A rent vs buy calculator is only as honest as the numbers you give it. Most of them default to national averages for property tax and leave out the costs that are specific to FHA financing: the upfront mortgage insurance premium (UFMIP), the annual mortgage insurance premium (MIP), and the maintenance that renters never pay directly. Skip those inputs and buying looks cheaper than it is.
The short answer to “should I rent or buy with an FHA loan?” depends on your real monthly payment, how long you will stay, and what the same money would do if you rented. Duane Buziak, a licensed mortgage broker who specializes in FHA purchase loans, uses the seven strategies below to make the comparison reflect an actual FHA purchase. Figures are as of October 2026, and every dollar example labeled as an illustration is hypothetical.
1. Build the Buy Side with the Full FHA Payment
Most calculators ask for price, down payment, rate, and term, then show principal and interest. Your real payment is PITI (principal, interest, taxes, insurance) plus FHA mortgage insurance and any HOA dues. Leave out a line and the buy side shrinks while the rent side stays whole.
Consider this illustration. Suppose a $300,000 home with 3.5% down ($10,500), a base loan of $289,500, and UFMIP of 1.75% financed into the loan, for a total of about $294,566. At a hypothetical 6.5% on a 30-year term, principal and interest come to roughly $1,862. Add annual MIP at 0.55% (about $133 a month on the base loan), taxes of about $213 on an assessed value of $300,000 at Henrico’s $0.85 per $100, and $125 for insurance. That totals about $2,333. Drop the MIP line and the calculator shows about $2,200, a gap of roughly $1,590 a year.
To put it into practice:
- Choose a calculator with an FHA or MIP field. If it has none, add MIP manually: annual rate times the loan balance, divided by 12.
- Enter the financed UFMIP in the loan amount, not as cash due at closing.
- Add homeowners insurance and any HOA dues as separate lines.
The common mistake is concluding that buying is far cheaper because MIP never made it into the formula. To check your work, compare the calculator’s total monthly payment with a quoted FHA payment for the same price and rate. They should agree within a small margin, and a larger gap means an input is missing.
2. Enter Your Real Local Property Tax Rate
Many calculators fill in a national average tax rate, and the real figure varies widely by county. Replace the default with the county’s published rate and your monthly number gets much more accurate.
The listed Virginia rates show the effect. Henrico County lists $0.85 per $100 of assessed value (henrico.us), Chesterfield $0.89 (chesterfield.gov/823), and Hanover $0.81 (hanovercounty.gov/386). On an illustrative assessed value of $300,000, Henrico works out to $2,550 a year ($212.50 a month) and Chesterfield to $2,670 ($222.50 a month). The $10 monthly difference is small, but compared against a national default it can shift the result by far more. Stafford County’s rate was changing at the time of writing, so confirm it at staffordcountyva.gov before using it.
Steps to follow:
- Find the current rate on the county’s own page and note the tax year.
- Confirm how the county sets assessed value, since it may not equal your purchase price.
- Enter the annual tax as a dollar figure rather than a percentage if the calculator allows it.
The usual errors are treating the purchase price as the assessed value without checking, and using a rate from a prior year. Your monthly tax should equal the rate times the assessed value, divided by 100, divided by 12. Run that arithmetic by hand once to confirm the calculator did what you expect.
3. Model UFMIP and Annual MIP Separately
The two premiums behave differently, and a calculator that blends them into one percentage hides the difference. UFMIP is 1.75% of the base loan amount, and most buyers finance it, so it adds to the balance and accrues interest. Annual MIP is a recurring charge, billed monthly, with a rate that depends on loan term, loan amount, and loan-to-value (LTV) at origination.
Here is an illustration using the numbers from Strategy 1. Financing $5,066 of UFMIP at a hypothetical 6.5% costs about $32 a month. Over seven years that is roughly $2,200 in interest after accounting for the principal you pay down. Annual MIP on the same loan, at 0.55% of a balance near $289,500, runs about $10,500 over those seven years. The upfront premium is the smaller piece, and the annual premium is the one that moves your break-even.
The 0.55% rate applies to the common case: a 30-year term, a base loan of $726,200 or less, and an LTV above 95% (HUD Handbook 4000.1; Mortgagee Letter 2023-05). Put down more and the tier changes. Check hud.gov for the schedule that applies to you.
Implementation is straightforward: add 1.75% to the base loan, then apply the verified annual rate for your tier. The mistake to avoid is assuming MIP disappears at 20% equity. For FHA loans with an LTV above 90% at origination, annual MIP lasts for the life of the loan, and with 10% or more down it lasts 11 years. Measure the total MIP you will have paid by your expected move or refinance date, and put that figure next to your rent.
4. Add Maintenance, Repairs, and Move-In Costs
Renters pay for none of this directly, so it rarely appears in default calculators. Roofs, water heaters, HVAC systems, and appliances all fail eventually, and the cost lands on the owner.
Run a repair reserve at three levels and watch the break-even year move. A common rule of thumb, not a study, is to budget around 1% of the home’s value per year. On a $300,000 home, try $1,500 (0.5%), $3,000 (1%), and $6,000 (2%) a year. Each step adds $125 to $250 a month to the ownership side, and a higher reserve can push break-even out by a year or more.
The mistake is setting maintenance to zero in the early years because the house is new or recently updated. A newer home still has appliances, landscaping, and surprises, and an older one may need work sooner than you think.
- Set an annual reserve and enter it as a monthly line.
- Add closing costs from a Loan Estimate and the cost of moving.
- Run an appraisal-repair scenario. FHA appraisals require health and safety issues to be fixed, so ask whether the seller will repair, credit, or renegotiate. FHA permits seller concessions up to 6% of the price (HUD Handbook 4000.1), which is one route to the no-out-of-pocket closing options Duane Buziak builds into offers.
Measure the break-even year before and after adding these costs. If it jumps significantly, you need a bigger cash cushion, a longer stay, or both.
5. Compare Against Your Real Rent with Increases
Rent is not wasted money, and ownership is not automatically an investment. Both sides need honest inputs. Holding rent flat for a decade is the most common way a calculator tilts toward renting.
Consider this illustration: $1,800 a month, or $21,600 in year one, with increases applied at the start of each following year. Over seven years, cumulative rent is about $151,200 at 0% increases, about $165,500 at 3%, and about $175,900 at 5%. The spread between the flat and 5% scenarios is over $24,000, which is enough to change the answer.
Opportunity cost belongs on the renting side as well. That means what your down payment and closing funds could earn if invested instead of used to buy. Many calculators include an investment-return field, and it is fair to use it with a conservative number.
To set this up:
- Enter your current rent, then add renter’s insurance and any utilities that would change.
- Run at least three increase scenarios, such as 0%, 3%, and 5%.
- Use the same stay length on both sides.
The number to compare is cumulative rent against cumulative net ownership cost at your intended stay length. Net means payments plus maintenance minus the equity you build and any appreciation, before selling costs.
6. Test Your Time Horizon and Break-Even Point
Break-even is the year when owning has cost you less than renting would have. Buying has high upfront costs and selling has its own costs, so a short stay can favor renting even when the monthly payment looks close to rent.
Build a grid. Using an illustrative $300,000 home, run stays of 3, 5, 7, and 10 years against appreciation of 0%, 2%, and 4% a year. After ten years, the home would be worth $300,000, about $365,700, or about $444,100 in those three cases. That is a large swing, and it is why one appreciation number cannot carry your decision. Flat or falling prices are possible, so include the 0% column.
Implementation steps:
- Choose a calculator that shows results year by year.
- Include selling costs, such as agent commissions and closing costs, in each exit year.
- Note that an FHA loan can be refinanced later, including through an FHA streamline refinance, which may lower the rate if conditions improve. Treat that as an option and do not build it into the base case.
The mistake is relying on one optimistic appreciation figure. Record the break-even year for each cell in the grid and count how many scenarios favor buying. If buying wins only at 4% and a 10-year stay, that is a different message than winning in most cells. The CFPB’s Owning a Home tools are a neutral place to check your assumptions.
7. Check the Result Against Your Credit Tier and a Personalized Quote
Generic assumptions end here. FHA allows 3.5% down with a credit score of 580 or higher, and 10% down for scores from 500 to 579 (HUD Handbook 4000.1, fha.gov). Your tier affects the rate, the available lender options, and sometimes the down payment, so it changes the payment you should be entering.
An illustration shows the stakes. On the $294,566 loan from earlier, a hypothetical rate of 6.5% gives principal and interest near $1,862. At 7.0% it is near $1,960, about $98 more a month, or roughly $1,180 a year. That is enough to move the break-even later, and that is why a rate pulled from an advertisement can mislead. The lowest advertised rate often assumes a higher score or discount points that you have not priced in.
Also confirm the loan limit. For 2026 the FHA floor is $541,287 and the ceiling is $1,249,125 (HUD Mortgagee Letter 2025-23, as of October 2026, hud.gov). Check your county before you model a price near either end.
Duane Buziak is a mortgage broker with access to 500+ wholesale lenders, and he checks your tier with a NoTouch Credit Pull, a soft pull with no hard inquiry. Because FHA is the program he specializes in, the quote he builds is the one to rerun through the calculator. His Dare to Compare pricing challenge lets you test the quote against other offers you have in hand.
FHA stands out for buyers with limited savings or a developing credit history. It accepts a 580 score at 3.5% down, permits gift funds for the down payment, and allows seller concessions up to 6%. Run your numbers through these steps, then compare the calculator’s payment with the payment on an actual Loan Estimate. The two should match closely, and your final break-even year should come from the real quote.
Questions buyers ask about FHA rent vs buy math
Is a rent vs buy calculator accurate for FHA loans?
Only if you enter FHA costs yourself. Many calculators omit UFMIP and annual MIP and use national tax averages, which makes buying look cheaper.
What is UFMIP?
The upfront mortgage insurance premium is 1.75% of the base loan amount. Most borrowers finance it into the loan.
How much is annual MIP?
It depends on term, loan amount, and LTV. The common tier for a 30-year loan of $726,200 or less with an LTV above 95% is 0.55%, per HUD Mortgagee Letter 2023-05.
Does MIP go away at 20% equity?
Not on FHA loans with an LTV above 90% at origination. It lasts for the life of the loan. With 10% or more down, it lasts 11 years.
What is the minimum credit score for an FHA loan?
A score of 580 qualifies for 3.5% down. Scores from 500 to 579 require 10% down (HUD Handbook 4000.1).
Will checking my eligibility hurt my credit?
Not with a NoTouch Credit Pull. It is a soft pull with no hard inquiry.
How long should I stay in a home for buying to beat renting?
It varies with your costs, rent growth, and appreciation. Run several stay lengths and look for the break-even year across scenarios.
Is FHA Mortgages by Duane Buziak a legitimate mortgage broker?
Yes. Duane Buziak is a licensed mortgage broker, NMLS #1110647 (Co. NMLS #376205), licensed in VA, FL, TN, GA, and DC. He is a broker, not a lender.
Where to Start and How to Finish with a Real FHA Quote
Start with strategies 1 through 3. They give you an accurate monthly buy number: full payment, local tax, and both premiums modeled correctly. Then layer in strategies 4 through 6, which add maintenance, realistic rent growth, and a grid of stay lengths. Finish with strategy 7, because the last gap between a calculator and reality is your own credit tier and rate.
Ready to take the first step toward homeownership with an FHA loan tailored to your needs? Schedule your free consultation today and discover how our award-winning team can help you navigate the path to your new home with competitive rates and expert guidance. FHA Mortgages by Duane Buziak shops 500+ wholesale lenders, offers no-out-of-pocket closing options, and will run a NoTouch Credit Pull so your score stays untouched. Call 804-212-8663 or visit 4860 Cox Rd, Glen Allen, VA 23060. Coast2Coast Mortgage LLC, NMLS #1110647, is licensed in VA, FL, TN, GA, and DC.
