CoStar Group

aid: costar
name: CoStar Group
url: https://raw.githubusercontent.com/api-evangelist/costar/refs/heads/main/apis.yml
description: CoStar Group is the dominant commercial and residential real estate data, analytics, and marketplace company.
  The portfolio spans the flagship CoStar commercial real estate intelligence platform, LoopNet (CRE marketplace), Apartments.com
  network (residential rentals, including ForRent.com and Westside Rentals), Homes.com and Homesnap (for-sale residential),
  Ten-X (online CRE auctions), BizBuySell (business-for-sale marketplace), STR (hotel data), Visual Lease (lease management),
  Matterport (3D spatial capture), and international properties including OnTheMarket (UK), Emporis (Germany), and a controlling
  stake in Domain Group (Australia). Distribution to partners is via enterprise data licensing, syndication feeds, and brand-specific
  marketplace tooling rather than a public self-serve developer portal.
kind: company
accessModel:
  pricing: free
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Free
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/costar.png
tags:
- Commercial Real Estate
- Residential Real Estate
- Real Estate Data
- Marketplaces
- Analytics
- Listings
- PropTech
created: '2026-05-23'
modified: '2026-05-23'
specificationVersion: '0.19'
apis:
- aid: costar:costar
  name: CoStar Commercial Real Estate Platform
  description: CoStar's flagship commercial real estate information platform covering property, tenant, lease, sale, and market
    analytics across office, industrial, retail, multifamily, and specialty CRE asset classes. Data is licensed to enterprise
    customers and partners under contract.
  humanURL: https://www.costar.com
  baseURL: https://www.costar.com
  tags:
  - Commercial Real Estate
  - Analytics
  - Property Data
  properties:
  - type: Documentation
    url: https://www.costar.com
- aid: costar:loopnet
  name: LoopNet
  description: The largest commercial real estate marketplace in the United States, surfacing CRE listings for sale and lease
    alongside CoStar-sourced analytics.
  humanURL: https://www.loopnet.com
  baseURL: https://www.loopnet.com
  tags:
  - Commercial Real Estate
  - Marketplace
  - Listings
  properties:
  - type: Documentation
    url: https://www.loopnet.com
- aid: costar:apartments-com
  name: Apartments.com Network
  description: Residential rental marketplace network including Apartments.com, ForRent.com, and Westside Rentals, providing
    listings, leads, and advertising to multifamily owners and managers.
  humanURL: https://www.apartments.com
  baseURL: https://www.apartments.com
  tags:
  - Residential Rentals
  - Multifamily
  - Marketplace
  properties:
  - type: Documentation
    url: https://www.apartments.com
- aid: costar:homes-com
  name: Homes.com
  description: Residential for-sale and rental marketplace operating agent-first branding and search, paired with the Homesnap
    mobile and agent tooling.
  humanURL: https://www.homes.com
  baseURL: https://www.homes.com
  tags:
  - Residential Real Estate
  - For Sale
  - Marketplace
  properties:
  - type: Documentation
    url: https://www.homes.com
- aid: costar:homesnap
  name: Homesnap
  description: Mobile residential real estate search and agent productivity application that integrates with MLSs and Homes.com.
  humanURL: https://www.homesnap.com
  baseURL: https://www.homesnap.com
  tags:
  - Residential Real Estate
  - Mobile
  - MLS
  properties:
  - type: Documentation
    url: https://www.homesnap.com
- aid: costar:ten-x
  name: Ten-X
  description: Online commercial real estate transaction and auction platform for buyers and sellers of CRE assets.
  humanURL: https://www.ten-x.com
  baseURL: https://www.ten-x.com
  tags:
  - Commercial Real Estate
  - Auctions
  - Transactions
  properties:
  - type: Documentation
    url: https://www.ten-x.com
- aid: costar:bizbuysell
  name: BizBuySell
  description: Online marketplace for buying and selling small and mid-sized businesses, with broker tools and financing partners.
  humanURL: https://www.bizbuysell.com
  baseURL: https://www.bizbuysell.com
  tags:
  - Business For Sale
  - Marketplace
  - SMB
  properties:
  - type: Documentation
    url: https://www.bizbuysell.com
- aid: costar:str
  name: STR (Smith Travel Research)
  description: Hotel benchmarking, performance data, and analytics provider serving the global lodging industry.
  humanURL: https://str.com
  baseURL: https://str.com
  tags:
  - Hospitality
  - Hotel Data
  - Benchmarking
  properties:
  - type: Documentation
    url: https://str.com
- aid: costar:visual-lease
  name: Visual Lease
  description: Lease management and lease accounting platform for corporate and real estate tenants.
  humanURL: https://visuallease.com
  baseURL: https://visuallease.com
  tags:
  - Lease Management
  - Lease Accounting
  - Corporate Real Estate
  properties:
  - type: Documentation
    url: https://visuallease.com
- aid: costar:matterport
  name: Matterport
  description: 3D spatial data capture platform used to digitise real estate, retail, and built-environment spaces, integrated
    across CoStar's marketplaces.
  humanURL: https://matterport.com
  baseURL: https://matterport.com
  tags:
  - 3D Capture
  - Spatial Data
  - PropTech
  properties:
  - type: Documentation
    url: https://matterport.com
- aid: costar:onthemarket
  name: OnTheMarket
  description: UK residential property portal acquired by CoStar Group, providing for sale and to let listings with agent
    tooling.
  humanURL: https://www.onthemarket.com
  baseURL: https://www.onthemarket.com
  tags:
  - Residential Real Estate
  - United Kingdom
  - Marketplace
  properties:
  - type: Documentation
    url: https://www.onthemarket.com
- aid: costar:emporis
  name: Emporis
  description: Global building data and imagery provider covering high-rise and commercial structures.
  humanURL: https://www.emporis.com
  baseURL: https://www.emporis.com
  tags:
  - Building Data
  - Imagery
  - Real Estate
  properties:
  - type: Documentation
    url: https://www.emporis.com
- aid: costar:domain-group
  name: Domain Group
  description: Australian residential real estate marketplace and media company in which CoStar Group acquired a majority
    stake.
  humanURL: https://www.domain.com.au
  baseURL: https://www.domain.com.au
  tags:
  - Residential Real Estate
  - Australia
  - Marketplace
  properties:
  - type: Documentation
    url: https://www.domain.com.au
- aid: costar:lands-of-america
  name: Land.com / Lands of America
  description: Land-for-sale marketplace network covering rural, ranch, recreational, and development land in the United States.
  humanURL: https://www.land.com
  baseURL: https://www.land.com
  tags:
  - Land
  - Marketplace
  - Rural
  properties:
  - type: Documentation
    url: https://www.land.com
common:
- type: TrustCenter
  url: security/costar-trust-center.yml
- type: DomainSecurity
  url: security/costar-domain-security.yml
- type: Website
  url: https://www.costargroup.com
- type: CoStar
  url: https://www.costar.com
- type: Investors
  url: https://www.costargroup.com/investors
- type: News
  url: https://www.costargroup.com/news
- type: LinkedIn
  url: https://www.linkedin.com/company/costar-group/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com