Key Takeaway

Ojai Quarry is a active surface mine producing Stone, located in Ojai, Ventura County, CA. It has 49 violations on record (10 S&S) and $6K in proposed penalties. Operated by MRC Rock & Sand, LLC..

Ojai Quarry

Active Surface Stone

Operator: MRC Rock & Sand, LLC.

Controller: Roko Grbic; Mile Grbic

Location: Ojai, Ventura County, CA

Employees: 2

49
Violations
10
S&S Violations
0
Accidents
$6K
Penalties

Recent Violations

View all 49 →
Date Section S&S Negligence Penalty
03/04/2026 56.14132(b)(1)(i) Non-S&S LowNegligence $0
03/04/2026 46.8(a)(1) Non-S&S ModNegligence $0
07/16/2025 50.30(a) Non-S&S HighNegligence $0
03/26/2024 56.12013 Non-S&S ModNegligence $147
03/23/2017 56.11012 S&S ModNegligence $116
03/23/2017 56.12004 Non-S&S ModNegligence $116
06/29/2016 56.14107(a) Non-S&S ModNegligence $114
06/29/2016 56.12028 Non-S&S ModNegligence $114
07/02/2013 56.14100(c) S&S ModNegligence $108
08/18/2010 41.10 Non-S&S ModNegligence $100
08/18/2010 56.14132(a) Non-S&S ModNegligence $100
09/29/2009 56.14132(a) Non-S&S LowNegligence $100
09/29/2009 56.4201(a)(2) Non-S&S ModNegligence $100
10/16/2008 56.4203 Non-S&S ModNegligence $117
05/13/2008 56.14132(a) Non-S&S ModNegligence $100
05/13/2008 56.14100(b) Non-S&S ModNegligence $100
05/13/2008 56.14132(a) Non-S&S ModNegligence $100
02/26/2008 56.3200 S&S ModNegligence $263
02/26/2008 56.3200 S&S ModNegligence $263
02/26/2008 56.4203 Non-S&S ModNegligence $100

Inspections

View all 44 →
Begin End Hours Inspectors
03/04/2026 0.00 0
03/17/2025 03/19/2025 19.00 1
03/25/2024 03/26/2024 13.50 1
05/22/2018 05/22/2018 10.00 1
02/07/2018 02/07/2018 18.00 1
07/11/2017 07/12/2017 25.25 1
03/22/2017 03/24/2017 18.25 1
06/29/2016 07/01/2016 16.00 1
02/23/2016 02/24/2016 14.25 1
01/08/2015 01/08/2015 10.50 1

Mine Details

MSHA Mine ID0405229
Mine TypeSurface
StatusActive
CommodityStone
SIC DescriptionCrushed, Broken Granite
Employees2
Days/Week5.0
Hours/Shift8.0
Coordinates34.4858330, -119.3022220
Nearest TownOjai

Frequently Asked Questions

How many MSHA violations does Ojai Quarry have?

Ojai Quarry has 49 MSHA violations on record, of which 10 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $6K.

What type of mine is Ojai Quarry?

Ojai Quarry is a Surface mine producing Stone, located in Ojai, Ventura County, CA. It currently has 2 employees.

Has anyone been injured or killed at Ojai Quarry?

According to MSHA records, Ojai Quarry has 0 reported accident/injury records and 0 fatalities on file.

Who operates Ojai Quarry?

Ojai Quarry is operated by MRC Rock & Sand, LLC. and controlled by Roko Grbic; Mile Grbic. MSHA Mine ID: 0405229.