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Mechanics Bank Locations & Branches Walnut Creek, California
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Mechanics Bank operates 167 branches from its headquarters in Walnut Creek, CA, .
Mechanics Bank branch network
Its 167 branches span 4 states and 140 cities. The most are in CALIFORNIA (132), WASHINGTON (28) and HAWAII (4). CALIFORNIA holds 87.9% of its branch deposits. Seattle, WA has the most of its branches, 11. Its largest office by deposits is the Newport Beach Branch office in Newport Beach, CA, with $1.57B (8.6% of its branch deposits). On June 30, 2025 it had 112 branches, 55 fewer than in 2026.
Mechanics Bank at a glance
Its CET1 capital ratio was 15.48% at Q2 2026, comfortably above the 7% level required once the capital conservation buffer is included.
- Total assets, Q2 2026
- $21.25B
- CET1 ratio, Q2 2026
- 15.48%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Established
- 1905
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Deposit market share
Share of all FDIC-insured deposits held in each area, from the June 30, 2026 Summary of Deposits. Rank 1 is the largest holder. Shares are by bank charter, not by holding company.
| Area | Rank | Deposit share | Deposits |
|---|---|---|---|
| City: Walnut Creek, CA (2 branches) | 6 of 26 | 7.8% | $948.4M |
| State: CA (132 branches) | 17 of 164 | 0.9% | $15.91B |
Ranked by total assets among banks headquartered in the state: Largest banks in California.
Share by county and metro area
Mechanics Bank's share of FDIC-insured deposits in the counties and metro areas where it has branches, from the June 30, 2026 Summary of Deposits. Up to the ten largest of each are shown, by the bank's deposits. Rank 1 is the largest holder. Banks only: credit unions are not in the Summary of Deposits.
Counties
| County | Rank | Deposit share | Deposits | County total |
|---|---|---|---|---|
| Contra Costa, CA (15 branches) | 5 of 30 | 6.3% | $3.16B | $50.49B |
| Orange, CA (2 branches) | 17 of 73 | 1.0% | $1.58B | $156.41B |
| San Luis Obispo, CA (12 branches) | 2 of 14 | 17.0% | $1.47B | $8.66B |
| Santa Barbara, CA (12 branches) | 6 of 20 | 7.6% | $1.07B | $14.10B |
| King, WA (18 branches) | 11 of 38 | 1.0% | $1.06B | $104.11B |
| Monterey, CA (9 branches) | 4 of 13 | 8.9% | $1.05B | $11.81B |
| Placer, CA (1 branch) | 7 of 26 | 6.1% | $884.2M | $14.42B |
| Ventura, CA (7 branches) | 6 of 20 | 3.5% | $803.4M | $23.23B |
| Alameda, CA (4 branches) | 14 of 37 | 1.0% | $681.2M | $69.04B |
| Imperial, CA (3 branches) | 1 of 6 | 26.6% | $618.2M | $2.33B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| San Francisco-Oakland-Berkeley, CA (21 branches) | 12 of 69 | 0.8% | $4.01B | $512.65B |
| Los Angeles-Long Beach-Anaheim, CA (12 branches) | 33 of 107 | 0.3% | $2.12B | $664.11B |
| San Luis Obispo-Paso Robles, CA (12 branches) | 2 of 14 | 17.0% | $1.47B | $8.66B |
| Seattle-Tacoma-Bellevue, WA (25 branches) | 13 of 43 | 1.0% | $1.42B | $142.98B |
| Santa Maria-Santa Barbara, CA (12 branches) | 6 of 20 | 7.6% | $1.07B | $14.10B |
| Salinas, CA (9 branches) | 4 of 13 | 8.9% | $1.05B | $11.81B |
| Sacramento-Roseville-Folsom, CA (2 branches) | 12 of 37 | 1.0% | $948.8M | $96.40B |
| Oxnard-Thousand Oaks-Ventura, CA (7 branches) | 6 of 20 | 3.5% | $803.4M | $23.23B |
| Riverside-San Bernardino-Ontario, CA (10 branches) | 17 of 35 | 0.9% | $709.8M | $79.56B |
| El Centro, CA (3 branches) | 1 of 6 | 26.6% | $618.2M | $2.33B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Newport Beach Branch | Newport Beach, CA | 92660 | $1.57B |
| Walnut Creek Office | Walnut Creek, CA | 94596 | $948.4M |
| North Roseville Retail Branch Office | Roseville, CA | 95678 | $884.2M |
| Klose Way Branch | Richmond, CA | 94806 | $830.7M |
| Salinas Branch | Salinas, CA | 93901 | $338.5M |
| El Centro Main | El Centro, CA | 92243 | $318.8M |
| Berkeley Office | Berkeley, CA | 94704 | $250.8M |
| El Cerrito Branch | El Cerrito, CA | 94530 | $239.9M |
| Honolulu Branch | Honolulu, HI | 96813 | $233.9M |
| Pinole Branch | Pinole, CA | 94564 | $228.0M |
| Brawley Branch | Brawley, CA | 92227 | $221.9M |
| Santa Maria-South Broadway Branch | Santa Maria, CA | 93454 | $191.0M |
| Grand Avenue Branch | Arroyo Grande, CA | 93420 | $184.1M |
| Westlake Village Branch | Westlake Village, CA | 91362 | $176.9M |
| Morro Bay Branch | Morro Bay, CA | 93442 | $174.3M |
| North Berkeley Branch | Berkeley, CA | 94707 | $173.1M |
| Camarillo Branch | Camarillo, CA | 93010 | $169.7M |
| Broad Street Branch | San Luis Obispo, CA | 93401 | $165.5M |
| Wedgwood Branch | Seattle, WA | 98115 | $160.2M |
| Los Banos Branch | Los Banos, CA | 93635 | $155.1M |
| Paso Robles Branch | Paso Robles, CA | 93446 | $149.3M |
| Napa Branch | Napa, CA | 94558 | $142.8M |
| Oak Park Branch | Pismo Beach, CA | 93449 | $142.7M |
| Seaside Branch | Seaside, CA | 93955 | $141.8M |
| Atascadero Branch | Atascadero, CA | 93422 | $138.7M |
| Orinda Branch | Orinda, CA | 94563 | $136.1M |
| Riverlakes Drive Office Branch | Bakersfield, CA | 93312 | $135.9M |
| Albany Branch | Albany, CA | 94706 | $135.6M |
| Orcutt-Oak Knolls Branch | Santa Maria, CA | 93455 | $131.1M |
| Hesperia Branch | Hesperia, CA | 92345 | $128.0M |
| Oakland Branch | Oakland, CA | 94612 | $121.7M |
| Nipomo Branch | Nipomo, CA | 93444 | $121.3M |
| Gonzales Branch | Gonzales, CA | 93926 | $119.9M |
| County Center Branch | Ventura, CA | 93003 | $118.8M |
| Kensington Branch | Kensington, CA | 94707 | $118.4M |
| Indio Branch | Indio, CA | 92201 | $115.9M |
| Mooney Bouleard Branch | Visalia, CA | 93277 | $114.4M |
| Downtown Oxnard Branch | Oxnard, CA | 93030 | $108.9M |
| Mt. Shasta Branch | Mount Shasta, CA | 96067 | $108.7M |
| Tulare Branch | Tulare, CA | 93274 | $107.5M |
| Stockdale Highway Branch | Bakersfield, CA | 93309 | $107.4M |
| Lompoc Branch | Lompoc, CA | 93436 | $105.8M |
| South Paradise Branch | Paradise, CA | 95969 | $104.7M |
| Lafayette Branch | Lafayette, CA | 94549 | $104.0M |
| San Pablo Branch | San Pablo, CA | 94806 | $103.7M |
| Fort Jones Branch | Fort Jones, CA | 96032 | $103.3M |
| Santa Ynez Branch | Santa Ynez, CA | 93460 | $103.2M |
| Hanford Branch | Hanford, CA | 93230 | $102.6M |
| Watonsville Branch | Watsonville, CA | 95076 | $100.1M |
| Pasadena Branch | Pasadena, CA | 91101 | $99.4M |
| Mira Vista Branch | Richmond, CA | 94805 | $98.9M |
| Ojai Valley Bank Branch | Ojai, CA | 93023 | $98.7M |
| San Rafael Office | San Rafael, CA | 94901 | $97.2M |
| Happy Camp Branch | Happy Camp, CA | 96039 | $96.8M |
| Point Richmond Office | Point Richmond, CA | 94801 | $94.9M |
| Grover Beach Branch | Grover Beach, CA | 93433 | $94.7M |
| Reedley Branch | Reedley, CA | 93654 | $94.6M |
| Goleta Valley Branch | Goleta, CA | 93117 | $94.4M |
| Buellton Branch | Buellton, CA | 93427 | $93.8M |
| Merced Branch | Merced, CA | 95340 | $92.1M |
| Soledad Branch | Soledad, CA | 93960 | $91.2M |
| El Sobrante Branch | El Sobrante, CA | 94803 | $91.0M |
| Los Osos Branch | Los Osos, CA | 93402 | $90.8M |
| East Main Branch | Santa Maria, CA | 93454 | $90.2M |
| Oroville Branch | Oroville, CA | 95966 | $89.0M |
| Hilo Branch | Hilo, HI | 96720 | $86.6M |
| Point Loma Branch | San Diego, CA | 92106 | $85.6M |
| Kahala Branch | Honolulu, HI | 96816 | $85.5M |
| Truxton Avenue Branch | Bakersfield, CA | 93301 | $85.3M |
| Cambria Branch | Cambria, CA | 93428 | $84.4M |
| Panorama City Branch | Panorama City, CA | 91402 | $84.1M |
| King City Branch | King City, CA | 93930 | $83.9M |
| Hollister Branch | Hollister, CA | 95023 | $83.7M |
| Seattle Branch | Seattle, WA | 98101 | $83.2M |
| Redmond Branch | Redmond, WA | 98052 | $81.4M |
| Blythe Branch | Blythe, CA | 92225 | $81.0M |
| Crown Hill Branch | Seattle, WA | 98117 | $80.6M |
| Westridge Branch | Salinas, CA | 93907 | $79.6M |
| Mountlake Terrace Branch | Mountlake Terrace, WA | 98043 | $79.4M |
| Yuba City Branch | Yuba City, CA | 95993 | $77.9M |
| Holtville Branch | Holtville, CA | 92250 | $77.4M |
| Concord Branch | Concord, CA | 94520 | $76.2M |
| Mechanics Bank Palm Desert Branch | Palm Desert, CA | 92260 | $74.6M |
| South Chico Branch | Chico, CA | 95928 | $74.6M |
| Dinuba Branch | Dinuba, CA | 93618 | $74.5M |
| Granada Hills Branch | Granada Hills, CA | 91344 | $74.2M |
| Downtown Ventura | Ventura, CA | 93001 | $73.5M |
| Tigard Branch | Tigard, OR | 97224 | $70.7M |
| Newcastle Branch | Newcastle, WA | 98059 | $70.5M |
| Pacific Grove Branch | Pacific Grove, CA | 93950 | $70.3M |
| Coachella Branch | Coachella, CA | 92236 | $69.8M |
| Lynnwood Branch | Lynnwood, WA | 98036 | $68.2M |
| Yreka Branch | Yreka, CA | 96097 | $68.0M |
| Federal Way Branch | Federal Way, WA | 98003 | $67.9M |
| San Francisco Branch | San Francisco, CA | 94104 | $67.5M |
| Bakersfield Gosford Branch | Bakersfield, CA | 93309 | $66.6M |
| Castroville Branch | Castroville, CA | 95012 | $66.3M |
| West Seattle Branch | Seattle, WA | 98116 | $65.0M |
| El Dorado Hills Branch | El Dorado Hills, CA | 95762 | $64.6M |
| Fresno Branch | Fresno, CA | 93720 | $64.5M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 1768) · FFIEC NIC profile (RSSD 936462)