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San Diego Conforming Loan Limits Guide 2026

02/13/26
in Conforming Loan

Are you looking for updated San Diego Conforming Loan limits for 2026?

Understanding annual loan limit updates is essential for successful real estate planning—especially in high-priced markets like San Diego. In this guide, we break down the 2026 unit-based limits and clearly explain the difference between conforming and jumbo loans.

San Diego Conforming Loan

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2026 San Diego Conforming Loan Limit

San Diego includes premium neighborhoods such as La Jolla, Del Mar, and Carmel Valley. Because of its high property values, it is classified as a High-Cost Area by the Federal Housing Finance Agency (FHFA).

As a result, the San Diego Conforming Loan limits are significantly higher than the national baseline.

Property Type
(Property Size)
FHA Limit
(2026 Est.)
Conforming Limit
(San Diego 2026)
1-Unit
(Single-family/Condo)
$1,077,550 $1,104,000
2-Unit
(Duplex)
$1,379,450 $1,413,350
3-Unit
(Triplex)
$1,667,450 $1,708,400
4-Unit
(Fourplex)
$2,326,875 $2,402,625

What This Means

  • Loan amount at or below the limit:
    You qualify for a Conforming Loan, typically offering lower interest rates and more flexible underwriting.
  • Loan amount above the limit:
    The loan is classified as a Jumbo Loan, requiring stronger credit and more extensive asset documentation.
👉 Check the 2026 Conforming Loan Limit

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How the San Diego Conforming Loan Applies in Real Scenarios

Let’s look at how the $1,104,000 (1-unit limit) works in practice.

Scenario 1

Mira Mesa & Chula Vista

$900K ~ $1.4M
Conforming Loan Area High-demand residential neighborhoods in San Diego.
Loan Strategy Keep the loan amount at or below $1,104,000.
Strategy A:
Standard Conforming Loan

(Lower interest rates and more flexible underwriting guidelines)
Apply

Scenario 2

La Jolla & Carmel Valley

$1.8M ~ $3.0M+
Luxury High-End Market Top-rated schools and premier coastal communities in San Diego.
Loan Characteristics Loan amount exceeds $1,104,000.
Strategy B: Jumbo Loan
(Large financing with stricter asset documentation requirements)
Apply

Understanding whether your financing falls under a conforming or jumbo structure is critical. If your loan exceeds the San Diego Conforming Loan limit, careful preparation is essential.

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Conforming Loan vs Jumbo Loan

샌디에고 주택 구매 시 고려해야 할 두 가지 주요 대출 옵션의 장단점과 요건을 비교했습니다.

CategoryConforming Loan (Standard Loan)Jumbo Loan
Pros• Generally lower interest rates
• More flexible underwriting standards
• Lower down payment options
• Enables purchase of high-priced homes
• Access to San Diego’s high-end markets
• Competitive rate programs available
Cons• Loan limits restrict purchase of expensive homes (Difficult to purchase high-priced homes)• Generally higher interest rates
• Much stricter underwriting standards (high credit scores, extensive asset verification required)
• Larger down payment requirements
Key Requirements• Recommended credit score: 620+
• DTI (Debt-to-Income Ratio): preferably under 43-50%
• Recommended credit score: 700-720+
• DTI: typically under 43%
• Proof of 6-12 months of mortgage payment reserves required

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San Diego Mortgage Preparation Checklist

In San Diego’s highly competitive housing market, proper preparation is essential to secure loan approval successfully. If you may need a jumbo loan, even more thorough financial documentation and planning will be required.

If you’re deciding between a conforming loan and a jumbo loan, consider using Loaning.ai’s AI-powered mortgage platform to compare the most competitive rates and loan options available to you.

Category Checkpoints Status
1 Credit Report
  • Conforming loans: possible with scores above 620 (best rates typically at 740+)
  • Jumbo loans: 700-720+ strongly recommended
2 Income Documentation
(Tax Return)
  • Self-employed borrowers: the key to 2026 loans is your 2025 tax return
  • Important note: excessive expense write-offs that reduce Net Income can significantly lower your borrowing power
3 Asset Reserves
  • Liquid assets: jumbo loans often require 6-12 months of mortgage payment reserves
  • Overseas assets: if transferring funds from Korea, prepare early for sourcing documentation and timing

Let Loaning.ai handle the complex calculations and comparisons for you. We provide specialized mortgage solutions for the San Diego area.

👉 Check Your Custom Rate in 30 Seconds

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👉 View 2026 U.S. Conforming Loan Limits by Region

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