HELOCs in San Diego County, CA
San Diego County city by city: median home values (county median $854,700), ownership and what a typical home could borrow.
Reviewed by Shawn Way, NMLS #1007298★ 4.9 from 111 reviewsUpdated
How much can you borrow with a HELOC in San Diego County, California?
A typical San Diego County homeowner could borrow about $299,145 with a HELOC, based on the county's median $854,700 home with half of it still owed and an 85% cap. HELOC rates for 720+ credit run about 8.00%–9.75% APR as of October 28, 2026. In Encinitas, the county's highest-value city on the list, the same math gives about $576,380.
San Diego County pairs high coastal values with a large military population. Many owners hold VA loans at low rates, which is exactly the case where adding a HELOC beats refinancing.
On this page
San Diego County at a glance
| Population | 3,282,248 |
|---|---|
| Median home value (owner-occupied) | $854,700 |
| Owner-occupied homes | 54.6% |
| Monthly owner costs, with / without a mortgage | $3,184 / $871 |
| Median household income | $106,268 |
| 2026 conforming loan limit (one unit) | $1,104,000 |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates; Census QuickFacts. Conforming limit: FHFA.
Use a free calculator, or get your HELOC rate from Shawn.
Cities, by median home value
| City | Median value | Owners | Line if half is owed |
|---|---|---|---|
| Encinitas | $1,646,800 | 66.5% | $576,380 |
| Carlsbad | $1,257,000 | 62.9% | $439,950 |
| San Diego | $906,700 | 47.3% | $317,345 |
| Oceanside | $770,300 | 58.3% | $269,605 |
| Chula Vista | $758,700 | 59.8% | $265,545 |
| Escondido | $714,500 | 53.4% | $250,075 |
Lines assume an 85% combined loan-to-value cap.
Rules that apply countywide
- The conforming limit caps a conventional cash-out refinance at $1,104,000 for one unit; a HELOC isn't subject to it.
- California is a community property state: a spouse usually signs HELOC documents.
- A HELOC doesn't trigger a Proposition 13 reassessment.
- Mello-Roos taxes and HOA dues count in your monthly housing costs when a lender figures your debt-to-income ratio.
Other Southern California counties
Los Angeles County · Riverside County · San Bernardino County · Orange County
Sources
Official sources behind this guide.
- What is the difference between a home equity loan and a HELOC? · Consumer Financial Protection Bureau
- What you should know about home equity lines of credit (booklet, PDF) · Consumer Financial Protection Bureau