← The Rentmark Blog

Alaa Kandil

Co-founder of Rentmark

Alaa Kandil is the co-founder of Rentmark, property management software for independent landlords who run their rentals themselves.

At Rentmark, Alaa builds the tools landlords use day to day: rent tracking and receipts, state-aware lease generation, move-in and move-out inspections, maintenance requests and rental accounting.

Every state-specific figure cited in these articles — security deposit caps and return deadlines — comes from a single table, and each one names the statute it comes from so you can check the source yourself.

Alaa is not a lawyer, and nothing on this blog is legal advice. Landlord-tenant law changes, and cities often add rules on top of their state's. When real money or an eviction is at stake, talk to a local attorney.

Guides
Renting Out an ADU or Basement Apartment: Legality, Setup, and Lease Rules for Owner-Occupied Landlords

How to legally rent out an ADU, basement apartment, or in-law suite: permits, egress, utilities, insurance, lease clauses, and taxes for owner-occupied landlords.

September 14, 20269 min read
Compliance
Smoke and Carbon Monoxide Alarm Compliance: A Landlord's Liability Checklist

Smoke and CO alarm rules are where small landlords get hit hardest in court. Here's what to install, how often to test, and how to document it so liability stays off you.

September 13, 20268 min read
Compliance
What to Do When a Tenant Dies: A Landlord's Legal and Practical Guide

A tenant's death raises hard questions about the lease, the unit, and the deposit. Here's exactly what US landlords should do in the first 48 hours and the weeks after.

September 12, 20268 min read
Maintenance
Key Control for Landlords: Rekeying Between Tenants, Smart Locks, and Lost-Key Policies

A practical guide to key control for rental properties: when to rekey between tenants, how to handle lost keys and lockouts, and whether smart locks are worth it.

September 11, 20268 min read
Compliance
Renting to Military Tenants: SCRA Rules, Early Termination, and What Landlords Must Allow

Military tenants can legally break a lease under the SCRA. Here's what qualifies, what notice you must accept, how to handle deposits, and why service members are often great renters.

September 10, 20268 min read
Guides
How to Manage a Rental Property Out of State: The Remote Landlord Playbook

A practical playbook for managing a rental property from another state: local team, remote showings, inspections, compliance, and the systems that keep you out of trouble.

September 9, 20268 min read
Compliance
Squatters, Holdover Tenants, and Unauthorized Occupants: What Landlords Can Actually Do

Someone is living in your rental who shouldn't be. Here's how US landlords legally handle squatters, holdover tenants, and unauthorized occupants — without breaking the law.

September 8, 20269 min read
Compliance
Rental Licenses, Registration, and City Inspections: The Local Rules Landlords Forget

Many US cities require landlords to register rentals, pay a license fee, and pass a code inspection. Here's how to find your rules, pass the first time, and avoid fines.

September 7, 20268 min read
Payments
How to Collect Rent Online: A 2026 Guide for Small Landlords

Checks and cash are slow, risky, and hard to track. Here's how independent US landlords collect rent online in 2026 — comparing ACH, Zelle, cards, and autopay — plus how to enforce late fees, keep clean records for taxes, and get paid on time, every time.

September 7, 20268 min read
Screening
How to Screen a Tenant the Right Way (Without Getting Sued)

A credit score isn't enough. Here's the complete, step-by-step tenant screening process US landlords use to find reliable renters — income verification, credit and background checks, eviction history, and reference calls — while staying compliant with the FCRA and fair housing law.

September 7, 20269 min read
Guides
How to Analyze a Rental Property Deal: The Numbers Small Landlords Miss

A practical underwriting guide for small landlords: how to estimate rent, real operating expenses, cap rate, cash-on-cash return, and the hidden costs that sink deals.

September 6, 20268 min read
Maintenance
Winterizing a Rental Property: A Landlord's Cold-Weather Checklist That Prevents Frozen Pipes

A landlord's step-by-step winterization checklist: frozen pipe prevention, heating rules, vacant unit protocols, tenant responsibilities, and what insurers expect.

September 5, 20268 min read
Compliance
Should You Put Your Rental Property in an LLC? A Practical Guide for Small Landlords

Does your rental belong in an LLC? A plain-English guide to liability protection, mortgages, taxes, transfer steps, and when an insurance policy is the smarter move.

September 4, 20269 min read
Leasing
Application Fees, Holding Deposits, and Move-In Money: How to Collect Cash Before the Lease Starts Legally

Application fees, holding deposits, first and last month's rent — here's how US landlords collect pre-move-in money legally, document it, and refund it without disputes.

September 3, 20268 min read
Compliance
Landlord Required Disclosures: The Documents You Must Give Every Tenant at Signing

Lead paint, deposit location, mold, bed bugs, and more — here's the disclosure paperwork US landlords must hand tenants at lease signing, and how to prove you did.

September 2, 20268 min read
Guides
Selling a Rental Property With Tenants in Place: A Landlord's Step-by-Step Guide

Selling a tenant-occupied rental? Learn how leases survive a sale, how to handle showings, estoppel certificates, deposit transfers, and closing without legal blowback.

September 1, 20269 min read
Payments
How to Calculate Prorated Rent (and Handle Partial-Month Move-Ins Without Disputes)

Three prorated rent formulas, worked examples, lease language, and the mistakes that cause disputes when a tenant moves in or out mid-month.

August 31, 20268 min read
Compliance
Security Deposits by State: What US Landlords Must Know in 2026

Return deadlines, allowable deductions, interest rules, itemized statements, and the mistakes that cost landlords the deposit — plus statutory penalties. A plain-English guide to security deposit law in the United States, and how to protect yourself with proper documentation.

August 31, 20268 min read
Maintenance
Mold, Moisture, and Habitability: A Landlord's Response Playbook

A practical playbook for US landlords: how to respond to mold complaints, find the moisture source, document everything, and avoid habitability claims and lawsuits.

August 30, 20269 min read
Leasing
Lease Renewals: How to Lock In a Good Tenant 90 Days Before the Lease Ends

A step-by-step lease renewal timeline for US landlords: when to send the offer, how to price the renewal, what to document, and how to handle a no-answer tenant.

August 29, 20268 min read
Compliance
Lease Violation Notices: How to Write a Cure-or-Quit Letter That Actually Holds Up

How to document lease violations and write a cure-or-quit notice that solves the problem fast — and survives a judge's review if the tenant doesn't comply.

August 28, 20269 min read
Maintenance
How to Vet and Hire Contractors for Your Rental Properties (Without Getting Burned)

A practical guide for US landlords on finding, vetting, pricing, and managing contractors for rental repairs — plus the insurance, W-9, and 1099 paperwork that protects you.

August 27, 20268 min read
Screening
How to Verify Income for Self-Employed and Gig-Economy Renters

Freelancers, 1099 contractors, and gig workers often have no pay stubs. Here's how US landlords verify income fairly, consistently, and without fair housing risk.

August 26, 20268 min read
Compliance
Renting Out a Home in an HOA: Rules, Fines, and Lease Clauses That Keep You Compliant

HOA rules can quietly wreck a rental's cash flow. Here's how landlords read the CC&Rs, handle rental caps and fines, and write lease clauses that pass HOA muster.

August 25, 20269 min read
Compliance
Service Animals and Emotional Support Animals: What Landlords Can (and Can't) Ask

Assistance animals aren't pets. Learn what US landlords may legally ask, which documentation counts, when you can deny a request, and how to document the whole process.

August 24, 20268 min read
Leasing
Utilities in a Rental: Who Pays What, How to Bill Back, and How to Avoid Costly Mistakes

A practical guide to rental utilities: how to decide who pays water, gas, electric and trash, when to bill back with RUBS or submeters, and how to write it into the lease.

August 23, 20268 min read
Compliance
Renting to Section 8 Tenants: How the Housing Choice Voucher Program Actually Works for Small Landlords

A practical guide to the Housing Choice Voucher (Section 8) program for small landlords: payment standards, HQS inspections, HAP contracts, timelines, and real pros and cons.

August 22, 20269 min read
Compliance
Landlord Right of Entry: How to Give Proper Notice and Inspect a Rental Legally

Most states require 24–48 hours' notice before a landlord enters a rental. Here's how to write compliant entry notices, run mid-lease inspections, and avoid harassment claims.

August 21, 20268 min read
Leasing
How to Market a Rental Listing and Fill a Vacancy Fast

A step-by-step marketing playbook for landlords: what a vacant day really costs, how to price and photograph a listing, write compliant ad copy, and convert leads into signed leases.

August 20, 20269 min read
Leasing
Roommates, Sublets, and Airbnb Requests: How Landlords Should Answer "Can Someone Else Move In?"

A practical framework for handling roommate additions, sublets, and short-term rental requests: what to approve, what to deny, and how to document occupancy changes.

August 19, 20268 min read
Maintenance
How to Handle Maintenance Requests Fast: A Landlord's Repair Workflow That Actually Scales

A step-by-step maintenance request workflow for US landlords: intake, triage, vendor dispatch, tenant updates, and documentation that speeds up repairs and cuts costs.

August 18, 20269 min read
Leasing
How to Handle a Tenant Who Wants to Break the Lease Early

A tenant wants out before the lease ends. Here's how US landlords should respond legally: buyouts, re-rent duties, deposit rules, and paperwork that holds up.

August 17, 20268 min read
Leasing
Rent-to-Own Agreements: How They Work, What They Pay, and Where Landlords Get Burned

A practical guide to rent-to-own (lease-option) deals for US landlords: how option fees and rent credits work, the legal traps, and how to structure a contract that holds up.

August 16, 20269 min read
Guides
A First-Time Landlord's Checklist: 12 Steps From Empty Property to Signed Lease

A step-by-step checklist for first-time landlords: legal setup, pricing, listing, screening, lease signing, deposits, and the systems you need before day one.

August 15, 20269 min read
Guides
How to Handle Noise Complaints and Difficult Tenants Without Losing the Building

A practical playbook for US landlords: how to document noise complaints, warn tenants correctly, defuse conflicts between neighbors, and escalate only when it's justified.

August 14, 20268 min read
Accounting
Rental Property Accounting for Small Landlords: A Simple System That Survives Tax Season

A practical rental property accounting system for small US landlords: chart of accounts, bank setup, receipt rules, monthly close, and reports that make tax season boring.

August 12, 20269 min read
Guides
How to Create a Tenant Welcome Packet That Cuts Your Phone Calls in Half

A well-built tenant welcome packet prevents late rent, midnight maintenance calls, and move-out disputes. Here's exactly what to include, section by section.

August 11, 20268 min read
Maintenance
Emergency vs Non-Emergency Repairs: A Landlord's Response Guide

Learn how to triage rental repairs like a pro: what legally counts as an emergency, response time standards by category, and how to document every maintenance request.

August 10, 20268 min read
Compliance
How to Handle Security Deposit Disputes Without Going to Court

A practical playbook for US landlords: how to document damage, write a defensible deductions letter, negotiate, and settle security deposit disputes before small claims court.

August 9, 20268 min read
Screening
How to Screen a Co-Signer or Guarantor (and Make the Guarantee Actually Enforceable)

A practical guide for US landlords on screening co-signers and guarantors, setting income standards, and writing a guaranty agreement that actually holds up.

August 8, 20269 min read
Guides
Rental Turnover Guide: How to Prepare a Property Between Tenants in 7 Days

A day-by-day rental turnover checklist for US landlords: what to inspect, repair, clean, and document between tenants so you re-rent fast without losing money.

August 7, 20268 min read
Compliance
How to Legally Evict a Tenant (and How to Avoid Getting There)

A step-by-step guide to the legal eviction process for US landlords: notices, filings, court, costs, common mistakes — and the cheaper alternatives that work.

August 6, 20269 min read
Compliance
Renters Insurance vs Landlord Insurance: What Every US Landlord Actually Needs

Landlord insurance covers your building and liability; renters insurance covers your tenant's stuff. Here's what each policy pays for, and how to require it in your lease.

August 5, 20268 min read
Leasing
Month-to-Month vs Fixed-Term Leases: Which Is Better for Landlords?

A practical comparison of month-to-month and fixed-term leases for US landlords, including rent pricing, notice rules, turnover costs, and when to switch.

August 4, 20268 min read
Compliance
How to Raise the Rent the Right Way (and Stay Legal)

A practical guide to raising rent legally: notice periods, rent control rules, how much to increase, and scripts that keep good tenants from leaving.

August 3, 20268 min read
Guides
Move-In and Move-Out Inspections: A Step-by-Step Checklist for Landlords

A room-by-room move-in and move-out inspection checklist for US landlords, plus documentation rules that protect your security deposit deductions from disputes.

August 2, 20268 min read
Guides
How to Set the Right Rent Price for Your Property (Without Guessing)

Learn how to price your rental accurately using comps, the 1% rule, and vacancy math—so you maximize income without scaring off good tenants.

August 1, 20268 min read
Guides
How to Handle Abandoned Property Left by a Tenant: A Landlord's Legal Guide

When a tenant leaves belongings behind, you can't just toss them. Here's how US landlords legally store, notify, and dispose of abandoned property without getting sued.

July 31, 20268 min read
Leasing
How to Write a Rock-Solid Residential Lease Agreement

Learn how to write a residential lease agreement that protects your rental property, holds up in court, and prevents disputes. Clauses, mistakes, and a free checklist for US landlords.

July 30, 20268 min read
Leasing
The Pros and Cons of Allowing Pets in a Rental (and How to Do It Profitably)

Should you allow pets in your rental? Here's a data-driven look at the pros, cons, pet fees vs. deposits, legal rules, and how to build a pet policy that protects your property.

July 29, 20268 min read
Payments
How to Handle a Tenant Who Pays Rent Late: A Landlord's Playbook

A practical playbook for US landlords on late rent: grace periods, late fees, legal notices, and communication scripts that get you paid without escalation.

July 28, 20268 min read
Compliance
Understanding Fair Housing Laws: A Compliance Guide for Small Landlords

A plain-English guide to federal Fair Housing laws for US landlords—protected classes, what you can and can't say, and how to avoid costly discrimination claims.

July 27, 20268 min read
Guides
How to Reduce Tenant Turnover and Keep Good Renters Longer

Tenant turnover quietly drains your rental profits. Learn proven, specific strategies to keep good renters happy, renew leases, and cut vacancy costs.

July 26, 20268 min read
Maintenance
Building a Rental Property Maintenance Schedule That Prevents Costly Repairs

A practical seasonal maintenance schedule for landlords that prevents expensive repairs, protects your property value, and keeps tenants happy year-round.

July 25, 20268 min read
Taxes
Landlord Tax Deductions Every Rental Owner Should Know in 2026

A practical guide to the rental property tax deductions US landlords can claim in 2026, from depreciation and repairs to mileage, and how to document each one.

July 25, 20269 min read