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Free tools for real estate investors

Entity costs, tax appeals, and landlord law for property investors.

Real estate investing is a game of basis points and procedures. The investors who outperform are rarely the ones who found the magic market. They are the ones who formed the right entity cheaply, appealed every assessment, financed intelligently, and handled problem tenants by the book instead of by emotion. This page is the procedural toolkit.

Entity structure comes first. Holding properties in an LLC is standard practice for liability protection, but formation and annual costs range from under $100 a year to over $500 depending on the state. The state-by-state comparison shows the full first-year and ongoing costs, which matters when you are deciding whether each property gets its own LLC or the portfolio shares one. Do not form in a random cheap state without understanding foreign registration: operating in your home state usually means registering there anyway.

The highest-ROI habit in this business is appealing assessments annually. Investment properties get reassessed upward on autopilot, and a $50,000 reduction at a 2 percent tax rate is $1,000 a year straight to net operating income, which also lifts the property's appraised value through the income approach. The appeal calculator sizes the prize per property in seconds. Run it on the whole portfolio every assessment cycle.

For financing, the recast calculator deserves a spot in your toolkit: when a property cash-flows better than expected or you sell another asset, dropping a lump sum and recasting the payment improves monthly cash flow without refinancing costs. And for the hard side of landlording, the eviction notice reference and small claims limits cover the legal procedures you need when tenants stop paying. Serve the right notice the first time. Defective notices restart clocks you already waited through.

Annualize the boring work. Appeal every assessment on schedule, review entity costs yearly, rerun financing comparisons when windfalls land. Treat the portfolio to a yearly physical like clockwork. Real estate wealth compounds on maintenance far more than on deal flow, and the investors who calendar the unglamorous tasks quietly outperform the ones chasing the next acquisition.

The tools

Property Tax Appeal Calculator

Estimate savings from appealing your property tax assessment.

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Mortgage Recast Calculator

Compare recasting vs refinancing vs extra payments on your mortgage.

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LLC Cost by State

LLC formation and annual costs compared across all 50 states.

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Eviction Notice Calculator

Notice periods for evictions by state and reason.

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Small Claims Limits

Small claims court dollar limits for all 51 jurisdictions.

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Common questions

Should each rental property have its own LLC?

It depends on your portfolio size and state costs. Separate LLCs isolate liability per property but multiply formation and annual fees. In low-fee states the math favors separation; in high-fee states investors often group properties. Compare your state's full annual costs first.

How often should I appeal property tax assessments?

Every assessment cycle, on every property. Assessments trend upward automatically and appeals succeed often enough that the expected value is strongly positive. A single successful appeal pays you every year until the next reassessment.

What is the correct eviction process?

Serve the legally required notice for your state and situation, wait the full period, then file for eviction if the tenant has not cured or vacated. Never change locks or shut off utilities: self-help evictions create liability that dwarfs the lost rent. Verify notice requirements before acting.

Related use cases

Free tools for landlordsEviction rules, court limits, and property tax savings for landlords.Free tools for small business ownersLLC costs, project margins, and cash flow math for running the shop.Free mortgage toolsEvery mortgage decision that matters, with the math to get it right.Free tools for homeownersMortgage recasts, escrow fixes, tax appeals, and home cost math.