Costar Realty Information, Inc. 401(k) Plan: Login, Facts & Contact Information

Costar Realty Information, Inc. 401(k) Plan Facts

Plan name
COSTAR REALTY INFORMATION, INC. 401(K) RETIREMENT PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
COSTAR REALTY INFORMATION, INC.
Participants
7,674 (5,808 active employees)
Former employees with a balance
2,376
Plan assets
$752,897,352 at Dec 31, 2024
Average account balance
$93,819 across 8,025 accounts
Employer contributions
$26,122,189 in plan year 2024 (27% of all contributions)
Recordkeeper
T Rowe Price Rps Inc
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 1997
✓ Employer contributions✓ Automatic enrollment✓ Default investment for undecided participants✓ Participants choose their own investments✓ Self-directed brokerage window✓ Profit sharing— Company stock (ESOP)

Source: Form 5500 for plan year 2024 (Jan 1, 2024 – Dec 31, 2024), filed Oct 9, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $96.0 million went into the plan in contributions, $26.1 million of it from the employer (27%).
  • $62.0 million was paid out to participants.
  • Investment and other income added $103.8 million.
  • Administrative expenses were $855,039, about $107 per account.

How the Costar Realty Information, Inc. 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
20194,853$322.2 million$12.3 million$22.1 million
20205,355$428.5 million$16.3 million$25.5 million
20215,667$532.5 million$17.5 million$40.3 million
20226,306$464.6 million$22.1 million$40.2 million
20237,122$616.1 million$26.9 million$44.8 million
20247,674$752.9 million$26.1 million$62.0 million

Costar Realty Information, Inc. 401(k) Contact Information

Phone
202-535-5468
Mailing address
1201 WILSON BLVD., ARLINGTON VA 22209
Plan sponsor
COSTAR REALTY INFORMATION, INC.
Employer identification number (EIN)
52-2134617
Plan number
001

Questions about the Costar Realty Information, Inc. 401(k)

Does Costar Realty Information, Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $26.1 million, 27% of all contributions.

Does the Costar Realty Information, Inc 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Costar Realty Information, Inc 401(k) plan?

7,674 participants at the start of plan year 2024, 5,808 of them active employees, and 2,376 former employees who still had money in the plan.

What is the average 401(k) balance at Costar Realty Information, Inc?

About $93,819 per account: $752.9 million in plan assets across 8,025 accounts with a balance at the end of plan year 2024.

Who manages the Costar Realty Information, Inc 401(k) accounts?

T. Rowe Price (listed on the filing as T ROWE PRICE RPS INC) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Costar Realty Information, Inc. How do I access my 401(k)?

Your account stays with T. Rowe Price after you leave, so you can log in with the same credentials. If your balance was small, the plan may have rolled it into an IRA in your name. If you can't find it, Beagle can locate it for you.

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