{"ein":"911703239","name":"Katherine Olson Foundation","city":"SEATTLE","state":"WA","ntee_code":"O50Z","subsection_code":"03","form_type":"990PF","totals":{"paid_usd":71350,"paid_count":31,"recipient_count":23,"approved_future_usd":0,"approved_future_count":0,"first_tax_year":2018,"last_tax_year":2025,"grant_rows":31},"years":[{"tax_year":2018,"amount_type":"paid","usd":17800,"count":9},{"tax_year":2019,"amount_type":"paid","usd":14550,"count":8},{"tax_year":2020,"amount_type":"paid","usd":9000,"count":5},{"tax_year":2021,"amount_type":"paid","usd":6000,"count":2},{"tax_year":2022,"amount_type":"paid","usd":10000,"count":2},{"tax_year":2023,"amount_type":"paid","usd":2000,"count":1},{"tax_year":2024,"amount_type":"paid","usd":11000,"count":3},{"tax_year":2025,"amount_type":"paid","usd":1000,"count":1}],"top_recipients":[{"name":"Virginia V Foundation","ein":null,"tier":"U","confidence":null,"city":"Seattle","state":"WA","paid_usd":12000,"count":4,"last_tax_year":2024},{"name":"Univ of Washington Foundation","ein":"943079432","tier":"B","confidence":0.92,"city":"Seattle","state":"WA","paid_usd":10000,"count":2,"last_tax_year":2019},{"name":"Univ of Wa Foundation","ein":null,"tier":"U","confidence":null,"city":"Seattle","state":"WA","paid_usd":5000,"count":1,"last_tax_year":2021},{"name":"Oregon State University","ein":null,"tier":"U","confidence":null,"city":"Corvallis","state":"OR","paid_usd":5000,"count":1,"last_tax_year":2019},{"name":"Inspiring Girls Expeditions","ein":null,"tier":"U","confidence":null,"city":"Corvallis","state":"OR","paid_usd":5000,"count":1,"last_tax_year":2022},{"name":"Cholaniocarcinoma Fdn","ein":null,"tier":"U","confidence":null,"city":"Herriman","state":"UT","paid_usd":5000,"count":1,"last_tax_year":2022},{"name":"AARP Foundation","ein":"520794300","tier":"B","confidence":0.94,"city":"Washington","state":"DC","paid_usd":5000,"count":1,"last_tax_year":2024},{"name":"St John's Episcobal Church","ein":"910630757","tier":"D","confidence":0.65,"city":"Seattle","state":"WA","paid_usd":5000,"count":1,"last_tax_year":2020},{"name":"CASA Family Law of King County","ein":null,"tier":"U","confidence":null,"city":"Seattle","state":"WA","paid_usd":4500,"count":3,"last_tax_year":2023},{"name":"Evergreen School","ein":"910756462","tier":"B","confidence":0.92,"city":"Seattle","state":"WA","paid_usd":3250,"count":3,"last_tax_year":2021},{"name":"Univ of Washington","ein":"222764358","tier":"B","confidence":0.92,"city":"Seattle","state":"WA","paid_usd":2500,"count":1,"last_tax_year":2018},{"name":"Univ of Wa - Dept of Econ","ein":null,"tier":"U","confidence":null,"city":"Seattle","state":"WA","paid_usd":2000,"count":1,"last_tax_year":2018},{"name":"ALS Association","ein":null,"tier":"U","confidence":null,"city":"Arlington","state":"VA","paid_usd":1000,"count":1,"last_tax_year":2025},{"name":"Lake Union Civic Orchestra","ein":"911721850","tier":"B","confidence":0.94,"city":"Seattle","state":"WA","paid_usd":1000,"count":1,"last_tax_year":2024},{"name":"Hearthstone Fund","ein":"934642037","tier":"C","confidence":0.86,"city":"Seattle","state":"WA","paid_usd":1000,"count":1,"last_tax_year":2020},{"name":"University Lions Foundation","ein":null,"tier":"U","confidence":null,"city":"Seattle","state":"WA","paid_usd":1000,"count":1,"last_tax_year":2018},{"name":"Univ of Wa Athletics","ein":null,"tier":"U","confidence":null,"city":"Seattle","state":"WA","paid_usd":500,"count":1,"last_tax_year":2020},{"name":"Union Gospel Mission","ein":null,"tier":"U","confidence":null,"city":"Seattle","state":"WA","paid_usd":500,"count":1,"last_tax_year":2018},{"name":"National MS Society","ein":null,"tier":"U","confidence":null,"city":"Seattle","state":"WA","paid_usd":500,"count":1,"last_tax_year":2018},{"name":"St Marks Episcopal Church","ein":null,"tier":"U","confidence":null,"city":"Cocoa","state":"FL","paid_usd":500,"count":1,"last_tax_year":2019},{"name":"Childrens Orthopedic Hospital","ein":null,"tier":"U","confidence":null,"city":"Seattle","state":"WA","paid_usd":500,"count":1,"last_tax_year":2019},{"name":"Cancer Care Alliance","ein":"834287509","tier":"D","confidence":0.5,"city":"Seattle","state":"WA","paid_usd":300,"count":1,"last_tax_year":2018},{"name":"George Pocock Rowing Foundation","ein":"911276445","tier":"D","confidence":0.56,"city":"Seattle","state":"WA","paid_usd":300,"count":1,"last_tax_year":2019}],"recent_grants":[{"grant_id":"8ff66883dc8fe339044b65aff3a455df","tax_year":2025,"amount_type":"paid","amount_usd":1000,"noncash_amount_usd":null,"recipient_name":"ALS Association","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"Support of public charity programs","city":"Arlington","state":"VA","recipient_type":"organization","object_id":"202641319349103274"},{"grant_id":"b57af84efb5f890d2d5094b186d2258e","tax_year":2024,"amount_type":"paid","amount_usd":5000,"noncash_amount_usd":null,"recipient_name":"AARP Foundation","recipient_ein":"520794300","match_tier":"B","match_confidence":0.94,"match_method":"name_zip5_state_exact","purpose":"Support of public charity programs","city":"Washington","state":"DC","recipient_type":"organization","object_id":"202511329349101621"},{"grant_id":"bd668c3fb530f2454122167762977527","tax_year":2024,"amount_type":"paid","amount_usd":5000,"noncash_amount_usd":null,"recipient_name":"Virginia V Foundation","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"Support of public charity","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"202511329349101621"},{"grant_id":"75f1e2c54dff5c517e5f3bf7d24763b2","tax_year":2024,"amount_type":"paid","amount_usd":1000,"noncash_amount_usd":null,"recipient_name":"Lake Union Civic Orchestra","recipient_ein":"911721850","match_tier":"B","match_confidence":0.94,"match_method":"name_zip5_state_exact","purpose":"Support of public charity programs","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"202511329349101621"},{"grant_id":"e2fa526b56faaa9cafed0c7baae9c6e8","tax_year":2023,"amount_type":"paid","amount_usd":2000,"noncash_amount_usd":null,"recipient_name":"CASA Family Law of King County","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"Support of public charity","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"202401319349101595"},{"grant_id":"a6f765e14ea4ff9fe00ff0244a75430b","tax_year":2022,"amount_type":"paid","amount_usd":5000,"noncash_amount_usd":null,"recipient_name":"Cholaniocarcinoma Fdn","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"Support of public charity programs","city":"Herriman","state":"UT","recipient_type":"organization","object_id":"202321309349103577"},{"grant_id":"ea34d1dbbf78647e670fafa62268d3b8","tax_year":2022,"amount_type":"paid","amount_usd":5000,"noncash_amount_usd":null,"recipient_name":"Inspiring Girls Expeditions","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"Support of public charity programs","city":"Corvallis","state":"OR","recipient_type":"organization","object_id":"202321309349103577"},{"grant_id":"d26b05494b5e202fd4aa0284459647d2","tax_year":2021,"amount_type":"paid","amount_usd":5000,"noncash_amount_usd":null,"recipient_name":"Univ of Wa Foundation","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"Support of public charity","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"202221239349101037"},{"grant_id":"f1a6fbec9a0c5f40a6a83148e9ec61b5","tax_year":2021,"amount_type":"paid","amount_usd":1000,"noncash_amount_usd":null,"recipient_name":"Evergreen School","recipient_ein":"910756462","match_tier":"B","match_confidence":0.92,"match_method":"name_zip5_state_exact","purpose":"Support of public charity programs","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"202221239349101037"},{"grant_id":"652fc6dd5730cf091b56bb619cdfe948","tax_year":2020,"amount_type":"paid","amount_usd":5000,"noncash_amount_usd":null,"recipient_name":"St John's Episcobal Church","recipient_ein":"910630757","match_tier":"D","match_confidence":0.65,"match_method":"name_jw_state","purpose":"Support of public charity","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"202101279349101675"},{"grant_id":"c2e87a7840d9bad00932481e9064966a","tax_year":2020,"amount_type":"paid","amount_usd":1500,"noncash_amount_usd":null,"recipient_name":"CASA Family Law of King County","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"Support of public charity","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"202101279349101675"},{"grant_id":"656fc4373828ebb9efee9b6a8eaa3b43","tax_year":2020,"amount_type":"paid","amount_usd":1000,"noncash_amount_usd":null,"recipient_name":"Hearthstone Fund","recipient_ein":"934642037","match_tier":"C","match_confidence":0.86,"match_method":"name_jw_zip5","purpose":"Support of public charity","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"202101279349101675"},{"grant_id":"d709ce045a6249b8cfe808d591cc2b31","tax_year":2020,"amount_type":"paid","amount_usd":1000,"noncash_amount_usd":null,"recipient_name":"Virginia V Foundation","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"Support of public charity","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"202101279349101675"},{"grant_id":"bf92f5a585f25b554e975366abdb5311","tax_year":2020,"amount_type":"paid","amount_usd":500,"noncash_amount_usd":null,"recipient_name":"Univ of Wa Athletics","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"Support of public charity","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"202101279349101675"},{"grant_id":"55f1f69ef28d4366455b0da878fe129f","tax_year":2019,"amount_type":"paid","amount_usd":5000,"noncash_amount_usd":null,"recipient_name":"Univ of Washington Foundation","recipient_ein":"943079432","match_tier":"B","match_confidence":0.92,"match_method":"name_zip5_state_exact","purpose":"Support for public charity","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"202031629349100903"},{"grant_id":"ed8fad3cffcb180dc7d759b9c2f28205","tax_year":2019,"amount_type":"paid","amount_usd":5000,"noncash_amount_usd":null,"recipient_name":"Oregon State University","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"ambiguous_11_candidates","purpose":"Higher education","city":"Corvallis","state":"OR","recipient_type":"organization","object_id":"202031629349100903"},{"grant_id":"6996eb8713168698702e56e2f186b2f9","tax_year":2019,"amount_type":"paid","amount_usd":1250,"noncash_amount_usd":null,"recipient_name":"Evergreen School","recipient_ein":"910756462","match_tier":"B","match_confidence":0.92,"match_method":"name_zip5_state_exact","purpose":"Support for public charity","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"202031629349100903"},{"grant_id":"0fe9cab1667daf5c2cb7b804cf459586","tax_year":2019,"amount_type":"paid","amount_usd":1000,"noncash_amount_usd":null,"recipient_name":"CASA Family Law of King County","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"Program support","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"202031629349100903"},{"grant_id":"719e2efb5b133350ba72a7354b574c35","tax_year":2019,"amount_type":"paid","amount_usd":1000,"noncash_amount_usd":null,"recipient_name":"Virginia V Foundation","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"Funding of selected public charities","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"202031629349100903"},{"grant_id":"6c754dbf36eb0c56fa8eccb18d8e8c79","tax_year":2019,"amount_type":"paid","amount_usd":500,"noncash_amount_usd":null,"recipient_name":"St Marks Episcopal Church","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"ambiguous_13_candidates","purpose":"Program support","city":"Cocoa","state":"FL","recipient_type":"organization","object_id":"202031629349100903"},{"grant_id":"a14867e99fe8ff033dc14078fd5101b0","tax_year":2019,"amount_type":"paid","amount_usd":500,"noncash_amount_usd":null,"recipient_name":"Childrens Orthopedic Hospital","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"Research","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"202031629349100903"},{"grant_id":"368a2055d2801d582a8a426ce159b5a4","tax_year":2019,"amount_type":"paid","amount_usd":300,"noncash_amount_usd":null,"recipient_name":"George Pocock Rowing Foundation","recipient_ein":"911276445","match_tier":"D","match_confidence":0.56,"match_method":"name_jw_state","purpose":"Program support","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"202031629349100903"},{"grant_id":"ca0795e2de8bfe19e9f7fe6964c39a8f","tax_year":2018,"amount_type":"paid","amount_usd":5000,"noncash_amount_usd":null,"recipient_name":"Virginia V Foundation","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"Funding of selected public charities","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"201901349349103925"},{"grant_id":"cba3f22d8ddaec7f09d5aa934a0a750e","tax_year":2018,"amount_type":"paid","amount_usd":5000,"noncash_amount_usd":null,"recipient_name":"Univ of Washington Foundation","recipient_ein":"943079432","match_tier":"B","match_confidence":0.92,"match_method":"name_zip5_state_exact","purpose":"Support for public charity","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"201901349349103925"},{"grant_id":"1f6131037d21e88b3b1f1731f2fead95","tax_year":2018,"amount_type":"paid","amount_usd":2500,"noncash_amount_usd":null,"recipient_name":"Univ of Washington","recipient_ein":"222764358","match_tier":"B","match_confidence":0.92,"match_method":"name_zip5_state_exact","purpose":"Support for public charity","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"201901349349103925"},{"grant_id":"c1b947b9602710555818c2e8adbe7a2e","tax_year":2018,"amount_type":"paid","amount_usd":2000,"noncash_amount_usd":null,"recipient_name":"Univ of Wa - Dept of Econ","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"recipient_type_government","purpose":"Funding of selected public charities","city":"Seattle","state":"WA","recipient_type":"government","object_id":"201901349349103925"},{"grant_id":"004777dcf6b914a35d1727c6aadea28f","tax_year":2018,"amount_type":"paid","amount_usd":1000,"noncash_amount_usd":null,"recipient_name":"Evergreen School","recipient_ein":"910756462","match_tier":"B","match_confidence":0.92,"match_method":"name_zip5_state_exact","purpose":"Support for public charity","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"201901349349103925"},{"grant_id":"3d543910ede973903a6e4427efbb3788","tax_year":2018,"amount_type":"paid","amount_usd":1000,"noncash_amount_usd":null,"recipient_name":"University Lions Foundation","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"Funding of selected public charities","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"201901349349103925"},{"grant_id":"651c66314ef4a9972600504efee7018d","tax_year":2018,"amount_type":"paid","amount_usd":500,"noncash_amount_usd":null,"recipient_name":"Union Gospel Mission","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"ambiguous_4_candidates","purpose":"Support for public charity","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"201901349349103925"},{"grant_id":"a6c58256ab386b7a403182c7da32c3ee","tax_year":2018,"amount_type":"paid","amount_usd":500,"noncash_amount_usd":null,"recipient_name":"National MS Society","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"ambiguous_3_candidates","purpose":"Support for public charity","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"201901349349103925"},{"grant_id":"883bb1570944f586134d1e7de17041d7","tax_year":2018,"amount_type":"paid","amount_usd":300,"noncash_amount_usd":null,"recipient_name":"Cancer Care Alliance","recipient_ein":"834287509","match_tier":"D","match_confidence":0.5,"match_method":"name_jw_state","purpose":"Support for public charity","city":"Seattle","state":"WA","recipient_type":"organization","object_id":"201901349349103925"}],"filings":[{"object_id":"202641319349103274","tax_period_end":"2025-12-31","filing_submission_date":null,"return_version":"2025v4.1","filing_year":2026,"tax_year":2025,"form_type":"990PF"},{"object_id":"202511329349101621","tax_period_end":"2024-12-31","filing_submission_date":null,"return_version":"2024v5.1","filing_year":2025,"tax_year":2024,"form_type":"990PF"},{"object_id":"202401319349101595","tax_period_end":"2023-12-31","filing_submission_date":null,"return_version":"2023v5.0","filing_year":2024,"tax_year":2023,"form_type":"990PF"},{"object_id":"202321309349103577","tax_period_end":"2022-12-31","filing_submission_date":null,"return_version":"2022v5.0","filing_year":2023,"tax_year":2022,"form_type":"990PF"},{"object_id":"202221239349101037","tax_period_end":"2021-12-31","filing_submission_date":null,"return_version":"2021v4.0","filing_year":2022,"tax_year":2021,"form_type":"990PF"},{"object_id":"202101279349101675","tax_period_end":"2020-12-31","filing_submission_date":null,"return_version":"2020v4.0","filing_year":2021,"tax_year":2020,"form_type":"990PF"},{"object_id":"202031629349100903","tax_period_end":"2019-12-31","filing_submission_date":null,"return_version":"2019v5.0","filing_year":2020,"tax_year":2019,"form_type":"990PF"},{"object_id":"201901349349103925","tax_period_end":"2018-12-31","filing_submission_date":null,"return_version":"2018v3.1","filing_year":2019,"tax_year":2018,"form_type":"990PF"}],"chunked":false,"dataset_version":"2026.09.0","built_at":"2026-09-03T21:13:09+00:00"}