Chimney Inspection Levels Explained: Level 1, 2, and 3

Understanding NFPA Inspection Standards

The National Fire Protection Association (NFPA) Standard 211 defines three levels of chimney inspection. Each level provides progressively more detailed evaluation of your chimney system.

Level 1 Inspection

What It Includes

A Level 1 inspection examines readily accessible portions of your chimney:

• Exterior chimney structure
• Interior fireplace and firebox
• Smoke chamber (viewable portions)
• Accessible flue lining
• Damper operation
• Chimney cap and crown (from ground)
• Basic clearance verification

When You Need Level 1

• Annual maintenance inspection
• Continued use with no changes
• No problems or concerns
• Regular seasonal check-up

What Level 1 Costs

Typical range: $100-$250

Often included with chimney sweeping service.

Level 2 Inspection

What It Includes

Everything in Level 1, plus:

• Video camera scanning of entire flue
• Inspection from attic, crawl spaces, basement
• Verification of proper construction
• Examination of all accessible areas
• Detailed documentation with photos/video

When You Need Level 2

• Buying or selling a home
• After a chimney fire
• Changing fuel types (wood to gas, etc.)
• After severe weather (earthquake, hurricane)
• Adding new appliance to existing flue
• Problems discovered during Level 1
• Insurance or real estate requirements

What Level 2 Costs

Typical range: $200-$500

The video inspection provides crucial interior documentation.

Level 3 Inspection

What It Includes

Everything in Levels 1 and 2, plus:

• Removal of chimney components as needed
• Possible demolition to access hidden areas
• Complete structural evaluation
• Examination of concealed spaces
• May require opening walls or removing parts

When You Need Level 3

• Serious hazards suspected
• Problems identified in Level 2 requiring further evaluation
• Evidence of hidden damage
• Complete condition assessment needed
• After major chimney fire with suspected structural damage

What Level 3 Costs

Typical range: $500-$2,000+

Costs vary significantly based on extent of investigation required.

Comparison Chart

Feature

Level 1

Level 2

Level 3

Visual exterior	Yes	Yes	Yes
Firebox inspection	Yes	Yes	Yes
Accessible flue	Yes	Yes	Yes
Video camera scan	No	Yes	Yes
Attic/crawl space	No	Yes	Yes
Component removal	No	No	As needed
Demolition	No	No	As needed
Written report	Basic	Detailed	Comprehensive

Choosing the Right Level

Annual Maintenance

Choose: Level 1

Home Purchase

Choose: Level 2 (protects your investment)

After Chimney Fire

Choose: Level 2, possibly Level 3 if damage suspected

Switching Fuel Types

Choose: Level 2

Suspected Hidden Damage

Choose: Level 3

What to Expect from Your Inspector

A professional inspection should include:

• Thorough examination at the appropriate level
• Clear explanation of findings
• Written report documenting conditions
• Photos or video (especially Level 2)
• Recommendations for any needed repairs
• Answers to your questions

Conclusion

Don't guess which inspection level you need—consult with a CSIA-certified professional. They'll recommend the appropriate level based on your specific situation, ensuring you get the information needed to keep your chimney safe.