How much should a sliding door installation cost in 2026?
A real breakdown of pricing in the East Bay — from $3,500 standard installs to $35,000+ multi-slide systems. What you're paying for and how to spot inflated quotes.
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Free Resources
Buy smarter. Save thousands.
Honest, practical information from 12 years of installations. No marketing fluff, no vendor talking points — just what we wish every homeowner knew before they got a quote.
Featured — Free Download
The 2026 East Bay Door & Window Buyer's Guide
A 28-page no-nonsense guide to choosing the right door and window system for your East Bay home. Written by our owner — the same person who'd walk through your house on the estimate.
What's inside
- What every quote should include (and what to push back on)
- Sliding vs. French vs. multi-slide — when to use which
- The 7 frame materials compared (with real-world pros and cons)
- Glass specifications decoded: U-value, SHGC, low-E, laminated
- How to evaluate an installer in 10 minutes
- Permit, structural, and HOA considerations in Contra Costa & Alameda
- The 5 questions to ask every installer before signing
- Red flags: contracts, change orders, warranty fine print
Free, no email required.
Articles & Tips
From the Horizon journal
Sliding vs French vs Multi-Slide: Which is right for your home?
Honest pros and cons of each door system, with photos of how they look in real East Bay homes. Includes typical opening sizes and pricing for each.
Read Article →Will new windows really lower my PG&E bill?
Yes — and we have the customer data to prove it. The math, the payback period, and which window upgrades actually move the needle in California's climate.
Read Article →Door & window terminology, decoded
Mullion, sash, jamb, U-value, SHGC, casement, awning, transom — what these terms actually mean, and which ones matter when comparing quotes.
Read Article →Do I need a permit? Contra Costa & Alameda guide
Like-for-like replacement vs. structural change — when permits apply, when they don't, and how Horizon handles the paperwork on your behalf.
Read Article →10 questions to ask before hiring any installer
The questions that separate professional installers from the rest. Print this list and bring it to every estimate — you'll see who hesitates.
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