Quick answer: At today’s average rates, a full new-build payment in San Antonio usually costs more each month than the city’s median rent. It’s often more than $2,000 once you add taxes and insurance. A builder’s below-market rate can narrow the gap by a few hundred dollars a month. Whether buying makes sense depends on your price, loan type, and how long you’ll stay, not on a single rate headline.
- Median gross rent, San Antonio: $1,324 a month (Census ACS 2020–2024).
- 30-year fixed average: 7.11% on November 12, 2026 (Freddie Mac PMMS), down from 7.18% the week before.
- Principal and interest on a $300,000 loan: about $2,018 a month at 7.11%, or about $1,701 at a 5.49% builder rate.
Brock Bremmer | U.S. Air Force Reserve Veteran | Real Estate Agent | eXp Realty | San Antonio Metro Area
New Construction and Home Financing Specialist
Also see: Why New-Build Payments Rise After Year One | Quick Move-In vs. Building | First-Time Buyer Guide
What Does Rent Cost in San Antonio Compared With a Mortgage?
The Census Bureau’s American Community Survey puts San Antonio’s median gross rent at $1,324 a month (2020–2024 estimates). Gross rent includes utilities the renter pays. The same survey puts median monthly owner costs for homes with a mortgage at $1,801. That owner figure mixes in older loans at lower rates and older homes at lower prices, so it understates what a new purchase costs today. It’s a fair starting benchmark, but don’t treat it as a quote.
What Would a New-Build Payment Look Like at Current Rates?
Freddie Mac’s Primary Mortgage Market Survey put the 30-year fixed average at 7.11% on November 12, 2026. That’s a national average, so your own quote will depend on credit, loan type, down payment, and points. Here’s principal and interest only on three loan amounts, at that average and at one builder’s advertised rate:
| Loan amount | P&I at 7.11% | P&I at 5.49% | Monthly difference |
| $250,000 | $1,682 | $1,418 | $264 |
| $300,000 | $2,018 | $1,701 | $317 |
| $306,450 (a $300,000 VA purchase with the 2.15% first-use funding fee financed) | $2,062 | $1,738 | $323 |
The 5.49% column uses the rate Perry Homes advertised on November 12, 2026 at Legacy at Lake Dunlap (“as low as 5.49%, 6.278% APR”). The APR is higher because buying a rate down has a cost. Your figures will differ. My video Why a $400K Home Can Be CHEAPER Than a $360K Home in San Antonio shows how a builder incentive can make a higher price cost less per month.
What Costs Do Owners Pay That Rent Usually Covers?
- Property taxes: Here’s one worked example. A $300,000 home inside San Antonio city limits in Northside ISD carries 2026 rates totaling about $2.33 per $100 (Bexar County’s official rate list). With only the $140,000 school homestead exemption, that’s about $5,583 a year, or $465 a month. Rates and exemptions vary by city, school district, and special district, so check your exact parcel.
- Homeowners insurance: Get real quotes for the specific address. Premiums vary too much to estimate fairly here.
- HOA dues and special districts: Most new-build communities have an HOA, and some add a PID, MUD, or SID tax. See PID, MUD, and SID taxes.
- Mortgage insurance or funding fee: This depends on the loan type and your down payment.
- Maintenance: A new build comes with a builder warranty, but owners handle upkeep. See what a new-build warranty covers.
Also plan for the first full tax bill. A new build is often taxed on the lot alone in year one, and the payment can rise once the house is on the roll. Here’s why new-build payments go up after year one.
How Do Builder Incentives Change the Math?
Builders often offer a lower rate, closing-cost credits, or flex cash you can use either way. On November 12, 2026, Pulte listed up to $45,000 in flex cash on to-be-built homes at Legacy at Lake Dunlap for agreements accepted through November 30, 2026. Perry listed up to $50,000 in flex cash or a rate as low as 5.49% at the same community. Compare three ways to use the same dollars: rate buydown, closing costs, or price. Most builder rate offers require the builder’s own lender, so get an outside Loan Estimate too. Here’s builder lenders vs. outside lenders. VA buyers can see how builder buydowns work with a VA loan.
How Do You Time a New-Build Purchase Around Your Lease End Date?
- Find your lease end date and notice terms first. Read the renewal, notice-to-vacate, and early-termination sections so you know what moving early or late would cost.
- Pick the home type that fits the date. A finished quick move-in home can often close in weeks. A to-be-built home takes months, and the date can slip. See how long San Antonio builds take and my video Inventory vs To-Be-Built Homes in San Antonio.
- Get pre-approved before you tour, so you know your real payment range.
- Don’t sign a long renewal until you have a contract and a target closing date. Ask what a short-term or month-to-month extension would cost as a backup.
- Budget cash to close: earnest money, an option fee, and closing costs, unless the builder covers them. VA-eligible buyers can often buy with no down payment. See zero-down options in San Antonio.
Frequently Asked Questions
Is it cheaper to rent or buy a new build in San Antonio right now?
Month to month, renting at San Antonio’s $1,324 median gross rent (Census ACS 2020–2024) usually costs less than a full new-build payment at the 7.11% average rate Freddie Mac reported on November 12, 2026. Buying builds equity and locks your principal and interest, and builder rate offers can narrow the gap. Compare your actual quotes.
Should I wait for mortgage rates to drop before buying?
No one can reliably predict rates. Base the decision on a payment you can afford today, how long you plan to stay, and the builder offers available now. If rates fall later, refinancing may be an option, but it has costs and isn’t guaranteed.
Ready to Compare Your Rent With a Real Payment?
Brock Bremmer with eXp Realty is a U.S. Air Force Reserve veteran with 130+ homes sold across the San Antonio metro and an eXp ICON agent (2023–24). He helps buyers compare builder offers, taxes, and timing so their move date and closing date line up.
- 📞 Call or text: 210-501-5088
- 📧 Email: [email protected]
- 📅 Schedule a free consultation
Also see: Cost of living in San Antonio | Homestead exemption on a Bexar County new build | The Texas option period | Income for a VA new build
Sources: U.S. Census Bureau QuickFacts, San Antonio city; Freddie Mac PMMS, November 12, 2026; Bexar County, 2026 Official Tax Rates & Exemptions; VA.gov, Funding fee and closing costs; Perry Homes, Legacy at Lake Dunlap; Pulte, Legacy at Lake Dunlap (accessed November 12, 2026).