DIAMOND ENVIRONMENTAL SERVICES LP

USDOT 1811463 • 807 E MISSION RD, SAN MARCOS, CA, 92069

ACTIVE

Authority:None on file

Insurance:None on file

BOC-3:Not on file

Safety Rating:Not rated

MCS-150:Never updated

OOS Orders:None

Overview

Company profile from FMCSA Census File

USDOT

1,811,463

Status

ACTIVE

Operation

Intrastate (Non-Hazmat)

State

California

Phone

7607447191

[email protected]

Power Units (MCS-150)

319

Drivers (MCS-150)

223

MCS-150 Mileage

4,790,000

Physical Address

807 E MISSION RD, SAN MARCOS, CA, 92069

Contact

Phone: 7607447191

Email: [email protected]

Risk Signals1 flagged

HIGH

1 fatal crash in last 24 months

1 total fatality. See crash history below.

Signals are auto-detected from FMCSA public records. This is not a regulatory determination.

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Active Authority

Revoked / Inactive

Authority Types

Insurance Policies

None on file

BOC-3 Filing

Not on file

Operating Authority

fmcsa-authhistApr 5, 2026

No records found

No insurance filings found for this carrier in FMCSA records.

Check FMCSA SAFER for current insurance status

Safety & Inspections

SMS BASIC scores, inspection history, and out-of-service rates

SMS BASIC Scores

Driver Fitness

Drugs / Alcohol

Hours of Service

N/A

Unsafe Driving

Vehicle Maintenance

Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.

Inspections

Violations

105

26 OOS

Vehicle OOS %

16.1%

Driver OOS %

3.2%

Power Units (MCS-150)

319

Drivers (MCS-150)

223

Crash Records

Inspection Activity (24 months)

Monthly inspection counts with OOS months highlighted. Hover bars for details.

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

Clean monthMonth with OOSBased on latest 93 of 93 inspection records

Inspection Activity Map

1 state • 93 inspections

None Low Medium High🚛 Home base

Violation Summary (105 violations from 93 inspections)

fmcsa-inspection-file

Violation Summary (105 violations from 93 inspections)
Code	Description	# Violations	# OOS	Severity Wt	BASIC
FMCSR:392.2-SLLSR	Operating a CMV while ill or fatigued	11	0	8	Unsafe Driving
FMCSR:392.2	Operating a CMV while ill or fatigued	11	1	8	Unsafe Driving
FMCSR:396.3(a)(1)	Inspection/repair/maintenance - general	7	4	5	Vehicle Maintenance
FMCSR:393.9(a)	Inoperable required lamps	6	0	3	Vehicle Maintenance
FMCSR:393.11A1-LRR	Lighting devices/reflectors	4	0	3	Vehicle Maintenance
FMCSR:392.2-SLLEQP	Operating a CMV while ill or fatigued	4	0	8	Unsafe Driving
FMCSR:393.9A-LCL	Inoperable required lamps	2	0	3	Vehicle Maintenance
FMCSR:393.9A-LLPL	Inoperable required lamps	2	0	3	Vehicle Maintenance
FMCSR:393.11A1-LSML	Lighting devices/reflectors	2	0	3	Vehicle Maintenance
FMCSR:393.9A-LFTSI	Inoperable required lamps	2	0	3	Vehicle Maintenance
FMCSR:392.2-SLLEWA1	Operating a CMV while ill or fatigued	2	0	8	Unsafe Driving
FMCSR:393.95A4-EEUS	Emergency Equipment - Fire Extinguishers - unsecured	2	0	—	Vehicle Maintenance
FMCSR:396.5B-L	Fuel system leak	2	0	7	Vehicle Maintenance
FMCSR:393.75(b)	Tire tread depth insufficient (steer)	2	0	7	Vehicle Maintenance
FMCSR:393.11	Lighting devices/reflectors	2	0	3	Vehicle Maintenance
FMCSR:396.7	Unsafe operations forbidden	2	1	—	Vehicle Maintenance
FMCSR:393.45(b)(2)	Brake tubing/hoses inadequate	2	0	7	Vehicle Maintenance
FMCSR:393.95(a)	Emergency equipment - fire extinguisher missing/defective	2	0	5	Vehicle Maintenance
FMCSR:393.9A-LIL	Inoperable required lamps	1	0	3	Vehicle Maintenance
FMCSR:393.110B3-C	Cargo securement - logs	1	1	7	Vehicle Maintenance
FMCSR:383.95A-LCDL	Restriction - (CDL) - Operate a CMV in violation of a restriction	1	1	—	Driver Fitness
FMCSR:390.3E3-MC	390.3E3-MC	1	0	—	General/Admin
FMCSR:392.2-SLLCP	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:393.95F	Emergency Equipment - Stopped vehicle warning devices missing or improper	1	0	—	Vehicle Maintenance
FMCSR:383.91A-LCDL	No CDL endorsement	1	1	8	Driver Fitness
FMCSR:396.3A1-F	Fuel - Dripping leak.	1	1	—	Vehicle Maintenance
FMCSR:393.71H10-CDDSDNS	Fifth wheel defective	1	1	8	Vehicle Maintenance
FMCSR:383.23A2-LCDLN	License (CDL) - Operate a CMV and does not possess a valid CDL	1	1	—	Driver Fitness
FMCSR:393.47B-BMBCAD-SA	Brake actuators/chambers defective	1	1	7	Vehicle Maintenance
FMCSR:393.207A-SAPPAS	Suspension defective	1	1	7	Vehicle Maintenance
FMCSR:393.11A1-LIL	Lighting devices/reflectors	1	0	3	Vehicle Maintenance
FMCSR:393.100B-C	Cargo securement - aggregate working load	1	1	6	Vehicle Maintenance
FMCSR:393.45B2-BHTD	Brake tubing/hoses inadequate	1	1	7	Vehicle Maintenance
FMCSR:392.2-SLLDL	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:392.2-SLLEWA2	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:396.3A1-ALBV	Air Brake - Any leak from a brake valve	1	0	—	Vehicle Maintenance
FMCSR:390.21TB1-MC	390.21TB1-MC	1	0	—	General/Admin
FMCSR:396.5-HL	Hubs - Leaking hub	1	0	—	Vehicle Maintenance
FMCSR:393.75A3-TAOL	Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS	1	1	—	Vehicle Maintenance
FMCSR:177.834A-HMC	General loading/unloading hazmat	1	1	6	Hazardous Materials
FMCSR:392.2-SLLTCD	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:393.201(d)	Frame accessories improperly attached	1	0	—	Vehicle Maintenance
FMCSR:393.106(d)	Cargo securement - front end structure	1	1	5	Vehicle Maintenance
FMCSR:393.110(b)	Cargo securement - logs	1	1	7	Vehicle Maintenance
FMCSR:393.88	Television/video display device - Improperly located	1	0	—	Vehicle Maintenance
FMCSR:396.5(b)	Fuel system leak	1	0	7	Vehicle Maintenance
FMCSR:393.30	Battery improperly secured	1	0	3	Vehicle Maintenance
FMCSR:391.11(b)(4)	No valid medical certificate	1	1	7	Driver Fitness
FMCSR:393.75(a)(3)	Tire-flat and/or audible air leak	1	1	—	Vehicle Maintenance
FMCSR:393.203(b)	Cab/body improperly secured to frame	1	0	—	Vehicle Maintenance
FMCSR:393.100(b)	Cargo securement - aggregate working load	1	1	6	Vehicle Maintenance
FMCSR:393.45	Brake tubing/hoses inadequate	1	1	7	Vehicle Maintenance
FMCSR:393.43(d)	Brake - relay emergency valve	1	1	7	Vehicle Maintenance
FMCSR:393.48(a)	Inoperative/defective brakes	1	1	8	Vehicle Maintenance
FMCSR:393.60(d)	Glazing/window obstructions	1	0	4	Vehicle Maintenance
FMCSR:393.26	Requirements for reflectors	1	0	—	Vehicle Maintenance

Peer Context

This carrier vs national averages. Lower is better for all metrics.

Vehicle OOS Rate

16.1%vs nat'l 23.4%

-7.3 pts below avg

Driver OOS Rate

3.2%vs nat'l 6.7%

-3.5 pts below avg

Violations / Inspection

1.13vs nat'l 1.80

-0.67 below avg

National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.

Inspection History (93 inspections)

Showing 50 of 93

fmcsa-inspectionsApr 5, 2026

Inspection History (93 inspections)
Date	Report #	Station	State	Level	Vehicle	Violations	Top Codes	OOS
Mar 26, 2026	87412762	RIALTO	CA	Level 2	HINO STRAIGHT TRUCK	2	393.9A-LCL, 393.9A-LIL	No
Mar 25, 2026	87444842	RAINBOW IF	CA	Level 1	KW TRUCK TRACTOR	0	—	No
Mar 11, 2026	87277995	DESERT HILLS IF	CA	Level 3	FRHT STRAIGHT TRUCK	0	—	No
Jan 16, 2026	86846879	CONEJO IF S/B	CA	Level 3	FRHT STRAIGHT TRUCK	1	393.110B3-C	Yes
Jan 6, 2026	86742952	RAINBOW IF (NORTHBOUND)	CA	Level 1	FRHT STRAIGHT TRUCK	0	—	No
Dec 31, 2025	86718294	RAINBOW IF	CA	Level 1	HINO STRAIGHT TRUCK	1	393.9A-LLPL	No
Dec 22, 2025	86645337	CARSON PLATFORM SCALES	CA	Level 1	FRHT STRAIGHT TRUCK	0	—	No
Oct 29, 2025	86186097	CARSON	CA	Level 2	FRHT STRAIGHT TRUCK	1	393.11A1-LSML	No
Oct 15, 2025	86082050	RAINBOW IF	CA	Level 1	FRHT STRAIGHT TRUCK	0	—	No
Oct 9, 2025	86008226	KEARNY VILLA RD W/OF RUFFIN RD	CA	Level 1	FRHT STRAIGHT TRUCK	4	383.95A-LCDL, 390.3E3-MC, 393.9A-LCL	Yes
Aug 27, 2025	85624484	Roadside	CA	Level 3	ACRO SEMI-TRAILER	3	392.2-SLLCP, 392.2-SLLSR, 393.95F	No
Jul 24, 2025	85343541	CAJON SCALES	CA	Level 1	HINO STRAIGHT TRUCK	2	383.91A-LCDL, 396.3A1-F	Yes
Jul 23, 2025	85313046	W/B SCOTT RD E/OF MENIFEE RD	CA	Level 1	FRHT STRAIGHT TRUCK	0	—	No
Jul 15, 2025	85279840	RAINBOW IF (SOUTHBOUND)	CA	Level 1	FRHT STRAIGHT TRUCK	0	—	No
Jul 2, 2025	85121398	SAN ONOFRE IF	CA	Level 3	TRLK SEMI-TRAILER	0	—	No
Jul 1, 2025	85104698	DESERT HILLS IF	CA	Level 2	FRHT STRAIGHT TRUCK	2	393.9A-LFTSI, 393.71H10-CDDSDNS	Yes
Jun 30, 2025	85104765	RIALTO	CA	Level 2	HINO STRAIGHT TRUCK	1	392.2-SLLSR	No
Jun 27, 2025	85094463	CONEJO PLATFORM SCALE	CA	Level 1	FRHT STRAIGHT TRUCK	0	—	No
Jun 25, 2025	85053866	DESERT HILLS IF	CA	Level 1	PTRB STRAIGHT TRUCK	5	392.2-SLLSR, 383.23A2-LCDLN, 393.47B-BMBCAD-SA	Yes
Jun 4, 2025	84904825	RAINBOW IF	CA	Level 2	FRHT STRAIGHT TRUCK	0	—	No
May 1, 2025	84584724	RAINBOW IF	CA	Level 1	PTRB STRAIGHT TRUCK	0	—	No
Apr 26, 2025	84524574	TEMECULA PKWY E OF BUTTERFIELD	CA	Level 1	HINO STRAIGHT TRUCK	1	393.11A1-LIL	No
Apr 24, 2025	84499217	DESERT HILLS IF	CA	Level 1	FRHT STRAIGHT TRUCK	1	393.100B-C	Yes
Apr 21, 2025	84460692	EB SR-91 PERALTA SCALE	CA	Level 2	HINO STRAIGHT TRUCK	0	—	No
Apr 10, 2025	84396302	REMOTE SITE	CA	Level 1	FRHT STRAIGHT TRUCK	0	—	No
Mar 20, 2025	84195290	SAN ONOFRE IF	CA	Level 2	PTRB STRAIGHT TRUCK	3	392.2-SLLSR, 392.2-SLLEQP	No
Mar 18, 2025	84185872	RAINBOW IF (NORTHBOUND)	CA	Level 1	PTRB STRAIGHT TRUCK	2	393.45B2-BHTD, 392.2-SLLDL	Yes
Mar 15, 2025	84151462	SAN ONOFRE IF	CA	Level 2	HINO STRAIGHT TRUCK	0	—	No
Mar 11, 2025	84097888	SAN ONOFRE IF	CA	Level 2	FRHT STRAIGHT TRUCK	2	393.9A-LFTSI, 392.2-SLLSR	No
Feb 17, 2025	83913576	RAINBOW IF	CA	Level 3	PTRB TRUCK TRACTOR	3	392.2-SLLEWA1, 392.2-SLLEWA2	No
Feb 11, 2025	83852104	DESERT HILLS IF	CA	Level 1	FRHT STRAIGHT TRUCK	0	—	No
Feb 4, 2025	83813806	RAINBOW IF	CA	Level 1	PTRB STRAIGHT TRUCK	6	393.95A4-EEUS, 393.9A-LLPL, 393.11A1-LSML	No
Jan 23, 2025	83684197	Roadside	CA	Level 1	FRHT STRAIGHT TRUCK	5	393.11A1-LRR, 392.2-SLLEQP, 392.2-SLLSR	No
Jan 17, 2025	83641558	VICTORVILLE CHP AREA	CA	Level 3	FRHT STRAIGHT TRUCK	0	—	No
Jan 16, 2025	83642127	S/IOWA AVE S/OF MARLBOROUGH AV	CA	Level 3	HINO STRAIGHT TRUCK	0	—	No
Dec 31, 2024	83540551	RAINBOW IF	CA	Level 2	FRHT STRAIGHT TRUCK	5	392.2-SLLSR, 390.21TB1-MC, 392.2-SLLEQP	No
Dec 30, 2024	83528545	CAJON SCALES	CA	Level 1	HINO STRAIGHT TRUCK	0	—	No
Dec 24, 2024	83481647	SANTO N/OF SR-52	CA	Level 1	HINO STRAIGHT TRUCK	3	392.2-SLLSR, 393.11A1-LRR, 396.5-HL	No
Dec 23, 2024	83469723	ONTARIO	CA	Level 2	HINO STRAIGHT TRUCK	2	393.75A3-TAOL, 177.834A-HMC	Yes
Nov 19, 2024	83207544	TUSTIN	CA	Level 3	HINO STRAIGHT TRUCK	1	392.2-SLLTCD	No
Oct 24, 2024	82994472	EB SR-91 PERALTA SCALE	CA	Level 1	FRHT STRAIGHT TRUCK	0	—	No
Oct 14, 2024	82913405	RIVERSIDE AREA	CA	Level 1	PTRB STRAIGHT TRUCK	2	393.75(b), 393.201(d)	No
Oct 7, 2024	82852170	405 NB CARSON SCALES	CA	Level 1	FRHT STRAIGHT TRUCK	0	—	No
Sep 30, 2024	82797599	PERALTA SCALES E/B	CA	Level 1	FRHT STRAIGHT TRUCK	2	393.11, 393.106(d)	Yes
Sep 21, 2024	82739235	SAN ONOFRE IF	CA	Level 3	KW STRAIGHT TRUCK	0	—	No
Aug 26, 2024	82502050	SAN DIEGO	CA	Level 1	KW STRAIGHT TRUCK	3	393.9(a), 393.11, 393.75(b)	No
Aug 21, 2024	82530199	MAIN STREET N/OF COLUMBIA AVE	CA	Level 2	HINO STRAIGHT TRUCK	0	—	No
Aug 19, 2024	82438788	Roadside	CA	Level 1	FRHT STRAIGHT TRUCK	4	393.110(b), 396.7, 393.9(a)	Yes
Aug 6, 2024	82329455	CONEJO CVEF	CA	Level 1	FRHT STRAIGHT TRUCK	4	393.88, 393.45(b)(2), 396.5(b)	No
Aug 2, 2024	82305094	SAN ONOFRE IF	CA	Level 1	TRLK SEMI-TRAILER	2	392.2, 396.3(a)(1)	Yes

View all 93 records

View all 93 inspections →

Inspection analytics

Monthly cadence, frequent stations, and violation mix

Inspections per month (24 mo)

61 total · 21.3% OOS

2024-042026-03

InspectionsOOS

Most frequent inspection stations

RAINBOW IF15 · 2 OOS

SAN ONOFRE IF12 · 2 OOS

DESERT HILLS IF10 · 4 OOS

RIALTO4 · 1 OOS

OTAY MESA IF3

ONTARIO2 · 1 OOS

CARSON PLATFORM SCALES2

EB SR-91 PERALTA SCALE2

Violations by BASIC category

Vehicle Maintenance66 · 20 OOS

Unsafe Driving32 · 1 OOS

Driver Fitness4 · 4 OOS

General/Admin2

Hazardous Materials1 · 1 OOS

Recent Crashes

25 crash records from FMCSA Crash File

Total Crashes

Fatalities

Fatal crashes on record

Injuries

Across 12 crashes

Tow-Aways

Crash History (25 records)

fmcsa-crash-fileApr 5, 2026

Crash History (25 records)
Date	State	Severity	Fatalities	Injuries	City	Location	VIN	Carrier Name at Crash
May 15, 2025	CA	TOW	0	0	LONG BEACH	33.872834/-118.204996	...464878	DIAMOND ENVIRONMENTAL SERVICES LP
Jan 23, 2025	CA	FATAL	1	0	UNINCORPORATED	33.107529/-117.045153	...GC7925	DIAMOND ENVIRONMENTAL SERVICES LP
Jun 21, 2024	CA	INJURY	0	1	UPLAND	34.103505/-117.650937	...705668	DIAMOND ENVIRONMENTAL SERVICES LP
Jan 29, 2024	CA	TOW	0	0	SAN GABRIEL	34.103409/-118.089776	...S54289	DIAMOND ENVIRONMENTAL SERVICES LP
Jan 28, 2024	CA	TOW	0	0	SAN DIEGO	32.821110/-117.163100	...S79969	DIAMOND ENVIRONMENTAL SERVICES LP
May 15, 2023	CA	TOW	0	0	LONG BEACH	33.7558524/-118.2042232	...S54285	DIAMOND ENVIRONMENTAL SERVICES LP
Apr 17, 2023	CA	INJURY	0	3	SAN DIEGO	5700 MIRAMAR RD	...S79967	DIAMOND ENVIRONMENTAL SERVICES LP
Mar 21, 2023	CA	INJURY	0	1	UNINCORPORATED	RT10/.59MI W OF MALKI RD	...BU8508	DIAMOND ENVIRONMENTAL SERVICES LP
Apr 19, 2022	CA	TOW	0	0	WEST HOLLYWOOD	FOUNTAIN AV/ 25 W OF HARPER AV	...160534	DIAMOND ENVIRONMENTAL SERVICES LP
Mar 2, 2022	CA	INJURY	0	1	YUCAIPA	COUNTY LINE RD/4TH ST	...S57120	DIAMOND ENVIRONMENTAL SERVICES LP
Feb 14, 2022	CA	TOW	0	0	ONTARIO	RT10 WB/.3m E EUCLID AV	...058554	DIAMOND ENVIRONMENTAL SERVICES LP
Jan 31, 2022	CA	INJURY	0	1	UNINCORPORATED	SR78/460ft E YAQUI PASS RD	...S57071	DIAMOND ENVIRONMENTAL SERVICES LP
Dec 11, 2021	CA	TOW	0	0	SAN DIEGO	RT805 SB/150ft N UNIVERSITY AV O/C	...FB4829	DIAMOND ENVIRONMENTAL SERVICES LP
Dec 4, 2021	CA	INJURY	0	1	SAN DIEGO	CATALINA BLVD / VOLTAIRE ST	...S53515	DIAMOND ENVIRONMENTAL SERVICES LP
Dec 3, 2020	CA	INJURY	0	1	—	—	—	—
Aug 13, 2020	CA	TOW	0	0	—	—	—	—
Mar 4, 2019	CA	INJURY	0	1	—	—	—	—
Jun 18, 2018	CA	TOW	0	0	—	—	—	—
Mar 23, 2018	CA	TOW	0	0	—	—	—	—
Sep 7, 2017	CA	INJURY	0	1	—	—	—	—
Aug 3, 2017	CA	INJURY	0	2	—	—	—	—
May 23, 2017	CA	TOW	0	0	—	—	—	—
Apr 18, 2017	CA	INJURY	0	1	—	—	—	—
Sep 7, 2016	CA	INJURY	0	1	—	—	—	—
Apr 25, 2016	CA	TOW	0	0	—	—	—	—