Qualified Environmental Consultants

Below is a list of consultants with whom the Department has experience and who the Department accepts as qualified in the areas described.

Applicants are not confined to the consultants listed here. 

Please contact the Department of Planning & Building for information and approval before initiating any work if you wish to use a consultant that is not listed below. 

Qualified Environmental Consultants
Consultant Name Address Telephone Qualifications
45dB Acoustics, LLC PO Box 1406                                  San Luis Obispo, CA 93406 (805) 250-1566 Acoustical
ADK&A 949 South Hope Street, Suite 103
Los Angeles, CA 90015
(213) 623-3841 Economic Impact Analysis
AECOM 2400 Professional Parkway, Suite 100  Santa Maria, CA 93455 (805) 938-0855 Archaeological, Botanist, California Red-Legged Frog, General Biology, Historical, Marine, Morro Shoulderband Snail, San Joaquin Kit Fox, Steelhead Trout, Vernal Pool Fairy Shrimp, Wildlife
Albion Environmental, Inc. 3563 Sueldo Street, Unit P
San Luis Obispo, CA 93401
(805) 592-2222 Archaeological, Historical
Althouse & Meade, Inc. 1602 Spring Street
Paso Robles, CA 93446
(805) 237-9626 Botanist, California Red-Legged Frog, General Biology, Monarch Butterfly, San Joaquin Kit Fox, Wetlands, Wildlife
Ambient Air Quality & Noise Consulting 612 12th Street, Suite 201
Paso Robles, CA 93446
(805) 226-2727 Acoustical
Anastasio, Rebecca 7800 Santa Cruz Road
Atascadero, CA 93422
(805) 461-5284 Archaeological
Applied Development Economics, Inc. 255 Ygnacio Valley Road, Suite 200
Walnut Creek, CA 94596
(925) 934-8723 Economic Impact Analysis
Applied Earthworks, Inc. 811 El Capitan Way, Suite 100
San Luis Obispo, CA 93401
(805) 594-1590 Archaeological, Historical, Historic Architecture Evaluations, Historic Background Evaluations, Paleontological
Applied Economics 11209 North Tatum Blvd, Suite 225
Phoenix, AZ 85028
(602)765-2400 Economic Impact Analysis
Applied Marine Sciences 4749 Bennett Drive, Suite L
Livermore, CA 94551
(831) 426-6326 Marine
Associated Transportation Engineers 100 North Hope Ave, Suite 4
Santa Barbara, CA 93110-1686
(805) 687-4418 Traffic Engineer
Arcadis US, Inc. 735 Tank Farm Road, Suite 150
San Luis Obispo, CA 93401
(805) 706-2805 Archaeological, Botanist, California Red-Legged Frog, General Biology, Marine, San Joaquin Kit Fox, Steelhead Trout, Wildlife
Archaeology Consulting PO Box 3377
Salinas, CA 93912-3377
(831) 422-4912 Archaeological
Avalance Consulting, Inc. 101 West 6th Street, Suite 612
Austin, TX 78701
(512) 472-1555 Economic Impact Analysis
Basin Research Associates 1933 Davis Street, Suite 210
San Leandro, CA 94577-1258
(510) 430-8441 Archaeological
Bay Area Economics 1285 66th Street
Emeryville, CA 94608
(510) 547-9380 Economic Impact Analysis
Bertrando & Bertrando Consultants 267 Foothill Boulevard
San Luis Obispo, CA 93405
(805) 543-7831 Archaeological, Historical, Historic Background Evaluations
BioResource Consultants 2355 Kerry Ave
Cambria, CA 93428
(805) 646-3932 Botanist, California Red-Legged Frog, General Biology, San Joaquin Kit Fox, Wetlands, Wildlife
Brown-Buntin Associates, Inc. 406 West School Ave
Visalia, CA 93291
(559) 627-4923 Acoustical
CALIFAUNA 3158 Bird Rock Road
Pebble Beach, CA 93953
(831) 224-8595 Wildlife
Cardno ENTRIX 201 North Calle Cesar Chavez, Suite 203
Santa Barbara, CA 93103
(805) 962-7679 Botanist, California Red-Legged Frog, General Biology, Wetlands, Wildlife
Carr, Paula Juelke 615 Lawrence Drive
San Luis Obispo, CA 93401
(805) 541-1201 Historical, Historic Architecture Evaluations, Historic Background Evaluations
Center for Continuing Study of California Economics 575 Middlefield Road, Suite 110
Palo Alto, CA 94301
(650) 321-8550 Economic Impact Analysis
Central Coast Archaeology PO Box 1526
Cambria, CA 93428
(805) 235-5998 Archaeological
Central Coast Archaeological Research Consultants 491 Lawrence Drive
San Luis Obispo, CA 93401
(805) 235-9747 Archaeological
Chabin Concepts 2515 Ceanothus Ave, Suite 100
Chico, CA 95973
(800) 676-8455 Economic Impact Analysis
Christopher A. Joeseph Associates 179 H Street
Petaluma, CA 94952
(707) 676-1903 Botanist, Wetlands, Wildlife
Susan V. Christopher, PhD 4180 Stagecoach Canyon Road
Santa Margarita, CA 93453
(805) 438-3890 Botanist, California Red-Legged Frog, Wetlands, Wildlife
Cleveland, Cindy 535 Cuesta Place
Arroyo Grande, CA 93420
(805) 234-3759 California Red-Legged Frog, General Biology, Steelhead Trout, Wildlife
Civitas Advisors 1102 Corporate Way, Suite 140
Sacramento, CA 95831
(916) 325-0604 Economic Impact Analysis
Claggett Wolfe Associates 3108 Sunshine Meadows Lane
Auburn, Ca 95602
(530) 878-8016 Economic Impact Analysis
Cleath-Harris Geologists, Inc. 71 Zaca Lane, Suite 140
San Luis Obispo, CA 93401
(805) 543-1413 Geological, Hydrogeologic Reports
Cogstone Resource Management, Inc. 775 Pacific Street
Morro Bay, CA 93442-2349
(805) 660-6989 Archaeological, Paleontological
Collaborative Economics 520 South El Camino Real, Suite 710
San Mateo, CA 94402
(650) 235-8323 Economic Impact Analysis
Compass Rose Archaeological, Inc. 18960 Nordhoff Street
Northridge, CA 91324
(818) 998-3116 Archaeological
Conejo Archaeological 2321 Goldsmith Ave
Thousand Oaks, CA 91360
(805) 494-4309 Archaeological
Cotton, Shires and Associates, Inc. 330 Village Lane
Los Gatos, CA 95030
(408) 354-5542 Geological, Hydrogeologic Reports
Cultural Resources Management Services (CRMS) 829 Paso Robles Street
Paso Robles, CA 93446
(805) 237-3838 Archaeological, Historical, Historic Architecture Evaluations, Historic Background Evaluations
Delfino, Kenneth 2626 San Ricardo Lane              Los Osos, CA 93402 (805) 439-4622 Oak Woodland Management Plans
Dicus, Christopher 1190 11th Street
Los Osos, CA 93402  
(805) 756-5104 Oak Woodland Management Plans
Dohn and Associates 630 Quintana Road, #312
Morro Bay, CA 93442
(805) 801-3434 Acoustical
Dudek 621 Chapala Street
Santa Barbara, CA 93101
(805) 963-0651 Botanist, California Red-Legged Frog, General Biology, Marine, Morro Shoulderband Snail, San Joaquin Kit Fox, Steelhead Trout, Vernal Pool Fairy Shrimp, Wildlife
Duke CRM 22 Socorro
Rancho Santa Margarita, CA 92688
(949) 303-0420 Archaeological
Earth Systems Pacific 4378 Old Santa Fe Road
San Luis Obispo, CA 93401
(805) 544-3276 Geological
Ecological Assets Management, LLC PO Box 6840
Los Osos, CA 93412-6840
(805) 440-6137 California Red-Legged Frog, Morro Shoulderband Snail, San Joaquin Kit Fox, Wildlife
Economic Competitiveness Group 3020 Bridgeway Road, Suite 500
Sausalito, CA 94965
(415) 264-8501 Economic Impact Analysis
ECONorthwest 222 SW Columbia Street, Suite 1600
Portland, OR 97201
(503) 222-6060 Economic Impact Analysis
ECORP Consulting, Inc. 1801 Park Court Place, Building B, Suite 103
Santa Ana, CA 92701
(714) 648-0630 Botanist, California Red-Legged Frog, Marine, Steelhead Trout, Vernal Pool Fairy Shrimp, Wetlands, Wildlife
Ecosystems West Consulting Group 8191/2 Pacific Ave, Suite 4
Santa Cruz, CA 95060
(831) 429-6730 Botanist, California Red-Legged Frog, General Biology, San Joaquin Kit Fox, Wildlife
EcoVision Partners, LLC 331 Oahu Street
Morro Bay, CA 93442
(805) 772-4080
Fax: (805) 771-9420
General Biology, Marine Biology, Morro Shoulderband Snail, San Joaquin Kit Fox, CA Red-Legged Frog, Wildlife, Wetlands
ED/c Partners 23750 North 75th Place
Scottsdale, AZ 85255
(623) 537-0888 Economic Impact Analysis
EMSI 409 South Jackson Street
Moscow, ID 83843
(208) 883-3500 Economic Impact Analysis
Envicom Corporation 4165 East Thousand Oaks Blvd, Suite 290
Westlake Village, CA 91362
(818) 879-4700 Agricultural Viability, Botanist, Wildlife
ESA 21650 Oxnard Street Suite 1680
Woodland Hills, CA 91367
(818) 703-8600 Botanist, California Red-Legged Frog, General Biology, San Joaquin Kit Fox, Vernal Pool Fairy Shrimp, Wetlands, Wildlife
ESI 5635 North Scottsdale Road, Suite 170
Scottsdale, AZ 95250
(602) 265-6120 Economic Impact Analysis
Far Western Anthropological Research Group, Inc. 2727 Del Rio Place
Davis, CA 95618
(530) 756-3941 Archaeological
Fehr & Peers 160 West Santa Clara Street, Suite 675
San Jose, CA 95113
(408) 278-1700 Traffic Engineer
FirstCarbon Solutions 250 Commerce, Suite 250
Irvine, CA 92602
(714) 508-4100 Acoustical, Archaeological, Historical, Paleontological, General Biology, Visual
Foote Consulting Group, LLC 18910 North 73rd Drive
Glendale, AZ 85308
(480) 399-4854 Economic Impact Analysis
Forde Biological Consulting 5276 Buena Mesa Court
Camarillo, Ca 93012
(805) 987-7841 Botanist, General Biology, Vernal Pool Fairy Shrimp, Wetlands, Wildlife
Fugro Consultants, Inc. 5855 Capistrano Ave, Suite C
Atascadero, CA 93422
(805) 468-6061 Geological, Hydrogeologic Reports
Garcia and Associates (GANDA) 1025 East Ocean Ave, Suite C
Lompoc, CA 93436
(805) 740-1946 Archaeological, Historical, Historic Architecture Evaluations, Historic Background Evaluations, General Biology
Geoinsite 15919 Orange Blossom Drive
Los Gatos, CA 95032
(408) 839-5404 Geological, Hydrogeologic Reports
Geosolutions, Inc. 220 High Street
San Luis Obispo, CA 93401
(805) 543-8539

Geological, Hydrogeologic Reports

Gibson's Archaeological Consulting PO Box 102
Paso Robles, CA 93447-0102
(805) 238-5411 Archaeological
Greenwood & Associates 725 Jacon Way
Pacific Palisades, CA 90272
(310) 454-3091 Archaeological, Historical, Historic Architecture Evaluations, Historic Background Evaluations
Hensley, Gordon PO Box 6884
Los Osos, CA 93412-6884
(805) 528-1907 Botanist, General Biology, Wildlife
Heritage Discoveries, Inc. 836 Mission Street
San Luis Obispo, CA 93405
(805) 545-0724 Archaeological
Holland, V.L. Cal Poly State University
San Luis Obispo, CA 93407
(805) 756-5199 Botanist, General Biology
Hover Archaeological Consultants 1144 Buchon Street
San Luis Obispo, CA 93401
(805) 544-0176 Archaeological
Hunt & Associates 5290 Overpass Road, Suite 108
Santa Barbara, CA 93111
(805) 967-8512 California Red-Legged Frog, San Joaquin Kit Fox, Steelhead Trout, Wildlife
ICF International 630 K Street, Suite 400
Sacramento, CA 95814
(916) 737-3000 Agricultural Viability
Johnson & Associates 8308 Tecumseh Drive
Austin, TX 78753-5745
(512) 339-9000 Economic Impact Analysis
Joyce Gerber 3939 Spica
Lompoc, CA 93436
(805) 680-6937 Archaeological
Juniper Consulting PO Box 288
Collbran, CO 81624
(970) 812-6873 Economic Impact Analysis
Dr. Dave Keil Cal Poly State University
San Luis Obispo, CA 93407
(805) 756-2043 Botanist
Kevin Merk and Associates PO Box 318
San Luis Obispo, CA 93406
(805) 748-5837 Botanist, California Red-Legged Frog, General Biology, Monarch Butterfly, San Joaquin Kit Fox, Wetlands, Wildlife
Kubin, Leslie 150 Vaquero Drive
Templeton, CA 93465
(805) 434-0626 General Biology
Lou Blanck and Associates 370 Weymouth Street
Cambria, CA 93428
(805) 927-4316 Geological, Hydrogeologic Reports
LSA Associates, Inc. 285 South Street, Suite P
San Luis Obispo, CA 93401
(805) 782-0745 Acoustical, Archaeological, Botanist, California Red-Legged Frog, General Biology, Historical, Historic Architecture Evaluations, Paleontological, Steelhead Trout, Vernal Pool Fairy Shrimp
MacDonald, Hatch Mott 1330-B First Street
Gilroy, CA 95020
(408) 848-3122 Traffic Engineer
Macfarlane Archaeological Consultants 7290 Marmota Street
Ventura, CA 93303
(805) 659-2657 Archaeological
Marine Research Specialists 3140 Telegraph Road, Suite A
Ventura, CA 93003
(805) 689-5297 California Red-Legged Frog, Marine
McClure Consulting 2944 North 44th Street, Suite 101
Phoenix, AZ 85018
(602) 840-3699 Economic Impact Analysis
McGovern, Mike 1788 Corbett Highlands
Arroyo Grande, CA 93420
(805) 441-7208 Botanist, General Biology, San Joaquin Kit Fox
Mitchell, Dianne 901 Mohawk Street, Apt 68
Bakersfield, CA 93309
(661) 324-7746 General Biology
Karl Mikel, PE 925 Chianti Court
Templeton, CA 93465
(805) 459-4606 Acoustical
Muddy Boots Environmental Consulting PO Box 289
Morro Bay, CA 93443
(805) 471-9317 General Biology, Vernal Pool Fairy Shrimp
Natelson Dale Group, Inc. 24835 La Palma Ave, Suite I
Yorba Linda, CA 92887
(714) 692-9596 Economic Impact Analysis
Orosz Engineering Group

6318 Residencia
Newport Beach, CA 92660

PO Box 2934
Prescott, AZ 86302

(805) 680-1586 Traffic Engineer
PAST, Inc. 10848 Aster Road
Oak Hills, CA 92344-0206
(818) 349-3353 Archaeological
Pacific Geotechnical Engineering 16055-D Caputo Drive
Morgan Hill, CA 95037
(408) 778-2818 Geological
Pacific Habitats Environmental Consulting 1543 Eighth Street
Los Osos, Ca 93402
(805 528-3268 General Biology
Padre Associates, Inc. 369 Pacific Street
San Luis Obispo, CA 93401
(805) 786-2650 Archaeological, Botanist, California Red-Legged Frog, General Biology, Marine, San Joaquin Kit Fox, Steelhead Trout, Vernal Pool Fairy Shrimp, Wetlands
Paleo Solutions 911 South Primrose Ave, Unit J
Monrovia, CA 91016
(562) 818-7713 Paleontological
The Pathfinders PO Box 702317
Dallas, TX 75370
(972) 387-3750 Economic Impact Analysis
Pax Environmental 84 Saint Mary Ave.  Cayucos, CA 93430 (805) 570-4451 Biology, Wildlife
Pinnacle Traffic Engineering 9452 Telephone Rd #440 Ventura, CA 93004 (805) 644-9260 Traffic Engineer
PMC 2729 Prospect Park Drive, Suite 220
Rancho Cordova, CA 95670
(916) 361-8384 Botanist, California Red-Legged Frog, General Biology, San Joaquin Kit Fox, Wetlands, Wildlife
Provenience Group 1552 North Refugio Road
Santa Ynez, CA 93460
(805) 350-3134 Archaeological, Historical
Public Management, Inc. 207 South Bonham Ave
Cleveland, TX 77327
(281) 592-0439 Economic Impact Analysis
Quad Knopf, Inc. 5080 Calif. Ave., Ste. 400
Bakersfield, CA 93309
(661) 616-2600 Botanist, California Red-Legged Frog, Vernal Pool Fairy Shrimp, Wetlands
Rincon Consultants 1530 Monterey Street, Suite D
San Luis Obispo, CA 93401
(805) 547-0900 Archaeological, Botanist, California Red-Legged Frog, General Biology, Historical, San Joaquin Kit Fox, Wetlands
Rosenow Spevacek Group 309 West 4th Street
Santa Ana, CA 92701
(714) 541-4585 Economic Impact Analysis
Sage Associates 1396 Danielson Road
Santa Barbara, CA 93108
(805) 969-0557 Agricultural Viability
Sage Institute, Inc. 1065 Higuera Street, Suite 301
San Luis Obispo, CA 93401
(805) 434-2804 Botanist, California Red-Legged Frog, General Biology, San Joaquin Kit Fox, Vernal Pool Fairy Shrimp, Wetlands, Wildlife
San Buenaventura Research Associates 1328 Woodland Drive
Santa Paula, CA 93060
(805) 525-1909 Archaeological, Historical, Historic Architecture Evaluations, Historic Background Evaluations
Seay, Stephanie 11127 Cebada Lane
Atascadero, CA 93422
(805) 462-9248 General Biology
Sierra Delta Consultants LLC 935 Riverside Ave, Suite 21
Paso Robles, CA 93446
(805) 239-9293 Geological
Stantec 290 Conejo Ridge Ave
Thousand Oaks, CA 91361-4971
(805) 719-9354 Botanist, Wetlands, Wildlife
SWCA Environmental Consultants 1422 Monterey Street, Suite C200
San Luis Obispo, CA 93401
(805) 543-7095 Archaeological, Botanist, California Red-Legged Frog, General Biology, Morro Shoulderband Snail, San Joaquin Kit Fox, Steelhead Trout, Visual, Wetlands, Wildlife
Tenera Environmental Services 141 Suburban Road, Suite A2
San Luis Obispo, CA 93401
(805) 541-0310 Marine, General Biology
Terra Verde Environmental Consulting 3765 South Higuera Street, Suite 102
San Luis Obispo, CA 93401
(805) 896-5479 Botanist, California Red-Legged Frog, General Biology, Wildlife, San Joaquin Kit Fox, Vernal Pool Fairy Shrimp, Steelhead Trout, Wetlands
Tetra Tech, Inc. 301 Mentor Drive, Suite A
Santa Barbara, CA 93111
(805) 681-3100 Botanist, California Red-Legged Frog, General Biology, Steelhead Trout, Wetlands, Wildlife
TIP Strategies 106 East 6th Street, Suite 550
Austin, TX 78701
(512) 343-9113 Economic Impact Analysis
TRC 80 Stone Pine Road, Suite 200
Half Moon Bay, CA 94019
(805) 528-7099 Botanist, California Red-Legged Frog, General Biology, Steelhead Trout, Vernal Pool Fairy Shrimp, Wildlife
TXP, Inc. 1310 South 1st, Suite 105
Austin, TX 78704
(512) 328-8300 Economic Impact Analysis
Urban Futures, Inc. 3111 N. Tustin Ave, Suite 230
Orange, CA 92865
(714) 283-9334 Economic Impact Analysis
Vanherweg, Bill 1020 O'Connor Way
San Luis Obispo, CA 93405
(805) 839-0375 General Biology, Morro Bay Kangaroo Rat, San Joaquin Kit Fox
Villablanca, Francis Cal Poly State University
San Luis Obispo, CA 93407
(805) 756-2200 Morro Bay Kangaroo Rat
Wahlstrom & Associates 2140 Shattuck Ave, Suite #2239
Berkeley, CA 94704
(510) 684-6253 Economic Impact Analysis
WRA Environmental Consultants 2169-G East Francisco Blvd
San Rafael, CA 94901
(415) 454-8868 Botanist, California Red-Legged Frog, Monarch Butterfly, Steelhead Trout, Vernal Pool Fairy Shrimp, Wetlands, Wildlife