Special Inspectors

The following list of approved special inspectors are being provided to you as a courtesy. Please contact the person or firm directly to discuss utilizing their services.  

2025 List of Approved Special Inspectors


AESCO

17782 Georgetown Lane
Huntington Beach, CA 92647
(714) 375-3830 

info@aescotech.com


Advantage Technical Services Inc.

6661 Fern Canyon Rd

San Luis Obispo, CA 93401

(805) 595-2282

ats-slo.com


Beacon Geotechnical, Inc.

PO Box 4814

Paso Robles, CA 93447

(805) 239-9457

beacongeotechnical@gmail.com


Butano Geotechnical Engineering, Inc.

404 Westridge Drive, Watsonville, CA 95076

(831) 724-2612

www.butanogeotech.com


DC Inspections, Inc. 

170 Granada Dr.
San Luis Obispo CA 93401
(805) 392-5100

www.dcinspections.com


ENGEO, Inc.

2646 Santa Maria Way, Suite 107

Santa Maria, CA 93455

(805) 888-1110

info@engeo.com


Geoboden, Inc.

5 Hodgenville

Irvine, CA 92620

(949) 872-9565


GeoSolutions, Inc.

220 High Street

San Luis Obispo, CA 93401

(805) 543-8539

info@geosolutions.net


Krazan and Associates, Inc.
2205 Coy Ave
Bakersfield, CA 93307
(661) 837-9200


JW Tower Inspection Consultants, Inc.

2219 Clear Ridge Dr
Kingwood, TX 77339
(346) 988-6754


Pacific Coast Testing

P.O. Box 6835 

Santa Maria, CA 93456

(805) 631-5108


SALEM Engineering Group, Inc.

4729 W. Jacquelyn Avenue 

Fresno, CA 93722

(559) 271-9700 - Office

info@salem.net


2024 List of Approved Special Inspectors

Adrian Arredondo

Arredondo61741@gmail.com

(714) 600-4817

 

Arrow Engineering Corp. 

42138 Tenth Street West

Lancaster, CA. 93534-70044

(661) 949-2525

www.eng-arrow.com

 

Beacon Geotechnical

P.O. Box 4814

Paso Robles, CA 93447

(805) 239-9457

beacongeotechnical@gmail.com

https://beacongeotechnical.com

 

DC Inspections, Inc. 

170 Granada Dr, Unit D 

San Luis Obispo, CA 93401 

(805) 392-5100

www.dcinspections.com


Earth Systems Pacific 

4378 Old Santa Fe Road 

San Luis Obispo, CA 93401 

(805) 928-2991

www.earthsystems.com


GeoSolutions, Inc.

220 High Street

San Luis Obispo, CA 93401

(805) 543-8539

info@geosolutions.net

 

Justin Curtis

Office: (281) 259-7000

jcurtis@exoinc.com 


Salem Engineering Group, Inc.  

4729 W. Jacquelyn Avenue 

Fresno, California 93722

info@salem.net

 (559)271-9700


Tower Engineering Professionals

326 Tryon Road

Raleigh, NC

(919) 661-6351

www.tepgroup.net

 

2023 List of Approved Special Inspectors

DC Inspections, Inc

170  Granada Dr, Unit D

San Luis Obispo, CA 93401

(805) 392-5100

www.dcinspections.com

 

GeoSolutions

220 High Street

San Luis Obispo, CA. 93401

(805) 543-8539

info@geosolutions.net

 

Krazan and Associates, Inc.

2205 Coy Ave

Bakersfield, CA 93307

www.krazan.com

 

PCS Engineering

7395 El Camino Real #369

Atascadero, CA 93422

tim@pcs-e.com

(805) 345-8297

 

Salem Engineering Group

4729 W Jacquelyn Ave

Fresno, CA 93722

(559) 271-9700

www.salem.net

 

Structural Observation Group

8941 Atlanta Ave #518

Huntington Beach Ca 92646

714-330-6333

 

2022 List of Approved Special Inspectors

Beacon Geotechnical

P.O. Box 4814

Paso Robles, CA 93447

(805) 239-9457

beacongeotechnical@gmail.com

http://beacongeotechnical.com

 

GeoSolutions

220 High Street

San Luis Obispo, CA. 93401

(805) 543-0539

info@geosolutions.net

 

Krazan and Associates, Inc.

2205 Coy Ave

Bakersfield, CA 93307

(661)837-9200

www.krazan.com

 

Tower Engineering Professionals

326 Tryon Road

Raleigh, NC

(919) 661-6351

www.tepgroup.net

 

2021 List of Approved Special Inspectors

Advantage Technical Services, Inc.

6661 Fern Canyon Road

San Luis Obispo, CA.

(805) 595-2282

 

Condor Earth

188 Frank West Circle, Suite I

Stockton, CA. 95206

(209) 234-0518

www.condorearth.com

 

DC Inspections, Inc. 

170 Granada Dr, Unit D 

San Luis Obispo, CA 93401 

(805) 392-5100 

www.dcinspections.com

 

Earth Systems Pacific

4738 Old Santa Fe Road

San Luis Obispo, CA. 93401

(805) 544.3276

www.earthsystems.com

 

Hallin Geotechnical, LLC

P.O. Box 1897

Atascadero, CA. 93423

(805) 975-7361

hallegeo@yahoo.com

 

MPE Mid Pacific Engineering

6310 State Highway 273

Anderson, CA 96007

 

MPE Mid Pacific Engineering

840 Embarcadero Drive STE 20

West Sacramento, CA 95605

 

Pacific Coast Testing

P.O. Box 6835

Santa Maria, CA. 93456

(805) 631-5108

 

Structural Observation Group

8941 Atlanta Ave # 518

Huntington Beach, CA. 92646-7112

(714) 330-06333

 

Terracon Consultants, Inc

902 Industrial Way

Lodi, CA 95240

(209) 367-3701

www.terracon.com

 

2020 List of Approved Special Inspectors

Advantage Technical Services, Inc.

6661 Fern Canyon Road

San Luis Obispo, CA.

(805) 595-2282

 

Beacon Geotechnical

P.O. Box 4814

Paso Robles, CA 93447

(805) 538-5115

http://beacongeotechnical.com

 

Condor Earth

188 Frank West Circle, Suite I

Stockton, CA. 95206

(209) 234-0518

www.condorearth.com

 

DC Inspections, Inc. 

170 Granada Drive, Unit D

San Luis Obispo, CA 93401

(805) 392-5100

www.dcinspections.com

 

Earth Systems Pacific

4738 Old Santa Fe Road

San Luis Obispo, CA. 93401

(805) 544.3276

www.earthsystems.com

 

GeoSolutions

220 High Street

San Luis Obispo, CA. 93401

(805) 543-0539

info@geosolutions.net

 

Hallin Geotechnical, LLC

P.O. Box 1897

Atascadero, CA. 93423

(805) 975-7361

hallegeo@yahoo.com

 

Krazan

215 W Dakota Avenue

Clovis, CA. 93612

(661) 348-2200

www.krazan.com

 

Mid-Coast Geotechnical, Inc. 

3124 El Camino Real

Atascadero, CA 93422

(805) 461-0965

www.midcoastgeotech.com/home

 

MPE Mid Pacific Engineering

6310 State Highway 273

Anderson, CA 96007

 

MPE Mid Pacific Engineering

840 Embarcadero Drive STE 20

West Sacramento, CA 95605

 

Pacific Coast Testing

P.O. Box 6835

Santa Maria, CA. 93456

(805) 631-5108

 

2019 List of Approved Special Inspectors: 

Condor Earth

188 Frank West Circle, Suite I

Stockton, CA. 95206

(209) 234-0518

www.condorearth.com

 

Earth Systems Pacific

4738 Old Santa Fe Road

San Luis Obispo, CA. 93401

(805) 544.3276

www.earthsystems.com

 

Geosolutions

220 High Street

San Luis Obispo, CA. 93401

(805) 543-0539

info@geosolutions.net

 

Hallin Geotechnical, LLC

P.O. Box 1897

Atascadero, CA. 93423

(805) 975-7361

hallegeo@yahoo.com

 

Pacific Coast Testing

P.O. Box 6835

Santa Maria, CA. 93456

(805) 631-5108

 

Terracon Consultants, Inc

902 Industrial Way

Lodi, CA 95240

(209) 367-3701

www.terracon.com

 

Whirlwind Steel Buildings

8234 Hansen Rd

Houston, TX 77075

(877) 787-2350

www.whirlwindsteel.com

 

Structural Observation Group

8941 Atlanta Ave # 518

Huntington Beach, CA. 92646-7112

(714) 330-06333