Costar Group, INC.

Commercial Real Estate.

Based in DC

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AI Overview

With $440K in lobbying spend across 9 quarterly filings, Costar Group, INC is an active lobbying client. Their lobbying covers 1 issue area. Active from 2024 to 2025.

$440K
Total Spend
2
Years Active
1
Firms Hired
2
Lobbyists Deployed
1
Issues Lobbied

Spending Trend

View as table
YearLobbying Spend
2024$200K
2025$240K

Issues Lobbied

Real Estate

Lobbying Firms

Penn Avenue Partners

Lobbyists

Jerr RosenbaumTimothy Hannegan

Government Agencies Targeted

These are the government entities that Costar Group, INC. disclosed contacting in their lobbying filings.

HOUSE OF REPRESENTATIVESSENATE
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What They Lobby About

These are actual descriptions from their quarterly lobbying disclosure filings, summarizing what they lobbied Congress and federal agencies about.Issue areas: Real Estate

Issues impacting the real estate industry.

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Data Sources: Senate LDA Filings

Last updated: February 2026

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