What is a jumbo loan?

A jumbo loan is any mortgage that exceeds the conforming loan limit for the county and property type. In 2026, the standard limit for a single-family home is $806,500 in most US counties. In high-cost counties the limit is up to $1,209,750. Because Fannie Mae and Freddie Mac cannot purchase jumbo loans, they carry stricter qualification requirements and often slightly higher rates.

Jumbo Loan Limits Calculator 2026

Find out when your mortgage crosses into jumbo territory. Check the 2026 conforming limit for your area, see your estimated jumbo rate premium, and compare strategies to stay conforming or manage your jumbo loan effectively.

Loan Amount

County / Area Type

Conforming Rate

Conforming Limit for Your Area

$806,500

2026 limit — standard area

JUMBO — Your loan exceeds the limit by $93,500

Your Loan

$900,000

Conforming Limit

$806,500

Over Limit By

$93,500

Est. Jumbo Rate Premium

None (just over limit)

Conforming Rate

6.8%

Est. Jumbo Rate

6.8%

Advanced

Advanced Calculator

Jumbo thresholds by area, rate premium by amount, super conforming explained

A loan becomes jumbo when it exceeds the conforming limit for its area. Here are the key thresholds for 2026.

Area Type	Conforming Limit	Jumbo Starts At	Your Loan	Status
Standard (most US counties)	$806,500	$806,501	$900,000	Jumbo
Mid-range high-cost	$1,000,000	$1,000,001	$900,000	Conforming
High-cost ceiling (CA, NY, etc.)	$1,209,750	$1,209,751	$900,000	Conforming
AK/HI/Guam/USVI special	$1,209,750	$1,209,751	$900,000	Conforming

Pro

Professional Simulator

Jumbo qualification requirements, portfolio vs conventional jumbo, down-to-conforming strategy

Jumbo loans have significantly stricter qualification requirements than conforming loans.

Credit Score

700+ required

Many lenders require 720-740 for best rates

Down Payment

20% typical

Some lenders allow 10% with higher rate

Cash Reserves

6-12 months PITI

Must show in liquid accounts after closing

DTI Limit

38-43% max

Conforming allows up to 50% with DU approval

Appraisals

Often 2 required

Second appraisal common for large jumbo

Income Documentation

Full docs required

No bank statement or DSCR loans typically

Jumbo is harder to qualify for: Unlike conforming loans that run through Fannie/Freddie automated underwriting, most jumbo loans are manually underwritten. Every dollar and day of income, assets, and employment is verified. Build your financial picture 6-12 months before applying.

How to Use This Jumbo Loan Limits Calculator

Enter your loan amount and area type to instantly see whether your mortgage crosses into jumbo territory and what rate premium you can expect to pay.

Quick Calculator

Enter your Loan Amount and select your Area Type to see the 2026 conforming limit for your county. The calculator tells you immediately whether your loan is jumbo, how far over the limit it is, and the estimated jumbo rate premium based on how much over the limit you are. Enter the current conforming rate to see a side-by-side rate comparison.

Advanced Section

Explore the full jumbo threshold table across all area types, see how rate premiums scale with loan size over the limit, and learn about super conforming loans — a subset of jumbo that Fannie/Freddie still purchase in high-cost designated counties.

Pro Section

Understand the strict qualification requirements for jumbo loans versus conforming, compare portfolio jumbo (held by private banks) versus agency super conforming, and run the down-to-conforming strategy analysis to see if adding extra down payment is worth it for your home price.

How Jumbo Rate Premiums Are Calculated

A loan becomes jumbo when: Loan Amount > Conforming Limit for the area

2026 Conforming Limits (1-unit):
• Standard areas: $806,500
• High-cost areas: up to $1,209,750
• AK/HI/Guam/USVI: $1,209,750

Typical rate premium by amount over limit:
• $1 - $100,000 over: +0.00% (minimal premium)
• $100K - $500K over: +0.125% premium
• $500K+ over limit: +0.25% to +0.50% premium

Jumbo Monthly Payment = monthlyPayment(loanAmount, conformingRate + premium, 30)

Jumbo rate premiums are not fixed — they vary by lender, credit score, LTV, and market conditions. The amounts above are typical ranges in normal market conditions. During periods of market stress, jumbo premiums can widen significantly. Always get multiple quotes for jumbo loans.

Example: Buyer in Austin, TX Just Over the Limit

James needs a $900,000 loan in a standard-area county

Loan Amount	$900,000
Area Type	Standard (Travis County, TX)
2026 Conforming Limit	$806,500
Amount over limit	$93,500
Loan classification	JUMBO
Rate premium (just over limit)	+0.00% to +0.125%
Conforming rate	6.75%
Jumbo rate estimate	6.75% - 6.875%
Extra down to conform	$93,500 additional
Monthly savings if conforming	~$55-$90/mo depending on rate

James is only $93,500 over the limit, so his jumbo rate premium will be minimal — possibly zero with a strong credit profile. The extra down payment to stay conforming would take 87+ years to break even through payment savings alone. In this case, the jumbo loan makes financial sense.

Frequently Asked Questions

A jumbo loan is any mortgage that exceeds the conforming loan limit for the county and property type. In 2026, the standard limit for a single-family home is $806,500 in most US counties — any loan above that amount in a standard area is jumbo. In high-cost counties the limit is up to $1,209,750, so loans above that ceiling are jumbo. Because Fannie Mae and Freddie Mac cannot purchase jumbo loans, they carry different (typically stricter) qualification requirements and often slightly higher rates.

The jumbo premium over conforming rates varies by how far over the limit your loan is, your credit profile, and market conditions. For loans just slightly over the limit (under $100K over), many lenders charge no rate premium at all. For larger jumbo loans ($500K+ over the conforming limit), premiums of 0.25% to 0.50% are common. In some market environments, jumbo rates are actually below conforming rates because wealthy borrowers with large loans are considered lower default risk — this happened periodically during 2020-2022.

Most jumbo lenders require a minimum credit score of 700, with many preferring 720-740 for the best rates. Unlike conforming loans where Fannie/Freddie automated underwriting (DU/LP) can approve borrowers with 620+ scores, jumbo loans are generally manually underwritten and lenders apply stricter standards. A higher credit score not only helps you qualify but also significantly affects the rate — the difference between a 700 and 740 score on a jumbo loan can be 0.125% to 0.25% in rate.

A super conforming loan is a mortgage between the standard conforming limit ($806,500) and the high-cost ceiling ($1,209,750) that Fannie Mae and Freddie Mac will purchase in designated high-cost counties. These loans follow standard conforming underwriting guidelines (DU/LP automated underwriting) and qualify for better rates than true portfolio jumbo loans. Super conforming is only available if your county has been officially designated as high-cost by FHFA — check FHFA.gov for your specific county.

Most jumbo lenders require 20% down to avoid the highest rates and reserve requirements. Some lenders offer jumbo loans with 10% down, but typically at a higher rate and with stricter credit requirements. Unlike conforming loans where 3-5% down is possible, jumbo lenders protect themselves from default risk by requiring more equity at origination. Additionally, most jumbo lenders require 6-12 months of PITI (principal, interest, taxes, insurance) reserves in liquid accounts after closing — on top of the down payment.