TranslateCNI-014 Special Inspection Agency Recognition List
Version: 07/31/2023
Special Inspection Agencies approved to perform services in unincorporated Sonoma County are listed below. Other agencies and individual special inspectors may also be qualified. Permit Sonoma's Building Division has ultimate responsibility for approval.
Note: In general, Permit Sonoma does not maintain lists of design and development professionals. However, there are a few occasions for which we allow third party inspections. In these cases, we maintain public lists of inspection agencies.
Categories on this page (some agencies may be in more than one category):
- Geotechnical and Soils Testing
- Post-Installed Concrete Anchor Installation
- Prestressed/Post-Tensioned Concrete
- Reinforced Concrete
- Sprayed Fire-Resistant Materials
- Structural Masonry
- Structural Steel Welding/Bolting
- Structural Wood
- Unreinforced Masonry Push/Torque
| Agency | Category |
|---|---|
|
A 1 Inspections |
|
| ACE Quality Control 1050 Melody Lane, Suite 160 Roseville, CA 95678 Phone: (916) 742-5096 |
|
| Achievement Engineering Corporation 2455 Autumnvale Drive, Unit E San Jose CA 95131 Phone: (408) 217-9174 Fax: (408) 217-9632 |
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| Al Elmendorf 687 Lillycross Drive Roseville, CA 95678 Phone: (916) 784-2422 |
|
| Applied Materials & Engineering, Inc. 980 41st Street Oakland, CA 94608 Phone: (510) 420 8190 ext.26 |
|
| Bace Geotechnical (AKA Brunsing Associates) 5468 Skylane Boulevard, Suite 201 Santa Rosa, CA 95403 Phone: (707) 528-6108 Fax: (707) 838-4420 |
|
| Bagg Engineers 138 Charcot Avenue San Jose, CA 95131 Phone: (650) 852-9133 Fax: (650) 852-9138 |
|
| Bauer Associates Westside Center 6470 Mirabel Road P.O. Box 460 Forestville, CA 95436 Phone: (707) 887-2505 |
|
| John E. Brotschi, PE P.O. Box 435 Sebastopol, CA 95473 Phone: (707) 823-7313 |
|
| Condor Earth Technologies, Inc. Attn: Elizabeth Wilden 188 Frank West Circle, Suite 1 Stockton, CA 95206 Phone: (209) 234-0518 Fax: (209) 234-0538 |
|
| Consolidated Engineering Laboratories 7757 Bell Road Windsor, CA 95492-8519 Phone: (707) 838-1115 Fax: (707) 838-1114 |
|
| CRT (Columbia Research & Testing) 10140 Starr Road P.O. Box 1232 Windsor, CA 95492 Phone: (707) 837-0920 Fax: (877) 495-6662 |
|
| Del Carlo Engineering PO Box 14581 Santa Rosa, CA 95402 Phone: (707) 570-1946 |
|
| Engeo, Inc. Jim Auser, PE 2010 Crow Canyon Place #250 San Ramon, CA 94583-1545 Phone: (925) 866-9000 Fax: (888) 279-2698 |
|
| Forsythe Engineering Consultants 1760 Industrial Way, #1 Napa, CA 94558-3316 Phone: (707) 255-0475 Fax: (707) 255-4759 |
|
| Green Engineering Consulting Engineers 852 West Sexton Road Sebastopol, CA 95472 Phone: (707) 824-0660 Fax: (707) 824-0567 |
|
| Inspection Services, Inc. 1798 University Avenue Berkeley, CA 94703-1514 Phone: (510) 900-2100 Fax: (510) 900-2101 |
|
| Jankovsky Engineering Services 1265 Wilson Road Cloverdale, CA 95425 Phone: (707) 894-3511 |
|
| Johnson, Debois & Forrest Structural Engineering / Code Consulting 405 West College Avenue, Suite E Santa Rosa, CA 95401 Phone: (707) 575-0911 |
|
| Karzan & Associates, Inc. 4617 Auburn Boulevard Sacramento, CA 95841 Phone: (916) 564-2200 Fax: (916) 564-2222 |
|
| Kleinfelder Inc. 2240 North Point Parkway Santa Rosa, CA 95407 Phone: (707) 571-1883 |
|
| LACO Associates Richard Yahn 3450 Regional Parkway, Suite B Santa Rosa, CA 95403 Phone: (707) 525-1222 |
|
| Materials Testing, Inc. dba KC Engineering Co. 865 Cotting Lane, Suite A Vacaville CA 95688 Phone: (707) 447-4025 Fax: (707) 447-4143 |
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| McCall Construction 2225 King Ranch Road Ukiah, CA 95482 Phone: (707) 485-9255 |
|
| Mid Pacific Engineering, Inc. (MPE) 840 Embarcadero Drive, Suite 20 West Sacramento, CA 95605 Phone: (916) 927-7000 |
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| MKM & Associates 5880 Commerce Boulevard, Suite 105 Rohnert Park, CA 94928 Phone: (707) 578-8185 ext. 113 Fax: (707) 578-7153 |
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| Norcon 470 3rd Street, Suite 105 San Francisco, CA 94107 Phone: (415) 692-0519/ (833) NORCON-1 |
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| PJC & Associates 600 Martin Avenue, Suite 210 Rohnert Park, CA 94928 Phone: (707) 584-4804 Fax: (707) 584-4811 |
|
| Professional Service Industries, Inc. Phone: (831) 757-3536 |
|
| Reese & Associates 134 Lystra Court Santa Rosa, CA 95403 Phone: (707) 528-3078 Fax: (707) 528-2837 |
|
| RGH Consultants 1305 North Dutton Avenue Santa Rosa, CA 95401 Phone: (707) 544-1072 Fax: (707) 544-1082 |
|
| Robertson Engineering Inc. 2300 Bethards Drive, Suite L Santa Rosa, CA 95405 Phone: (707) 523-7490 Ext. 22 |
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| Sebastian Engineering 1830 Burbank Avenue Santa Rosa, CA 95407 Phone: (707) 495-6116 |
|
| Smith-Emery Company P.O. Box 880550 Hunters Point Shipyard San Francisco, CA 94118 Phone: (415) 330-3000 Fax: (415) 330-3030 |
|
| Terracon 5075 Commercial Circle, Suite E Concord, CA 94520 Phone: (925) 609-7224 |
|
| Testing Engineers, Inc. 2811 Teagarden Street San Leandro, CA 94577 Phone: (510) 835-3142 Fax: (510) 834-3777 |
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| Tower Engineering Professionals (TEP) 3326 Tryon Road Raleigh, NC 27603 Phone: (919) 661-6351 Ext. 4183 Fax: (919) 661-6350 |
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| Valley Inspection Services 326 Woodrow Avenue Vallejo, CA 94571 Phone: (707) 552-7037 Fax: (707) 552-7022 |
|
| Young Engineering Services (YES!) 132 Boas Drive Santa Rosa, CA 95409 Phone: (707) 538-7503 Fax: (707) 539-6227 |
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