401(k) · DOL Form 5500 · 2022

Costar Realty Information, Inc. 401(k) Plan

Data updated 2026-08-25

$465M
Total assets Above avg plan size
4,191
Participants Above avg headcount
98th
Percentile by assets National rank
$110,852
Avg per participant Below avg balance/head
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Official DOL plan name: Costar Realty Information, Inc. 401(k) Retirement Plan · Sponsored by Costar Realty Information, Inc. · District of Columbia · Real Estate

$465M in assets, 4,191 participants

Costar Realty Information, Inc.'s Costar Realty Information, Inc. 401(k) Retirement Plan reported $465M in total assets and 4,191 participants in its 2022 DOL Form 5500 filing, ranking in the 98th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #5,038 in Real Estate (5,057 peers)

Coverage in District of Columbia

Costar Realty Information, Inc. 401(k) Retirement Plan covers 4,191 participants in District of Columbia, 2.9x the typical District of Columbia plan (state average ~1,456 per filing). Assets: $465M.

#5,038
in Real Estate (5,057 peers)
-12.8%
assets change YoY
4.7×
vs typical plan assets (national mean)

The plan reported a net loss of $68M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Costar Realty Information, Inc. 401(k) Retirement Plan's outsized position by total assets

Costar Realty Information, Inc. 401(k) Retirement Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$464,582,059 Top 2% higher than 98% of 139,123 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022

Costar Realty Information, Inc. 401(k) Retirement Plan's large-plan peer group by participant headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Costar Realty Information, Inc. 401(k) Retirement Plan lands in the large band (4,191 participants).

EBSA filing schedule strip

Filing strip 522134617 · Costar Realty Information, Inc. PY 2022 · 401(k)

Costar Realty Information, Inc. 401(k) Retirement Plan · $465M · 4,191 · 98th

  • EIN $465M
  • EIN 4,191
  • EIN 98th
  • EIN 401(k)
  • EIN near Southwest Gas Corporation Employees' Investment Plan
  • EIN ind #5038

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Real Estate retirement plans → · Plans in District of Columbia →

Costar Realty Information, Inc. 401(k) Retirement Plan in the asset neighbourhood

401(k) Plan for the Washington Post and Companies401(k) Plan for the Washingt…$465MNationstar Mortgage 401(k) Retirement PlanNationstar Mortgage 401(k) R…$465MSouthwest Gas Corporation Employees' Investment PlanSouthwest Gas Corporation Em…$465MCostar Realty Information, Inc. 401(k) Retirement PlanCostar Realty Information, I…$465MBrotherhood of Locomotive Engineers and Trainmen Svgs401 for Employees of Norfolk Southern CarriersBrotherhood of Locomotive En…$464M
End-of-year total assets ($M) among Costar Realty Information, Inc. 401(k) Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

District of Columbia filing particulars

Total Assets (Beginning of Year)$533M
Net Assets (End of Year)$465M
Net Income-$68M
Employer EIN522134617
Plan Effective Date1997-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Costar Realty Information, Inc.)

Sponsor-wide plan assets over time

All Costar Realty Information, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$753M 62.059067373499246% vs 2022
2024 filing year
$400M$500M$600M$700M$800M 202220232024 $465M $753M ▲ +62.1%
Year Plans Participants Total Assets
2022 1 4,191 $465M
2023 1 5,010 $616M
2024 1 5,390 $753M

Nearby 401(k) Plans in District of Columbia

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Costar Realty Information, Inc. 401(k) Retirement Plan vs. nearby 401(k) plans in District of Columbia, assets vs. participants Scatter plot of 6 data points. -1000001000020000300004000050000 02468 Total assets ($B) Participants Costar Realty Information, Inc. 401(k) Retirement Plan, Total assets ($B): 0.464582059 · Participants: 4191Costar Realty Information, Inc. 401(k) Retirement PlanDanaher Corporation & Subsidiaries Savings Plan, Total assets ($B): 5.87010808 · Participants: 29923Danaher Corporation & Subsidiaries Savings PlanRevised Profit Sharing Plan for Emp. of Geico, Total assets ($B): 5.095464369 · Participants: 41527Revised Profit Sharing Plan for Emp. of GeicoFederal National Mortgage Association Retirement Savings Plan for Employees, Total assets ($B): 3.215368612 · Participants: 7402Federal National Mortgage Association Retirement Savings Plan for EmployeesFinra Savings Plus Plan, Total assets ($B): 1.789959309 · Participants: 3697Finra Savings Plus PlanHogan Lovells US LLP Retirement Savings Plan, Total assets ($B): 1.343084758 · Participants: 1883Hogan Lovells US LLP Retirement Savings Plan
Costar Realty Information, Inc. 401(k) Retirement Plan vs. nearby 401(k) plans in District of Columbia, assets vs. participants
Compare Costar Realty Information, Inc. 401(k) Retirement Plan side-by-side with 3 peers →

Costar Realty Information, Inc. 401(k) Retirement Plan's out-of-state 401(k) peers by assets and headcount

Outside District of Columbia, the nearest 401(k) by assets is Southwest Gas Corporation Employees' Investment Plan in NV ($465M); by covered participants it is Jm Family Associates' Profit Sharing and 401(k) Plan in FL (4,189 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (4,191 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Costar Realty Information, Inc. 401(k) Retirement Plan assets move in 2022? ▼
Costar Realty Information, Inc. 401(k) Retirement Plan pulled back noticeably - down 12.8% during 2022, from $533M to $465M. Reported net income was -$68M.
How have Costar Realty Information, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Costar Realty Information, Inc.'s sponsor-wide assets grew 62.1%, from $465M to $753M.
Where does Costar Realty Information, Inc. 401(k) Retirement Plan rank by assets among Form 5500 filers? ▼
Costar Realty Information, Inc. 401(k) Retirement Plan ranks in the 98th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Costar Realty Information, Inc. 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Southwest Gas Corporation Employees' Investment Plan in NV ($465M, 2,305 participants).
Which 401(k) plans cover a similar participant headcount to Costar Realty Information, Inc. 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Jm Family Associates' Profit Sharing and 401(k) Plan in FL (4,189 participants, $1.3B in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 522134617.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.