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The Society of Industrial and Office Realtors

EIN 53-0184820 · Washington, DC

Public records raise at least one point you should look into before giving.

LegitimacyCautionRegistration and standingFinancial healthNot ratedToo small or too little detailGovernanceNot ratedToo small or too little detailImpact evidenceDescribes programsHow well its results are evidenced

What it says it does

THE SOCIETY OF INDUSTRIAL AND OFFICE REALTORS (SIOR) OF THE NATIONAL ASSOCIATION OF REALTORS IS A PROFESSIONAL ASSOCIATION WHICH MAINTAINS A DESIGNATED CERTIFYING EXPERTISE IN INDUSTRIAL AND OFFICE REAL ESTATE BROKERAGE. THE ORGANIZATION PROVIDES (CONTINUED ON SCHEDULE O) EDUCATION AT ITS TWO ANNUAL CONFERENCES AND PROVIDES A CODE OF ETHICS TO WHICH ITS MEMBERS SUBSCRIBE. SIOR HAS OVER 4,000 MEMBERS ALONG WITH A PRESENCE IN 50 COUNTRIES.

Income
$9.6 million
Spending
$9.8 million
Employees
19
Volunteers
450
Highest pay
$1.1 million, ceo

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. How we rate

Financial health

We do not score finances when yearly spending is very small or the return has too little detail. The ratios stop meaning much at that size.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. How we rate

Governance

This return does not answer enough of the governance questions to score.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (3)
  1. SIOR'S TWO SEMI-ANNUAL CONFERENCES PROVIDE ATTENDEES WITH OUTSTANDING EDUCATIONAL PROGRAMMING AND VALUABLE NETWORKING OPPORTUNITIES. EDUCATIONAL SESSION INSTRUCTORS COMMUNICATE CURRENT MARKET DATA AND CUTTING-EDGE INDUSTRY PRACTICES ENABLING SIOR MEMBERS TO REMAIN LEADERS IN COMMERCIAL REAL ESTATE.
  2. SIOR IDENTIFIES AND CERTIFIES FULLY QUALIFIED EXPERTS IN INDUSTRIAL AND OFFICE REAL ESTATE WITH THE SIOR DESIGNATION. TO QUALIFY FOR THE SIOR DESIGNATION, INDIVIDUALS MUST MEET SPECIFIED EDUCATIONAL AND VOLUME-OF BUSINESS REQUIREMENTS, AND ADHERE TO A STRICT CODE OF ETHICAL STANDARDS IN ACCORDANCE WITH SIOR'S CODE OF ETHICAL PRINCIPLES AND STANDARDS OF PROFESSIONAL PRACTICE.
  3. PRODUCTION OF PROFESSIONAL REPORT, THE OFFICIAL QUARTERLY MAGAZINE OF SIOR. THE MAGAZINE PROVIDES EDUCATIONAL ARTICLES, INDUSTRY TRENDS, AND MEMBER NEWS FOR DISSEMINATION TO SIOR MEMBERS AND THE BROADER COMMERCIAL REAL ESTATE COMMUNITY. ALSO, SIOR PROVIDES A "MEMBER FIND A MEMBER" SERVICE VIA THEIR WEBSITE.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(6) business league.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated October 13, 2026.

  3. Are donations tax-deductible? Caution.

    The IRS master file records contributions to this 501(c)(6) business league as not deductible.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending December 2024.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since November 2015.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 21, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.