531320 — Offices of Real Estate Appraisers
Description
This industry comprises establishments primarily engaged in estimating the fair market value of real estate (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Overview Facts
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)
Frequently Asked Questions (FAQ)
Is NAICS code 531320 valid in 2022? ▾
Yes, 531320 is a valid 6-digit 2022 NAICS national industry code representing 'Offices of Real Estate Appraisers' under Sector 53 in the official classification index.
What is the SBA size standard for NAICS code 531320? ▾
The Small Business Administration (SBA) has established a small business size standard of $9,500,000 for NAICS code 531320 (Offices of Real Estate Appraisers), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 531320? ▾
According to official Census Bureau concordance tables, NAICS code 531320 (Offices of Real Estate Appraisers) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 6531 - Real Estate Agents and Managers.
Related Pages & Tools
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.
- NAICS 531320 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Offices of Real Estate Appraisers).
- IRS PBA Code for Real Estate Appraisal — Principal Business Activity tax reporting details.
- 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.