Deck Repair & Reconstruction
Rot, loose boards, and failing railings fixed at the source — not patched over
A premium take on deck repair & reconstruction
Bay Area decks age fast: moisture finds every unsealed cut, and a deck that looks fine on the surface can be rotten underneath. ISMA Builders repairs the structure, not just the symptoms. We open up suspect framing, replace compromised joists and posts, refasten or resurface the deck field, and bring railings and stairs back to code. When a deck is worth saving, we save it honestly — and when repair costs more than a rebuild, we tell you that before you spend a dollar.
This service is a good fit for homeowners and property managers who want a clean, professional result without juggling the details themselves. We handle the prep, the finish work, and the cleanup so the space is ready to enjoy when we're done.
Every project covers the essentials
- Full structural assessment of framing, posts, and connections
- Rotted joists, beams, and posts replaced with matching lumber
- Board-by-board resurfacing that keeps the frame and saves the budget
- Railing and stair upgrades brought to current code
- Sealing and moisture protection so the repair outlasts the weather
- Honest advice when repair stops making sense — no forced rebuilds
Four steps from first call to final walkthrough
Assessment
We inspect the deck top to bottom — including under it — and flag rot, movement, and anything code-related before we quote.
Written Scope
A line-by-line repair estimate: what gets replaced, what gets refastened, what gets left alone, and the price for each.
The Repair
Structure first, surfaces second, matched materials so the repaired sections blend with the rest of the deck.
Final Check
We load-test railings and stairs, walk the whole deck with you, and seal the work before we call it done.
Need this service?
Tell us about your space and we'll send a clear, no-pressure estimate.
(650) 280-3744- Free, no-pressure estimates
- Local, responsive service
- Clear timelines & communication
Serving San Francisco & the Peninsula
Based in the SF Bay Area, serving San Francisco and the Peninsula. Not sure if we cover your address? Mention it when you request your free estimate.
The difference a careful job makes
Small choices in prep, materials, and finish work add up to a result that looks better and lasts longer.
Polished Finish
A clean, professional result that elevates the look and feel of the space.
Built to Last
Careful preparation and quality materials help the result hold up over time.
Detail-Driven
We sweat the edges, transitions, and finish work that cheaper jobs skip.
Respect for Time
Clear timelines and steady communication from first contact to walkthrough.
Detail-driven from start to finish
Premium results come from disciplined habits — not shortcuts. Here's the standard we hold ourselves to on every project.
Clear Communication
Straightforward answers, transparent scope, no surprises.
Careful Preparation
Surfaces, materials, and the site are prepped before any real work begins.
Professional Materials
We work with materials chosen for the finish and longevity they deliver.
Respect for Property
Floors, fixtures, and surroundings are protected throughout the project.
Final Quality Check
Every job ends with a walkthrough so the result matches expectations.
Questions, answered
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Outdoor Deck Railings & Stair Installation
Safe, code-compliant railings and stairs that sharpen the whole deck
Learn MoreGet a free estimate for deck repair & reconstruction
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