531320 — Offices of Real Estate Appraisers
Description
This industry comprises establishments primarily engaged in estimating the fair market value of real estate.
Overview Facts
| NAICS Code | 531320 |
|---|---|
| Industry Title | Offices of Real Estate Appraisers |
| SBA Size Standard | $9,500,000 |
| U.S. Establishments | 12,346 (Census CBP, 2023) |
| IRS PBA Code | 531320 (exact match) |
| Sectors Hierarchy | Sector 53 → 531 → 5313 |
| Source / Verified | US Census 2022 NAICS Manual, Census CBP / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 6531 - Real Estate Agents and Managers (via SIC1987:6531→NAICS1997:53132→2002:531320→2007:531320→2012:531320→2017:531320→2022:531320)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC R402 — Real Estate Brokerage Services
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 531320:
- Sector 53 Directory Hub — List of related industries in the Real Estate and Rental and Leasing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 5313
Frequently Asked Questions (FAQ)
Is 531320 a valid 2022 NAICS code?
NAICS 531320 is 'Offices of Real Estate Appraisers', a 2022 U.S. national industry under Sector 53 (Real Estate and Rental and Leasing); the SBA small-business size standard is $9,500,000.
What is the SBA size standard for NAICS 531320?
The SBA small business size standard for NAICS 531320 is $9,500,000 (based on receipts).
What is the legacy SIC code mapping for 531320?
NAICS code 531320 maps to the legacy 1987 SIC codes: 6531 - Real Estate Agents and Managers.