Bank of Marin

FDIC-insured bank with its head office in Novato, California, established in 1990 according to the FDIC.

Bank of Marin reported total assets of $3.9 bn at Q2 2026, up 3.5% on a year earlier, the 340th largest of 497 banks in our US coverage. The CET1 capital ratio at Bank of Marin was 13.69%, and the uninsured share of Bank of Marin was 36.84%. Source: FDIC Call Reports.

Key takeaways

  • On noncurrent loans to total loans, Bank of Marin climbed from 465th to 149th among 500 US banks between and (1 = lowest; FDIC Call Reports).
  • Bank of Marin reports one of the lowest loan-to-deposit ratio readings among banks of $1 bn to $10 bn: 61.23% at , where the median of the 339 banks is 88.61% (FDIC Call Reports).
  • At 0.69%, the net charge-offs to average loans of Bank of Marin sits in the top tenth of its size group ($1 bn to $10 bn, 339 banks), where the median is 0.06% (FDIC Call Reports).
Total assets
$3.9 bn
+3.5% on a year earlier
Rank 340 of 497 1 = highest
CET1 capital ratio
13.69%
-0.09 pp on a year earlier
Rank 179 of 448 1 = highest
Return on equity
9.66%
+11.07 pp on a year earlier
Rank 356 of 500 1 = highest
Uninsured share of deposits
36.84%
+0.71 pp on a year earlier
Rank 232 of 500 1 = highest

What sets Bank of Marin apart

  • Since , Bank of Marin has taken over 2 institutions; the latest was American River Bank on .

How large is Bank of Marin?

The balance sheet of Bank of Marin at : assets $3.9 bn, deposits $3.4 bn, net loans $2.1 bn (loans equal to 61.23% of deposits). Securities make up 32.2% of total assets at Bank of Marin. Since , when Bank of Marin held $1.9 bn, its assets grew 98.4%. In the year to , deposits at Bank of Marin rose 3.6% while its total assets rose 3.5%. At , Bank of Marin employed 315 full-time equivalent staff across 29 offices, about $12.2 mn of assets per employee and $117.1 mn of deposits per office.

How much funding at Bank of Marin is uninsured?

At Bank of Marin, uninsured deposits (above the FDIC limit) made up 36.84% of domestic deposits at (+0.71 pp on a year earlier); Bank of Marin ranks 232nd of 500 on this measure. In dollars, Bank of Marin estimated $1.3 bn of uninsured deposits.

Key facts, Q2 2026

MetricValueChange from a year earlierUS rank
Total deposits$3.4 bn+3.6%327th of 499
Net loans and leases$2.1 bn+1.7%425th of 500
Loan-to-deposit ratio61.23%-1.15 pp454th of 500
Tier 1 leverage ratio9.16%-0.21 pp412th of 500
Total risk-based capital ratio14.61%-0.39 pp204th of 448
Net interest margin3.54%+0.55 pp284th of 500
Return on assets (ROA)1.02%+1.18 pp378th of 500
Efficiency ratio60.95%-11.76 pp344th of 500 (1 = lowest)
Unrealized gain/loss on available-for-sale securitiesLoss of $38.6 mnWidened by $28.4 mn
Noncurrent loans to total loans0.40%-1.16 pp149th of 500 (1 = lowest)
Net charge-offs to average loans0.69%+0.61 pp455th of 500 (1 = lowest)

US rank of Bank of Marin: 1 = highest unless marked 1 = lowest.

Balance sheet

Bank of Marin: assets, deposits and loans

USD bn
Total assets, deposits and net loans of Bank of Marin each quarter; total assets were $3.9 bn at Q2 2026$1.3bn$2.1bn$2.9bn$3.7bn$4.5bn20182020202220242026Bank of Napa merged inAmerican River Bank merged inTotal assets$3.9bnDeposits$3.4bnNet loans$2.1bnTotal assets, deposits and net loans of Bank of Marin each quarter; total assets were $3.9 bn at Q2 2026$1.3bn$2.3bn$3.4bn$4.5bn20202024
  • Total assets $3.9bn
  • Deposits $3.4bn
  • Net loans $2.1bn
to . FDIC Call Reports.

Capital and securities

The CET1 ratio of Bank of Marin stood at 13.69% in , -0.09 pp year on year. Low and high at Bank of Marin since : 12.63% () to 15.70% (). Equity capital of Bank of Marin at : $415.9 mn, or 10.8% of total assets. Bank of Marin also reported a total capital ratio of 14.61% for , and a tier 1 leverage ratio of 9.16%.

The available-for-sale portfolio of Bank of Marin showed an unrealized loss of $38.6 mn at ; the loss widened by $28.4 mn over the year.

Bank of Marin: capital ratios

Percent
CET1, total risk-based capital and tier 1 leverage ratios of Bank of Marin, Q1 2016 to Q2 20268.0%10%13%15%17%20182020202220242026Total capital15%CET114%Tier 1 leverage9.2%CET1, total risk-based capital and tier 1 leverage ratios of Bank of Marin, Q1 2016 to Q2 20268.0%11%14%17%20202024
  • Total capital 15%
  • CET1 14%
  • Tier 1 leverage 9.2%
to . FDIC Call Reports.

Bank of Marin: unrealized securities gains and losses

USD bn
Unrealized gains and losses on available-for-sale and held-to-maturity securities of Bank of Marin, Q1 2016 to Q2 2026-$162mn-$114mn-$66mn-$18mn$30mn20182020202220242026Held to maturity$0Available for sale-$39mnUnrealized gains and losses on available-for-sale and held-to-maturity securities of Bank of Marin, Q1 2016 to Q2 2026-$162mn-$98mn-$34mn$30mn20202024
  • Available for sale -$39mn
  • Held to maturity $0
to . FDIC Call Reports.

Profitability and loan quality

For the year to , Bank of Marin earned a return on equity of 9.66%; return on assets: 1.02%. Net interest margin at Bank of Marin: 3.54%, +0.55 pp in a year. Bank of Marin net income: $19.8 mn, down 765.1% year on year. The efficiency ratio of Bank of Marin was 60.95%: about 61 cents cost per revenue dollar, against 63 cents at the median peer.

At , noncurrent loans were 0.40% of total loans at Bank of Marin; net charge-offs: 0.69% of average loans. Gross loans and leases at Bank of Marin: $2.1 bn, up 1.3% in a year.

Bank of Marin: profitability

Percent, annualized
Return on equity, net interest margin and return on assets of Bank of Marin, Q1 2016 to Q2 2026-9.8%-4.1%1.6%7.3%13%20182020202220242026Return on equity9.7%Net interest margin3.5%Return on assets1.0%Return on equity, net interest margin and return on assets of Bank of Marin, Q1 2016 to Q2 2026-9.8%-2.2%5.4%13%20202024
  • Return on equity 9.7%
  • Net interest margin 3.5%
  • Return on assets 1.0%
to . FDIC Call Reports.

Peer group of Bank of Marin

The peer group of Bank of Marin is the 6 banks nearest to it by total assets at : 3 larger and 3 smaller. Of the peers, 3 share the charter type of Bank of Marin (state nonmember bank), 6 sit in the same size group ($1 bn to $10 bn) and 0 have head offices in California. Against them, Bank of Marin shows CET1 ratio 13.69% against a peer median of 11.59%, return on equity 9.66% against a peer median of 13.51% and uninsured deposit share 36.84% against a peer median of 38.36%.

BankCharterStateTotal assetsCET1 ratioReturn on equityUninsured share
Carrollton BankState nonmember bankIL$3.9 bn9.93%13.81%53.18%
Security Bank of Kansas CityState nonmember bankKS$3.9 bnnot reported13.50%35.48%
Gulf Coast Bank and Trust CompanyState nonmember bankLA$3.9 bn11.85%13.02%21.40%
Bank of MarinState nonmember bankCA$3.9 bn13.69%9.66%36.84%
Investar BankNational bankLA$3.9 bn13.51%11.66%34.14%
Capital BankNational bankMD$3.8 bn11.34%13.52%45.13%
Independence Bank of KentuckyState member bankKY$3.8 bnnot reported13.76%41.24%

. FDIC Call Reports.

Last eight quarters

Two years at Bank of Marin, to : assets +1.7%, deposits +2.2%, equity -1.5%. Staff 288 to 315.

MetricQ3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
Total assets$3.8 bn$3.7 bn$3.8 bn$3.7 bn$3.9 bn$3.9 bn$3.9 bn$3.9 bn
Total deposits$3.3 bn$3.2 bn$3.3 bn$3.3 bn$3.4 bn$3.5 bn$3.5 bn$3.4 bn
Bank equity capital$422.1 mn$425.0 mn$433.5 mn$407.1 mn$417.9 mn$403.6 mn$408.6 mn$415.9 mn
CET1 ratio14.60%14.91%15.25%13.78%13.92%12.69%13.17%13.69%
Return on equity (ROE)-4.22%-1.66%4.82%-1.41%1.55%-8.09%9.33%9.66%
Uninsured share of domestic deposits34.54%34.60%35.18%36.13%36.98%38.34%36.98%36.84%
Full-time equivalent employees288285291302304312309315
Number of offices2929292929292929

FDIC Call Reports.

Mergers and acquisitions

The FDIC history of Bank of Marin, oldest first; figures before and after each event are not like for like.

  1. . Absorbed Bank of Napa, N.A. (FDIC certificate 58138).
  2. . Absorbed American River Bank (FDIC certificate 24655).

Large one-quarter moves at Bank of Marin

  • Total assets at Bank of Marin changed by +38.6% in the quarter to 2021-09-30: Merger -Without Assistance; Participated in Absorbtion/Consolidation/Merger: acquired from American River Bank.

Questions and identifiers

What were the total assets of Bank of Marin?

Bank of Marin reported $3.9 bn at in its Call Report. That makes Bank of Marin the 340th largest of 497 banks in our US coverage.

Is Bank of Marin the same as its holding company?

No. This page covers Bank of Marin, FDIC certificate 32779; BANK OF MARIN BCORP (as reported to the FDIC), its holding company, reports separately to the Federal Reserve.

Is Bank of Marin profitable?

Bank of Marin reported net income of $19.8 mn for the year to ; annualized return on equity: 9.66%. So yes: Bank of Marin made a profit over these months.

When is data for Bank of Marin next updated?

Figures from Bank of Marin for are due after .

Where can I check the figures for Bank of Marin?

In the FDIC BankFind Suite record for certificate 32779, and in the Call Reports of Bank of Marin (RSSD ID 1436204) at the FFIEC Central Data Repository.