CALCMONEY // HOME AFFORDABILITY // MD // GAITHERSBURG
How much house can you afford in Gaithersburg? Based on local median home prices, current MD mortgage rates, and Gaithersburg property tax data.
$550,000
$3,471/mo
$148,747/yr
$311,978
Monthly housing costs of $3,471 represent 43.8% of Gaithersburg's median gross monthly income ($7,917/mo). At 43.8%, median-income buyers in Gaithersburg are significantly stretched — well above the 28% guideline. A larger down payment or higher income is required.
| Median Home Price | $550,000 |
| Down Payment (20%) | $110,000 |
| Loan Amount | $440,000 |
| Monthly PI Payment | $2,898 |
| Monthly Property Tax | $344 |
| Monthly Insurance Est. | $229 |
| Total Monthly PITI | $3,471 |
| Housing Cost % of Income | 43.8% |
| Required Income (28% rule) | $148,747/yr |
| Max Affordable Home | $311,978 |
$19,250
$4,444/mo
Gaithersburg Home Affordability Quick Reference 2026
| Metric | Value | Notes |
|---|---|---|
| Median Home Price | $550,000 | Gaithersburg city median |
| Down Payment (20%) | $110,000 | Conventional loan |
| Monthly PITI | $3,471 | 6.9% rate, 30yr fixed |
| Required Income (28% rule) | $148,747 | Annual gross |
| Max Affordable Home | $311,978 | Based on median income |
| FHA Down (3.5%) | $19,250 | Minimum FHA |
| Housing Cost % of Income | 43.8% | Median income: $95,000/yr |
| Property Tax Rate | 0.75% | $4,125/yr on median home |
Monthly PITI includes principal, interest, property tax, and homeowners insurance. Estimates only.
The median home price in Gaithersburg is $550,000, with a local 30-year mortgage rate of 6.9%. A buyer putting 20% down carries a loan of $440,000, generating a monthly P&I payment of $2,898. Adding property taxes ($344/mo) and homeowners insurance ($229/mo) brings total monthly PITI to $3,471.
Gaithersburg's property tax rate of 0.75% is among the lower rates in the country, which improves overall affordability by keeping total PITI closer to the principal and interest payment alone. On the Gaithersburg median home, that is $344/month, or $4,125 per year.
Maryland levies a state income tax, which affects take-home pay and effective buying power. High-income earners in Gaithersburg should factor state tax liability into their overall housing budget — mortgage interest may be deductible on both federal and state returns.
Using the 28% rule, a household earning Gaithersburg's median income of $95,000/year can afford up to $2,217/month in total housing costs. Based on Gaithersburg's mortgage rate of 6.9% and property tax rate of 0.75%, that translates to a maximum affordable home price of approximately $311,978 with 20% down on a 30-year loan.
To afford the median Gaithersburg home priced at $550,000, you need an annual gross income of approximately $148,747. Total monthly housing costs (principal and interest of $2,898, property taxes of $344, and insurance of $229) come to $3,471/month, which equals 28% of the required income.
At the median home price of $550,000 and median household income of $95,000, the total monthly housing cost of $3,471 represents 43.8% of gross monthly income. This is well above the standard 28% threshold, making Gaithersburg a challenging market for buyers at median income.
A conventional 20% down payment on the median Gaithersburg home of $550,000 is $110,000. An FHA loan requires just 3.5% down — $19,250 — but adds mortgage insurance of roughly $376/month, bringing total FHA payments to $4,444/month.
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