Largest MLS in the country, providing unrivaled property listings, tools, and education for real estate professionals in California.
Overview
Market Highlights
Property types available through CA Regional Multiple Listing Service:
Key Features
- Largest MLS in the United States by listing count
- Serves 39 associations across Southern California
- Cloud-based platform with advanced mapping and search
- Compliance engine for listing accuracy enforcement
- InfoSparks market statistics and trend analysis
Contact & Location
Address:
15325 Fairfield Ranch Road, Suite 200 Chino Hills, CA 91709 USA
Phone: (909) 859-2040
Website: https://go.crmls.org/
About CA Regional Multiple Listing Service
CA Regional Multiple Listing Service serves real estate professionals across Southern California (Los Angeles, Orange, Riverside, San Bernardino, San Diego, Ventura counties and more), with 110,000+ members and access to 100,000+ active listings through the CRMLS platform. Founded in 2010, the organization has a long-standing role in shaping the local real estate market.
The Southern California (Los Angeles, Orange, Riverside, San Bernardino, San Diego, Ventura counties and more) market includes single-family homes, condominiums & townhomes, luxury estates, multi-family & investment properties, commercial real estate, vacant land & lots. California's diverse geography and high-demand markets drive strong competition across property types.
Infinity Curve provides custom IDX website development integrated with CRMLS via RETS / RESO Web API. Our solutions display live listings on your own website with interactive map search, property alerts, and lead capture — giving you direct control over your online presence instead of relying on third-party portals.
IDX Integration Details
Technical details for developers and agents integrating with CA Regional Multiple Listing Service:
| Feed Type | RETS / RESO Web API |
| Data Standard | RESO Data Dictionary |
| Update Frequency | Near real-time |
Work with CA Regional Multiple Listing Service
Infinity Curve offers MLS integration & IDX websites for CA Regional Multiple Listing Service and most other MLS services. We build custom IDX solutions that display live listings on your website, with map search, saved searches, and lead capture built in.