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Sierra Bancorp is a California bank holding company whose banking business runs through Bank of the Sierra. The bank takes deposits from individuals and businesses and lends primarily in the southern San Joaquin Valley and California’s Central Coast, including Ventura County. Borrowers pay interest and loan fees, while deposit customers pay account-service charges. Interest income after funding costs supplies most of the company’s revenue.
Real-estate-secured lending generates most of its income, and commercial properties account for most of that lending. The bank also advances short-term funds to mortgage lenders until they sell newly originated mortgages to buyers—a business called mortgage warehouse lending. These advances use wholesale funding as well as deposits. Earnings depend on the gap between lending yields and funding costs, while loan repayment depends heavily on local property markets and regional economies, including agriculture. Account fees also include cash-handling charges paid by money-service businesses.
The holding company itself relies heavily on dividends from Bank of the Sierra to meet its obligations. California law and regulatory capital requirements limit how much the bank can distribute, and regulators can prohibit payments they consider unsafe.
The risk section is the longest, dullest part of the filing. This keeps only what can really hurt you: where it hits, how hard, when it plays out.
Every company claims an edge. Each one is checked against hard numbers like margins and returns: which hold, and which line gives way first.
Community West Bancshares competes with Sierra Bancorp’s Bank of the Sierra for business borrowers and depositors in California’s Central Valley and Central Coast.
Trico Bancshares’ Tri Counties Bank competes with Sierra Bancorp’s Bank of the Sierra for small-business, commercial and agricultural banking customers in California, including the Central Valley.
Oak Valley Bancorp and Sierra Bancorp both lend to businesses and commercial property owners in California’s Central Valley and draw deposits from the same regional economy. Watch Oak Valley’s commercial property loan quality and deposit costs for clues to conditions facing Sierra.
OP Bancorp’s Open Bank and Sierra Bancorp both provide short-term funding to nonbank mortgage lenders to make home loans—mortgage warehouse credit—alongside California business and commercial property loans. Open Bank’s warehouse lending is worth watching because that category made up 20.3% of Sierra’s gross loans at December 31, 2025.
Five Star Bancorp and Sierra Bancorp both use local deposits to fund loans to California businesses and commercial property owners, though Five Star concentrates farther north. Five Star’s commercial property credit quality and business deposit costs offer a comparison for Sierra, rather than a read on the same local market.
CUSTOMERS BANCORP INC’s Customers Bank competes with Sierra Bancorp to fund mortgage lenders’ home-loan production through mortgage warehouse credit. Its mortgage-finance lending offers a window into demand for this part of Sierra’s loan business.
Bank of Marin Bancorp and Sierra Bancorp both lend to California businesses and commercial property owners, but Marin’s deposits are concentrated in Northern California. Watch Marin’s commercial property loan quality as a comparison for Sierra, while keeping their different deposit markets in mind.
Wells Fargo competes directly with Sierra Bancorp’s Bank of the Sierra for local depositors and banking customers. Across the 27 cities where Sierra had branches, Wells Fargo held 18.9% of deposits on June 30, 2025, versus Sierra’s 5.4%—a much larger presence in the same deposit market.
Bank of America competes with Sierra Bancorp’s Bank of the Sierra for consumer and small-business banking customers. Its 16.4% deposit share across Sierra’s 27 branch cities on June 30, 2025, compared with Sierra’s 5.4%, makes it a substantial rival for those customers’ deposits.
JPMorgan Chase competes with Sierra Bancorp’s Bank of the Sierra for consumer and small-business banking customers. On June 30, 2025, it held 16.2% of deposits across Sierra’s 27 branch cities versus Sierra’s 5.4%, making local deposit share the relevant comparison rather than its global businesses.
Community West Bancshares earningsCWBC
Community West Bancshares' report will show how businesses are borrowing and placing deposits in California's Central Valley and Central Coast, where it competes with Sierra Bancorp for customers.
Read Community West Bancshares' business-loan growth alongside deposit growth and deposit costs. Growing loans with stable deposits at manageable cost says it can attract funds and lend to businesses, sharpening Sierra Bancorp's competition for the same borrowers and depositors; weak lending or rising deposit costs may point to softer demand or funding strain, not an automatic win for Sierra.
OP Bancorp earningsOPBK
OP Bancorp's report will show demand and funding economics for short-term warehouse credit to mortgage lenders, a business that is also significant for Sierra Bancorp.
Look at OP Bancorp's warehouse-loan balances and related returns alongside its funding costs. Rising balances with returns that cover funding costs suggest mortgage lenders are still using this credit and banks can price it profitably; falling balances or returns squeezed by funding costs point to weaker demand or economics. Because warehouse lending is a substantial part of Sierra Bancorp's loan book, the results help show the demand and competitive conditions facing the same business.
Sierra Bancorp earningsThis company
Sierra Bancorp earns mainly from loan interest after deposit and borrowing costs, and this report will show whether that spread still covers funding costs and loan losses.
Read the net interest margin—the share of average interest-earning assets that becomes net interest income—alongside loan credit-loss expense. A wider margin with credit-loss expense contained says loan returns are still covering funding costs without a marked increase in borrower losses; a narrower margin with rising expense says funding pressure and credit losses are eating into interest income. Together, these show whether lending is still producing sound returns.
Oak Valley Bancorp earningsOVLY
Oak Valley Bancorp's report can show how Central Valley businesses and commercial-property borrowers are repaying, and what local banks pay to attract deposits—regional conditions Sierra Bancorp also faces.
Read Oak Valley Bancorp's commercial-property delinquencies or problem loans alongside its deposit costs. Stable loan quality with contained deposit costs points to steadier borrowers and funding conditions in the same regional economy; worsening loans and rising deposit costs would flag pressure on both Sierra Bancorp's property lending and funding. Both measures together show whether conditions are broadly supportive, rather than one improvement masking another strain.
Fed Interest Rate Decision
For Sierra Bancorp, the Fed’s policy-rate decision affects interest rates on loans and other assets as well as deposits and borrowings, changing how much Bank of the Sierra earns after paying for funding.
Expected4.0%Last release4.0%
If it comes in above expectations
If rates rise more than expected, yields may increase on loans that reprice, but deposit and borrowing costs may also rise; whichever changes faster will determine whether the Bank keeps more or less from its lending after funding costs.
If it comes in below expectations
If rates fall more than expected, costs may ease on deposits and borrowings, but yields may also fall on variable-rate loans and other assets; whichever changes faster will determine whether the Bank keeps more or less after funding costs.
Wells Fargo & Co. earningsWFC
Wells Fargo's report will show how it is gathering deposits and at what cost; it holds a much larger deposit share than Sierra Bancorp across the cities where Sierra has branches.
Look at Wells Fargo's deposit growth and deposit costs. Growing deposits with costs in check would show that the large bank can still attract funds without sharply raising what it pays, potentially intensifying Sierra Bancorp's deposit competition; slower growth or rising costs would point to changing competitive or funding pressure. Wells Fargo's company-wide figures cannot establish what happened in Sierra's local markets, so they indicate the direction of competition, not the local outcome.
