Commercial
Business Line of Credit in San Diego, CA
San Diego is a city of 1.4 million people, and Custom Mortgage arranges Business Line of Credit loans there and elsewhere in San Diego County, including La Jolla and Gaslamp Quarter. At $906,700, the median home value in San Diego runs 6% ahead of the San Diego County figure of $854,700 (Census ACS 2020-2024 5-year). A median-priced purchase clears the 2026 one-unit limit ($1,104,000) by $197,300.
Households in San Diego earn a median $108,077 a year. Ownership is close to an even split, at 47% of occupied homes (55% countywide). The median home was built in 1979. For the renter majority, the benchmark is a median gross rent of $2,313 a month.
Business Line of Credit Highlights
- Flexible access to capital for managing day-to-day expenses and unexpected opportunities.
- Competitive interest rates, with competitive rates, to optimize your borrowing costs.
- Streamlined application and approval process for quick access to funds.
National Rate Index (Freddie Mac PMMS)
30-Year Fixed Rate
7.18%
as of 11/5/2026 · Freddie Mac PMMS · live · 2026-11-05
Est. Monthly Payment in San Diego County
$4,873/mo
Based on $899,250 median · 20% down · P&I only
15-Year Fixed Rate
6.57%
as of 11/5/2026 · Freddie Mac PMMS · live · 2026-11-05
Est. Monthly Payment in San Diego County
$6,294/mo
Based on $899,250 median · 20% down · P&I only
Rates are national averages and may differ from your actual rate. Contact us for a personalized quote.
Get Your Rate →Market-data snapshots: FHFA 2026 (live); HUD FYunavailable (bundled); Census ACS 2024 (bundled).
San Diego County at a glance
- San Diego median home value
- $906,700
- Source: Census ACS 5-year, San Diego city, California, 2020-2024
- San Diego median household income
- $108,077
- Source: Census ACS 5-year, San Diego city, California, 2020-2024
- San Diego owner-occupied homes
- 47%
- Source: Census ACS 5-year, San Diego city, California, 2020-2024
- San Diego median year built
- 1979
- Source: Census ACS 5-year, San Diego city, California, 2020-2024
- Conforming loan limit (1 unit)
- $1,104,000
- Source: FHFA, 2026
- Conforming loan limit (4 units)
- $2,123,100
- Source: FHFA, 2026
- Above the national baseline by
- $271,250
- Source: FHFA, 2026
- Median owner-occupied home value
- $854,700
- Source: Census ACS 5-year, 2024
- Median household income
- $106,268
- Source: Census ACS 5-year, 2024
- Owner-occupied homes
- 55%
- Source: Census ACS 5-year, 2024
- Home value to income ratio
- 8.0
- Source: Census ACS 5-year (computed), 2024
Market Snapshot: San Diego County
Source: Redfin · 2026-01-31Median Sale Price
$899,250
Median List Price
$899,000
Price / Sq Ft
$567.026
Days on Market
46
Active Listings
4,189
Homes Sold
1,414
Sale-to-List Ratio
98.7%
2026 Conforming Loan Limits: SAN DIEGO
SAN DIEGO, CA is a designated high-cost area with limits above the national baseline of $832,750.
1-Unit (SFR)
$1,104,000
2-Unit (Duplex)
$1,413,350
3-Unit (Triplex)
$1,708,400
4-Unit (Fourplex)
$2,123,100
Source: FHFA 2026 Conforming Loan Limits. Loans above these limits require jumbo financing.
Business Line of Credit in San Diego, CA
San Diego County is one of the few markets in California showing positive year-over-year price appreciation — up 0.8% to a median sale price of $899,250 — which speaks to the structural demand created by its combination of military employment, biotech and defense industries, and exceptional quality of life. Inventory remains constrained at 4,189 active listings for a county of over 3.2 million residents, and the 46-day median days on market is among the fastest we track across all five states we serve.
The 2025 conforming loan limit for San Diego County is $1,006,250, reflecting its designation as a high-cost area. This is a critical planning figure: buyers purchasing below that threshold can access conventional financing at standard rates, avoiding jumbo pricing. VA loans are the dominant financing vehicle in San Diego — we close more VA transactions here than in any other market outside of Bexar County, Texas — and the VA's no-down-payment benefit carries enormous purchasing power in this price environment.
San Diego's borrower mix is anchored by active-duty military and veterans, who account for a disproportionately high share of purchase transactions relative to the general population. Beyond the military community, we see tech and biotech professionals from Sorrento Valley and Torrey Pines, as well as a robust self-employed segment tied to the county's entrepreneurial base. Move-up buyers from Los Angeles represent a growing cohort seeking the relative affordability premium San Diego offers versus LA.
Use VA entitlement to its full advantage — no loan limit with full entitlement, and no PMI, delivers unmatched purchasing power in San Diego.
Service Areas & Neighborhoods
Our San Diego Presence
Local Knowledge. Global Rates.
8880 Rio San Diego Dr
San Diego, CA 92108
Direct Line
877-976-5669Application Process
Six simple steps from application to funding
Application
Complete our streamlined online application form with your financial information
Document Review
Submit required documentation for verification and processing
Pre-Approval
Receive conditional approval and loan terms based on your profile
Title & Escrow
Open escrow and complete title search and insurance requirements
Appraisal & Final Review
Property appraisal completed and final underwriting approval received
Funding
Sign final documents and receive your loan funds
Application
Complete our streamlined online application form with your financial information
Document Review
Submit required documentation for verification and processing
Pre-Approval
Receive conditional approval and loan terms based on your profile
Title & Escrow
Open escrow and complete title search and insurance requirements
Appraisal & Final Review
Property appraisal completed and final underwriting approval received
Funding
Sign final documents and receive your loan funds
Why Choose Custom Mortgage?
Your trusted partner in real estate financing
Extensive Experience
Over 25 years of proven expertise in mortgage lending and real estate financing
Comprehensive Loan Options
Wide range of programs from conventional to specialized non-QM and hard money solutions
Nationwide Coverage
Licensed in multiple states with the ability to fund loans across the country
Flexible Solutions
Customized financing options for unique situations that traditional lenders decline
Competitive Rates
Access to wholesale pricing and volume discounts passed directly to our clients
No Upfront Fees
Transparent pricing with no application fees or upfront costs to get started
Get Matched in 60 Seconds
Our AI Instant Advisor analyzes your situation — credit, loan amount, property type — and matches you to the right program. No credit pull. No obligation.
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Quick quote or detailed payment estimate — no credit pull
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Step 1: Loan Foundation
Mortgage Estimator
Freddie Mac 30-yr average, week of Apr 19, 2026. Not a quote.
Principal & Interest Only
Common Questions About Business Line of Credit in San Diego
Yes, by $197,300: $906,700 median versus a $1,104,000 one-unit limit.
At least $226,675 before closing costs (75% maximum LTV on $906,700). That is 2.1 years of a $108,077 median income.
8.4 times the $108,077 median household income, steeper than the county's 8.0. Expect to need extra down payment or a co-borrower.
See all Business Line of Credit questions and program details
Business Line of Credit by Location
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View county-level market data, loan limits, and mortgage rates on our territory pages.
Browse All Territories →Reviewed by Eve Sanchez, Chief Compliance Officer · Updated 2026-11-04 · Custom Mortgage Inc., NMLS #1556995
TESTIMONIALS
Success stories from families and investors across the nation who achieved their goals with CMRE.
"I've been working with Custom Mortgage and Real Estate for over five years now, and they've totally helped me get through a bunch of tricky transactions. Their team is super helpful all the way through, making sure everything goes off without a hitch. I seriously recommend Custom Mortgage to anyone who needs financing or a solid real estate broker."

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"I just worked with Custom Mortgage and Real Estate, and seriously, I can't recommend them enough. They have helped my family and me with a bunch of transactions, always receiving results that nobody else could. Their team is super responsive and really experienced, which made everything go through smoothly with no stress at all."

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"As an investor in real estate and an agent, I totally count on Custom Mortgage and Real Estate for my deals since they've got loads of experience. They have these unique programs that I just can't find anywhere else, and it really gives me an advantage. After researching a number of companies, the offers from Custom Mortgage were the best out there."
