Chimney Inspections Before Buying a Home: What Every Buyer Should Know

When buying a home, many buyers go through a very thorough checklist that often leaves out the chimney. Whether your new home has a wood-burning fireplace or a gas insert, you need to understand the system and know what to look for. 

A chimney can appear in good condition from the outside, but without further evaluation, expensive problems may be hiding. That’s why including a chimney inspection as a home-buying step in your home inspection checklist is a must. 

A damaged chimney can create serious health and fire hazards inside your home. Making sure an inspection is performed could save your family from carbon monoxide poisoning or a fire. 

Chimney Inspection Home Buying Checklist

1. Pre-Inspection 

Before scheduling the chimney inspection, you should: 

a) Confirm that the chimney is not fully covered in the general inspection. Most inspectors only evaluate: 

• The exterior of the chimney from the ground level. 
• The firebox. 
• Visible structural issues. 

Most inspectors do not evaluate the interior of the chimney. This is why bringing in a second inspector is crucial. 

b) Add a level 2 chimney inspection to your home inspection checklist. The level 2 inspection is the standard when going through the home-buying process. 

c) Verify the chimney amount. Some homes have separate chimneys for fireplaces, wood-burning stoves, or furnaces. 

d) Ask for the seller’s records. Request these items: 

• Previous chimney inspection or cleaning reports. 
• History of repairs. 
• Age of the liner. 
• Photos and documentation of past damage. 

2. Understanding Chimney Inspection Levels

Level 1 Inspection: A basic check used for annual maintenance. 

Level 2 Inspection: This is required when buying a home. It includes a video scan of the flue, inspection of the attic, crawl space, and surrounding areas, and an evaluation of the chimney structure. 

Level 3 Inspection: This tier of inspection is only needed if level 2 findings suggest severe internal damage. 

3. Exterior Chimney Checklist.

Make sure the exterior areas are checked during the inspection, and problems like these are addressed: 

a) Chimney leaning or separation. Look for: 

• A chimney pulling away from the home. 
• Gaps in the siding. 
• A visibility leaning or tilt.

b) Condition of masonry or siding. Inspectors look for: 

• Spalling bricks
• Cracked or missing mortar joints
• Deteriorated stone
• Loose bricks

c) The condition of the chimney crown should be crack-free, properly sealed, and diverting water. 

 d) The chimney cap should be installed and in good condition. A missing or damaged chimney cap will allow rain, debris, animals, or sparks to enter or escape improperly. 

4. Interior Fireplace and Firebox Inspection

Your inspector should evaluate these areas inside the home: 

a) Firebox: A cracked, rusted, or missing mortar from the firebox can lead to unsafe burning conditions. 

b) Damper: Ensure the damper opens fully, closes completely, and seals tightly to ensure proper ventilation and energy efficiency. 

c) Creosote: Heavy creosote buildup is a fire hazard. If excessive buildup is noticed, it should be addressed. 

5. Flue and Liner Inspection (Real Estate Chimney Issues)

A level 2 chimney inspection will always include a video scan of the flue. Make sure the inspector evaluates the: 

a) Flue Liner Condition: The most common issues found are cracks, gaps, missing liner sections, erosion, and collapsed tiles. These are major real estate chimney issues and often are expensive. 

b) Venting/Drafting: Smoke should exit correctly out of the chimney and not backdraft into the living area. 

c) Flue: Bird nests, leaves, debris, and creosote all cause buildup in the flue, creating major fire hazards. 

d) Internal Moisture Levels: If rust, staining, or damp odors are noticeable, there may be a moisture issue from a missing cap, cracked crown, or failed flashing. 

6. Structural and Safety Concerns

These are some of the most crucial steps for buyer safety. 

a) Clearances to Combustibles: A chimney must maintain a safe distance from wood framing, insulation, and attic components. Without the proper clearance, a fire hazard is created. 

b) Chimney Foundation Stability: Older homes often have hidden structural problems. Your inspector should check for base cracks, movement, or settling. 

c) Attics and Crawlspaces: Chimneys pass through hidden areas in the attic and crawlspace; each of the areas must be inspected for damage, heat exposure, water staining, and fire hazards. 

7. Water Damage Indicators

Moisture is the number one cause of chimney deterioration. 

a) Look for signs of water in the attic. Mold, rot, or dark stains mean there is a high moisture level. 

b) Water can leak through cracked crowns, damaged flashing, and porous masonry. These issues typically can go unnoticed until significant damage is done. 

c) Rust on the firebox or damper indicates a long-term leak. 

d) A musty odor coming from the chimney often means water penetration. 

8. Code Compliance

Your inspector should confirm that all chimney components are up to standards and codes. 

a) Proper Chimney Height: Too tall a chimney can lead to instability, and too short a chimney creates poor draft. 

b) Correct Liner Type: Modern homes need liners that are compatible with wood-burning appliances, gas inserts, and oil furnaces. 

c) Smoke Shelf and Smoke Chamber: These components should be in top condition. Common issues include gaps, excessive creosote, and improper construction. 

9. Real Estate Negotiation 

After the inspection is complete, you will receive a report where you can then begin a negotiating plan. 

a) Request for the seller to repair issues, especially if they are classified as safety hazards, structural threats, or not in compliance with codes. 

b) Negotiate for a price reduction if the chimney repairs are significant. 

c) Ask for repair credits at closing. This will allow you to choose your contractor and ensure repairs meet your standards. 

d) If the damage is too severe and there is no common ground in negotiating price, it may be best to walk away from the purchase. Long-term repair costs can get expensive, so it may not be worth buying. 

Real Estate Chimney Issues: Valley Chimney

Are you in the home-buying process and need a chimney inspection? Here at Valley Chimney, our team of professionals has you covered! We specialize in all things chimney, whether that be maintenance, an inspection, or cleaning. Contact us today to schedule a chimney inspection so you can have peace of mind when buying your new home!