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Fire Extinguishers

Every inspection filed before you leave the site.

Every extinguisher's monthly look, annual maintenance and next hydro test on one board, with the record an OSHA inspector asks for kept a year past its last entry.

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Free tool: six-year cycle

Type
Container
Choose one in each row and the rating appears here.

From 29 CFR 1910.157(e)(4) Portable fire extinguishers (osha.gov), checked Wed, October 28, 2026.

The rules, with where each one came from.

Each date this app counts and each check it runs on a save is listed here with its source and the day we last read it. Where a rule lives in a paid standard, we cite it and keep the same facts in our own layout; we never copy the standard's text or forms.

12

sourced rules in this trade, each read on or after Oct 28, 2026.

Dates it counts

  1. Monthly visual inspection: 1 month from the last inspection.From 29 CFR 1910.157(e)(2) Portable fire extinguishers (osha.gov), checked Oct 28, 2026.
    Rule
  2. Annual maintenance check: 12 months from the last inspection.From 29 CFR 1910.157(e)(3) Portable fire extinguishers (osha.gov), checked Oct 28, 2026.
    Rule
  3. Six-year maintenance: the interval set in six-year cycle (years) from the last six-year maintenance, recharge or hydro test.From 29 CFR 1910.157(e)(4) Portable fire extinguishers (osha.gov), checked Oct 28, 2026.
    Rule
  4. Hydrostatic test: 1 to 12 years, set on each extinguisher as its hydro interval for a type not in table l-1, from the last hydrostatic test.From 29 CFR 1910.157(f)(2) and Table L-1 Portable fire extinguishers (osha.gov), checked Oct 28, 2026. Some records run on a different interval, which the app applies from the record.
    Rule

What it checks when you save

  1. The annual maintenance date is kept for one year after the last entry or the life of the shell, whichever is less. Each entry here is held for one year from its date.From 29 CFR 1910.157(e)(3) Portable fire extinguishers (osha.gov), checked Oct 28, 2026.
    Stops the save
  2. A refillable stored-pressure dry chemical unit with a 12-year hydro is emptied and maintained every six years, so its six-year date is needed to schedule the next one.From 29 CFR 1910.157(e)(4) Portable fire extinguishers (osha.gov), checked Oct 28, 2026.
    Warns on save
  3. Each hydrostatic test leaves a certification record with the test date, the tester's signature and the unit's serial number or other identifier.From 29 CFR 1910.157(f)(16) Portable fire extinguishers (osha.gov), checked Oct 28, 2026.
    For reference
  4. The hydro certification record is kept until the unit's next hydro test or until it leaves service, whichever comes first.From 29 CFR 1910.157(f)(16) Portable fire extinguishers (osha.gov), checked Oct 28, 2026.
    For reference
  5. A unit showing new corrosion or mechanical damage is hydro tested then, whatever its date.From 29 CFR 1910.157(f)(4) Portable fire extinguishers (osha.gov), checked Oct 28, 2026.
    For reference
  6. A shell, cylinder or cartridge that fails its hydro test, or is not fit to test, leaves service and the workplace.From 29 CFR 1910.157(f)(14) Portable fire extinguishers (osha.gov), checked Oct 28, 2026.
    For reference
  7. While a unit is out for maintenance or recharge, equivalent protection stands in its place.From 29 CFR 1910.157(e)(5) Portable fire extinguishers (osha.gov), checked Oct 28, 2026.
    For reference
  8. Fills in Six-year cycle, from type and container.From 29 CFR 1910.157(e)(4) Portable fire extinguishers (osha.gov), checked Oct 28, 2026.
    Computed

Asked, and answered from the rule.

How often must a portable fire extinguisher be inspected and maintained?

  1. Monthly visual inspection: 1 month from the last inspection.From 29 CFR 1910.157(e)(2) Portable fire extinguishers (osha.gov), checked Oct 28, 2026.
  2. Annual maintenance check: 12 months from the last inspection.From 29 CFR 1910.157(e)(3) Portable fire extinguishers (osha.gov), checked Oct 28, 2026.

How long is the annual extinguisher maintenance record kept?

  1. The annual maintenance date is kept for one year after the last entry or the life of the shell, whichever is less. Each entry here is held for one year from its date.From 29 CFR 1910.157(e)(3) Portable fire extinguishers (osha.gov), checked Oct 28, 2026.

When is an extinguisher's hydrostatic test due?

  1. Hydrostatic test: 1 to 12 years, set on each extinguisher as its hydro interval for a type not in table l-1, from the last hydrostatic test.From 29 CFR 1910.157(f)(2) and Table L-1 Portable fire extinguishers (osha.gov), checked Oct 28, 2026.
  2. A unit showing new corrosion or mechanical damage is hydro tested then, whatever its date.From 29 CFR 1910.157(f)(4) Portable fire extinguishers (osha.gov), checked Oct 28, 2026.

Which extinguishers need six-year maintenance?

  1. A refillable stored-pressure dry chemical unit with a 12-year hydro is emptied and maintained every six years, so its six-year date is needed to schedule the next one.From 29 CFR 1910.157(e)(4) Portable fire extinguishers (osha.gov), checked Oct 28, 2026.

When the next one is due.

The same count the app keeps on every record, here without an account.

Free tool: next due date

Enter the date and the next one appears here.

From 29 CFR 1910.157(e)(2) Portable fire extinguishers (osha.gov), checked Wed, October 28, 2026.

What it keeps for you.

Extinguisher

Unit or tag number, Location in building, Type, Container, Rating on the label, and more.

Inspection

Date, Inspected by, Monthly visual inspection done, Annual maintenance check done, Result, and more.

Hydrostatic test record

Date of test, Tested by, Signature of the person who tested, Serial number or other identifier, Test pressure, and more.

What your client receives.

The extinguisher inspection record, as the app issues it the moment the inspection is saved: signed, dated and frozen, with what is next due. This one is filled with invented records so you can read it before you sign up.

Building owners read every report filed to them in one binder, free.

Sample Inspection Co. (fictional) · Fire Extinguishers

Extinguisher inspection record

UN-4100

Extinguisher

Unit or tag number
UN-4100
Location in building
North bay
Type
Stored pressure water or antifreeze
Container
Refillable

and 8 more fields

Inspection

Date
Nov 25, 2025
Inspected by
Avery Lund
Monthly visual inspection done
Yes
Annual maintenance check done
No

and 1 more fields

Monthly

In its assigned place, hung or in its cabinet (fail: missing)Pass
Gauge or indicator shows a full charge (fail: discharged or low)Pass
Nothing stands in front of it and it can be seen (fail: blocked)Pass
Pull pin and tamper seal in placePass
Shell and hose undamaged and dry, nozzle clear (fail: damaged)Pass
Operating instructions face out and can be readPass

and 1 more on the full report

Annual

Shell, valve, hose, nozzle and mounting examinedPass
Charge confirmed by gauge or weight against the nameplatePass
Hydrostatic test date read and still inside its intervalPass
Stored-pressure dry chemical: six-year maintenance date read and inside six yearsPass
New annual tag fitted with the datePass

Readings

Fully charged and operableYesPass
In its designated placeYesPass
Readily accessibleYesPass

Photos

No photos on file.

Findings

No findings on file.

Signature

Not signed in the app; signed on paper if at all.

Next due

Monthly visual inspectionOct 1, 2026Set by rule
Annual maintenance checkSep 1, 2027Set by rule
Hydrostatic testSep 11, 2031Set by rule

A recordkeeping aid. It does not certify compliance and is not legal advice.

Every name, date and number on this sample is invented.

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