You are buying at a price that works comfortably on paper, and the lender has come back asking for a year of reserves and two appraisals on a file you were told was strong.
Where the line is, and why it is a cliff here
For 2026 the baseline conforming loan limit for a one-unit property is $832,750, announced by the Federal Housing Finance Agency on 25 November 2025. Maricopa County is not a designated high-cost area, so that baseline is the number that applies in Phoenix, Scottsdale and across the East Valley. The multi-unit baselines are $1,066,250 for two units, $1,288,800 for three and $1,601,750 for four.
Many metros have a high-cost designation that creates a middle tier between conforming and jumbo, with agency pricing and agency rules at a higher limit. Maricopa County does not. Arizona median values stay below the threshold that triggers the high-cost exception, so Phoenix, Scottsdale, Paradise Valley and the whole East Valley sit at the baseline.
The consequence is specific and expensive: there is no gentle step. At $832,750 you are an agency loan. At $832,751 you are a jumbo loan, underwritten to an investor's own rulebook, with different reserves, different ratio ceilings, different appraisal requirements and different pricing. Nowhere else does a single dollar change so much about a mortgage.
What actually changes above the line
Reserves are the first thing. Agency guidelines frequently require little or none on a primary residence. Jumbo investors routinely want months of full housing payment held in verified accounts after closing, and the requirement scales with loan size and leverage.
Documentation gets heavier. Expect a complete asset trail, sourcing on every large deposit, and more scrutiny of income that is not a simple salary. Debt-to-income ceilings tighten, and the compensating factors that would rescue an agency file carry less weight.
Appraisal requirements change. At higher loan amounts and on unique properties, a second appraisal or a desk review is common, which costs both money and days. In Paradise Valley and the custom pockets of north Scottsdale, where comparable sales are thin and every house is different, that is the normal case rather than the exception.
Structuring around the cliff
There are three usual moves, and they are worth pricing before you accept a jumbo quote.
Bring the first lien under the limit. A larger down payment, or a seller credit applied to reduce the loan amount, can land the first mortgage at or below $832,750 and put the entire file back under agency rules. On a purchase sitting a few thousand dollars over the line, this is frequently the cheapest decision available.
Split the financing. An agency first at the limit plus a second lien for the balance keeps the large loan under the friendlier rulebook. Whether it wins depends on the blended cost against a single jumbo, which is arithmetic, not opinion.
Or go deliberately jumbo. On a larger purchase, or where the down payment is better deployed elsewhere, a single jumbo loan is the right structure. The point is not that jumbo is bad. The point is that nobody should land in it by accident because a number crept over a line.
If your income is not a salary
Jumbo underwriting is least forgiving to exactly the borrowers who buy at these price points: business owners, physicians in their first year, people whose wealth is in a portfolio rather than a paycheck. A tax return that is written to minimize taxable income does not describe the money available to pay a mortgage, and an agency rulebook has no field for the difference.
That is what the alternatives are for. Bank statement and P&L documentation qualifies a business owner on deposits or a third-party prepared profit and loss statement rather than returns. Asset depletion and asset qualifier programs convert a portfolio into qualifying income or test a residual balance. Physician programs reach to $2,000,000 with no mortgage insurance at any loan-to-value and will use a signed employment contract instead of pay history.
A file declined as a jumbo is frequently approvable under one of those three. That is the argument for a broker with multiple investors rather than a bank with one shelf.
Where jumbo actually applies across the East Valley
Against a single countywide limit, the map is simple: a few places are mostly jumbo, most places are mostly not, and a few sit right on the line.
- Mesa. Jumbo is the exception here, concentrated in Las Sendas and the northeast against the Tonto National Forest boundary.
- Gilbert. The upper tiers in Agritopia, Seville and the custom pockets reach jumbo. Lot premiums and builder options are usually what push a conforming contract over, and those are negotiable.
- Chandler. The top of the Ocotillo and south Chandler new-construction range crosses the limit, frequently by a small margin, which is precisely the situation where structuring the first lien under the line pays.
- Tempe. Rarely jumbo. When it is, it is usually a multi-unit property or a custom home rather than standard single-family stock.
- Scottsdale. North of the 101, and in Silverleaf, DC Ranch and Troon, the jumbo rulebook applies. South Scottsdale and much of central Scottsdale stay conforming, so the program can change between two houses you tour the same afternoon.
- Phoenix. Arcadia, the Biltmore corridor and parts of north central are jumbo. Most of the rest of the city is comfortably under the limit.
- Queen Creek. Acreage and custom builds reach jumbo; the tract product does not. On larger parcels the appraisal and the land value are what complicate the file.
- Paradise Valley. The core jumbo market in the metro. Entry prices sit above the conforming limit, so nearly every purchase is a jumbo or portfolio file, and thin comparable sales make the appraisal the long pole.
Common questions
What makes a loan jumbo in Maricopa County?
A first mortgage above $832,750 on a one-unit property for 2026. Maricopa is at the national baseline because it is not a designated high-cost area (Federal Housing Finance Agency, announced 25 November 2025).
Is there a high-balance tier in Phoenix or Scottsdale?
No. Arizona median values stay below the high-cost threshold, so there is no intermediate step between conforming and jumbo here. The rules change all at once.
How much in reserves will a jumbo loan require?
More than an agency loan, scaling with loan size and leverage, and held in verified accounts after closing. The requirement is set by the investor, not by an agency, so it varies and is worth shopping.
My purchase is just over the limit. What are my options?
Three: increase the down payment or apply a seller credit to bring the first lien under the limit, split into an agency first plus a second lien, or price a single jumbo and compare. On a file a few thousand dollars over the line, the first option is often the cheapest.
I am self-employed and was declined for a jumbo. Now what?
Bank statement, third-party P&L, asset depletion and asset qualifier programs all exist for that exact file and underwrite it differently. A jumbo decline on tax returns is not the end of the question.
Will I need two appraisals?
Sometimes, at higher loan amounts or on unique properties. In Paradise Valley and the custom areas of north Scottsdale it is common enough to plan for in the timeline.
Why bring this file to us
- Broker model. Multiple investors rather than one bank's shelf, which is what a file needs when the first answer is no.
- You talk to the principal. Ricky Khamis is President of EPiQ Lending and a Certified Mortgage Planner, NMLS #173141, originating mortgages since 1999. Direct line: (480) 999-9842.
- We price the alternatives against each other. Most lenders quote the program you asked for. The comparison is the work.
Looking at a specific home? Send me the address and I will run the numbers: rickykhamis.com/analyze
Equal Housing Opportunity. This is general information, not a commitment to lend or an offer to extend credit. Program rules, agency limits and pricing change, and every file depends on credit approval, property appraisal, income and asset verification and other qualifying factors. Not all applicants will qualify. Figures attributed to an agency above are cited with the issuing agency and the date they were published; confirm the current figure on your own file before you plan around it. Ricky Khamis, NMLS #173141. EPiQ Lending, NMLS #1936984, 7975 N. Hayden Road, Suite A-101, Scottsdale, AZ 85258. Verify any of this at NMLS Consumer Access, the EPiQ Lending profile or the Scottsdale branch page.