Our house was built in 1972. Is an inspection worth it?

Yes, and it is close to the archetypal San Jose case. A clay tile liner of that age has had fifty years of heat cycling plus a significant earthquake, and its condition cannot be established from the firebox. A camera survey turns that unknown into a known.

We are buying in San Jose. Do we need a separate chimney inspection?

Your general home inspection will not have examined the flue interior — that is outside its scope. NFPA 211 treats property transfer as a Level 2 trigger, and in this city the seismic history and housing age make that more than a formality.

Can you tell whether a liner is cracked from the firebox?

No, and that is the whole difficulty. You see the very bottom of the flue and nothing else. Joint separation and cracking higher up leave no trace visible from the room — the fire still lights and the smoke still goes up.

Should we inspect after a smaller earthquake?

If the shaking was enough to move objects in the house, it is reasonable. What matters is what happened at your address rather than the headline magnitude, and seismic liner damage gives no symptom to wait for.

Chimney Inspection · San Jose

Chimney Inspection in San Jose, CA

Every masonry chimney in San Jose was shaken hard in October 1989. Very few of them have had anyone look inside since.

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Chimney & Fireplace

Sweeping, inspection and repair

Wood, Gas & Factory-Built

Different systems, different work

Inspection Is Separate

Not bundled into a cleaning

California Service Areas

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What is different about chimney inspection in San Jose

The 1989 Loma Prieta earthquake shook the entire city's chimney stock. Where stacks cracked above the roofline they were generally rebuilt, but the clay tile liner inside was rarely assessed as part of that repair.
San Jose's housing has changed hands repeatedly in a fast-moving market since 1989, so the chances that any current owner knows what was done to their flue are low.
The 1950–1985 build-out installed tens of thousands of near-identical clay-tile-lined fireplaces, which means the city's chimneys are all reaching the same stage of liner life at the same time.

What Loma Prieta Did and What the Repairs Missed

Seismic movement affects a masonry chimney in two ways. It can crack or topple the stack above the roofline, which is visible and obvious and gets repaired. And it separates the clay tile liner sections at their mortar joints inside the flue, which is neither visible nor obvious and frequently did not.

A rebuilt stack looks like a completed repair. From the room below, so does an untouched one. Neither tells you anything about the liner forty feet up.

Thirty-Five Years and Several Owners

San Jose property turns over. A house that was standing in 1989 has quite likely changed hands three or four times since, and each transfer moved the chimney's history further from anyone who remembers it.

That is the practical position most San Jose owners are in: a masonry chimney that went through a significant earthquake, was possibly repaired in some way, and has no documentation. That is a genuine unknown rather than a theoretical one.

Buying in This Market

A general home inspection does not put a camera inside a flue. That is outside its defined scope, not an oversight, and it means liner condition is simply not covered by the survey most buyers rely on.

NFPA 211 treats property transfer as a Level 2 trigger, and in a city with San Jose's seismic history and housing age the reasoning is stronger than average. Where a survey finds separated joints, the work that follows is relining — which is worth knowing before closing rather than after.

This page covers chimney inspection specifically in San Jose. For how the service works generally, see chimney inspection in our California service areas. For every service available in this city, see chimney services in San Jose.

Other services in San Jose

Chimney Sweep & Cleaning Chimney Repair Fireplace Repair Fireplace Cleaning Chimney Cap Installation Dryer Vent Cleaning

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Chimney Inspection in San Jose — common questions

It does, because much of the damage was never assessed. Repairs commonly addressed the stack above the roofline, which was the visible part. Clay tile liners separate at their joints without leaving any external sign, so where nobody put a camera up the flue, the question remains open.

Chimney Inspection in San Jose

Tell us what the chimney or fireplace is actually doing and we will tell you which service applies — including when the answer is that you do not need one yet.

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