Level I vs. Level II Chimney Inspections in Salem, MA: 6 Deciding Factors Every Homeowner Should Know

By David Brothers Chimney Team · Updated June 23, 2026

A Level I inspection covers accessible chimney surfaces during routine annual use; a Level II inspection adds attic, crawl space, and video scanning and is required after any change in use, ownership transfer, or damage event. Most Salem homeowners need a Level II at least once — often more than they realize.

What Each Inspection Level Actually Covers (and Why the Difference Matters for Safety)

A chimney inspection is a structured safety evaluation conducted by a certified technician to assess the structural integrity, clearances, and venting performance of your fireplace system. The confusion between levels isn't just industry jargon — it has direct consequences for fire prevention and carbon monoxide risk.

**Level I** is a visual examination of all readily accessible exterior and interior surfaces of the chimney, firebox, and appliance connections. No special tools, no camera, no moving of furniture or panels. Think of it as the annual wellness check — confirming nothing obvious has gone wrong since last season.

**Level II** includes everything in a Level I, plus an examination of accessible portions of the attic, basement, and crawl spaces, and — critically — a video scan of the flue interior. That camera pass is what catches cracked flue tiles, mortar deterioration, and blockages that no flashlight inspection will ever reveal.

((The National Fire Protection Association (NFPA)|https://www.nfpa.org/)) publishes NFPA 211, the standard that defines these levels for the industry. It states plainly that a Level II inspection is required upon the sale or transfer of a property, after any system changes, and following any event likely to have caused damage — including chimney fires, which can occur without the homeowner ever knowing it.

For Salem homes, where colonial-era construction meets hard North Shore winters, the gap between what a Level I catches and what a Level II reveals can be the difference between a safe heating season and a house fire. We've walked into Federal Street triple-deckers where a Level I looked fine on the surface and a camera scan exposed a liner so deteriorated it was venting combustion gases directly into wall cavities. That's a carbon monoxide story, not just a masonry one — read more about that specific risk in our guide on carbon monoxide and your Salem chimney.

1. How Long You've Owned the Home and Whether You've Ever Had a Camera Inspection

A chimney inspection is only as useful as the eyes doing the looking — and no set of human eyes can see around bends in a flue without a camera. This is the first and most important deciding factor.

If you bought your Salem home and received a "chimney inspection" as part of the home inspection process, there is an 80% chance that inspection was a Level I — a visual check performed by a general home inspector, not a CSIA-certified chimney sweep. General home inspectors are not required to run a camera, and most don't. ((The Chimney Safety Institute of America (CSIA)|https://www.csia.org/)) is clear that a Level II — with video — is the appropriate standard for any property transfer.

What this means practically: if you've never had a camera scan of your flue, you need a Level II regardless of how recently you bought the house or how "recently inspected" the listing said it was. We run into this constantly in Salem's dense neighborhoods — homes on Chestnut Street, Federal Street, or in the Pickering Wharf area that haven't had a true Level II in a decade, despite annual sweepings. The sweeping removes what's there; the camera shows you what the liner looks like underneath.

If you've owned the home for years, had documented Level II inspections, and nothing has changed with your heating appliance or the structure, a Level I is the appropriate annual touchpoint. Our full list of chimney services breaks down exactly what each visit includes so you know what you're scheduling before we arrive.

2. Whether You've Had a Chimney Fire — Even a Small One You Didn't Notice

This factor surprises most homeowners: chimney fires are frequently silent. A slow, smoldering creosote fire inside the flue can reach temperatures above 2,000°F without producing the dramatic roaring sound people associate with the event. You may have had one and never known.

Tell-tale signs after the fact include discolored or warped damper components, a honeycombed or "puffed" appearance to creosote deposits, cracked or collapsed flue tiles visible at the firebox opening, and smoke that suddenly drafts differently than it used to. If you're burning regularly and notice any of these, a Level I is insufficient — you need the camera.

After any confirmed or suspected chimney fire, ((the National Fire Protection Association (NFPA)|https://www.nfpa.org/)) requires a Level II inspection before the appliance is used again. This isn't a suggestion; it's code. Flue tiles can crack in ways that look minor from the firebox but create pathways for heat transfer directly into wood framing — exactly how house fires start.

Salem's older housing stock, much of it built in the 18th and 19th centuries with original brick construction, is particularly vulnerable. Lime mortar joints used in older construction don't absorb thermal shock the way modern refractory materials do. A chimney fire in a 200-year-old Derby Street home is a different structural event than the same fire in a 1990s Danvers subdivision. Our guide on chimney fire prevention for Salem homeowners covers what we look for during every fall inspection in this exact context.

3. Whether You've Changed Your Heating Appliance or Fuel Type

A Level II inspection is required — not recommended, required — any time you change your heating appliance or the fuel it burns. Installing a new wood stove, converting from oil to gas logs, adding an insert to an open fireplace: each of these changes the temperature, moisture content, and chemical composition of the gases your chimney must vent.

The reason this triggers a Level II is straightforward from a safety standpoint: your existing flue was sized and lined for a specific appliance producing a specific BTU output. A new appliance may require a different flue size, a different liner material, or a relining entirely. Running a gas insert through a flue sized for an open wood fireplace, for example, creates a chronic condensation problem that accelerates liner deterioration and raises carbon monoxide risk significantly.

We see this frequently in Salem's historic districts, where homeowners install high-efficiency gas inserts into original colonial fireplaces without realizing the liner situation needs to be evaluated first. The appliance works fine for a season or two, then drafting problems emerge — and by then there's usually liner damage or, worse, a CO issue that's been present since day one.

If you're planning an appliance change in the Salem area or anywhere on the North Shore, contact us for a free estimate before the new unit goes in. Catching liner incompatibility before installation is a fraction of the cost of correcting it after.

4. The Age and Construction Type of Your Salem Home

Salem, MA is one of the oldest continuously inhabited cities in the country. Salem, MA was settled in 1626, and a significant portion of its housing stock predates modern chimney construction standards by centuries. That history is part of what makes this city remarkable — and part of what makes chimney safety here require more than a generic annual checkup.

Homes built before the 1940s frequently have unlined masonry chimneys. Clay tile liners became standard in the mid-20th century; homes built before that era may be venting directly through bare brick and mortar. A Level I inspection will not reveal this definitively. A Level II with a camera will. Unlined chimneys are not legal for use with any modern appliance and present serious fire and CO risks.

Even lined chimneys in Salem's older homes warrant close attention. Decades of freeze-thaw cycling — Salem averages 30+ freeze-thaw events per winter season — combined with the salt air from the harbor, accelerates mortar joint deterioration faster than inland communities experience. We've inspected chimneys in the McIntire Historic District that looked structurally sound from the roof and showed significant liner cracking on camera.

If your home is pre-1950, budget for a Level II every time, not every other time. The incremental cost is worth it. Our guide on masonry chimney repair and deterioration signs explains what that deterioration looks like and at what point repair becomes urgent.

5. Whether You're Buying or Selling a Home in Salem or a Nearby North Shore Town

A chimney inspection is a legal and ethical requirement in any real estate transaction — and the standard is Level II, not Level I. If you are buying a home in Salem, Beverly, Marblehead, or anywhere else on the North Shore and the seller offers a "recent chimney inspection" as documentation, your first question should be: was it a Level II with video?

For buyers, the stakes are high. A chimney that passes a surface-level visual check can still have a cracked liner, an undersized flue, missing mortar in the smoke chamber, or clearance violations to combustibles — none of which show up without a camera. Discovering these issues after closing means you own them. The cost of a Level II inspection before closing is almost always less than the cost of the repairs you'll inherit without one.

For sellers, a pre-listing Level II inspection is increasingly a smart move in the current Salem market. It removes a common negotiating point, prevents deals from falling apart at inspection, and demonstrates good faith. We work with real estate attorneys and agents throughout Salem and the surrounding towns regularly.

David Brothers Chimney serves the full North Shore corridor — if you're in the process of buying or selling in Marblehead, Beverly, Peabody, or Danvers, we can typically schedule Level II inspections within a real estate transaction timeline. See all the areas we serve to confirm your town is on our schedule.

6. What Time of Year You're Scheduling and What You Plan to Do With the Results

Timing matters more than most homeowners realize, and it affects which level makes the most sense as a starting point.

If you're scheduling in September or October before heating season, a Level I is reasonable if you have a well-documented inspection history and nothing has changed. We'll assess for creosote buildup, confirm the damper operates correctly, and clear any animal or debris blockages — common in Salem's tree-lined neighborhoods where starlings and squirrels treat unused flues as real estate from April through August.

If you're scheduling mid-season because something feels off — the draft is weak, you're smelling smoke in rooms adjacent to the chimney, or your CO detector alarmed — you need a Level II immediately, not a sweep. The camera tells you whether it's safe to continue using the fireplace at all.

If you're scheduling for code compliance or insurance documentation purposes, confirm with your insurer what they require. Some homeowner's insurance policies in Massachusetts now require Level II documentation following any chimney-related incident before restoring coverage on the fireplace. A Level I won't satisfy that requirement.

The EPA's Burn Wise program also emphasizes that properly maintained, inspected wood-burning systems are significantly cleaner and safer — relevant context whether your goal is fire prevention, air quality, or both.

For any of these scenarios, reach out to schedule an inspection and we'll help you determine the right level before you commit to a service. Our certified team's background and credentials are available if you want to verify who's coming to your home before we arrive. We also serve neighboring communities including Lynn, Swampscott, and Gloucester with the same Level I and Level II inspection services.

Frequently Asked Questions