Monthly vs Annual Fire Extinguisher Inspections (NFPA 10)

Understanding the difference between monthly and annual fire extinguisher inspections is critical for building owners, facility managers, and fire protection contractors. They serve different purposes, are performed by different people, and have different legal weight. Here's everything you need to know.

In this guide

→ Side-by-side comparison table
→ Monthly visual inspections — what, who, and how to document
→ Annual maintenance — the certified technician's checklist
→ Legal and insurance implications of each
→ What each inspection costs and who pays
→ Documentation requirements compared

Side-by-Side: Monthly vs Annual

Factor	Monthly Inspection	Annual Inspection
NFPA 10 reference	§7.2	§7.3
Frequency	Every 30 days	Every 12 months
Who performs it	Building owner, staff, or designated employee — no certification required	Certified fire extinguisher technician — certification required
What's checked	Location, accessibility, gauge, tamper seal, physical damage, legibility of label	All monthly checks PLUS weight verification, hose/nozzle inspection, hydro date check, bracket security, hazard class match
Extinguisher off wall?	No — stays mounted	Yes — removed for full hands-on inspection
Time per extinguisher	30 seconds — 1 minute	2–5 minutes per extinguisher
Documentation	Initials and date on tag, or electronic log entry	Complete annual maintenance tag: date, company name, technician ID, extinguisher info
What fire marshals check	Sometimes — they may spot-check monthly log completeness	Always — the annual tag is the primary compliance document
Insurance relevance	Supporting evidence of diligence	Primary evidence of compliance — insurers require current annual tags
Failure consequence	Fire marshal may note deficiency; can be corrected immediately	Out-of-compliance citation, potential fines, insurance coverage gap

Monthly Visual Inspection — In Detail

Who does it: Building owner, maintenance staff, or a designated employee. No certification is required. This is a DIY inspection that anyone can perform with basic training.

The 7-point monthly checklist (NFPA 10 §7.2):

Location check: Is the extinguisher in its designated place? Has it been moved?
Access check: Is the path to the extinguisher clear? No boxes, furniture, or equipment blocking it?
Gauge check: Is the pressure needle in the green (operable) zone? For CO2 extinguishers (no gauge), check the weight by gently lifting.
Tamper seal: Is the safety pin in place? Is the tamper seal intact? If the seal is broken, the extinguisher may have been partially discharged or tampered with.
Physical damage: Any dents, rust, corrosion, or chemical residue on the cylinder? Is the nozzle clogged or cracked?
Label legibility: Can you read the operating instructions on the nameplate? Is it facing outward?
Mounting bracket: Is the bracket secure to the wall? No loose screws or sagging?

How to document: Record your initials and the date on the paper tag attached to the extinguisher, or log it electronically. If using a paper tag template, our free printable inspection tags include space for 12 monthly entries plus the annual record.

Who can do monthly inspections? The building owner, a designated maintenance employee, or any trained staff member. You do not need a fire extinguisher certification to perform a monthly visual inspection. It is a visual walk-by check, not a hands-on technical inspection.

Annual Maintenance Inspection — In Detail

Who does it: Only a certified fire extinguisher technician. This is where your fire protection company adds value — the annual inspection requires technical knowledge, certification, and proper documentation.

The annual maintenance checklist (NFPA 10 §7.3):

All monthly checks (7-point visual inspection, listed above)
Remove from bracket: Remove the extinguisher from its wall bracket or cabinet for full hands-on examination
Weight verification: Weigh the extinguisher and compare against the stamped weight on the nameplate. Any loss over 10% requires recharging
Date of manufacture check: Confirm the extinguisher is within its service life and determine 6-year and 12-year service windows
Hydrostatic test date: Check the last hydro date stamped on the cylinder. CO2: ≤5 years. Dry chemical: ≤12 years. If expired, the extinguisher must be removed from service immediately
Hose and nozzle: Inspect for cracks, dry rot, blockages, or damage. Remove any debris from the nozzle opening
Valve and discharge lever: Verify smooth operation, no sticking or corrosion on the valve stem
Hazard class match: Confirm the extinguisher type (ABC, CO2, Class K, etc.) matches the fire hazards in the protected area per NFPA 10 §5.4
Mounting bracket condition: Verify bracket is secure, corrosion-free, at the correct height (top ≤5 ft for ≤40 lb units, top ≤3.5 ft for >40 lb units)
New tag: Attach a new annual maintenance tag with company name, technician ID, date of service, extinguisher type, and next service due date

The annual maintenance tag is the document that fire marshals and insurance inspectors look for. Without a current annual tag, the building is out of compliance — regardless of whether monthly checks have been done.

Legal and Insurance Implications

Monthly inspections: The building owner is responsible. If monthly checks aren't documented and an extinguisher fails during an emergency, the owner may face negligence claims. Monthly inspection records serve as evidence that the owner exercised reasonable care.

Annual inspections: Both the building owner and the contractor share responsibility. The contractor must perform the inspection to NFPA 10 standards. If the contractor incorrectly passes a defective extinguisher and it fails during a fire, the contractor carries professional liability. This is why certified fire protection contractors carry E&O (Errors and Omissions) insurance and maintain technician certification records.

Important: Annual does not replace monthly

Some building owners mistakenly believe the annual inspection covers the monthly requirement. It does not. Monthly and annual are cumulative requirements — both must be performed on schedule. The fire marshal will check for both during an inspection.

What Each Inspection Costs

For building owners budgeting fire extinguisher maintenance, and for contractors setting their rates:

Inspection Type	Typical Rate (Per Unit)	Typical Visit Minimum	Who Pays
Monthly visual	$3–$10/extinguisher	$50–$150	Building owner (or in-house)
Annual maintenance	$15–$40/extinguisher	$100–$250	Building owner (hires contractor)

For detailed pricing guidance including regional variations, see our complete fire extinguisher inspection cost guide.

Documentation Requirements Compared

Monthly documentation is minimal — initials and a date. Annual documentation is comprehensive and must include, per NFPA 10 §7.3.3:

Month and year the maintenance was performed
Name of the person or company performing the work
Identification of the extinguisher serviced (location, type, or serial number)

Many contractors are now using digital documentation instead of paper tags. FireInspected's annual inspection workflow auto-generates a complete digital record with all required fields — ready for AHJ review, insurance audits, and CFD electronic filing where required.

How FireInspected handles both inspection types

FireInspected includes separate workflows optimized for each inspection type:

Monthly form: 7 quick fields, 30-second completion on your phone, auto-logged with date and technician. Perfect for building owners or technician route inspections.
Annual form: 20+ fields covering every NFPA 10 §7.3 requirement — weight check, hydro date verification, hazard class match, bracket inspection, and full documentation. Auto-generates a professional PDF report your customer files with their insurance.

For the complete NFPA 10 inspection requirements, see our NFPA 10 inspection requirements guide.

TL;DR - Key Takeaways