Nonprofits in Colorado
36,502 organizations in the IRS master file with a Colorado address, listed A to Z by name.
Public IRS records only
This list comes from the IRS master file, which anyone can download from irs.gov. Nothing on it comes from Fast File Exempt accounts or filings. We run this lookup; it isn’t an IRS service. About this data
All organizations, page 1 of 731
IRS master file dated October 13, 2026; loaded here on October 26, 2026.
0–9
- 1 HOPE THERAPEUTIC RIDINGEIN 92-0636349PARKER501(c)(3)
- 1 LOVEEIN 83-4183284DENVER501(c)(3)
- 1 PERCENT FOR OPEN SPACE INCEIN 84-1576444CRESTED BUTTE501(c)(3)
- 10-33 STMREIN 82-1655205ELIZABETH501(c)(3)
- 10 CAN INCEIN 47-2135088LOVELAND501(c)(3)
- 10 GREATEST GIFTS PROJECTEIN 83-3220640MANCOS501(c)(3)
- 100 CLUB OF MONTEZUMA COUNTYEIN 84-1480553CORTEZ501(c)(3)
- 100 MEN WHO COOKEIN 46-4866759DENVER501(c)(3)
- 1000 GRETAS FOUNDATIONEIN 85-2597264BOULDER501(c)(3)
- 10000 FATHERS INCEIN 46-2325700COLORADO SPGS501(c)(3)
- 1040 CAFEEIN 33-1592385AURORA501(c)(3)
- 1062001 COLORADO SOUTH CENTRAL AREA TEAM AGLOW INTERNATIONAL1062001 COLORADO CENTRAL AREA TEAMEIN 51-0145626COLORADO SPGS501(c)(3)
- 10FOUREIN 88-1877630DENVER501(c)(3)
- 10TH MOUNTAIN EQUINEEIN 83-3043452LAKE GEORGE501(c)(3)
- 10TH MOUNTAIN LACROSSE INCEIN 82-5441594DILLON501(c)(3)
- 10TH MOUNTAIN ROLLER DOLLSEIN 47-2567252EDWARDS501(c)(4)
- 11 AFTER THEATRE COMPANYEIN 93-3234312LAFAYETTE501(c)(3)
- 1111 COLLEGE INCEIN 27-0192105BOULDER501(c)(3)
- 11TH HOUR TRAUMA RETREATEIN 84-2606065CENTENNIAL501(c)(3)
- 12 DELTA OPERATIONS SQUADRONEIN 92-3040146COLORADO SPGS501(c)(3)
- 12 HOURS OF MESA VERDE INCEIN 45-4906061CORTEZ501(c)(3)
- 12 STEP RECREATION ASSOCIATION INCEIN 56-2497168DENVER501(c)(3)
- 121 RETREATEIN 33-1407883CASTLE PINES501(c)(3)
- 129 MINISTRIES129 OUTREACHEIN 41-4778896COLORADO SPGS501(c)(3)
- 12TH MOUNTAIN PERSPECTIVEEIN 33-2045026EDWARDS501(c)(3)
- 13-2 INITIATIVEEIN 92-2469874DENVER501(c)(3)
- 1311 YORK STREET CLUB INCEIN 84-0406809DENVER501(c)(3)
- 1318 ELEVENTH STREET CORPORATIONEIN 74-2154322LAKEWOOD501(c)(3)
- 140TH MXG BOOSTER CLUBEIN 33-3404609AURORA501(c)(3)
- 1445 MARKET STREET INCEIN 84-1153174DENVER501(c)(2)
- 14ERS BASEBALL CLUBEIN 33-3175344ELBERT501(c)(3)
- 16 15 THE GC MEDIA PROJECTEIN 38-3746275CASTLE ROCK501(c)(3)
- 17TH AVENUE REDIEIN 30-0054240DENVER501(c)(3)
- 17TH JD SENIOR LAW DAY SERVING ADAMS AND BROOMFIELD COUNTIESEIN 82-2895611BRIGHTON501(c)(3)
- 18 16 MINISTRIESEIN 41-5143461COLORADO SPGS501(c)(3)
- 18 HANDS COMMUNITY INCEIN 46-3049675ENGLEWOOD501(c)(3)
- 18 INTELLIGENCE SQUADRON BOOSTER CLUBEIN 92-3304611BUCKLEY SFB501(c)(19)
- 18 PRINCIPLES INCEIN 26-2686998CASTLE ROCK501(c)(3)
- 180 MINISTRIESEIN 83-1523772MERINO501(c)(3)
- 1847 OREGON TRAIL SOURDOUGH PRESERVATION SOCIETYEIN 33-2703327GREELEY501(c)(3)
- 1872 PROPERTIES OF ALPHA PHI INCEIN 31-1627255DENVER501(c)(7)
- 18TH JUDICIAL DISTRICT JUVENILE ASSESSMENT CENTEREIN 80-0364157DENVER501(c)(3)
- 1917 RANCH GROUP AT DEARFIELD INCEIN 99-4218181DENVER501(c)(3)
- 1940S BALL NFPEIN 90-0668554NIWOT501(c)(3)
- 1945 FOUNDATIONEIN 38-4041392FORT COLLINS501(c)(3)
- 1971 GHS FOOTBALL MEMORIAL FOUNDATION INCEIN 31-1500866GUNNISON501(c)(3)
- 1HOPE FOR CANCEREIN 27-4724698COLORADO SPGS501(c)(3)
- 1ST COLORADO TOP HANDSEIN 88-2143953COLORADO SPGS501(c)(3)
- 1ST SPACE BRIGADE BALL COMMITTEEEIN 92-3214141COLORADO SPGS501(c)(19)
- 1ST STOP REHABILITATION AND RECOVERY CENTEREIN 99-1342226CENTENNIAL501(c)(3)
Guides
- Form 990-N, 990-EZ or 990: which to fileThe three tests, what "normally $50,000" means, who must file Form 990 regardless, and who doesn't file at all.
- Form 990 for PTAs, PTOs and booster clubsWhether a unit under a state group exemption files its own return, which form, the July–June deadline, and the treasurer handover.
- Private foundation filing requirementsForm 990-PF, its deadline and extension, and the separate returns a foundation may owe.
- Who can file Form 990-NThe "normally $50,000 or less" test, what the e-Postcard asks for, and when it's due.
- Form 990-N filing problemsEIN not in IRS records, IRS sign-in, filing too early, late and prior-year notices, and checking a past filing.
- Form 990 filing deadlinesThe general due date for each tax-year end, and how weekends and holidays move it.
- Form 8868 extensionsWhen Form 8868 extends an annual return, and why tax is still due on the original date.
- Late filing penaltiesThe daily penalty for a late return, reasonable cause, and the three-year revocation rule.