COSTAR GROUP, INC.

Lobbying Spend

—

Filings

Firms Hired

Active Period

2024–2026

Lobbying Spend by Year

Client-reported lobbying expenses on LDA filings

Year	Lobbying Spend	Filings	Firms
2026	—	3	1
2025	—	4	1
2024	—	5	1

Lobbying firms retained by this client; amounts are client-reported expenses when available

Firm Name	Reported Spend	Filings
PENN AVENUE PARTNERS	—	12

Government entities explicitly identified as targets in LDA filings

Government Body	Filings
HOUSE OF REPRESENTATIVES	11
SENATE	11
White House Office	3
Federal Trade Commission (FTC)	2

Most frequently reported lobbying issues

Issue Code	Description	Reports
Real Estate/Land Use/Conservation	Real Estate/Land Use/Conservation	12

COSTAR GROUP, INC. — Lobbying Disclosure | Poliscope