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Updated · Mike Certo, NMLS #260555

Arizona First-Time Home Buyer in New Construction

Arizona has one of the largest new-construction markets in the US — DR Horton, Lennar, KB Home, Taylor Morrison, Meritage and many builders compete across Phoenix metro, Tucson, and beyond. First-time buyers in new construction face specific decisions around builder vs outside lender, incentives, and DPA timing.

By Mike Certo, NMLS #260555 —

Builder lender vs outside lender

Every major Arizona builder has an in-house or partner lender they push hard. The pitch: incentives, faster closing, builder-trust. The reality is more nuanced.

Builder lender incentives

  • Closing cost credits — typical $5K-$15K toward closing costs if you use the builder lender
  • Rate-lock advantages — long-window locks specific to builder timeline
  • Upgrade credits — design center incentives if you use the builder lender
  • Streamlined process — builder and lender coordinate timeline directly

Outside lender advantages

  • Independent pricing comparison — verify the builder lender's pricing is actually competitive
  • Different product menu — DPA pairing, MCC eligibility, non-builder programs the builder lender may not offer
  • No conflict of interest — your lender isn't financially tied to the builder relationship
  • Established relationship — Cornerstone has worked with virtually every major Arizona builder

How to decide

Run both side-by-side. Get a Loan Estimate from the builder lender AND from an outside lender (us). Compare:

  • Total APR (includes fees, not just rate)
  • Cash to close after incentives
  • Monthly payment
  • Total cost over the time period you'll keep the loan

The builder lender wins sometimes. Sometimes the outside lender wins by more than the builder incentives offset. The only way to know is to compare.

Rate-lock timing in new construction

New construction typically involves 6-12 month build timelines. Standard mortgage rate locks run 30-60 days. The mismatch creates planning complexity:

  • Float-down options: Some lenders offer long-window locks with float-down if market improves before closing
  • Extended locks: 180-day or longer locks available but typically cost more
  • Lock near closing: Wait until construction is 60-90 days from completion to lock, accepting market risk during build
  • Builder lender extended locks: Often a real advantage if your build timeline is long

Specific pricing on locks varies by lender and current market — quoted file-specific.

DPA timing with new construction

DPA program reservations have their own windows (typically 60-180 days). New construction timelines often exceed those windows. Strategies:

  • Reserve DPA late: Hold DPA reservation until construction is 60-90 days from completion
  • Extend reservations: Document construction delays to extend program reservation
  • Backup financing: Have plan B in case DPA reservation expires before completion
  • Re-reservation risk: Program funding tiers can change between reservation expiration and re-reservation

Builder credits + DPA interaction

Most builders offer seller-side credits toward closing costs. Most DPA programs allow seller concessions. But there are caps:

  • FHA: 6% seller concession cap
  • Conventional: 3-6% depending on LTV
  • VA: 4%
  • USDA: 6%

Combined builder credit + DPA can't exceed the program cap. Plan accordingly.

Working with major Arizona builders

Cornerstone has placed loans on properties from virtually every major Arizona builder:

  • DR Horton — Phoenix, Buckeye, Goodyear, Queen Creek, San Tan Valley, Maricopa, Casa Grande, Tucson
  • Lennar — Phoenix metro, Tucson
  • KB Home — Phoenix metro
  • Taylor Morrison — Phoenix, Tucson
  • Meritage — Phoenix metro
  • Pulte / Del Webb — Phoenix metro, especially West Valley
  • Shea Homes — Phoenix metro luxury
  • Ryland / CalAtlantic / Standard Pacific (now Lennar) — various

Next step

20-minute call. Bring target builder community, expected closing date, household income, and FTHB status. We model builder lender vs outside lender side-by-side.

FAQ

Do I have to use the builder lender to get builder incentives?

Often yes — builder incentives are conditioned on using the builder lender. Sometimes outside-lender total cost beats the builder lender even after losing the incentives. The only way to know is to compare both Loan Estimates.

Can I get DPA on a new construction home?

Yes, but timing requires planning. DPA reservation windows (60-180 days) often don't match new-construction build timelines (6-12 months). We coordinate reservation timing with the builder schedule.

How long does new-construction closing take?

After construction completes: standard 30-45 day closing window, same as resale. The full timeline from contract is dominated by the builder's build time.

Can I lock my rate at builder contract for a 9-month build?

Most standard locks run 30-60 days. Long-window locks (180+ days) exist but cost more. Some buyers wait to lock until 60-90 days from completion.