Meet the Cook Brothers
Down payment assistance specialists at Cornerstone First Mortgage. We help Arizona home buyers access DPA programs and achieve homeownership.
Built for Arizona Home Buyers
Tanner and Zac Cook are down payment assistance specialists at Cornerstone First Mortgage. They specialize in helping Arizona home buyers access down payment assistance programs like HOME Plus and PTHS.
Their mission is simple: help first-time home buyers and working families overcome the biggest barrier to homeownership — the down payment. Many buyers don't realize they may qualify for up to 5% in down payment assistance, which can mean $10,000 to $20,000+ toward their home purchase.
With deep expertise in Arizona's DPA programs and a commitment to personalized service, the Cook Brothers guide buyers through every step of the process — from initial eligibility to closing day.
The Team
Two brothers, one mission — help Arizona families achieve homeownership through down payment assistance programs.
Tanner Cook
Mortgage Loan Originator
NMLS #2090424
Tanner doesn't miss a detail. He reviews every file against DPA program guidelines to make sure nothing slips through the cracks. That precision keeps deals on track and closings on time.
Zac Cook
Mortgage Loan Originator
NMLS #2111496
Zac is the creative problem-solver. He works closely with every client so they know exactly what their mortgage payment and down payment assistance will look like — no surprises, no guesswork.
What Sets Us Apart
We're not your typical mortgage company. Here's what makes the Cook Brothers different.
DPA Program Experts
We specialize in Arizona down payment assistance programs. We know the eligibility requirements, income limits, and program nuances inside and out.
Multiple Program Options
We help you find the best DPA program for your situation. HOME Plus, PTHS, and other options - we compare them all to maximize your benefit.
All 15 Arizona Counties
Whether you're buying in Maricopa, Pima, Pinal, or any other Arizona county, we can help you access down payment assistance.
Personalized Guidance
We walk you through every step of the process, from eligibility to closing. You'll always know where you stand and what comes next.
Our Numbers
Licensing & Compliance
We are fully licensed and operate under strict regulatory oversight.
Cornerstone First Mortgage
NMLS #173855
Tanner Cook
NMLS #2090424
Zac Cook
NMLS #2111496
Equal Housing Opportunity
We are committed to providing equal access to housing and lending services.
Verify our licenses on the NMLS Consumer Access website. NMLS Consumer Access is a free service provided by the Nationwide Multistate Licensing System.
Ready to Work With Us?
Take 60 seconds to see if you qualify for down payment assistance, or call us directly to speak with a DPA specialist.