Tax Manager Arlington, VA

Tax Manager, CoStar Group – Arlington, VA

In‑office position located in Arlington, VA, Monday‑Friday. Reporting to the Head of Tax, this role supports the evolving tax accounting and compliance needs of CoStar Group.

• Assist with quarterly and annual ASC 740 financial reporting for domestic and international entities, including preparation of effective tax rate, current/deferred income taxes and valuation allowance issues.
• Assist with preparation of U.S. federal, state income and franchise tax returns, estimates and extensions.
• Perform tax research and planning regarding various tax issues.
• Work with Accounting Department to ensure capture of information as required for tax accounting and compliance.
• Maintain tax accounts including required reconciliations.
• Assist in resolution of federal, state, and local tax notices and audits.
• Other duties as assigned.

• Bachelor’s degree in accounting from an accredited, not‑for‑profit, in‑person college/university.
• 6+ years of experience within a Big 4 firm or public accounting firm supporting public companies.
• Progressive responsibility in tax accounting and/or tax compliance in public accounting.
• Proficient in One Source tax provision software.
• ASC 740 experience.
• Knowledge of tax accounting requirements under U.S. GAAP.
• Experience with tax research tools.
• Knowledge of Microsoft Office (Excel, Word, CoPilot).
• Solid workpaper technique and organizational skills.
• Self‑motivated with the ability to work on multiple projects.

• Experience working with Oracle or similar ERP systems.
• CPA certification strongly preferred.
• At least one year of corporate, in‑house experience at a publicly traded company.
• Experience leveraging AI tools to drive process efficiencies and operational improvements.

• Comprehensive healthcare coverage:
  Medical, Vision, Dental, Prescription Drug.
• Life, legal, and supplementary insurance.
• Virtual and in‑person mental health counseling services for individuals and family.
• Commuter and parking benefits.
• 401(K) retirement plan with matching contributions.
• Employee stock purchase plan.
• Paid time off.
• Tuition reimbursement.
• On‑site fitness center and/or reimbursed fitness center membership costs (location dependent).
• Access to CoStar Group’s Diversity, Equity, and Inclusion Employee Resource Groups.
• Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks.

We welcome all qualified candidates who are currently eligible to work full‑time in the United States to apply. However, CoStar Group is not able to provide visa sponsorship for this position.

CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug‑free workplace and perform pre‑employment substance abuse testing.