# NAICS 531390: Other Activities Related to Real Estate

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [531390 Other Activities Related to Real Estate](https://bidrover.com/naics/531390)

This industry comprises establishments primarily engaged in performing real estate related services (except lessors of real estate, offices of real estate agents and brokers, real estate property managers, and offices of real estate appraisers).

- NAICS code: 531390
- Title: Other Activities Related to Real Estate
- Sector: 53 Real Estate and Rental and Leasing
- Subsector: 531 Real Estate
- Industry group: 5313 Activities Related to Real Estate
- SBA size standard: $19.5 million average annual receipts
- Open bids on BidRover: 0

## Open bids (0)

No open bids cite this code right now.

## Frequently asked questions

### What is NAICS code 531390?

NAICS 531390 is "Other Activities Related to Real Estate" in the 2022 North American Industry Classification System, in sector 53 (Real Estate and Rental and Leasing). This industry comprises establishments primarily engaged in performing real estate related services (except lessors of real estate, offices of real estate agents and brokers, real estate property managers, and offices of real estate appraisers).

### What is the SBA size standard for NAICS 531390?

A business is small under NAICS 531390 at or below $19.5 million average annual receipts, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 531390?

No open bid in BidRover cites NAICS 531390 right now. Many state and local notices do not list a NAICS code, so a keyword alert for this work catches more of them.

### How do I get alerts for NAICS 531390 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

- [531210 Offices of Real Estate Agents and Brokers](https://bidrover.com/naics/531210)
- [531320 Offices of Real Estate Appraisers](https://bidrover.com/naics/531320)
- [541191 Title Abstract and Settlement Offices](https://bidrover.com/naics/541191)
- [531311 Residential Property Managers](https://bidrover.com/naics/531311)
- [531312 Nonresidential Property Managers](https://bidrover.com/naics/531312)

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Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.