2026-07-07T14:48:22-05:00 2025-12-31 341874260 CBIZ ADVISORS LLC 1 MONTGOMERY ST SUITE 1700 SAN FRANCISCO CA 94104 990 2025-01-01 204401473 WARNECKE INSTITUTE INC WARN 9259456912 13427 CHALK HILL ROAD HEALDSBURG CA 94548 MARGO WARNECKE MERCK PRESIDENT 9259456912 2026-07-07 1 MELVILLE NGUYEN P01264850 4153974444 2026-07-08 2025 2025-03-06 01:10:19Z MARGO WARNECKE MERCK 13427 CHALK HILL ROAD HEALDSBURG CA 94548 260287 0 X WWW.CHALKHILLRESIDENCY.COM X 2005 CA OUR MISSION IS TO FOSTER THE EDUCATION AND ADVANCEMENT OF DESIGN, ART, AND ARCHITECTURE. UNDER THE INSTITUTE UMBRELLA WE OPERATE TWO PROGRAMS TO SERVE OUR MISSION: THE WARNECKE ARCHITECTURAL ARCHIVES AND THE CHALK HILL ARTIST RESIDENCY PROGRAM. THE WARNECKE ARCHITECTURAL ARCHIVES MAINTAINS THE COMPLETE ARCHIVES OF CARL I. WARNECKE AND JOHN CARL WARNECKE FOR THE BENEFIT OF THE PUBLIC, INCLUDING RESEARCHERS AND STUDENTS, PUBLIC AGENCIES AND OTHER NON-PROFIT ORGANIZATIONS. THE CHALK HILL ARTIST RESIDENCY PROGRAM PROVIDES ARTISTS OF ALL BACKGROUNDS, ABILITIES, AND MEDIUMS, WITH TIME AND SPACE FOR REFLECTIVE WORK IN A NATURAL ENVIRONMENT AND TO PRESERVE THE LANDSCAPE IN WHICH THE INSTITUTE IS FOUNDED. 4 4 1 4 17 0 78539 18503 9001 11799 3596 12243 -8718 217742 82418 260287 0 0 0 0 20683 12595 0 0 0 32829 97024 53512 109619 28906 150668 2487297 2639906 332 588 2486965 2639318 X WARNECKE ARCHITECTURAL ARCHIVES MISSION:THE WARNECKE ARCHIVES WELCOMES AND ENCOURAGES THE STUDY OF ITS ARCHITECTURAL COLLECTION. A WEALTH OF MATERIAL EXISTS FOR HISTORIANS, STUDENTS, AND OTHER RESEARCHERS TO USE AT WARNECKE ARCHIVES. THE ARCHITECTURAL ARCHIVE LOCATED AT WARNECKE RANCH IN SONOMA COUNTY CA, CONTAINS SIGNIFICANT, PRIMARY SOURCE MATERIALS BY AND ABOUT NOTED CALIFORNIA ARCHITECTS, JOHN CARL WARNECKE AND HIS FATHER CARL I. WARNECKE. MORE THAN 100 YEARS AND OVER 800 PROJECTS WORTH OF ARCHITECTURAL PLANS, DRAWINGS, SKETCHES, PHOTOGRAPHS, PERSONAL PAPERS, JOURNALS, PROJECT FILES, AND CORRESPONDENCE MAKE UP ONE OF THE MOST EXTENSIVE, REMAINING ARCHITECTURAL ARCHIVES STILL IN ONE FAMILY, SINCE 1911. THEY ARE USED BY SCHOLARS, RESEARCHERS, PRIVATE INDIVIDUALS, AND ARTISTS. THE ARCHIVE IS OPEN TO THE PUBLIC BY APPOINTMENT. WE OFFER TOURS OF THE ARCHIVE. 0 0 27849 11799 THE CHALK HILL ARTIST RESIDENCY PROGRAM PROVIDES ARTISTS OF ALL BACKGROUNDS, ABILITIES, AND MEDIUMS, WITH TIME AND SPACE FOR REFLECTIVE WORK IN A NATURAL ENVIRONMENT AND TO PRESERVE THE LANDSCAPE IN WHICH THE INSTITUTE IS FOUNDED.CHALK HILL RESIDENCY IS PROUD TO COLLABORATE WITH CREATIVE INSTITUTIONS AND COMMUNITY NONPROFITS TO FULFILL OUR MISSION OF PROVIDING TIME AND SPACE AT WARNECKE RANCH AND VINEYARD WHERE ARTISTS ARE VALUED, THRIVING, AND REPRESENT THE DIVERSE WORLD IN WHICH WE LIVE. OUR COMMUNITY PARTNERSHIPS WITH BECOMING INDEPENDENT (BI), CREATIVE GROWTH, CREATIVITY EXPLORED, AND NURTURING INDEPENDENCE THROUGH ARTISTIC DEVELOPMENT (NIAD) BRING ARTIST TEACHERS FROM THESE PROGRAMS TO SPEND A WEEK AT THE RESIDENCY TO WORK ON THEIR VARIOUS ARTISTIC ENDEAVORS. IN 2025 WE HOSTED 6 PARTNERSHIP TEACHING ARTISTS. CHALK HILL RESIDENCY PROGRAM - IN 2025, 10 ARTISTS OUT OF 56 APPLICANTS WERE SELECTED FOR RESIDENCY. THE SELECTION PROCESS INCLUDES THE COMMITTEE REVIEWING APPLICANT SUBMISSIONS FROM OUR ANNUAL CALL FOR ARTISTS AND SELECTION IS BASED ON QUALITY OF WORK, PROJECT PROPOSAL, AND RESUME. TOTAL ARTISTS SERVED:19 ARTISTS TOTAL INCLUDING 6 TEACHING ARTISTS (2 EACH FROM OUR PARTNERING NON-PROFITS: CREATIVE GROWTH, CREATIVITY EXPORED, AND NIAD).PUBLIC PROGRAMMING:OPEN STUDIOS: 3SPRING OPEN STUDIO MAY 3, 2025SUMMER OPEN STUDIO AUGUST 2, 2025 + FUNDRAISER SECOND ANNUAL ICE CREAM SOCIALFALL OPEN STUDIO: OCTOBER 12, 2025 MARTIN EVANS OPEN STUDIO: NOVEMBER 29, 202550-60 GUESTS ATTEND FROM OUR MAILING LIST FOR EACH EVENT.TOTAL NUMBER OF PEOPLE WHO ATTENDED OPEN STUDIOS AND/OR PARTICIPATED IN CHALK HILL ARTIST RESIDENCY PROGRAMS= 150 (APPROXIMATED)WORKSHOPS:WATERCOLOR WORKSHOP WITH QINQIN LIUGALLERY SHOW: "AT PLAY WITH COSMIC COINCIDENCE" BY FRIENDS OF THE RESIDENCY, CINDY LUBAR BISHOP AND SUSAN FIELD5 STUDIO VISITS:JUNE 3RD: EDGE ESMERELDA ARTIST VISIT AND ARCHIVE TOURSEPTEMBER 20TH: OPEN DOORS ARCHIVE TOUR 3096 WARNECKE ARCHITECTURAL ARCHIVES RESEARCH REQUEST: MILLER & WARNECKE RESIDENTIAL HOME PLANS REQUEST STEPHANIE WEHRLEY801 ROSEMOUNT ROAD, OAKLANDBUILT IN 1922 FOR R.W. KINNEY THREE AT&T LONG LINES BUILDING REQUESTSNICHOLAS MCCAULEYDAWSON ZHANG, UPENNAARON ERDOS, IE UNIVERSITY (SPAIN) COLLEGE OF SAN MATEOHISTORIC PHOTOGRAPHS, SLIDES AND DESIGNS FOR DOCOMOMO ARTICLEPUBLICATION DATE: MAY 2026AUTHOR: JOSH WEINBERG GOLDEN GATE VILLAGE IN MARIN CITY / PYATOK ARCHITECTSREVITALIZATION PLAN WITH BURBANK HOUSINGMILAN OUTLAW AND GARY STRUTHERS: PLANNING TO RENOVATE ALL THE BUILDINGSREQUEST FOR ORIGINAL PLANS, COLOR SLIDES, PHOTOS GOLDEN GATE VILLAGE IN MARIN CITY BOOK BY FELICIA GASTON LAFAYETTE SQUARE LANDSCAPE RESTORATION AND COURT BUILDINGSTRUST FOR THE NATIONAL MALLSTEVEN PRESTON, SENIOR PROJECT MANAGERREQUEST FOR ORIGINAL PLANS, COLOR SLIDES, PHOTOSUPDATE: WEBSITE PUBLISHED: HTTPS://NATIONALMALL.ORG/CONTENT/LAFAYETTE-PARK NOT DISPLACED, BUT ROOTED: HONORING THE ARCHITECTS WHO BUILT MARIN CITYARCHITECTURAL LEGACY PUBLICATIONBOOK IN PROCESS BY FELECIA GASTONMARIN CITY HISTORICAL & PRESERVATION SOCIETY ARTICLE: LAND, LEGACY AND LEADERSHIP: MARGO WARNECKE MERCK'S ENDURING SONOMA STORYBY GLENDA WINDERSSONOMA COUNTY FEATURES PUBLISHED AUGUST 2, 2025 MODERNIST RETAIL DESIGNERS IN AMERICAMARILYN FRIEDMAN - MFF DESIGN HISTORIANLECTURES ON ELEANOR LEMAIRE AND ILONKA KARASZ: MODERNIST RETAIL DESIGNERS IN AMERICATOUR, RESEARCH AND COLOR SLIDES AND PHOTOS REQUEST THE MODERN CREATIVE: A PRACTICAL GUIDE FOR 21ST CENTURY ARTISTSBOOK BY KAYE KELLY, PROFESSOR OF MUSIC AT BERKLEE COLLEGE OF MUSICINCLUDES A CHAPTER ON THE ARCHIVES MIRA VISTA SCHOOL, RICHMOND CAPOTENTIAL NOMINATION FOR NATIONAL REGISTER OF HISTORIC PLACESBY ALYSA CHADOW- BOOK: FASHION DESIGNER ANN LOWE AND MRS. JACKIE KENNEDYROSEANNE MONTILLOBOOK PROJECT ON THE LIFE OF FASHION DESIGNER ANN LOWE AND HER RELATIONSHIP WITHMRS. JACQUELINE KENNEDY.- MUSIC VIDEO PROJECT: ARCHITECTURAL MODELS AND IMAGESCAROLINE WAXSE, STANDING ON THE CORNER / XL RECORDINGSREMOTE IMAGE/DOCUMENT RETRIEVAL REQUEST. SEEKING ARCHIVAL IMAGES AND MODELVIEWS OF A WARNECKE DESIGNED BUILDING FOR USE IN A MUSIC VIDEO.BOOK: CAMELOT'S ARCHITECT - MOVING FORWARD WITH JOHN CARL WARNECKE MEMOIR: CAMELOT'S ARCHITECT. A HYBRID PUBLISHER HAS BEEN SELECTED: GREENLEAF, AND THE PUBLISHING DATE IS NOVEMBER 2026. 30945 1 1 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 X 4 4 1 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 CA X BERTHA BALDWIN 9259456912 C/O 190 CORTSEN ROAD PLEASANT HILL CA 94523 X MARGO WARNECKE MERCK PRESIDENT 20.00 X X 0 0 0 FRED WARNECKE DIRECTOR 1.00 X 0 0 0 AL MERCK DIRECTOR 1.00 X 0 0 0 ALICE WARNECKE SUTRO DIRECTOR/SECRETARY 1.00 X X 0 0 0 0 0 0 0 0 0 0 0 18503 18503 ARTIST PROGRAM FEES 611610 11799 11799 11799 12243 137 12106 -10775 0 -10775 -10775 -120 -10655 SETTLEMENT FROM PASSTH 900099 228517 228517 228517 260287 11799 17 229968 11537 11537 1058 1058 5805 5805 1049 1049 2606 2606 16500 16500 1145 1145 ORDINARY BUSINESS LOSS 68420 68420 EVENT EXPENSES 586 586 BANK FEE 317 317 CELL PHONE EXPENSE 306 306 290 215 75 109619 30945 78674 0 52809 42169 31840 31840 0 0 434488 597737 2000000 2000000 2487297 2639906 332 588 332 588 X 0 0 0 0 2486965 2639318 2486965 2639318 2487297 2639906 150668 1685 0 X 0 0 0 X 18644 45660 39660 78539 18503 201006 8065 10605 8430 -8718 -10775 7607 26709 56265 48090 69821 7728 208613 3500 2000 3500 11049 13946 33995 0 3500 2000 3500 11049 13946 33995 174618 50 6328 7221 3596 12243 29438 50 6328 7221 3596 12243 29438 26759 62593 55311 73417 19971 238051 0.73350 0.85910 0.12370 0.06780 X RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED 31840 31840 0 0 597737 C 597737 ARCHITECTURAL ARCHIVE 2000000 2000000 FORM 990, PART VI, SECTION A, LINE 2 MARGO WARNECKE MERCK, PRESIDENT OF THE BOARD, AND FRED WARNECKE, A DIRECTOR, ARE SISTER AND BROTHER. IN ADDITION, MARGO WARNECKE MERCK AND AL MERCK ARE A MARRIED COUPLE. IN 2021, ALICE WARNECKE SUTRO JOINED THE BOARD. SHE IS A NIECE TO MARGO WARNECKE MERCK AND DAUGHTER TO FRED WARNECKE. FORM 990, PART VI, SECTION B, LINE 11B A DRAFT OF THE 990 IS PROVIDED TO THE BOARD FOR REVIEW AND APPROVAL PRIOR TO FILING. FORM 990, PART VI, SECTION C, LINE 19 UPON REQUEST WARNECKE RANCH & VINEYARD II LP 13427 CHALK HILL ROAD HEALDSBURG CA 95448 811952298 RANCH & VINEYARD CA UNRELATED 0 0 0.22150 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 WARNECKE RANCH & VINEYARD II LP K 16500 AMOUNT PAID