a like-for-like siding re-side uses — with a Title 24 compliance form as part of the submittal, reviewed by the Building Division (Building/Fire Protection, within Community Development). We prepare the documentation and handle the permit.

What affects the cost

Andersen is a premium brand, and the number reflects the line (A-Series sits above 400 Series above 100 Series), the number and size of openings, retrofit versus new-construction install, the glass package (tempered where a specific opening's code requires it, acoustic near a busier road), the condition of the existing framing, and access on upper stories. A retrofit keeps the existing frame and is less invasive; a new-construction install removes the window to the framing so flashing can be fully renewed — the right call where there's rot or past water intrusion. We measure and recommend based on what we find.

Frequently asked questions

What is Fibrex, and why does Andersen use it? Fibrex is Andersen's proprietary composite of reclaimed wood fiber and polymer. It's stronger and more thermally stable than vinyl, which lets Andersen build slimmer frames with more glass, and it doesn't need repainting.

Is Andersen a good fit for an Eichler or ranch? Often, yes — the slim Fibrex frames of the 100 Series keep large mid-century openings reading correctly while delivering modern efficiency. We'll match the line to your openings on a walkthrough.

How does Andersen compare to Marvin? Both are premium. Andersen's differentiators are Fibrex and brand recognition; Marvin leans on fiberglass and wood with a strong story for custom and large sizes. We'll tell you which suits your project and budget.

Do I need a permit for Andersen windows in Mountain View? Yes. Window replacement here goes through the standard building permit process with Title 24 energy compliance as part of the submittal, not the same-day siding path. We prepare and file it.

Get started

Get a premium window sized, specced, and installed right the first time. Request an estimate or call Bay Area Siding Company at (415) 619-5167. We also handle window replacement, siding replacement, and James Hardie siding in Mountain View, serve the wider South Bay, and post finished work in the project gallery.