Best Way to Calculate How Much House You Can Afford in 2024

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Written By kevin

A financial strategist with a knack for demystifying taxes and insurance, Kevin distills complex concepts into actionable advice.

Buying a home is an exciting milestone. However, determining your maximum affordable home price is critical for making the best decision and avoiding financial struggles down the road. With housing affordability continuing to pose challenges in 2024 due to high home prices and rising mortgage rates, carefully calculating what you can realistically afford is more important than ever.

This definitive guide outlines the key steps any homebuyer should take to accurately assess their budget, get preapproved, and utilize essential tools to determine the maximum house price that aligns with their financial situation in 2024. Thoroughly following these best practices when crunching the numbers will set you on solid ground for purchasing a home you can comfortably afford.

Assessing Your Current Household Finances

The first step towards determining your affordable housing budget starts with a detailed analysis of your current income and expenses. You need clarity on the monthly funds you have coming in versus what’s going out towards existing obligations.

Specifically, you should:

  • Calculate Your Gross Monthly Household Income: Tally up stable income from all sources such as your salary, bonuses, investment dividends, social security payments, and any other steady cash flow. Be realistic about the income you can depend on.
  • List Out Monthly Debts and Expenses: Document all existing household debts and expenses including car loans, student loans, credit card payments, child support, insurance, healthcare costs, food, gas, and any other regular expenses. This provides your monthly outgoing costs.
  • Use the 28/36 Affordability Rule as a Benchmark: A long-standing guideline is that total housing costs should not exceed 28% of your gross monthly income while total debt payments (including housing) should stay under 36%. This provides an initial baseline for budgeting.

Keeping close tabs on your net income versus fixed costs paints a reliable picture of what you can devote towards housing expenses while still comfortably affording your other financial obligations.

Getting Preapproved for a Mortgage

After assessing your finances, the next key step is getting preapproved for a mortgage from multiple lenders. Preapproval provides you with an official letter indicating the specific loan amount, interest rate, and terms you qualify for based on your financial profile.

  • Compare Rates and Terms from Several Mortgage Lenders: Be sure to get quotes from multiple lenders as rates and fees can vary significantly. Compare interest rates, APR, loan types, down payment requirements, and closing costs.
  • Submit Financial Paperwork for Evaluation: To obtain a preapproval letter, you’ll need to send documents like bank statements, tax returns, pay stubs, and details on assets and debts. The lender verifies you meet credit, income, and down payment standards.
  • Receive Maximum Loan Amount You Can Borrow: The preapproval letter states the maximum home loan amount, rate, term length, and other deal specifics tailored to your situation that you are qualified to borrow.

Securing official preapproval from multiple lenders locks in the rates and terms you qualify for. This allows you to confidently shop knowing your maximum approved loan amount and interest rate.

Determining Your Down Payment Options

In addition to considering the maximum loan amount you can secure, your down payment is a significant factor influencing affordability. Larger down payments allow you to get better interest rates while avoiding private mortgage insurance (PMI).

When determining your down payment capacity, be sure to:

  • Evaluate Potential Down Payment Sources: Common sources include your existing savings, financial gifts from relatives, special mortgage programs, grants, personal loans, and more. Determine if these options apply to boost your down payment abilities.
  • Factor the Down Payment into the Total: Recognize that your down payment directly reduces the loan amount needed. Putting 10% down on a $300,000 home means you only need to finance $270,000. This impacts monthly payments.
  • Aim for 20% to Get the Best Rates: While some loans allow down payments as low as 3%, larger down payments of at least 20% score you better interest rates and eliminate the need for PMI which saves money.

Carefully considering if you can make a larger down payment allows you to reduce the mortgage amount and cost over the long run.

Utilizing Online Affordability Calculators

Now that you have your key financial building blocks of income, debts, credit score, and estimated down payment, online mortgage calculators become an indispensable tool for determining your maximum affordable price point.

These calculators allow you to input your specifics and run various home pricing scenarios to see the impact on your monthly payment across loan amounts, interest rates, terms, taxes, insurance and more.

When using online affordability calculators:

  • Plug in Your Verified Financial Numbers: Pull from your confirmed income, debts, credit score, down payment, and other mortgage qualifying details.
  • Model Different Purchase Prices and Rates: See payment changes when you adjust variables like home price, down payment percentage, interest rate, loan term, property taxes, PMI, HOA fees, etc.
  • Gauge Maximum Affordable Price For Your Situation: Determine the sweet spot purchase price where monthly payments align with your budget and lender preapprovals.

These calculators provide an accurate, real-time assessment tailored to your finances to determine pricing parameters you can truly afford. They also show where you may have wiggle room to expand your price range if certain variables shift.

Researching First-Time Homebuyer Programs

Beyond traditional financing, first-time home buyers should also investigate specialized mortgage and down payment assistance programs available at the federal, state, local, and even employer levels.

These programs are specifically designed to help hopeful buyers tackle upfront barriers making homeownership more affordable by:

  • Offering Lower Interest Rates and Down Payments: Programs like FHA or USDA loans reduce minimum down payments to 3.5%. Various grants provide funds to partially or fully cover down payments.
  • Helping With Closing Costs: First-time buyer programs frequently include lender credits or grants at closing to take this expense off your plate. Closing costs average 2-5% of the total loan amount.

Leveraging these housing programs earmarked for first-time purchasers can potentially put homeownership within closer reach than you may have initially thought. Be sure to see what options are available in your area or through your workplace.

When you’ve used all the tools to calculate your maximum affordable price point, it’s also wise to build in some flexibility around this target number to open more possibilities.

Ways to creatively expand your options include:

  • Getting Preapproved Above Your Limit: It doesn’t hurt to get preapproved for slightly above your ideal price ceiling. This allows you to stretch if you find the perfect home.
  • Looking at Smaller/Fixer-Upper Homes: Considering smaller homes needing renovations in move-in ready areas allows you to get into a neighborhood while tailoring it to your style. Many older homes can also have lower tax rates.
  • Factoring in Longer Commutes: While you may have an ideal location pinned down, remaining open to zip codes farther outside the city center with more reasonably priced homes can vastly expand your prospects.

Pricing out different scenarios around your maximum budget gives you greater adaptability to compete in bidding wars or act quickly when an alluring listing pops up.


Buying a home is a complex financial decision with many cost considerations spanning your income, expenses, mortgage, down payment, taxes, insurance, maintenance and more. But methodically following the best practices outlined here will set you on the soundest path to accurately determine what home price aligns best to your situation in 2024.

These essential steps include:

  • Realistically assessing your household income and current obligations
  • Getting preapproved by multiple lenders for a mortgage amount tailored to your finances
  • Exploring all down payment assistance options to reduce needed financing
  • Utilizing online calculators to model exact payment scenarios across different prices
  • Researching specialized assistance programs for first-time buyers
  • Building in flexibility around your maximum budget

Staying laser focused on what you can truly afford – rather than getting swept up by wishful thinking – will ensure your new home enhances your financial situation rather than causing undue strain. This prevents painful scenarios of being “house poor” or facing foreclosure.

By patiently doing your homework on the front end to determine your affordable price cap before shopping, you can feel confident to take the plunge knowing your new home will provide comfort rather than constant financial stress. Here’s to making 2024 a year of smart, sustainable homeownership!

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