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 NameAddressTelephoneQualifications
45dB Acoustics, LLC PO Box 1717                                 Buellton, CA 93427(805) 250-1566Acoustical
ADK&A949 South Hope Street, Suite 103
Los Angeles, CA 90015
(213) 623-3841Economic Impact Analysis
AECOM2400 Professional Parkway, Suite 100  Santa Maria, CA 93455(805) 938-0855Archaeological, 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) 592-2222Archaeological, Historical
Althouse & Meade, Inc.1650 Ramada Drive, Suite 180,
Paso Robles, CA 93446
(805) 237-9626Botanist, California Red-Legged Frog, General Biology, Monarch Butterfly, San Joaquin Kit Fox, Wetlands, Wildlife
Ambient Air Quality & Noise Consulting75 Higuera Street, Suite 105
San Luis Obispo, CA 93401
(805) 226-2727Acoustical
Anastasio, Rebecca7800 Santa Cruz Road
Atascadero, CA 93422
(805) 461-5284Archaeological
Applied Earthworks, Inc.811 El Capitan Way, Suite 100
San Luis Obispo, CA 93401
(805) 594-1590Archaeological, Historical, Historic Architecture Evaluations, Historic Background Evaluations, Paleontological
Applied Economics11209 North Tatum Blvd, Suite 225
Phoenix, AZ 85028
(602)765-2400Economic Impact Analysis
Applied Marine Sciences4749 Bennett Drive, Suite L
Livermore, CA 94551
(831) 426-6326Marine
Associated Transportation Engineers100 North Hope Ave, Suite 4
Santa Barbara, CA 93110-1686
(805) 687-4418Traffic Engineer
Arcadis US, Inc.735 Tank Farm Road, Suite 150
San Luis Obispo, CA 93401
(805) 706-2805Archaeological, Botanist, California Red-Legged Frog, General Biology, Marine, San Joaquin Kit Fox, Steelhead Trout, Wildlife
Archaeology ConsultingPO Box 3377
Salinas, CA 93912-3377
(831) 422-4912Archaeological
Avalance Consulting, Inc.101 West 6th Street, Suite 612
Austin, TX 78701
(512) 472-1555Economic Impact Analysis
Basin Research Associates1933 Davis Street, Suite 210
San Leandro, CA 94577-1258
(510) 430-8441Archaeological
Bay Area Economics1285 66th Street
Emeryville, CA 94608
(510) 547-9380Economic Impact Analysis
Bertrando & Bertrando Consultants267 Foothill Boulevard
San Luis Obispo, CA 93405
(805) 543-7831Archaeological, Historical, Historic Background Evaluations
BioResource Consultants2355 Kerry Ave
Cambria, CA 93428
(805) 646-3932Botanist, California Red-Legged Frog, General Biology, San Joaquin Kit Fox, Wetlands, Wildlife
Brown-Buntin Associates, Inc.406 West School Ave
Visalia, CA 93291
(559) 627-4923Acoustical
CALIFAUNA3158 Bird Rock Road
Pebble Beach, CA 93953
(831) 224-8595Wildlife
Cardno ENTRIX201 North Calle Cesar Chavez, Suite 203
Santa Barbara, CA 93103
(805) 962-7679Botanist, California Red-Legged Frog, General Biology, Wetlands, Wildlife
Carr, Paula Juelke615 Lawrence Drive
San Luis Obispo, CA 93401
(805) 541-1201Historical, Historic Architecture Evaluations, Historic Background Evaluations
Center for Continuing Study of California Economics575 Middlefield Road, Suite 110
Palo Alto, CA 94301
(650) 321-8550Economic Impact Analysis
Central Coast ArchaeologyPO Box 1526
Cambria, CA 93428
(805) 235-5998Archaeological
Central Coast Archaeological Research Consultants491 Lawrence Drive
San Luis Obispo, CA 93401
(805) 235-9747Archaeological
Chabin Concepts2515 Ceanothus Ave, Suite 100
Chico, CA 95973
(800) 676-8455Economic Impact Analysis
Christopher A. Joeseph Associates179 H Street
Petaluma, CA 94952
(707) 676-1903Botanist, Wetlands, Wildlife
Susan V. Christopher, PhD4180 Stagecoach Canyon Road
Santa Margarita, CA 93453
(805) 438-3890Botanist, California Red-Legged Frog, Wetlands, Wildlife
Cleveland, Cindy535 Cuesta Place
Arroyo Grande, CA 93420
(805) 234-3759California Red-Legged Frog, General Biology, Steelhead Trout, Wildlife
Civitas Advisors1102 Corporate Way, Suite 140
Sacramento, CA 95831
(916) 325-0604Economic Impact Analysis
Claggett Wolfe Associates3108 Sunshine Meadows Lane
Auburn, Ca 95602
(530) 878-8016Economic Impact Analysis
Cleath-Harris Geologists, Inc.71 Zaca Lane, Suite 140
San Luis Obispo, CA 93401
(805) 543-1413Geological, Hydrogeologic Reports
Cogstone Resource Management, Inc.775 Pacific Street
Morro Bay, CA 93442-2349
(805) 660-6989Archaeological, Paleontological
Collaborative Economics520 South El Camino Real, Suite 710
San Mateo, CA 94402
(650) 235-8323Economic Impact Analysis
Compass Rose Archaeological, Inc.18960 Nordhoff Street
Northridge, CA 91324
(818) 998-3116Archaeological
Conejo Archaeological2321 Goldsmith Ave
Thousand Oaks, CA 91360
(805) 494-4309Archaeological
Cotton, Shires and Associates, Inc.330 Village Lane
Los Gatos, CA 95030
(408) 354-5542Geological, Hydrogeologic Reports
Cultural Resources Management Services (CRMS)829 Paso Robles Street
Paso Robles, CA 93446
(805) 237-3838Archaeological, Historical, Historic Architecture Evaluations, Historic Background Evaluations
Delfino, Kenneth2626 San Ricardo Lane              Los Osos, CA 93402(805) 439-4622Oak Woodland Management Plans
Dicus, Christopher1190 11th Street
Los Osos, CA 93402  
(805) 756-5104Oak Woodland Management Plans
Dohn and Associates630 Quintana Road, #312
Morro Bay, CA 93442
(805) 801-3434Acoustical
Dudek621 Chapala Street
Santa Barbara, CA 93101
(805) 963-0651Botanist, California Red-Legged Frog, General Biology, Marine, Morro Shoulderband Snail, San Joaquin Kit Fox, Steelhead Trout, Vernal Pool Fairy Shrimp, Wildlife
Duke CRM22 Socorro
Rancho Santa Margarita, CA 92688
(949) 303-0420Archaeological
Earth Systems Pacific4378 Old Santa Fe Road
San Luis Obispo, CA 93401
(805) 544-3276Geological
Ecological Assets Management, LLCPO Box 6840
Los Osos, CA 93412-6840
(805) 440-6137California Red-Legged Frog, Morro Shoulderband Snail, San Joaquin Kit Fox, Wildlife
Economic Competitiveness Group3020 Bridgeway Road, Suite 500
Sausalito, CA 94965
(415) 264-8501Economic Impact Analysis
ECONorthwest222 SW Columbia Street, Suite 1600
Portland, OR 97201
(503) 222-6060Economic Impact Analysis
ECORP Consulting, Inc.1801 Park Court Place, Building B, Suite 103
Santa Ana, CA 92701
(714) 648-0630Botanist, California Red-Legged Frog, Marine, Steelhead Trout, Vernal Pool Fairy Shrimp, Wetlands, Wildlife
Ecosystems West Consulting Group8191/2 Pacific Ave, Suite 4
Santa Cruz, CA 95060
(831) 429-6730Botanist, California Red-Legged Frog, General Biology, San Joaquin Kit Fox, Wildlife
EcoVision Partners, LLC331 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 Partners23750 North 75th Place
Scottsdale, AZ 85255
(623) 537-0888Economic Impact Analysis
EMSI409 South Jackson Street
Moscow, ID 83843
(208) 883-3500Economic Impact Analysis
Envicom Corporation4165 East Thousand Oaks Blvd, Suite 290
Westlake Village, CA 91362
(818) 879-4700Agricultural Viability, Botanist, Wildlife
ESA21650 Oxnard Street Suite 1680
Woodland Hills, CA 91367
(818) 703-8600Botanist, California Red-Legged Frog, General Biology, San Joaquin Kit Fox, Vernal Pool Fairy Shrimp, Wetlands, Wildlife
ESI5635 North Scottsdale Road, Suite 170
Scottsdale, AZ 95250
(602) 265-6120Economic Impact Analysis
Far Western Anthropological Research Group, Inc.2727 Del Rio Place
Davis, CA 95618
(530) 756-3941Archaeological
Fehr & Peers160 West Santa Clara Street, Suite 675
San Jose, CA 95113
(408) 278-1700Traffic Engineer
FirstCarbon Solutions250 Commerce, Suite 250
Irvine, CA 92602
(714) 508-4100Acoustical, Archaeological, Historical, Paleontological, General Biology, Visual
Foote Consulting Group, LLC18910 North 73rd Drive
Glendale, AZ 85308
(480) 399-4854Economic Impact Analysis
Forde Biological Consulting5276 Buena Mesa Court
Camarillo, Ca 93012
(805) 987-7841Botanist, General Biology, Vernal Pool Fairy Shrimp, Wetlands, Wildlife
Fugro Consultants, Inc.5855 Capistrano Ave, Suite C
Atascadero, CA 93422
(805) 468-6061Geological, Hydrogeologic Reports
Garcia and Associates (GANDA)1025 East Ocean Ave, Suite C
Lompoc, CA 93436
(805) 740-1946Archaeological, Historical, Historic Architecture Evaluations, Historic Background Evaluations, General Biology
Geoinsite15919 Orange Blossom Drive
Los Gatos, CA 95032
(408) 839-5404Geological, Hydrogeologic Reports
Geosolutions, Inc.220 High Street
San Luis Obispo, CA 93401
(805) 543-8539

Geological, Hydrogeologic Reports

Gibson's Archaeological ConsultingPO Box 102
Paso Robles, CA 93447-0102
(805) 238-5411Archaeological
Greenwood & Associates725 Jacon Way
Pacific Palisades, CA 90272
(310) 454-3091Archaeological, Historical, Historic Architecture Evaluations, Historic Background Evaluations
Hensley, GordonPO Box 6884
Los Osos, CA 93412-6884
(805) 528-1907Botanist, General Biology, Wildlife
Heritage Discoveries, Inc.836 Mission Street
San Luis Obispo, CA 93405
(805) 545-0724Archaeological
Holland, V.L.Cal Poly State University
San Luis Obispo, CA 93407
(805) 756-5199Botanist, General Biology
Hover Archaeological Consultants1144 Buchon Street
San Luis Obispo, CA 93401
(805) 544-0176Archaeological
Hunt & Associates5290 Overpass Road, Suite 108
Santa Barbara, CA 93111
(805) 967-8512California Red-Legged Frog, San Joaquin Kit Fox, Steelhead Trout, Wildlife
ICF International630 K Street, Suite 400
Sacramento, CA 95814
(916) 737-3000Agricultural Viability
Johnson & Associates8308 Tecumseh Drive
Austin, TX 78753-5745
(512) 339-9000Economic Impact Analysis
Joyce Gerber3939 Spica
Lompoc, CA 93436
(805) 680-6937Archaeological
Juniper ConsultingPO Box 288
Collbran, CO 81624
(970) 812-6873Economic Impact Analysis
Dr. Dave KeilCal Poly State University
San Luis Obispo, CA 93407
(805) 756-2043Botanist
Kevin Merk and AssociatesPO Box 318
San Luis Obispo, CA 93406
(805) 748-5837Botanist, California Red-Legged Frog, General Biology, Monarch Butterfly, San Joaquin Kit Fox, Wetlands, Wildlife
Kubin, Leslie150 Vaquero Drive
Templeton, CA 93465
(805) 434-0626General Biology
Lou Blanck and Associates370 Weymouth Street
Cambria, CA 93428
(805) 927-4316Geological, Hydrogeologic Reports
LSA Associates, Inc.285 South Street, Suite P
San Luis Obispo, CA 93401
(805) 782-0745Acoustical, Archaeological, Botanist, California Red-Legged Frog, General Biology, Historical, Historic Architecture Evaluations, Paleontological, Steelhead Trout, Vernal Pool Fairy Shrimp
MacDonald, Hatch Mott1330-B First Street
Gilroy, CA 95020
(408) 848-3122Traffic Engineer
Macfarlane Archaeological Consultants7290 Marmota Street
Ventura, CA 93303
(805) 659-2657Archaeological
Marine Research Specialists3140 Telegraph Road, Suite A
Ventura, CA 93003
(805) 689-5297California Red-Legged Frog, Marine
McClure Consulting2944 North 44th Street, Suite 101
Phoenix, AZ 85018
(602) 840-3699Economic Impact Analysis
McGovern, Mike1788 Corbett Highlands
Arroyo Grande, CA 93420
(805) 441-7208Botanist, General Biology, San Joaquin Kit Fox
Mitchell, Dianne901 Mohawk Street, Apt 68
Bakersfield, CA 93309
(661) 324-7746General Biology
Karl Mikel, PE925 Chianti Court
Templeton, CA 93465
(805) 459-4606Acoustical
Muddy Boots Environmental ConsultingPO Box 289
Morro Bay, CA 93443
(805) 471-9317General Biology, Vernal Pool Fairy Shrimp
Natelson Dale Group, Inc.24835 La Palma Ave, Suite I
Yorba Linda, CA 92887
(714) 692-9596Economic Impact Analysis
Orosz Engineering Group

6318 Residencia
Newport Beach, CA 92660

PO Box 2934
Prescott, AZ 86302

(805) 680-1586Traffic Engineer
PAST, Inc.10848 Aster Road
Oak Hills, CA 92344-0206
(818) 349-3353Archaeological
Pacific Geotechnical Engineering16055-D Caputo Drive
Morgan Hill, CA 95037
(408) 778-2818Geological
Pacific Habitats Environmental Consulting1543 Eighth Street
Los Osos, Ca 93402
(805 528-3268General Biology
Padre Associates, Inc.369 Pacific Street
San Luis Obispo, CA 93401
(805) 786-2650Archaeological, Botanist, California Red-Legged Frog, General Biology, Marine, San Joaquin Kit Fox, Steelhead Trout, Vernal Pool Fairy Shrimp, Wetlands
Paleo Solutions911 South Primrose Ave, Unit J
Monrovia, CA 91016
(562) 818-7713Paleontological
The PathfindersPO Box 702317
Dallas, TX 75370
(972) 387-3750Economic Impact Analysis
Pax Environmental84 Saint Mary Ave.  Cayucos, CA 93430(805) 570-4451Biology, Wildlife
Pinnacle Traffic Engineering9452 Telephone Rd #440 Ventura, CA 93004(805) 644-9260Traffic Engineer
PMC2729 Prospect Park Drive, Suite 220
Rancho Cordova, CA 95670
(916) 361-8384Botanist, California Red-Legged Frog, General Biology, San Joaquin Kit Fox, Wetlands, Wildlife
Provenience Group1552 North Refugio Road
Santa Ynez, CA 93460
(805) 350-3134Archaeological, Historical
Public Management, Inc.207 South Bonham Ave
Cleveland, TX 77327
(281) 592-0439Economic Impact Analysis
QK, Inc.5080 Calif. Ave., Ste. 400
Bakersfield, CA 93309
(661) 616-2600Botanist, California Red-Legged Frog, Vernal Pool Fairy Shrimp, Wetlands
Rincon Consultants1530 Monterey Street, Suite D
San Luis Obispo, CA 93401
(805) 547-0900Archaeological, Botanist, California Red-Legged Frog, General Biology, Historical, San Joaquin Kit Fox, Wetlands
Rosenow Spevacek Group309 West 4th Street
Santa Ana, CA 92701
(714) 541-4585Economic Impact Analysis
Sage Associates1396 Danielson Road
Santa Barbara, CA 93108
(805) 969-0557Agricultural Viability
Sage Institute, Inc.
PO Box 1646
Tempelton, CA 93465
(805) 434-2804Botanist, California Red-Legged Frog, General Biology, San Joaquin Kit Fox, Vernal Pool Fairy Shrimp, Wetlands, Wildlife
San Buenaventura Research Associates1328 Woodland Drive
Santa Paula, CA 93060
(805) 525-1909Archaeological, Historical, Historic Architecture Evaluations, Historic Background Evaluations
Seay, Stephanie11127 Cebada Lane
Atascadero, CA 93422
(805) 462-9248General Biology
Sierra Delta Consultants LLC935 Riverside Ave, Suite 21
Paso Robles, CA 93446
(805) 239-9293Geological
Stantec290 Conejo Ridge Ave
Thousand Oaks, CA 91361-4971
(805) 719-9354Botanist, Wetlands, Wildlife
SWCA Environmental Consultants1422 Monterey Street, Suite C200
San Luis Obispo, CA 93401
(805) 543-7095Archaeological, Botanist, California Red-Legged Frog, General Biology, Morro Shoulderband Snail, San Joaquin Kit Fox, Steelhead Trout, Visual, Wetlands, Wildlife
Tenera Environmental Services141 Suburban Road, Suite A2
San Luis Obispo, CA 93401
(805) 541-0310Marine, General Biology
Terra Verde Environmental Consulting3765 South Higuera Street, Suite 102
San Luis Obispo, CA 93401
(805) 896-5479Botanist, 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) 681-3100Botanist, California Red-Legged Frog, General Biology, Steelhead Trout, Wetlands, Wildlife
TIP Strategies106 East 6th Street, Suite 550
Austin, TX 78701
(512) 343-9113Economic Impact Analysis
TRC80 Stone Pine Road, Suite 200
Half Moon Bay, CA 94019
(805) 528-7099Botanist, California Red-Legged Frog, General Biology, Steelhead Trout, Vernal Pool Fairy Shrimp, Wildlife
TXP, Inc.1310 South 1st, Suite 105
Austin, TX 78704
(512) 328-8300Economic Impact Analysis
Urban Futures, Inc.3111 N. Tustin Ave, Suite 230
Orange, CA 92865
(714) 283-9334Economic Impact Analysis
Vanherweg, Bill1020 O'Connor Way
San Luis Obispo, CA 93405
(805) 839-0375General Biology, Morro Bay Kangaroo Rat, San Joaquin Kit Fox
Villablanca, FrancisCal Poly State University
San Luis Obispo, CA 93407
(805) 756-2200Morro Bay Kangaroo Rat
Wahlstrom & Associates2140 Shattuck Ave, Suite #2239
Berkeley, CA 94704
(510) 684-6253Economic Impact Analysis
WRA Environmental Consultants2169-G East Francisco Blvd
San Rafael, CA 94901
(415) 454-8868Botanist, California Red-Legged Frog, Monarch Butterfly, Steelhead Trout, Vernal Pool Fairy Shrimp, Wetlands, Wildlife