SIC Code for Real Estate
The official Standard Industrial Classification (SIC) code representing Real Estate is primary SIC code 6531 (Real Estate Agents and Managers).
SIC Classification Details
| SIC Code | 6531 |
|---|---|
| Official Title | Real Estate Agents and Managers |
| Mapped NAICS Equivalent | 531390 - Other Activities Related to Real Estate |
| OSHA Grouping | Division Division H: Finance, Insurance, and Real Estate · Major Group Major Group 65: Real Estate |
Understanding the Real Estate SIC Classification
Businesses operating in the Real Estate sector are historically classified under SIC code 6531 (Real Estate Agents and Managers). Although the Standard Industrial Classification (SIC) system was last updated in 1987, it remains widely used for state safety regulations (OSHA), B2B marketing databases, and historical commercial profiling.
To comply with modern federal standards, businesses typically need to translate their legacy SIC classifications into the equivalent modern NAICS formats. This page provides bidirectional concordance mappings to bridge the generational gap in business coding.
Why This Classification Code Matters
Industrial codes are not merely administrative labels; they dictate how your company is treated by regulatory bodies:
- OSHA Safety Recordkeeping: The Department of Labor and OSHA still compile injury and safety data using the legacy 1987 SIC taxonomy.
- B2B Credit & Financial Reports: Business bureaus like Dun & Bradstreet maintain credit histories utilizing SIC system registers.
- Modern Compliance Transitions: Transitioning from SIC to NAICS is necessary for active registration on SAM.gov and qualifying for Small Business Administration (SBA) set-asides.
How to Translate and Use Your Classification Code
- Audit Your Legacy SIC Code: Check old state tax records, commercial leases, or workers' comp insurance policies to find your legacy SIC.
- Crosswalk to NAICS: Convert your code dynamically using the crosswalk. Mapped NAICS code is 531390.
- Submit Updated Compliance Forms: File update schedules with state registration agents and credit portals.
Bidirectional Concordance Crosswalk
To convert your classification between modern and historical databases, use the direct crosswalk link. The primary modern Census NAICS equivalent is 531390 (Other Activities Related to Real Estate). For a full concordance map, view the SIC 6531 to NAICS 531390 Crosswalk.
Alternate and Sub-Industry Mappings
Depending on specific business functions, your organization may also fall under these alternate classifications:
No alternate SIC codes mapped.
Related Compliance Directories
Frequently Asked Questions (FAQ)
What is the equivalent SIC code for Real Estate?
The primary Standard Industrial Classification (SIC) code equivalent for Real Estate is 6531, officially titled 'Real Estate Agents and Managers' in the 1987 OSHA manual standard.
What is the primary NAICS code for Real Estate?
The official NAICS code representing Real Estate is 531390. The standard industry title is 'Other Activities Related to Real Estate' under the 2022 Census classifications.
Are SBA size standards applicable to NAICS code 531390?
Yes, companies operating under NAICS code 531390 are evaluated under SBA size standards to determine small business status. The active standard is $19.50 Million (Basis: Receipts).
What IRS Principal Business Activity (PBA) code matches Real Estate?
The IRS requires declaring a Principal Business Activity code on Schedule C (Form 1040), Form 1065, or Form 1120. For Real Estate, you should declare 531390 (or the IRS PBA equivalent) derived from NAICS.
Where do I use the NAICS code 531390 in business administration?
This code is mandatory for government contractor entity registration on SAM.gov, federal grant applications, SBA small business loan certification, and private commercial insurance policies.
Can my Real Estate business list secondary classification codes?
Yes. While you must register one primary NAICS code representing the activity generating the majority of your company's revenue, you can list secondary NAICS and SIC codes on SAM.gov.
What is the difference between NAICS and SIC codes for Real Estate?
NAICS (2022) is organized by production processes and is used by all modern federal agencies. SIC (1987) is an older system organized by end products and is still used in historical databases.
How do I verify that my Real Estate company code is correct?
You can verify your classification by auditing your primary source of revenue and checking it against the definitions in the U.S. Census Bureau 2022 NAICS Manual.
Sources & Cited References
- U.S. Census Bureau: Official 2022 NAICS Classification Manual
- U.S. Small Business Administration (SBA): Table of Small Business Size Standards
- Internal Revenue Service (IRS): Principal Business Activity Codes Instructions
- U.S. Department of Labor (OSHA): Standard Industrial Classification (SIC) Search Manual
- System for Award Management (SAM.gov): Official Entity Registration and Contract Data Portal
- Defense Logistics Agency (DLA): Commercial and Government Entity (CAGE) Lookup Registry
- Federal Acquisition Regulation (FAR): FAR Part 19 - Small Business Contracting Programs
- U.S. Census Bureau: County Business Patterns (CBP) Establishment Statistics
- Global Legal Entity Identifier Foundation (GLEIF): Legal Entity Identifier (LEI) Global Index Search
- Dun & Bradstreet (D&B): DUNS Number Registration & Business Credit Lookup