Glossary · Listings & the MLS

Virtual Office Website (VOW)

A Virtual Office Website (VOW) is a broker's website that displays MLS listing data to consumers who register and establish a broker-consumer relationship, usually by creating an account and accepting terms. Because visitors register, a VOW can generally show more detailed information than a public IDX site, subject to MLS rules. VOW policies were designed to give online brokerages access comparable to traditional offices.

Also known as: VOW

How does a VOW work?

A consumer creates an account on the broker's site, agrees to terms of use, and thereby forms a broker-consumer relationship. That registration unlocks a deeper view of MLS data than a public feed shows. The broker must follow MLS rules on what can be displayed and how accounts are managed.

Registration is the key mechanic. By signing up and accepting terms, the consumer becomes a client of the brokerage for online purposes, much like walking into a physical office and asking an agent for help.

Once registered, the visitor can see expanded fields that MLS rules may withhold from public IDX pages. The broker remains responsible for honoring display limits, opt-outs by listing brokers, and other MLS requirements, which vary by system.

Why does a VOW matter?

A VOW lets online-first brokerages serve clients with the same depth of information a brick-and-mortar office could share. It levels the field between web-based and traditional firms and gives registered consumers richer data to research homes, subject to MLS rules and any listing-broker opt-outs.

The VOW framework grew out of policy efforts to ensure internet brokerages were not denied data available to traditional offices. For consumers, that means a registered account can reveal more useful detail for serious research.

What is the difference between a VOW and IDX?

The core difference is registration. IDX generally shows public listing data with no login, while a VOW requires an account and a broker-consumer relationship, which lets it display expanded data. Both draw from the MLS, but the VOW's registration gate is what unlocks the deeper view.

Many brokerage sites run both. A visitor can browse public IDX results freely, then register to access VOW features and see additional detail. What is available behind registration varies by MLS and by any opt-outs listing brokers have chosen.

Worked example. For example, an online brokerage invites a shopper to create a free account. After agreeing to terms, the shopper gains a broker-consumer relationship and can view expanded listing details that were hidden on the public pages. The broker now treats that visitor as a registered client and can follow up directly.

VOW compared with IDX
FeatureVOWIDX
RegistrationRequiredUsually not required
RelationshipBroker-consumer relationship formedNone required
Data depthCan be expanded, subject to rulesPublic listing fields
PurposeServe registered clients onlinePublic search and lead capture

Common mistakes with Virtual Office Website

  • Do not assume every MLS allows the same expanded data on a VOW, because display rules and listing-broker opt-outs vary.
  • Avoid treating VOW registration as meaningless fine print, since it forms a broker-consumer relationship with real terms.
  • Do not confuse a VOW with IDX; the registration requirement and deeper data access set them apart.
  • Brokers should not ignore listing-broker opt-outs, as sellers and their brokers may restrict how their data appears on VOWs.
  • Consumers should not expect a VOW to reveal confidential deal terms, because sensitive fields remain limited under MLS rules.
Related terms

Virtual Office Website FAQ

What does VOW stand for in real estate?
VOW stands for Virtual Office Website. It is a broker's website that shows MLS listing data to consumers who register and form a broker-consumer relationship. The registration requirement distinguishes it from IDX and allows the site to display expanded information, subject to each MLS's rules.
Why do some sites make me create an account to see listings?
That is often a VOW feature. By registering and accepting terms, you form a broker-consumer relationship that lets the site show expanded MLS data withheld from public pages. It also lets the brokerage follow up with you as a client. Requirements vary by MLS.
Does a VOW show more than a public listing site?
It can. Because registered visitors have a broker relationship, a VOW may display fields that public IDX pages omit, such as certain history or detail. What appears depends on MLS rules and whether listing brokers opted out. It rarely reveals confidential negotiation terms.
Is registering on a VOW a commitment to work with that broker?
Registration forms a broker-consumer relationship for online purposes and binds you to the site's terms, but it is generally not the same as a signed representation agreement. You can usually still choose your own agent. Read the terms carefully, since specifics vary by brokerage and MLS.
Can a listing broker keep a home off a VOW?
Often yes. MLS rules typically let listing brokers or their sellers opt out of certain online display, including VOW display, in specific ways. When that happens, the listing may not appear or may show limited detail on registered sites. Opt-out options vary by MLS.
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