| 301 | 796 | Apr 2015 | Farley's Olancha Mill Site | State | Inyo | |
| 302 | 795 | May 2014 | Benicia Seminary Site | State | Solano | |
| 303 | 794 | Apr 2016 | McFadden Wharf | State | Orange | |
| 304 | 793 | Oct 2016 | San Felipe Valley and Stage Station | State | San Diego | |
| 305 | 792 | Aug 2014 | Dog Town | State | Mono | |
| 306 | 791 | Sep 2015 | Bancroft Library Site | State | San Francisco | |
| 307 | 790 | May 2016 | Yosemite Valley | State | Mariposa | |
| 308 | 789 | Mar 2016 | Site of the Los Angeles Star | State | Los Angeles | |
| 309 | 788 | Jun 2015 | Stewart Store | State | Amador | |
| 310 | 787 | Aug 2015 | De Anza Crossing of the Santa Ana River | Other | Riverside | |
| 311 | 786 | Jun 2015 | Argonaut and Kennedy Mines | State | Amador | |
| 312 | 785 | Oct 2016 | Santa Catarina | State | San Diego | |
| 313 | 784.1 | Apr 2014 | El Camino Real - San Francisco | State | San Francisco | |
| 314 | 784 | Apr 2014 | El Camino Real | State | San Diego | |
| 315 | 783 | Jul 2015 | Jacoby Building | State | Humboldt | |
| 316 | 782 | Jul 2014 | Calico | State | San Bernadino | |
| 317 | 781 | Oct 2014 | National Old Trails Monument | State | San Bernadino | |
| 318 | 780.9 | May 2015 | Transcontinental Railroad - Cape Horn Promontory | Other | Placer | |
| 319 | 780.8 | Jul 2014 | Transcontinental Railroad - Western Base of the Sierra Nevada | State | Sacramento | |
| 320 | 780.7 | Jul 2014 | Transcontinental Railroad- Site of Completion of Pacific Railroad | Missing | San Joaquin | |
| 321 | 780.6 | Aug 2014 | Transcontinental Railroad-Truckee | State | Nevada | |
| 322 | 780.5 | Aug 2014 | First Transcontinental Railroad-Colfax | State | Placer | |
| 323 | 780.4 | Aug 2014 | First Transcontinental Railroad-Auburn | State | Placer | |
| 324 | 780.3 | Aug 2014 | First Transcontinental Railroad-Newcastle | State | Placer | |
| 325 | 780.2 | Jul 2014 | First Transcontinental Railroad-Rocklin | State | Placer | |
| 326 | 780.1 | Jul 2014 | First Transcontinental Railroad-Roseville | State | Placer | |
| 327 | 780 | Mar 2015 | Transcontinental Railroad | State | Sacramento | |
| 328 | 779 | May 2014 | Rockville Stone Chapel | State | Solano | |
| 329 | 778 | Jul 2015 | La Grange Mine | State | Trinity | |
| 330 | 777 | Jul 2014 | San Joaquin City Site | Missing | San Joaquin | |
| 331 | 776 | Jan 2015 | Castro Valley Public School Site | State | Alameda | |
| 332 | 775 | Apr 2016 | First water-to-water flight | Other | Orange | |
| 333 | 774 | Nov 2015 | Searles Lake Borax Discovery | State | San Bernadino | |
| 334 | 773 | Nov 2015 | Harmony Borax Works | State | Inyo | |
| 335 | 772 | Sep 2015 | Original Site of Saint Mary's College Site | State | San Francisco | |
| 336 | 771 | Jun 2015 | Dogtown Nugget Discovery Site | Other | Butte | |
| 337 | 770 | Jun 2015 | Oroville Chinese Temple | State | Butte | |
| 338 | 769 | Aug 2015 | Stevenot Birthplace | Other | Calaveras | |
| 339 | 768 | Jan 2015 | Beet Sugar Factory Site | State | Alameda | |
| 340 | 767 | Mar 2015 | Methodist Episcopal Church | Other | El Dorado | |
| 341 | 766 | Apr 2015 | Freeman Junction | State | Kern | |
| 342 | 765 | Apr 2017 | Temple Israel Cemetery | State | San Joaquin | |
| 343 | 764 | Feb 2015 | Sessions Nursery Site | State | San Diego | |
| 344 | 763 | Oct 2015 | Lassen Emigrant Trail (Bieber) | State | Lassen | |
| 345 | 762 | Jun 2015 | D'Agostini Winery | State | Amador | |
| 346 | 761 | Aug 2015 | Mission Inn | State | Riverside | |
| 347 | 760 | Sep 2015 | Laurel Hill Cemetery Site | Missing | San Francisco | |
| 348 | 759 | Oct 2015 | Fall River Valley School | State | Shasta | |
| 349 | 758 | Oct 2015 | Fort Janesville | Other | Lassen | |
| 350 | 757 | Jan 2015 | Caliente | Other | Kern | |
| 351 | 756 | Jan 2015 | Sycamore Tree | Missing | Ventura | |
| 352 | 755 | May 2015 | Corral Hollow | None | San Joaquin | |
| 353 | 754 | Sep 2015 | Mark Hopkins Institute of Art Site | State | San Francisco | |
| 354 | 753 | Nov 2015 | San Fernando Cemetery | State | Los Angeles | |
| 355 | 752 | Apr 2015 | Owens Lake Silver-Lead Furnace | State | Inyo | |
| 356 | 751 | May 2014 | Mare Island Commemorative Plaque- First U.S. Naval Station in the Pacific | State | Solano | |
| 357 | 750 | Oct 2016 | Peg Leg Smith Monument | State | San Diego | |
| 358 | 749 | Nov 2016 | Saahatpa | State | Riverside | |
| 359 | 748 | Jun 2015 | Coloma Road-Coloma | State | El Dorado | |
| 360 | 747 | Mar 2015 | Coloma Road-Rescue | State | El Dorado | |
| 361 | 746 | Jul 2014 | Coloma Road - Nimbus Dam | Missing | Sacramento | |
| 362 | 745 | Jul 2014 | Coloma Road | State | Sacramento | |
| 363 | 744 | Mar 2016 | Mirror Building | Other | Los Angeles | |
| 364 | 743 | May 2014 | Jack London Ranch | State | Sonoma | |
| 365 | 742 | Apr 2015 | Edward Kern Campsite | State | Kern | |
| 366 | 741 | Jan 2015 | Bealville | Other | Kern | |
| 367 | 740 | May 2015 | Carnegie | State | San Joaquin | |
| 368 | 739 | Apr 2014 | Sebastiani Vineyard and Winery | State | Sonoma | |
| 369 | 738 | May 2016 | Corona Founders Monument | Other | Riverside | |
| 370 | 737 | Nov 2015 | Chimney Rock | State | San Bernadino | |
| 371 | 736 | Jul 2015 | Letts Valley | State | Colusa | |
| 372 | 735 | Aug 2015 | Prince-Garibardi Building | State | Calaveras | |
| 373 | 734 | Aug 2015 | Angels Hotel | State | Calaveras | |
| 374 | 733 | May 2015 | Paul Masson Mountain Winery | State | Santa Clara | |
| 375 | 732 | May 2014 | Elisha Stevens Home | State | Kern | |
| 376 | 731 | May 2014 | Old Homestead | State | Contra Costa | |
| 377 | 730 | Mar 2016 | Old Plaza Firehouse | State | Los Angeles | |
| 378 | 729 | Jun 2016 | Old Maizeland School | State | Orange | |
| 379 | 728 | Apr 2015 | Pony Express: Friday's Station | Other | El Dorado | |
| 380 | 727 | Jan 2015 | Portolá Expedition | Other | Ventura | |
| 381 | 726 | Apr 2015 | Sebastian Store | State | San Luis Obispo | |
| 382 | 725 | Jul 2016 | Old Bear Valley Dam | State | San Bernadino | |
| 383 | 724 | May 2015 | Pioneer Ski Area of America, Squaw Valley | State | Placer | |
| 384 | 723 | Oct 2015 | Johnsville Ski Area | State | Plumas | |
| 385 | 722 | May 2014 | Marsh Murder Site | State | Contra Costa | |
| 386 | 721 | Apr 2015 | Carrillo Adobe | State | Santa Barbara | |
| 387 | 720 | Aug 2014 | Dallidet Adobe | State | San Luis Obispo | |
| 388 | 719 | Jul 2014 | Wilder Grave | State | Sacramento | |
| 389 | 718 | Mar 2016 | Site of Initial United States Air Meet | State | Los Angeles | |
| 390 | 717 | Sep 2014 | Angeles National Forest | State | Los Angeles | |
| 391 | 716 | Nov 2015 | Griffith Ranch | State | Los Angeles | |
| 392 | 715 | Aug 2015 | FIRST ASTRONOMICAL OBSERVATORY IN CALIFORNIA | State | Amador | |
| 393 | 714 | Jun 2015 | Mendocino Presbyterian Church | State | Mendocino | |
| 394 | 713 | Apr 2015 | Gutiérrez Adobe (Casa Gutierrez) | Other | Monterey | |
| 395 | 712 | Nov 2014 | Soberanes Adobe | Other | Monterey | |
| 396 | 711 | Feb 2015 | Montgomery Memorial | Other | San Diego | |
| 397 | 710 | Jun 2015 | Robert Louis Stevenson State Park | Other | Napa | |
| 398 | 709 | Jul 2015 | Weaverville Joss House | State | Trinity | |
| 399 | 708 | Apr 2015 | Pony Express: Yank's Station | State | El Dorado | |
| 400 | 707 | Apr 2015 | Pony Express: Strawberry Valley House | State | El Dorado | |
| 401 | 706 | Apr 2015 | Pony Express: Webster's Sugar Loaf House | State | El Dorado | |
| 402 | 705 | Apr 2015 | Pony Express: Moores (Riverton) | State | El Dorado | |
| 403 | 704 | Apr 2015 | Pony Express: Sportsman's Hall | State | El Dorado | |
| 404 | 703 | Mar 2015 | Pony Express: Pleasant Grove House | State | El Dorado | |
| 405 | 702 | Mar 2015 | Pony Express Route | State | Sacramento | |
| 406 | 701 | Mar 2015 | Pony Express: Placerville | State | El Dorado | |
| 407 | 700 | Mar 2015 | Pony Express: El Dorado Nevada House (Mud Springs) | State | El Dorado | |
| 408 | 699 | Mar 2015 | Pony Express: Mormon Tavern | State | El Dorado | |
| 409 | 698 | Jul 2014 | Pony Express Fifteen Mile House | State | Sacramento | |
| 410 | 697 | Jul 2014 | Pony Express Five Mile House | State | Sacramento | |
| 411 | 696 | Sep 2015 | Pony Express Site | State | San Francisco | |
| 412 | 695 | Oct 2015 | Plum Valley House | State | Sierra | |
| 413 | 694 | Jan 2015 | Church of St. James the Apostle | State | Alameda | |
| 414 | 693 | Jun 2015 | Grave of George C. Yount | State | Napa | |
| 415 | 692 | May 2014 | Hood House | State | Sonoma | |
| 416 | 691 | Sep 2015 | Sarcophagus of Thomas Starr King | State | San Francisco | |
| 417 | 690 | May 2014 | Alexis Godey Home | State | Kern | |
| 418 | 689 | Nov 2015 | Los Encinos State Historic Park | Other | Los Angeles | |
| 419 | 688 | Nov 2015 | Lyons Station Stagecoach Stop | State | Los Angeles | |
| 420 | 687 | Jun 2015 | Napa Valley Railroad Depot | Other | Napa | |
| 421 | 686 | Jun 2015 | Kelsey House Site | None | Napa | |
| 422 | 685 | Jun 2015 | Brannan Cottage | Other | Napa | |
| 423 | 684 | Jun 2015 | Brannan Store | Other | Napa | |
| 424 | 683 | Jun 2015 | Hudson Cabin Site | None | Napa | |
| 425 | 682 | Jun 2015 | York Cabin Site | State | Napa | |
| 426 | 681 | Apr 2016 | Paradox Hybrid Walnut Tree | Other | Los Angeles | |
| 427 | 680 | Jul 2014 | Murphy's Ranch | State | Sacramento | |
| 428 | 679 | Jun 2015 | Home of Lord Charles Snowden Fairfax (Bird's Nest Glen) | State | Marin | |
| 429 | 678 | Oct 2015 | Lassen Emigrant Trail (Westwood) | State | Lassen | |
| 430 | 677 | Oct 2015 | Nobles Emigrant Trail (Viewland) | State | Lassen | |
| 431 | 676 | Jul 2014 | Site of Saint Mary's College | Other | Alameda | |
| 432 | 675 | Oct 2015 | Nobles Emigrant Trail (Susanville) | State | Lassen | |
| 433 | 674 | Oct 2015 | Round Valley | State | Mendocino | |
| 434 | 673 | Oct 2016 | San Gregorio | State | San Diego | |
| 435 | 672 | Feb 2015 | Lavers Crossing | Other | Kern | |
| 436 | 671 | Nov 2015 | Garlock | State | Kern | |
| 437 | 670 | Apr 2015 | Mariposa County Courthouse | State | Mariposa | |
| 438 | 669 | Dec 2014 | Governor Stoneman Adobe, Los Robles | State | Los Angeles | |
| 439 | 668 | Jul 2014 | French Camp | State | San Joaquin | |
| 440 | 667 | Apr 2014 | Nash Adobe | State | Sonoma | |
| 441 | 666 | Mar 2015 | Camp Union | State | Sacramento | |
| 442 | 665 | Mar 2016 | Portolá Trail Campsite 2 | State | Los Angeles | |
| 443 | 664 | Mar 2016 | Heritage House | State | Los Angeles | |
| 444 | 663 | Aug 2015 | COURTHOUSE OF CALAVERAS COUNTY and the Leger Hotel | State | Calaveras | |
| 445 | 662 | Apr 2015 | Old Emigrant Road, Silver Lake | State | Amador | |
| 446 | 661 | Apr 2015 | Old Emigrant Road | State | Alpine | |
| 447 | 660 | Jan 2015 | Jedediah Smith Trail | Missing | Kern | |
| 448 | 659 | May 2015 | Stagecoach Inn | Missing | Ventura | |
| 449 | 658 | Jan 2015 | Western Hotel | State | Los Angeles | |
| 450 | 657 | Mar 2015 | Grave of Alexander Hamilton Willard | Other | Sacramento | |
| 451 | 656 | Mar 2016 | Bella Union Hotel site | State | Los Angeles | |
| 452 | 655 | Mar 2016 | Portolá Trail Campsite | State | Los Angeles | |
| 453 | 654.1 | Jul 2014 | Chevra Kaddisha | None | Sacramento | |
| 454 | 654 | Jul 2014 | Site of Jewish Synagogue | State | Sacramento | |
| 455 | 653 | Nov 2015 | The Cascades | Missing | Los Angeles | |
| 456 | 652 | Nov 2015 | Mojave 20-Mule Team Borax Terminus | State | Kern | |
| 457 | 651 | Nov 2014 | Battle of Natividad Site | State | Monterey | |
| 458 | 650 | Sep 2015 | What Cheer House Site | State | San Francisco | |
| 459 | 649 | Jul 2015 | Tolowa Indian Village Site | State | Del Norte | |
| 460 | 648 | Feb 2015 | Fountain Springs | State | Tulare | |
| 461 | 647 | Oct 2016 | Butterfield Overland Mail Route | State | San Diego | |
| 462 | 646 | Apr 2017 | Grave of George Caralambo | None | Los Angeles | |
| 463 | 645 | Jul 2015 | Pioneer Stage Road to Oregon | State | Del Norte | |
| 464 | 644 | May 2015 | Murphy Estate Site | State | Santa Clara | |
| 465 | 643 | Jan 2015 | Tehachapi Old Town | State | Kern | |
| 466 | 642 | Jan 2015 | Leland Stanford Winery | State | Alameda | |
| 467 | 641 | Oct 2014 | Concannon Vineyard | State | Alameda | |
| 468 | 640 | Aug 2016 | Hearst San Simeon State Historical Monument | State | San Luis Obispo | |
| 469 | 639 | Oct 2016 | Palm Springs | State | San Diego | |
| 470 | 638 | May 2016 | Old Temescal Road | State | Riverside | |
| 471 | 637 | Nov 2015 | Catalina Adobe | Other | Los Angeles | |
| 472 | 636 | Apr 2015 | ROYAL SPANISH PRESIDIO | State | Santa Barbara | |
| 473 | 635 | Oct 2016 | Los Puertecitos | State | San Diego | |
| 474 | 634 | Oct 2016 | El Vado (The Anza Trail) | State | San Diego | |
| 475 | 633.2 | Jul 2014 | Folsom Powerhouse Station A | State | Sacramento | |
| 476 | 633 | Jul 2014 | Folsom Powerhouse | State | Sacramento | |
| 477 | 632 | Jan 2016 | Old Short Cut | None | Los Angeles | |
| 478 | 631 | Feb 2015 | Garcés Baptismal Site | Missing | Kern | |
| 479 | 630 | Jun 2015 | St. Vincent's School for Boys | State | Marin | |
| 480 | 629 | Jul 2015 | Omega Hydraulic Diggings | State | Nevada | |
| 481 | 628 | Jul 2015 | Alpha Hydraulic Diggings | State | Nevada | |
| 482 | 627 | May 2014 | Union Hotel and Union Hall Site | State | Sonoma | |
| 483 | 626 | Mar 2015 | Bancroft Ranch House | State | San Diego | |
| 484 | 625 | Oct 2015 | Pioneer School House | Other | Plumas | |
| 485 | 624 | Jan 2015 | Warring Park | Other | Ventura | |
| 486 | 623 | Sep 2015 | Union Square | Missing | San Francisco | |
| 487 | 622 | Jul 2014 | Harry Wade Exit Route | State | San Bernadino | |
| 488 | 621 | May 2014 | Italian Swiss Colony | State | Sonoma | |
| 489 | 620 | Jun 2014 | Yucaipa Rancheria | State | San Bernadino | |
| 490 | 619 | Jul 2016 | Holcomb Valley | State | San Bernadino | |
| 491 | 618 | Jul 2016 | Garcés-Smith Monument | Other | San Bernadino | |
| 492 | 617 | Aug 2015 | Fort Benson | Other | San Bernadino | |
| 493 | 616 | Mar 2015 | Las Flores Asistencia | State | San Diego | |
| 494 | 615 | Jun 2015 | Fort Bragg | State | Mendocino | |
| 495 | 614 | Mar 2015 | Stanford-Lathrop House | State | Sacramento | |
| 496 | 613 | Jul 2014 | Congregational Church Site | None | Sacramento | |
| 497 | 612 | Jul 2014 | Pioneer Firehouse Site | None | Sacramento | |
| 498 | 611 | Jul 2014 | Sacramento Bee Building | None | Sacramento | |
| 499 | 610 | Mar 2015 | Overton Building | None | Sacramento | |
| 500 | 609 | Mar 2015 | Mills Bank Building | None | Sacramento | |
| 501 | 608 | Mar 2015 | Orleans Hotel Site | None | Sacramento | |
| 502 | 607 | Mar 2015 | Adams and Company | None | Sacramento | |
| 503 | 606 | Mar 2015 | Hastings Building | State | Sacramento | |
| 504 | 605 | Mar 2015 | Sacramento Union Site | None | Sacramento | |
| 505 | 604 | Apr 2014 | Brannan House Site | State | Sacramento | |
| 506 | 603 | Apr 2014 | Lady Adams Building | Other | Sacramento | |
| 507 | 602 | Apr 2014 | Ebner's Hotel | None | Sacramento | |
| 508 | 601 | Mar 2015 | Western Hotel | None | Sacramento | |
| 509 | 600 | Mar 2015 | Headquarters of the Big Four | None | Sacramento | |
| 510 | 599 | Apr 2014 | Crocker Gallery | None | Sacramento | |
| 511 | 598 | Apr 2014 | Stage and Railroad Site | None | Sacramento | |
| 512 | 597 | Apr 2014 | What Cheer House | None | Sacramento | |
| 513 | 596 | Mar 2015 | Booth Home Site | Other | Sacramento | |
| 514 | 595 | Mar 2015 | Eagle Theater | None | Sacramento | |
| 515 | 594 | Jul 2014 | China Slough Site | None | Sacramento | |
| 516 | 593 | Mar 2015 | Sutterville | Other | Sacramento | |
| 517 | 592 | Jul 2014 | New Helvetia Cemetery | Other | Sacramento | |
| 518 | 591 | Jul 2014 | Sutter's Landing | State | Sacramento | |
| 519 | 590 | Nov 2015 | Lang Southern Pacific Station | State | Los Angeles | |
| 520 | 589 | Apr 2015 | Mountain House Station | State | Kern | |
| 521 | 588 | Jan 2015 | Kern River Slough Station | Other | Kern | |
| 522 | 587 | Sep 2015 | First Public School Site | Other | San Francisco | |
| 523 | 586 | Oct 2014 | Cresta Blanca Winery | State | Alameda | |
| 524 | 585 | Mar 2015 | Pioneer Express Trail | State | Placer | |
| 525 | 584 | Oct 2014 | Fort Miller | None | Fresno | |
| 526 | 583 | Oct 2015 | Felton Covered Bridge | State | Santa Cruz | |
| 527 | 582 | Apr 2015 | Well, Hill 4 | Other | Santa Barbara | |
| 528 | 581 | May 2015 | Well 2-6 | Other | Kern | |
| 529 | 580 | Mar 2016 | Alamitos #1 | State | Los Angeles | |
| 530 | 579 | Jul 2016 | Daley Toll Road Monument | Other | San Bernadino | |
| 531 | 578 | Oct 2014 | Stoddard-Waite Monument | Other | San Bernadino | |
| 532 | 577 | Oct 2014 | Mormon Trail Monument | Other | San Bernadino | |
| 533 | 576 | Oct 2014 | Santa Fe and Salt Lake Trail Monument | Other | San Bernadino | |
| 534 | 575 | Jul 2014 | Sloughhouse | State | Sacramento | |
| 535 | 574 | May 2014 | State Capitol in Vallejo | Other | Solano | |
| 536 | 573 | Oct 2014 | Sycamore Grove | Other | San Bernadino | |
| 537 | 572 | Mar 2015 | Condemned Bar | Missing | El Dorado | |
| 538 | 571 | Mar 2015 | Salmon Falls | Missing | El Dorado | |
| 539 | 570 | Mar 2015 | Negro Hill | Missing | El Dorado | |
| 540 | 569 | Mar 2015 | Mormon Island | Other | El Dorado | |
| 541 | 568 | Jul 2016 | Hernando de Alarcón Expedition | State | Imperial | |
| 542 | 567 | Mar 2016 | St. Vincent's Place (Court) | State | Los Angeles | |
| 543 | 566 | Mar 2015 | Sacramento City Cemetery | State | Sacramento | |
| 544 | 565 | Oct 2015 | Lassen Grave | Other | Lassen | |
| 545 | 564 | Jun 2015 | Yount Blockhouse Site | State | Napa | |
| 546 | 563 | Jun 2015 | Charles Krug Winery | State | Napa | |
| 547 | 562 | Mar 2015 | La Christianita (La Cristianita) | State | San Diego | |
| 548 | 561 | Jun 2015 | Schramsberg Vineyard | State | Napa | |
| 549 | 560 | Nov 2014 | Hill Town Ferry | Other | Monterey | |
| 550 | 559 | Apr 2015 | Hastings Adobe (Trussell-Winchester Adobe) | State | Santa Barbara | |
| 551 | 558 | Jul 2014 | First Passenger Railroad Terminal | State | Sacramento | |
| 552 | 557 | Jul 2016 | Hemet Maze Stone | State | Riverside | |
| 553 | 556 | May 2014 | Rancho San Francisco | State | Los Angeles | |
| 554 | 555 | Oct 2015 | Lockhart Ferry | State | Shasta | |
| 555 | 554 | Mar 2016 | Cecil B. DeMille Studio Barn | State | Los Angeles | |
| 556 | 553 | Jan 2015 | Rancho Camulos | Other | Ventura | |
| 557 | 552 | Jun 2015 | Pioneer Paper Mill | State | Marin | |
| 558 | 551 | Jun 2015 | Grange Hall Site | Missing | El Dorado | |
| 559 | 550 | Jul 2014 | Los Banos | State | Merced | |
| 560 | 549 | Jun 2015 | Frog Woman Rock | None | Mendocino | |
| 561 | 548 | Jul 2014 | Canal Farm Inn | State | Merced | |
| 562 | 547 | Jun 2015 | Chiles Mill Site | State | Napa | |
| 563 | 546 | Oct 2015 | Applegate-Lassen Emigrant Trail | State | Modoc | |
| 564 | 545 | Jul 2015 | Camp Lincoln | State | Del Norte | |
| 565 | 544 | Jul 2015 | Fort Ter-Wer Site | State | Del Norte | |
| 566 | 543 | Jul 2015 | California's First Drilled Oil Wells | State | Humboldt | |
| 567 | 542 | Aug 2014 | Estrella Adobe Church | State | San Luis Obispo | |
| 568 | 541 | Jul 2015 | Brother Jonathan Cemetery | State | Del Norte | |
| 569 | 540 | Jan 2015 | Sinks of the Tejón | State | Kern | |
| 570 | 539 | Apr 2015 | Posey Station | Missing | Kern | |
| 571 | 538 | Sep 2014 | First Publicly Owned School Building | State | San Diego | |
| 572 | 537 | Apr 2015 | Cottonwood Charcoal Kilns | Other | Inyo | |
| 573 | 536 | Mar 2016 | Original building of the University of Southern California | State | Los Angeles | |
| 574 | 535 | Aug 2014 | Carpinteria and Indian Village of Mishopshnow | State | Santa Barbara | |
| 575 | 534 | May 2014 | Peña Adobe | State | Solano | |
| 576 | 533 | Jun 2016 | San Pasqual Battlefield | State | San Diego | |
| 577 | 532 | Apr 2015 | Casa de Oro | None | Monterey | |
| 578 | 531 | Mar 2016 | Lummis Home | Other | Los Angeles | |
| 579 | 530 | Jun 2015 | Gold Discovery Site | Other | El Dorado | |
| 580 | 529 | Jun 2015 | Angel Island | State | Marin | |
| 581 | 528 | Jun 2014 | Yucaipa Adobe | State | San Bernadino | |
| 582 | 527 | May 2016 | Savage Trading Post | Other | Mariposa | |
| 583 | 526 | Jul 2014 | First Passenger Railroad | State | Sacramento | |
| 584 | 525 | Jul 2014 | Sutter's Fort | Other | Sacramento | |
| 585 | 524 | Jan 2015 | Juana Briones De Miranda Site | State | Santa Clara | |
| 586 | 523 | Sep 2014 | San Diego Barracks | State | San Diego | |
| 587 | 522 | Apr 2016 | Serra Springs | Other | Los Angeles | |
| 588 | 521 | Jul 2015 | Greenwood | State | El Dorado | |
| 589 | 520 | May 2015 | San Joaquin Valley College Site | State | San Joaquin | |
| 590 | 519 | Jul 2015 | Bell's Bridge | Missing | Shasta | |
| 591 | 518 | Apr 2015 | Agua Fria | Other | Mariposa | |
| 592 | 517 | Jul 2015 | Emigrant Trail | State | Siskiyou | |
| 593 | 516.2 | Nov 2015 | Mentryville | State | Los Angeles | |
| 594 | 516 | May 2016 | Well, CSO 4 | Other | Los Angeles | |
| 595 | 515 | May 2017 | Pacheco (Don Salvio) Adobe | Other | Contra Costa | |
| 596 | 514 | Sep 2014 | Pomona Water Powerplant | Missing | Los Angeles | |
| 597 | 513 | Oct 2014 | Flaco Burial Place | State | San Joaquin | |
| 598 | 512 | Jun 2014 | Alvarado Adobe | Other | Contra Costa | |
| 599 | 511 | Aug 2016 | Martínez Adobe (Martinez Adobe) | State | Contra Costa | |
| 600 | 510 | Oct 2014 | Francisco Solano Alviso Adobe | Missing | Alameda | |
