Hayward Andersen Windows

Andersen is one of the most recognized window brands in the country, and its reputation rests on two things: premium materials and a signature composite most competitors can't offer. For a Hayward homeowner renovating a home they intend to keep — particularly one of the character-rich houses near downtown, or a larger foothill home where the windows are part of the architecture — Andersen is often the brand that comes up when the priority is longevity and looks over lowest price. Bay Area Siding Company, based in Larkspur, installs Andersen windows across Hayward, and this page walks through the material families and how to choose.

Interested in Andersen for your home? Call (415) 619-5167 or request a bid.

What sets Andersen apart: Fibrex

Andersen's signature material is Fibrex, a composite of wood fiber and thermoplastic polymer that aims to combine the stability and low maintenance of a synthetic with strength closer to wood's. It lets Andersen build slimmer frames with more glass than a comparable vinyl unit, and it holds dark exterior colors — a genuine advantage over through-color vinyl, which is limited in how dark it can go. Fibrex runs through the lineup in different ways:

• 400 Series — Andersen's most popular family, pairing a Fibrex-and-wood construction with broad size and style availability; the workhorse premium choice.
• A-Series — the top architectural line, with the widest range of styles, colors, and hardware for owners who want Andersen's best.
• 100 Series — a full-Fibrex line at a more accessible price point, a strong value entry into the brand for a contemporary look.

Alongside these, Andersen offers wood and clad-wood windows for owners who want a genuine wood interior — the natural fit for a period home where the window is meant to read as traditional.

Where Andersen makes sense in Hayward

Andersen's positioning is premium, so the value shows up most in a few situations:

• Character homes downtown. The Craftsman bungalows and Spanish-influenced cottages around downtown often call for a window with real wood inside or a refined, slim-framed composite profile that suits the era — exactly where the 400 Series, A-Series, or clad-wood lines earn their place.
• Larger foothill homes. The newer, larger houses climbing toward the foothills frequently have big openings and design-forward elevations where Andersen's size range, dark colors, and slim Fibrex frames pay off.
• Long-term ownership. If you're renovating to stay, the durability and finish of a premium brand tend to justify the spend over the life of the house.

How Andersen compares

• Anlin and Milgard — West Coast vinyl and fiberglass at value-to-mid pricing; the practical cross-shop if budget leads and you don't need wood or Fibrex.
• Marvin — the other premium wood-and-fiberglass brand, and Andersen's closest competitor at the top of the market; worth comparing directly for a high-end project.
• Pella — a national brand that also spans wood, fiberglass, and vinyl, overlapping Andersen in the premium tiers.
• The window replacement hub sets out the full comparison.

Retrofit or new-construction — and the egress trap

A retrofit (insert) install fits the new Andersen unit into the existing frame and is less invasive; a new-construction (full-frame) install goes back to the framing so flashing and the water-resistive barrier can be fully renewed, which is the right approach where there's rot or you're re-siding. There's a Hayward-specific detail worth flagging on retrofits: the City expects a replacement to keep the original frame and format — a slider stays a slider — and because a frame-in-frame insert is slightly smaller than the opening it fills, it can drop a bedroom window below the code's emergency-escape minimums for clear width, clear height, sill height, and net openable area. On a premium unit especially, you don't want to discover that after ordering, so we size bedroom openings deliberately and steer to full-frame where an insert would fail egress.

Permits, Title 24, and glazing

Hayward processes residential window and door replacements as same-day permits tied to a prescriptive Title 24 energy form, which we complete and submit; the units have to meet the current energy code, and we confirm those numbers at permit time rather than quoting figures that shift by climate zone and code cycle. Tempered (safety) glazing is required in the code's hazardous locations — near doors, close to a walking surface, in stairways, and by tubs and showers — and we flag which openings that affects before ordering. If your home is up in the foothill Fire Hazard Severity Zone (under the 2025 Local Responsibility Area maps), Chapter 7A can add exterior-window glazing requirements, often multi-pane with at least one tempered pane; whether it applies depends on the parcel and whether the work is a repair or an alteration, which we confirm during scoping.

What affects the cost

We price after a walkthrough. The drivers with Andersen: the line (100 Series at the accessible end, A-Series at the top); material (Fibrex composite versus wood or clad-wood); the number and size of openings, since large units are where premium brands cost most; the glass package, including any tempered or fire-zone glazing; retrofit versus new-construction; framing condition; and access.

FAQ

What is Fibrex, and why does it matter? Fibrex is Andersen's signature composite of wood fiber and polymer. It's stable and low-maintenance like a synthetic but strong enough for slimmer frames and more glass, and it holds dark exterior colors that through-color vinyl can't. It's the main reason to consider Andersen over a standard vinyl window.

Is Andersen worth the premium in Hayward? It depends on the home and your plans. For a character home downtown, a large foothill house, or a renovation you're doing to stay, the durability, finish, and design range often justify it. For a straightforward budget replacement, a West Coast vinyl brand may serve you just as well.

Can I get Andersen as a retrofit on my bedroom windows? Sometimes, but carefully. A frame-in-frame insert is slightly smaller than the opening and can shrink a bedroom window below the code's egress minimums. We size these deliberately and recommend full-frame where a retrofit would fail the escape requirements.

Do Andersen windows come in dark colors? Yes — that's a Fibrex advantage. The composite holds dark exterior finishes that most through-color vinyl lines can't offer, which is useful for a design-forward foothill home or a specific historic palette.

Get an Andersen quote for your Hayward home

Call (415) 619-5167 or request a bid. We'll compare the Andersen lines that fit your home and budget, confirm egress and any tempered or fire-zone glazing, handle the same-day permit and Title 24 form, and install correctly. Comparing brands? See Anlin, Milgard, Marvin, and Pella, or the Hayward window replacement overview. We serve the wider East Bay; see finished work in our project gallery.