California Mortgage Rate Lock-In Report 2026
How many California owners hold low-rate mortgages, how that affects listings, and what owners who need to move should weigh.
Updated October 2026. In the second quarter of 2026, 60.1% of outstanding California mortgages carried an interest rate below 4%, compared with 49.1% nationally, according to the FHFA National Mortgage Database. On October 1, 2026, the average 30-year fixed rate was 7.28%, its highest level in 52 weeks, according to Freddie Mac. That gap gives many owners a strong financial reason to stay put, and supply reflects it: California sellers added 30,094 new listings in September 2026, 1.1% fewer than a year earlier (Realtor.com data via FRED).
California mortgage rate lock-in data: key findings (October 2026)
Published October 2, 2026. Each statistic below names its source and period.
- 60.1% of outstanding California mortgages carry an interest rate below 4% (Q2 2026), including 27.0% below 3%, versus 49.1% below 4% nationally. Source: FHFA National Mortgage Database.
- Only 15.7% of California mortgages are at 6% or higher, up from 14.3% a year earlier; nationally the share is 22.5%.
- The average 30-year fixed rate was 7.28% on October 1, 2026 (Freddie Mac), its 52-week high, compared with a 52-week low of 5.98%.
- Lock-in shows up in supply: California sellers added 30,094 new listings in September 2026, down 1.1% year over year, and pending listings were down 7.3% (Realtor.com via FRED).
- 28.9% of California homeowners have lived in their home since before 2000, and 32.6% own outright with no mortgage (U.S. Census Bureau, ACS 2020-2024 5-year). Longest-tenured owners by county: San Mateo (38.2%), Marin (38.1%), Los Angeles (35.6%).
What is the mortgage rate lock-in effect?
Owners with low-rate loans are reluctant to sell and take a new loan at a much higher rate. In California, 60.1% of mortgages are below 4% while new 30-year loans averaged 7.28% on October 1, 2026.
How many California homeowners have a mortgage rate below 3%?
27.0% of outstanding California mortgages were below 3% in Q2 2026 (FHFA).
| Interest rate | California Q2 2026 | California Q2 2025 | United States Q2 2026 |
|---|---|---|---|
| Below 3% | 27.0% | 27.8% | 19.2% |
| 3% to 3.99% | 33.1% | 34.5% | 29.9% |
| 4% to 4.99% | 14.8% | 15.4% | 16.5% |
| 5% to 5.99% | 9.4% | 8.0% | 12.0% |
| 6% or higher | 15.7% | 14.3% | 22.5% |
| County | Owners in home since before 2000 | Owners who moved in 2020 or later | Owners with a mortgage | Owners with no mortgage |
|---|---|---|---|---|
| San Mateo | 38.2% | 10.7% | 66.1% | 33.9% |
| Marin | 38.1% | 11.8% | 66.8% | 33.2% |
| Los Angeles | 35.6% | 11.0% | 68.0% | 32.0% |
| Modoc | 34.9% | 17.4% | 41.5% | 58.5% |
| San Francisco | 34.4% | 14.1% | 64.1% | 35.9% |
| Mendocino | 34.2% | 14.0% | 50.9% | 49.1% |
| Sierra | 34.1% | 2.7% | 58.1% | 41.9% |
| Santa Cruz | 33.8% | 11.9% | 63.1% | 36.9% |
| Siskiyou | 33.0% | 14.4% | 49.2% | 50.8% |
| Santa Barbara | 32.9% | 11.9% | 63.4% | 36.6% |
| Humboldt | 32.2% | 11.3% | 53.2% | 46.8% |
| Santa Clara | 32.1% | 12.5% | 67.0% | 33.0% |
| Glenn | 32.0% | 11.1% | 55.3% | 44.7% |
| Monterey | 31.8% | 11.0% | 62.7% | 37.3% |
| Ventura | 31.8% | 12.3% | 68.5% | 31.5% |
| Orange | 31.6% | 13.0% | 67.0% | 33.0% |
| Napa | 31.2% | 12.9% | 62.3% | 37.7% |
| Alameda | 31.1% | 13.6% | 70.3% | 29.7% |
| Sonoma | 29.9% | 14.2% | 65.9% | 34.1% |
| Colusa | 29.8% | 10.1% | 55.4% | 44.6% |
| Mariposa | 28.7% | 16.5% | 56.0% | 44.0% |
| Lassen | 28.6% | 15.6% | 56.8% | 43.2% |
| Contra Costa | 28.6% | 14.2% | 71.1% | 28.9% |
| San Benito | 28.6% | 15.3% | 72.1% | 27.9% |
| Alpine | 28.5% | 14.4% | 51.8% | 48.2% |
| Plumas | 27.8% | 15.8% | 49.7% | 50.3% |
| Solano | 27.7% | 14.8% | 72.1% | 27.9% |
| Sutter | 27.4% | 13.0% | 64.3% | 35.7% |
| San Diego | 27.2% | 14.6% | 69.6% | 30.4% |
| Yolo | 26.7% | 14.8% | 65.6% | 34.4% |
| Inyo | 26.3% | 15.0% | 39.0% | 61.0% |
| San Luis Obispo | 26.3% | 14.9% | 63.8% | 36.2% |
| Del Norte | 26.1% | 13.0% | 50.2% | 49.8% |
| Imperial | 26.0% | 10.9% | 59.3% | 40.7% |
| Tehama | 25.8% | 12.9% | 57.8% | 42.2% |
| Fresno | 25.8% | 13.9% | 65.5% | 34.5% |
| Tulare | 25.2% | 13.9% | 65.1% | 34.9% |
| Madera | 25.0% | 14.5% | 64.6% | 35.4% |
| Merced | 25.0% | 14.3% | 64.2% | 35.8% |
| Stanislaus | 24.7% | 13.8% | 65.7% | 34.3% |
| Tuolumne | 24.6% | 14.7% | 58.3% | 41.7% |
| Trinity | 24.4% | 15.2% | 37.7% | 62.3% |
| San Bernardino | 24.4% | 14.8% | 68.7% | 31.3% |
| Shasta | 24.0% | 16.3% | 62.7% | 37.3% |
| Sacramento | 24.0% | 14.9% | 69.0% | 31.0% |
| Butte | 23.3% | 18.3% | 58.3% | 41.7% |
| El Dorado | 22.9% | 16.4% | 68.0% | 32.0% |
| Nevada | 22.9% | 17.6% | 61.2% | 38.8% |
| Kings | 22.9% | 17.2% | 66.0% | 34.0% |
| Lake | 22.5% | 14.2% | 52.8% | 47.2% |
| San Joaquin | 21.8% | 15.3% | 69.8% | 30.2% |
| Kern | 21.4% | 15.8% | 66.0% | 34.0% |
| Amador | 20.3% | 22.4% | 60.4% | 39.6% |
| Calaveras | 20.2% | 15.9% | 54.3% | 45.7% |
| Mono | 19.3% | 17.6% | 67.7% | 32.3% |
| Placer | 18.8% | 17.7% | 69.5% | 30.5% |
| Yuba | 17.7% | 21.2% | 68.9% | 31.1% |
| Riverside | 16.7% | 17.0% | 68.6% | 31.4% |
| California | 28.9% | 13.6% | 67.4% | 32.6% |
Sources: FHFA National Mortgage Database: Outstanding Residential Mortgage Statistics; Freddie Mac Primary Mortgage Market Survey; Realtor.com housing inventory data for California counties (FRED); U.S. Census Bureau ACS 2020-2024 5-year estimates (Census Reporter). Download the data (CSV) · How to cite this report
How many California homeowners are locked in to low rates?
Most California mortgages are low-rate loans. FHFA’s National Mortgage Database shows that in Q2 2026, 27.0% of outstanding California mortgages carried a rate below 3% and another 33.1% were between 3% and 3.99%, a combined 60.1% below 4%. Nationally, those shares were 19.2% and 29.9%, or 49.1% combined. FHFA counts about 5.66 million outstanding mortgages in California.
At the other end, 15.7% of California mortgages carried a rate of 6% or more, compared with 22.5% nationwide. California’s mortgage stock is weighted more heavily toward low rates than the nation’s, so a larger share of its borrowers would face a large jump in borrowing costs if they moved.
How did the rate mix change over the past year?
Slowly, toward higher rates. Between Q2 2025 and Q2 2026, the share of California mortgages below 4% fell from 62.3% to 60.1%, while the share at 6% or more rose from 14.3% to 15.7% and the 5% to 5.99% band grew from 8.0% to 9.4%, according to FHFA. In Q1 2024, only 10.2% of California mortgages were at 6% or more.
The mix shifts as owners sell, refinance or pay off older loans and new loans are written at current rates. At this pace, lock-in is easing gradually rather than ending: about three in five California mortgages are still below 4%.
Why do low-rate owners hesitate to sell?
Because moving usually means trading a cheap loan for an expensive one. The table below is an illustration only, computed with the standard 30-year amortization formula for a $500,000 loan, principal and interest only:
| Interest rate | Monthly principal and interest |
|---|---|
| 3.00% | $2,108 |
| 4.00% | $2,387 |
| 5.98% (Freddie Mac 52-week low) | $2,991 |
| 7.28% (Freddie Mac, Oct. 1, 2026) | $3,421 |
On the same loan amount, the payment at 7.28% is about $1,313 a month higher than at 3% ($15,756 a year), or about 62% more. Real situations differ: a long-time owner may owe far less than $500,000, a replacement home may need a larger loan, and property taxes, insurance and dues come on top. Rates have also been rising: Freddie Mac’s 30-year average climbed from 6.71% on September 3 to 7.28% on October 1, and it stood at 6.34% a year earlier.
Is the lock-in effect reducing California listings?
It is one reason new supply stays thin. Realtor.com data published on FRED show California sellers added 30,094 new listings in September 2026, down 1.1% from a year earlier, while pending listings were down 7.3% year over year. When moving means giving up a low rate, owners who have a choice may wait.
Lock-in is not the only factor, and it does not apply to everyone. The 32.6% of California homeowners who own outright, according to the Census Bureau’s 2020-2024 American Community Survey (ACS), have no mortgage rate to protect, and owners whose loans are already at 6% or more give up little by moving.
Who is selling anyway?
Owners whose circumstances change regardless of rates. Common situations include:
- Inheritance. Heirs who will not live in the home may face a higher property tax bill. Under Prop 19, a child generally keeps a parent’s lower taxable value on a family home only by making it their primary residence within one year, and market value above the factored base year value plus $1,044,586 (for transfers from February 16, 2025, through February 15, 2027) is added to the tax base, according to the State Board of Equalization (BOE). See our California Probate & Inherited Home Report 2026.
- Divorce. A shared home may need to be sold or bought out as part of dividing property; see our California Divorce & Home Sale Report 2026.
- Relocation. A new job or family move can make keeping the home impractical.
- Downsizing. Older owners moving to a smaller home or closer to family may be able to use Prop 19 (below).
- Financial strain. Rising costs or missed payments can force the issue; talking early with your servicer, a HUD-approved housing counselor or an attorney can widen the options. See our California Foreclosure Report 2026.
What do Prop 13, Prop 19 and the capital-gains exclusion mean for long-time owners?
For long-time owners, taxes can matter as much as the mortgage rate. According to the ACS, 28.9% of California homeowners moved in before 2000, led by San Mateo (38.2%), Marin (38.1%) and Los Angeles (35.6%) counties.
Prop 13. BOE explains that Prop 13 generally limits annual increases in a property’s base year value to no more than 2%, and that property is reassessed to market value when it changes ownership or is newly built. Long-time owners therefore tend to pay much less than recent buyers, and a purchase generally resets the tax base.
Prop 19. Owners 55 or older, as well as severely disabled owners and certain disaster victims, can generally transfer the taxable value of their principal residence to a replacement home anywhere in California, up to three times, if the replacement is bought or built within two years of the sale. If the replacement is worth more than 100% of the original’s market value (105% if bought within a year after the sale, 110% within two years), the excess is added to the transferred value. According to BOE, the claim is filed with the assessor in the replacement home’s county after both transactions close, not through escrow.
Federal capital gains. The IRS lets sellers exclude up to $250,000 of gain on a main home, or $500,000 on a joint return, if they meet the ownership and use tests (generally two of the last five years) and have not used the exclusion in the prior two years. Owners who bought decades ago may have gains above those limits.
What options do owners who need to move have?
The right path depends on your equity, income, timing and the home’s condition. Common approaches:
- Sell first, then buy or rent. This frees up equity and avoids carrying two homes, but may require temporary housing.
- Buy before you sell. Bridge financing, a home equity line or a contingent offer can make this possible, at the cost of carrying two properties for a time; Prop 19 timing rules also apply (see the FAQ below).
- Keep and rent the home. You keep the low-rate loan but become a landlord, and because the IRS use test looks back five years from the sale, a long rental period can affect the home-sale exclusion.
- Offer an assumable loan. HUD says all FHA-insured single-family forward mortgages are assumable; when a creditworthy buyer assumes one under HUD’s procedures, the seller can be released from liability. The buyer takes over the remaining balance and covers the rest of the price another way. Ask your servicer what applies to your loan.
- List or sell as-is. Listing with an agent puts the home in front of the open market; selling as-is to a cash buyer is another option that skips buyer financing and repair negotiations. Compare estimated net proceeds and timing, and see how our process works.
Frequently asked questions
What happens to my low mortgage rate when I sell?
In most sales, the remaining balance is paid off from the sale proceeds at closing, and the rate ends with the loan. The main exception is an assumption, in which a qualified buyer takes over an assumable loan such as an FHA-insured mortgage.
Would lower mortgage rates end the lock-in effect?
Not quickly. We do not forecast rates, but in our illustration even Freddie Mac’s 52-week low of 5.98% produces a payment of about $2,991 on a $500,000 loan, versus $2,108 at 3%. FHFA data show the below-4% share falling only about two percentage points in the past year.
Can I use Prop 19 if I buy my next home before selling?
Generally yes if you otherwise qualify, according to BOE, as long as one transaction occurs on or after April 1, 2021, and the original home is sold within two years of buying the replacement. You pay property tax on the replacement’s full market value until the original sells, with no refund for that period.
Does lock-in affect owners who have no mortgage?
Not through the interest rate, but similar pressures can apply. An owner who bought long ago may have a low Prop 13 tax base and a large gain, so moving can mean a higher property tax bill and capital-gains tax. A CPA can help you estimate both.
Methodology and sources
Rate shares are the percent of outstanding first-lien mortgages in each interest-rate band from FHFA’s National Mortgage Database (data through Q2 2026, released September 30, 2026); “below 4%” adds the two lowest bands. Market rates are from Freddie Mac’s Primary Mortgage Market Survey (week of October 1, 2026). New and pending listings are Realtor.com data published on FRED, and tenure and mortgage status are ACS 2020-2024 5-year estimates. The payment table is our illustration using the standard formula, payment = P × r ÷ (1 − (1 + r)^−360), with P = $500,000 and r = annual rate ÷ 12; it is not a loan quote. Tax and loan rules were checked on BOE, IRS and HUD websites in October 2026. Nothing is estimated.
- FHFA: NMDB Outstanding Residential Mortgage Statistics; National Mortgage Database
- Freddie Mac: Primary Mortgage Market Survey; October 1, 2026 release
- Realtor.com housing inventory data for California (FRED)
- U.S. Census Bureau ACS 2020-2024 5-year estimates (Census Reporter)
- BOE: California Property Tax: An Overview (Publication 29); Proposition 19; Proposition 19 fact sheet
- IRS: Topic 701, Sale of your home; Publication 523
- HUD: Are FHA-insured mortgages assumable?
Related research: all Cash Home Buyers CA research reports, the California Free-and-Clear Homes Report 2026, the California Housing Inventory & Market Speed Report, the California Housing Affordability Report and the California Tenant-Occupied Home Sale & Eviction Report 2026. Moving for work or settling an estate? See selling a house due to relocation, selling inherited property and how our process works.
How to cite this report
Cash Home Buyers CA Research Team. (2026). California Mortgage Rate Lock-In Report 2026. Cash Home Buyers CA. Updated October 8, 2026. https://cashhomebuyersca.com/california-mortgage-rate-lock-in-report/
Download the data behind this report (CSV). The data may be reused under CC BY 4.0 with attribution to Cash Home Buyers CA and a link to this page.