The 1% Rule for Rental Properties: Quick Deal Analysis

What Is the 1% Rule?

The 1% rule is a quick-and-dirty screening tool used by rental property investors to evaluate whether a property might generate adequate cash flow. The rule states that a property's monthly rent should be at least 1% of its purchase price.

Formula: Monthly Rent >= 1% x Purchase Price.

For a $200,000 property, the 1% rule suggests you should be able to charge at least $2,000 per month in rent. For a $150,000 property, the target is $1,500/month.

This rule is NOT a substitute for detailed analysis. It is a quick filter to determine whether a deal is worth investigating further. If a property clearly fails the 1% rule, it is unlikely to cash flow well under traditional financing.

The 2% Rule and the 50% Rule

The 1% rule has two common companion rules:

The 2% Rule: Monthly rent should be at least 2% of the purchase price. A $100,000 property should rent for $2,000/month. This is an aggressive target that is only achievable in certain markets and typically indicates higher-risk neighborhoods or properties needing significant work.

The 50% Rule: Half of your gross rental income will go to operating expenses (not including mortgage). So if you collect $2,000/month in rent, expect $1,000/month in expenses. This leaves $1,000 to cover your mortgage payment with any remainder being cash flow.

Using rules together:

• Property price: $150,000
• 1% rule rent target: $1,500/month
• 50% rule expenses: $750/month
• Remaining for mortgage + cash flow: $750/month
• Typical mortgage (25% down, 7%): ~$685/month
• Estimated cash flow: $65/month

This quick analysis (done in 30 seconds) tells you the deal is marginal but might work. Now you know whether to spend time doing detailed analysis.

Where the 1% Rule Works and Does Not Work

The 1% rule is market-dependent. It works well in some areas and is completely unrealistic in others.

Markets where 1% is achievable:

• Midwest cities (Cleveland, Detroit, Indianapolis, Kansas City)
• Parts of the South (Memphis, Birmingham, Little Rock)
• Smaller college towns
• Properties in C and D neighborhoods

Markets where 1% is nearly impossible:

• Coastal California (0.3-0.5% is typical)
• New York City metro area
• Pacific Northwest (Seattle, Portland)
• Austin, Denver, and other hot markets

In expensive markets, investors often accept 0.5-0.7% ratios and rely more heavily on appreciation for returns. In these markets, using the 1% rule as a strict filter would eliminate every potential deal.

The rule also fails to account for property taxes (which vary enormously by state), insurance costs, HOA fees, or the age and condition of the property. A property meeting the 1% rule in a high-tax state like New Jersey might cash flow worse than a 0.8% property in a low-tax state like Tennessee.

Using the 1% Rule in Practice

Smart investors use the 1% rule as the first of several filters, not the only filter.

Screening workflow:

1. Quick 1% rule check (eliminates ~70% of listings)
2. Neighborhood quality check (crime, schools, employment)
3. Rough expense estimate using the 50% rule
4. If it passes all three, run a full analysis with actual numbers
5. Tour the property and get inspection if numbers still work

When to bend the rule:

• Properties in appreciating markets (accept 0.7-0.8%)
• Properties where you can add value (under-rented, needs cosmetic work)
• House hacks where you live in one unit (FHA financing changes the math)
• Markets where 1% properties only exist in high-risk areas

When to insist on the rule:

• Pure cash flow investing (retirement income strategy)
• Out-of-state investing where appreciation is less certain
• Higher interest rate environments where margins are thin

Remember, the 1% rule was popularized when interest rates were 4-5%. At 7%+ rates, even properties meeting the 1% rule may produce thin cash flow margins.