Landautomate

The Oklahoma landlord calendar

Landautomate keeps an operating calendar for independent landlords: what needs doing on a rental, when it is due, and why. This page is the Oklahoma content from our reviewed rule base. Every item below carries its sources and the date we last checked them.

What Landautomate does with this page

This guide is the reading version of our Oklahoma rule base. In the app, the same rules become dated tasks on each of your Oklahoma properties, timed to your purchase date, lease dates, property age, and climate, with an email before each one is due. The free preview shows a sample of that schedule for Oklahoma in under a minute, no account needed.

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Oklahoma compliance obligations

Oklahoma landlords commonly track 5 state and local compliance obligations, each listed below with its schedule, its sources, and the date we last verified it. Among them: file Oklahoma LLC annual certificate by formation anniversary, pay property tax (full or first half) by December 31, and pay second-half property tax by March 31.

File Oklahoma LLC annual certificate by formation anniversary

If the property is held in an LLC, including an out-of-state LLC registered in Oklahoma, its $25 annual certificate is due to the Oklahoma Secretary of State each year on the anniversary of its Oklahoma filing, and a certificate more than 60 days late costs the LLC its good standing and bars it from bringing any case in an Oklahoma court, such as an eviction, until it is reinstated.

On a recurring schedule · Last verified September 2026 · source 1 · source 2 · source 3

Pay property tax (full or first half) by December 31

Oklahoma property tax bills are due November 1, and unless at least half is paid by December 31 the whole year's tax becomes delinquent on January 1 and accrues interest of 1.5% per month, so paying in full or paying the first half by December 31 (with the second half due by March 31) avoids that interest.

Each year around December 31 · Last verified September 2026 · source 1 · source 2 · source 3

Pay second-half property tax by March 31

If you paid only the first half of your Oklahoma property tax by December 31, the second half must be paid by March 31, or it becomes delinquent on April 1 and accrues interest of 1.5% per month.

Each year around March 31 · Last verified September 2026 · source 1 · source 2 · source 3

Return security deposit with itemized statement within 45 days of written demand

Oklahoma law (41 O.S. 115) requires returning the deposit balance within 45 days after the tenancy ends, possession is delivered, and the tenant makes a written demand, with any deductions itemized in a written statement mailed with return receipt requested or delivered to the tenant in person, and if the landlord does not comply, the tenant may recover the deposit.

On a recurring schedule · Last verified September 2026 · source 1

Show tenants how to test smoke detectors and confirm they work

Oklahoma requires every residential landlord to explain to the tenant how to test the smoke detectors (checking that they keep working is then the tenant's job) and requires owners of apartment houses and rooming houses to install detectors to the State Fire Marshal's adopted standards, so a documented walkthrough with each new tenant and a check that every detector works keeps occupants protected and shows the duty was met.

On a recurring schedule · Last verified September 2026 · source 1 · source 2

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Seasonal maintenance for Oklahoma

Landlords in Oklahoma plan upkeep around a hot climate: this guide lists 8 seasonal maintenance items for Oklahoma in calendar order, each with its timing and the date we last verified it. Among them: prepare property for tornado season before April, smoke and CO detector seasonal test, and AC service before summer heat.

Prepare property for tornado season before April

About three of every four Oklahoma tornadoes strike in April, May, or June, with May the peak month, so trimming limbs away from the house, securing loose gutters and outdoor items, and choosing the safest shelter spot in early March limits storm damage and lets everyone in the home take cover quickly when a warning comes.

Each year around March · Last verified September 2026 · source 1 · source 2 · source 3

Smoke and CO detector seasonal test

An annual full test of smoke and CO detectors (beyond battery swaps) confirms every alarm actually sounds.

Around March · Verified before August 2026

AC service before summer heat

Servicing air conditioning before peak heat avoids outages when systems are under maximum load.

Around April · Verified before August 2026

Inspect roof for hail and wind damage after storm season peak

Spring is Oklahoma's main season for very large hail and damaging winds, so a June roof check for bruised or missing shingles, damaged flashing, and sun-worn seals documents storm damage while it is fresh for an insurance claim and catches weak spots before summer storms turn them into leaks.

Each year around June · Last verified September 2026 · source 1 · source 2 · source 3

Irrigation and drought readiness check

Verifying irrigation and drought restrictions protects landscaping and avoids utility fines in dry months.

Around June · Verified before August 2026

Check heating system before winter

Oklahoma's first fall freeze arrives on average from about October 15 in the western Panhandle to about November 10 along the Red River, so an October check of the furnace or heat pump, including gas connections and the heat exchanger, confirms safe, working heat before the first cold nights and avoids emergency service calls.

Each year around October · Last verified September 2026 · source 1 · source 2 · source 3

Winterize pipes and irrigation before the first fall freeze

Oklahoma's first fall freeze arrives on average in mid to late October in the Panhandle and across the north and in early to mid-November across central and southern Oklahoma, so draining irrigation lines and insulating exposed pipes in October, before the first freeze where the property sits, prevents cracked sprinkler parts and burst pipes.

Each year around October · Last verified September 2026 · source 1 · source 2 · source 3

Prepare for ice storms: have limbs cut back from roof and service line

Oklahoma's damaging ice storms mostly strike from late November through February, and the historic October 2020 storm showed one can arrive early, so having dead and overhanging limbs cut back from the roof, and from the service line by a qualified tree crew, before winter prevents roof damage and outages.

Each year around November · Last verified September 2026 · source 1 · source 2 · source 3

Baseline upkeep for every rental

Every rental needs the same baseline care regardless of state: this guide tracks 16 recurring upkeep items, each with its schedule and the date we last verified it. Among them: CPA tax document preparation, gutter inspection, and HVAC filter replacement.

CPA tax document preparation

Organized records make tax filing accurate and deductions defensible.

Within 365 days of the triggering event · Verified before August 2026

Gutter inspection

Clear gutters prevent water intrusion, foundation, and roof damage.

Within 90 days of the triggering event · Verified before August 2026

HVAC filter replacement

Clean filters protect HVAC equipment and keep energy costs down.

Within 90 days of the triggering event · Verified before August 2026

Insurance renewal review

Confirms coverage limits and premiums still match the property risk.

Within 365 days of the triggering event · Verified before August 2026

LLC annual filing prep

Keeps the ownership entity in good standing with state filings.

Within 365 days of the triggering event · Verified before August 2026

Lease renewal planning

Planning renewals ahead of time reduces vacancy and turnover costs.

Within 365 days of the triggering event · Verified before August 2026

Maintenance review

Keeps small maintenance issues from turning into expensive repairs.

Within 30 days of the triggering event · Verified before August 2026

Owner distribution check

Verifies owner cash distributions reconcile with rent and expenses.

Within 30 days of the triggering event · Verified before August 2026

Pest inspection

Early pest detection prevents structural damage and habitability complaints.

Within 90 days of the triggering event · Verified before August 2026

Property tax review

Reviewing assessments can surface appeal opportunities and budget changes.

Within 365 days of the triggering event · Verified before August 2026

Rent collection review

Confirms rent was received on time and surfaces collection issues early.

Within 30 days of the triggering event · Verified before August 2026

Rent increase review

Keeps rent aligned with market rates and local rent regulations.

Within 365 days of the triggering event · Verified before August 2026

Smoke detector battery check

Working smoke and CO detectors are a life-safety and legal requirement.

Within 90 days of the triggering event · Verified before August 2026

Utilities minimal-service verification

Confirms vacant-property utilities stay at minimal service so pipes, alarms, and sump pumps keep working.

Within 14 days of the triggering event · Verified before August 2026

Utility reconciliation

Catches billing errors and unexpected usage spikes on property utilities.

Within 30 days of the triggering event · Verified before August 2026

Vacant property security check

Regular walkthroughs of a vacant property deter break-ins, squatting, and unnoticed damage.

Within 30 days of the triggering event · Verified before August 2026

Common questions

What are the compliance requirements for Oklahoma landlords?

Our reviewed rule base currently lists 5 state and local compliance obligations that Oklahoma landlords commonly track. Among them: file Oklahoma LLC annual certificate by formation anniversary, pay property tax (full or first half) by December 31, and pay second-half property tax by March 31. Each obligation shows its schedule, the sources it was checked against, and the date we last verified it. This guide is general information for planning reminders, not legal advice.

What seasonal maintenance should Oklahoma landlords plan for?

The Oklahoma guide lists 8 seasonal maintenance items timed to a hot climate, in calendar order. Among them: prepare property for tornado season before April, smoke and CO detector seasonal test, and AC service before summer heat. Landautomate turns each item into a dated reminder on your property calendar so the work is planned before the season arrives.

What routine upkeep should every Oklahoma rental get?

Alongside state specific work, the Oklahoma guide tracks 16 baseline upkeep items that apply to nearly every rental. Among them: CPA tax document preparation, gutter inspection, and HVAC filter replacement. These recur on a regular schedule, and Landautomate schedules each one automatically for every property you add.

How does Landautomate verify Oklahoma landlord rules?

Every rule in the Oklahoma guide goes through human review before it is published, and each rule shows the date we last verified it. Each compliance obligation links the primary sources it was checked against. Laws and deadlines change, so if you believe something here is outdated or incorrect, contact us at support@landautomate.com and we will review it promptly.

See this calendar built for your own property

The free preview takes your state and property facts and shows the schedule Landautomate would run for you, no account needed. Every new account starts with a 30-day free Pro trial, no card required.

Try the free preview Start free