New construction is one of the most active segments of San Antonio’s 2026 buyer market — Veramendi in New Braunfels, The Crossvine in Schertz, Sweetwater Farms in Marion, Thornebrook in Bulverde, and active builder communities across Cibolo, Alamo Ranch, and Fair Oaks Ranch are collectively delivering thousands of new homes to buyers who are often making the most financially consequential decision of their lives without fully understanding the financing structure the builder is presenting to them. Builder lenders are not neutral parties. Their incentives are designed to retain the mortgage transaction inside the builder’s ecosystem — and the incentive packages they offer, while sometimes genuinely competitive, come with terms, rate structures, and contract conditions that outside lenders never impose. This guide explains the builder lender vs outside lender comparison in full, so San Antonio new construction buyers can make an informed financing decision rather than defaulting to whichever lender is standing in the model home when they fall in love with a floor plan.
Brock Bremmer | Real Estate Agent | eXp Realty | San Antonio Metro Area
New Construction Buyer Specialist — Full SA Metro
Also see: Best Agent for New Construction | First-Time Buyer Guide
How Builder Lender Incentives Actually Work
Every major San Antonio builder — D.R. Horton, Lennar, Perry Homes, Toll Brothers, Taylor Morrison, Pulte, and others — has a preferred or captive lender. The builder steers buyers toward this lender through incentive packages that can look extremely compelling at the model home presentation:
- Closing cost contributions: $5,000–$15,000 toward closing costs, often presented as “free money” that disappears if you use an outside lender
- Rate buydowns: Temporary 2-1 buydowns (2% below market rate in year one, 1% below in year two, market rate in year three) or permanent rate buydowns funded by the builder through the preferred lender
- Design center credits: $10,000–$30,000 in upgrade allowances at the builder’s design center — appliances, flooring, countertops — tied to preferred lender use
- Extended rate lock: 6–12 month rate locks on new construction timelines where outside lenders typically can’t lock for more than 60–90 days without significant cost
These incentives are real. The question is whether they represent the best total financing outcome — or whether the builder’s preferred lender recoups the incentive cost through a higher interest rate, higher fees, or both.
The Builder Lender Trap — Where Buyers Lose Ground
The core issue with builder lenders is not that they’re dishonest — it’s that their rate and fee structure is often calibrated to recover the cost of the incentive through the loan itself. The math works like this:
Scenario: $350,000 new construction in Schertz
Builder lender offer:
- $10,000 in closing cost credits if you use the preferred lender
- Interest rate: 7.25% on a 30-year fixed
- Monthly P&I: ~$2,388/month
- Total interest over 7-year average ownership: ~$163,000
Outside lender (same buyer, same property):
- No closing cost credit from builder
- Interest rate: 6.75% on a 30-year fixed
- Monthly P&I: ~$2,270/month
- Total interest over 7-year average ownership: ~$152,000
- Difference in monthly payment: ~$118/month
- 7-year difference in total interest: ~$11,000
- Net position after accounting for lost $10,000 credit: outside lender saves approximately $1,000 over 7 years
The key insight: A 0.50% rate difference on a $350,000 loan costs approximately $118/month — $1,416/year — in additional interest. The builder’s $10,000 credit sounds significant but is recovered by the lender in approximately 7 years of higher interest payments. Buyers who plan to own the home for more than 7 years pay more with the builder lender despite the upfront credit. Buyers who plan to sell or refinance within 5 years may come out ahead with the builder’s incentive. The ownership timeline is the deciding variable — and most buyers don’t think about it at the model home.
The 2-1 Buydown — Builder’s Most Effective Sales Tool
The 2-1 temporary rate buydown is currently one of the most popular builder incentive structures in the San Antonio new construction market — and it deserves specific attention because it’s both genuinely valuable and frequently misunderstood:
How a 2-1 buydown works
- Year 1: Rate is 2% below the note rate. On a 6.75% note rate, buyer pays 4.75% in year one — monthly payment approximately $1,825 on $350,000
- Year 2: Rate is 1% below the note rate. Buyer pays 5.75% — monthly payment approximately $2,043
- Year 3 and beyond: Full note rate applies — 6.75%, approximately $2,270/month
- Who funds it: The builder pays a lump sum at closing that covers the difference between the buydown rate and the note rate for years 1 and 2. This cost is typically $8,000–$15,000 depending on loan amount and rate differential
Why buyers need to understand the year 3 payment shock
The 2-1 buydown creates a payment increase of approximately $445/month between year 2 and year 3 on a $350,000 loan. Buyers who budget based on the year-one payment and don’t plan for the year-three adjustment face a genuine cash flow problem when the buydown expires. Every new construction buyer receiving a 2-1 buydown should build the full note-rate payment into their long-term budget from day one — treating the buydown as a short-term bonus rather than a baseline payment expectation.
When the 2-1 buydown is genuinely valuable
For buyers who expect income to increase in years 2–3 (promotions, career advancement, second income returning), the 2-1 buydown provides real early-year affordability that matches their income trajectory. For buyers at stable incomes who need to maximize qualification, the lower year-one payment can improve DTI calculations at some lenders. The buydown is less valuable for buyers whose income is already sufficient for the full note rate payment — in those cases, a permanent rate buydown using the same builder subsidy dollars often produces better long-term economics.
The New Construction Contract Traps Buyers Don’t See Coming
Builder contracts are written by the builder’s legal team — not the buyer’s. Several provisions appear routinely in San Antonio new construction contracts that buyers sign without fully understanding:
- Preferred lender as a condition of incentive: Most builder incentive packages include language making the closing cost credit, design center allowance, or rate buydown conditional on using the preferred lender through closing. Some contracts require preferred lender use as a condition of the purchase itself — not just the incentive. Read every incentive condition carefully before assuming you can switch lenders mid-transaction
- Earnest money non-refundability: Builder contracts typically make earnest money non-refundable after a specified period — often immediately or within 3–10 days of signing. This is fundamentally different from resale contracts where the Option Period provides time to back out with full earnest money refund. Brock reviews every new construction contract with buyers before signing to identify the earnest money forfeiture timeline and any conditions that protect recovery
- Completion timeline provisions: Builder contracts specify estimated completion dates but rarely provide meaningful penalties for delays. A home projected to close in August may close in November — with no financial remedy for the buyer who has already given notice on an apartment or sold a prior home. Buyers with hard deadline requirements (PCS orders, lease expiration) should push for timeline penalty provisions or choose move-in-ready inventory instead of contract builds
- Price escalation clauses: Some builder contracts include material cost escalation clauses that allow the builder to increase the purchase price above the contracted amount if material costs rise during construction. Verify whether your specific builder contract includes this provision and negotiate its removal or cap before signing
- Arbitration requirements: Many builder contracts include mandatory arbitration clauses for dispute resolution — waiving the buyer’s right to jury trial. This is worth knowing before a post-closing dispute arises
The Independent Inspection — Non-Negotiable in New Construction
New construction buyers frequently skip independent inspections because they assume a brand-new home doesn’t have defects. This assumption is wrong — and costly:
- Phase inspections during construction: Pre-pour foundation inspection, pre-drywall inspection (electrical, plumbing, HVAC rough-in visible), and pre-closing final inspection. Each phase catches issues that become inaccessible or extremely expensive to correct after the next construction phase closes over them
- The builder’s quality control walk-through is not your inspection: Builder punch-list walk-throughs identify cosmetic items — paint, trim, fixtures. They do not perform structural, mechanical, or systems-level assessments. A licensed third-party inspector is the only protection for issues the punch-list walk-through doesn’t cover
- New construction defects found by independent inspectors in SA communities: Missing or improperly installed insulation, HVAC duct sealing deficiencies, grading issues that direct water toward the foundation, electrical panel labeling errors, improperly torqued plumbing connections. None of these appear on a builder punch-list — all of them are builder warranty items if caught before closing
- Cost: Full independent inspection on new construction typically runs $400–$600 for a standard size home. Phase inspections add $200–$300 each. This is the least expensive due diligence investment in the entire new construction transaction
The Year-Two Tax Trap — New Construction’s Most Common Budget Surprise
Every new construction buyer in San Antonio needs to understand the year-two property tax adjustment before closing — not after receiving the first full-year tax bill:
- Year one taxes: Assessed on land value only — the completed home has not yet been assessed. On a $350,000 purchase with $60,000 land value, year-one taxes run approximately $1,200–$1,800 annually depending on county
- Year two taxes: Full improved value assessed for the first time — $350,000 at the applicable county rate. In Bexar County at 2.3%, that’s approximately $8,050 annually — a $6,250–$6,850 increase over the year-one bill
- Escrow shortage in year two: Lenders establish escrow accounts based on year-one taxes. When year-two taxes arrive, the escrow account is dramatically underfunded. The resulting shortage notice requires either a lump-sum payment to catch up or a significant increase in monthly escrow going forward
- The right approach: Ask your lender to calculate the estimated year-two tax bill using the full purchase price at the applicable county rate before closing — and establish your escrow account based on that estimate rather than year-one land-only taxes. The slightly higher monthly payment in year one eliminates the year-two shortage shock
This applies in every San Antonio new construction community — Veramendi, The Crossvine, Sweetwater Farms, Thornebrook, Esperanza, Johnson Ranch, and every other active builder community in the metro. See our San Antonio property tax guide and New Braunfels property tax guide for county-specific rate details.
When to Use the Builder Lender — The Honest Assessment
Builder lenders are not always the wrong choice. There are specific scenarios where using the preferred lender produces the best outcome:
- Extended rate lock on a long build timeline: If your home won’t close for 8–12 months, a builder lender’s ability to lock a rate for the full construction period — at builder-subsidized cost — can outperform an outside lender who charges significant fees for locks beyond 60–90 days in a volatile rate environment
- Closing cost credit that genuinely covers the rate differential: Run the math specifically. If the builder’s rate is 6.875% and the market rate is 6.625%, the 0.25% difference on $340,000 costs approximately $57/month. The builder’s $10,000 closing cost credit covers approximately 175 months (14.5 years) of that difference — making the builder lender the mathematically superior choice for any buyer who won’t pay off or refinance within 14 years
- Design center credits that exceed the rate cost: Design center upgrades at builder cost are significantly cheaper than post-closing contractor upgrades — hardwood floors, countertop upgrades, and appliance packages cost 30%–50% more from outside contractors than builder design center pricing. If the design center credit is large enough, it can outweigh a higher rate
- Buyers with credit profiles that outside lenders price punitively: Some builder lenders have more flexible credit overlays than conventional lenders for new construction — buyers at the 620–639 credit tier sometimes get better terms from the preferred lender than from outside conventional lenders
Frequently Asked Questions: New Construction Financing in San Antonio
Do I have to use the builder’s lender on new construction in San Antonio?
No — you have the legal right to use any lender on any purchase. Builder incentives (closing cost credits, design center allowances, rate buydowns) are frequently conditional on using the preferred lender, but the purchase itself is typically not. Read your specific contract carefully — some builders tie incentive receipt to preferred lender use through closing, while others allow lender switching with incentive forfeiture. Brock reviews every new construction contract before signing to identify the specific incentive conditions and lender requirements for each builder community.
How do I compare the builder’s lender incentive to an outside lender?
Three-step comparison: (1) Get a full loan estimate from the builder’s preferred lender — rate, APR, all fees, total closing costs, and monthly payment. (2) Get a competing loan estimate from an outside lender at identical loan terms — same loan amount, same loan type, same down payment. (3) Calculate the monthly payment difference and multiply by your expected ownership period in months. Compare that total interest difference against the builder’s incentive dollar amount. If the incentive exceeds the total interest difference over your ownership timeline, use the builder lender. If not, use the outside lender and negotiate seller concessions toward closing costs instead. Brock facilitates this comparison for every new construction buyer before they commit to a lender.
What is a 2-1 buydown and should I take it?
A 2-1 buydown reduces your interest rate 2% in year one and 1% in year two, then reverts to the full note rate in year three — funded by a builder lump sum at closing. It’s genuinely valuable if your income will increase meaningfully in years 2–3, making the year-three payment increase manageable as income grows. It’s less valuable for buyers at stable income who need to budget for the full note rate from year one. Never budget based on the year-one buydown rate — always build the year-three full rate payment into your long-term monthly budget. A permanent rate buydown using the same builder dollars is often better economics for buyers planning to stay 7+ years.
What is the year-two tax adjustment on new construction?
Year-one property taxes on new construction are assessed on land value only — producing a low first-year tax bill that dramatically understates actual ongoing tax cost. Year-two taxes assess the full improved value for the first time — often 4–6 times the year-one bill in Bexar County. The resulting escrow shortage notice surprises buyers who didn’t know to plan for it. Ask your lender to calculate the estimated year-two bill using the full purchase price and applicable county rate before establishing your escrow account. See our San Antonio property tax guide for full county rate details.
Ready to Buy New Construction in San Antonio?
Register Brock Bremmer as your buyer’s agent before visiting any model home — once you interact with the builder’s sales representative without agent registration, that representation protection is gone. Brock reviews builder contracts before signing, facilitates the builder lender vs outside lender comparison, coordinates phase inspections during construction, and manages the complete new construction transaction from contract to keys.
- 📞 Call or text: 210-501-5088
- 📧 Email: [email protected]
- 🌐 Website: brockbremmer.com
- 📅 Schedule a free consultation
Also see: Best Agent New Construction | Living in New Braunfels | Living in Cibolo | Property Taxes in NB | FHA vs Conventional