
Get Your West Penn MLS (WPMLS) IDX Website
A faster, better IDX website built for REALTORS® and brokers across Pittsburgh and the 16-county West Penn MLS coverage area.

A faster, better IDX website built for REALTORS® and brokers across Pittsburgh and the 16-county West Penn MLS coverage area.
Your OSI IDX website connects directly to the West Penn MLS (WPMLS) data feed, giving Pittsburgh-area REALTORS® and brokers a fast, modern IDX websites for REALTORS® platform without the clutter of a shared template. Listings sync automatically every 10 minutes, so buyers and sellers browsing your site always see current inventory pulled straight from the same data your MLS runs on.
Every West Penn MLS IDX website is semi-custom built around your brand – not a one-size-fits-all design shared with hundreds of other agents – and comes with flat, all-inclusive pricing that covers your site, hosting, and your WPMLS feed.
Trusted by 1,000+ REALTORS® & Brokers
A direct West Penn MLS feed is only part of the equation. Here’s what sets an OSI IDX website apart from other West Penn MLS IDX vendors:
How often are listings updated on my West Penn MLS IDX website?
Your OSI IDX website pulls listings directly from the West Penn MLS feed and refreshes automatically every 10 minutes, so buyers always see current inventory.
How long does it take to launch my West Penn MLS IDX website?
Most West Penn MLS IDX websites launch in 5-7 business days, depending on how quickly you provide your content and design preferences.
How much does the West Penn MLS IDX feed cost?
Your West Penn MLS IDX feed is $25/month. See full pricing details
Will my West Penn MLS IDX website reflect the look and feel of western Pennsylvania?
Yes. Our design team builds your site around your own brand and photography, layered with professional Getty imagery and video that showcases the Pittsburgh and western PA market.
My brokerage belongs to a specific association, like RAMP or Westmoreland REALTORS® Association - will my IDX website still work?
Yes. West Penn MLS is shared across REALTORS® Association of Metropolitan Pittsburgh, Westmoreland REALTORS® Association, and several other member associations in the region, so your OSI IDX website works the same way regardless of which West Penn MLS-affiliated association you belong to.
Does my West Penn MLS IDX website cover the whole 16-county service area?
Yes. Your West Penn MLS IDX website pulls listings from anywhere across the full 16-county coverage area, from Pittsburgh and Allegheny County out to Erie, Somerset, and Westmoreland Counties.
West Penn MLS (WPMLS) is the primary multiple listing service for the Pittsburgh region, with a coverage area spanning 16 counties in western Pennsylvania: Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford, Erie, Fayette, Greene, Indiana, Lawrence, Mercer, Somerset, Venango, Washington, and Westmoreland. Whether you work downtown Pittsburgh, the North Hills, or communities further out across western PA, your OSI IDX website pulls listings straight from the West Penn MLS feed your brokerage already relies on.
These are the REALTOR® Associations that make it possible:
Join Pittsburgh agents who’ve made the switch to a faster, better West Penn MLS (WPMLS) IDX REALTOR® website. See what’s included


