GPPI Portal Profile · 2025

Apartments.com

One of the largest U.S. rental listing portals, owned by CoStar Group; connects renters with apartments, houses, condos, and townhomes for rent nationwide, backed by CoStar's commercial real estate data infrastructure

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Last updated: 2026-02-24Confidence:MediumSources:GPPI researchPublic information

Analysis byCoraly Research Team·Editorial Team

Informational profile summary based on GPPI research and public information. Not legal, financial, or investment advice.

GPPI Summary

Apartments.com is the United States' largest dedicated rental listings marketplace, owned by CoStar Group since 2014. Originally founded in 1992, the platform connects millions of renters each month with apartments, houses, condominiums, and townhomes for rent nationwide. Landlords and property management companies list units directly, while renters browse, schedule tours, and submit applications free of charge. CoStar's underlying commercial data infrastructure enhances building-level information, photos, and neighbourhood insights. The platform competes with Zillow Rentals, Zumper, and HotPads within the US online rental search ecosystem.

Compare with a rival portal:Apartments.com vs Realtor.com →

Key takeaways

1.Positioning: One of the largest U.S. rental listing portals, part of CoStar Group's consumer real estate network alongside Homes.com, LoopNet, and others
2.Marketplace model: Rental listings marketplace (B2C/B2B2C), serving renters and property managers/landlords.
3.Monetization: Listing subscriptions and advertising for property managers and landlords; data products backed by CoStar's commercial intelligence platform.
4.Product emphasis: Apartment search with rich filters, 3D tours, virtual tours, renter reviews, and lease management tools for landlords.
5.GPPI lens: assessed across Listing Quality, Discoverability, Market Experience, and Product Innovation (full index access for verified operators).

GPPI Answer Box: Apartments.com

A quick reference.

-Geographies served: United States (nationwide).
-Marketplace model: Rental listings marketplace (B2C/B2B2C).
-Primary monetization: Listing subscriptions and advertising for property managers; data products.
-Product emphasis: Apartment search, 3D and virtual tours, renter reviews, landlord lease tools.
-GPPI lens: Listing Quality · Discoverability · Market Experience · Product Innovation.

At a glance

Domain

apartments.com

Headquarters

Washington, D.C., USA (CoStar Group HQ)

Founded

1992

Core market

United States (nationwide)

Geographies served

United States (nationwide)

Marketplace type

Rental listings marketplace (B2C/B2B2C)

Monetization

Listing subscriptions and advertising for property managers; data products

Ownership

CoStar Group (acquired 2014)

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Overview

Apartments.com is one of the largest rental listing portals in the United States, founded in 1992 and acquired by CoStar Group in 2014. It operates as part of CoStar's consumer real estate portfolio alongside Homes.com, LoopNet, and other platforms.

The platform connects renters with apartments, houses, condos, and townhomes for rent across the country. For property managers and landlords, it offers listing subscription packages, advertising products, and tools for tenant screening, lease management, and rent collection.

Market model: Apartments.com serves renters searching for residential rental properties nationwide, and property managers and landlords looking to list, advertise, and manage rental units. CoStar Group's broader commercial real estate data infrastructure supports the platform's listing coverage and market intelligence capabilities.

Business model

Monetization signals

1.Revenue stream: Listing subscription packages for property managers and landlords (tiered pricing by listing volume and feature set)
2.Revenue stream: Advertising and featured placement products for multifamily operators
3.Revenue stream: Tenant screening, lease management, and online rent collection tools (ancillary services)
4.Revenue stream: Data products and market intelligence backed by CoStar Group's commercial data infrastructure
5.Pricing model: Subscription-based for property managers; free search for renters

Product and technology

GPPI tracks product signals that typically drive engagement, conversion, and operational efficiency, without assuming that a feature list alone equals value.

Product signals

1.Apartment and rental home search with map view, advanced filters, and commute-time tools
2.3D tours, virtual tours, and photo/video media for rental listings
3.Renter reviews and ratings for apartment communities
4.Landlord and property manager tools: online applications, tenant screening, lease signing, and rent collection
5.Market data and average rent reporting (national and metro-level, cited by analysts and media)
6.Mobile app for iOS and Android with saved search and alert features

FAQ

What is Apartments.com and how does it work?

Apartments.com is a US rental marketplace, owned by CoStar Group, where renters search apartments, houses, condominiums, and townhomes for rent, then contact landlords or apply for rentals directly through the platform.

How does Apartments.com make money?

Apartments.com earns revenue by selling listing packages and lead products to landlords and property management companies, which pay to post their available units and receive enquiries and applications. Renter access is free.

What is Apartments.com's market position in the US?

Apartments.com is one of the largest US rental-only portals, owned by CoStar Group. It competes primarily with Zillow Rentals and Zumper in the dedicated rental search segment, leveraging CoStar's commercial real estate data infrastructure for superior building-level information.

How does Apartments.com compare to Zillow Rentals?

Apartments.com focuses exclusively on rentals with deep inventory from professional property management companies, while Zillow Rentals is a feature within Zillow's broader for-sale and rental platform. CoStar's institutional data gives Apartments.com superior building-level detail for multi-family properties.

Does Apartments.com include houses and condos, or only apartment buildings?

Beyond apartment complexes, Apartments.com lists houses, condominiums, townhomes, basement suites, and studio units for rent, including furnished and short-term options in many US markets.

What is GPPI?

The Global Property Portal Index (GPPI) is an independent research framework that tracks how real-estate marketplaces evolve across Listing Quality, Discoverability, Market Experience, and Product Innovation.

What does this portal profile include?

This page is a public GPPI portal profile snapshot: an overview of the portal's positioning, marketplace model, product signals, and monetization approach. It is designed for clarity and comparability, not as a financial or investment recommendation.

Is Apartments.com the same as CoStar?

No. Apartments.com is a consumer-facing rental listing portal owned by CoStar Group. CoStar itself is a separate B2B commercial real estate data and analytics platform used by brokers, investors, and real estate professionals. They share corporate ownership but serve different audiences.

How do portal operators update or correct the profile?

If you represent this portal, you can claim the profile to submit verified updates covering ownership, markets served, product capabilities, and trust and compliance practices.

Do you publish raw GPPI index scores?

GPPI does not publish raw underlying scoring inputs on the public site. Where available, deeper index views are shared with verified operators and partners.

Data note and citation

This GPPI portal profile is an analytic summary prepared from GPPI research inputs and public information. Some details can evolve over time.

-If you cite GPPI, reference the portal name, market, and the snapshot date shown on this page.
-We do not publish raw underlying scoring inputs on the public site.
-To submit corrections or verify details, use the claim/update link below.