401(k) · DOL Form 5500 · 2023

Main Street Property Group LLC 401(k) Plan

Data updated 2026-08-25

$7M
Total assets Small plan by assets
107
Participants Small participant base
51st
Percentile by assets National rank
$64,239
Avg per participant Low balance/head
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Official DOL plan name: Mainstreet, Insite, Gencap 401(k) Plan · Sponsored by Main Street Property Group LLC · Washington · Real Estate

$7M in assets, 107 participants

Main Street Property Group LLC's Mainstreet, Insite, Gencap 401(k) Plan reported $7M in total assets and 107 participants in its 2023 DOL Form 5500 filing, ranking in the 51st 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.

  • #3,282 in Real Estate (4,727 peers)

Coverage in Washington

Mainstreet, Insite, Gencap 401(k) Plan covers 107 participants in Washington, about 7% of the average Washington filer (state average ~1,476 per filing). Assets: $7M.

#3,282
in Real Estate (4,727 peers)
+45.1%
assets growth YoY

Mainstreet, Insite, Gencap 401(k) Plan's mid-pack asset rank among Real Estate and all filers

Mainstreet, Insite, Gencap 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$6,873,547 Top 49% higher than 51% of 127,068 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 2023

Mainstreet, Insite, Gencap 401(k) Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Mainstreet, Insite, Gencap 401(k) Plan sits mid-pack in the medium band (107 participants).

Plan-year Form 5500 strip

Filing strip 274333531 · Main Street Property Group LLC PY 2023 · 401(k)

Mainstreet, Insite, Gencap 401(k) Plan · $7M · 107 · 51st

  • NET $7M
  • BOOK 107
  • VS-ST 51st
  • BOY 401(k)
  • SCH near Brown Industries, LLC 401(k) Plan
  • EBSA ind #3282

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 Washington →

Mainstreet, Insite, Gencap 401(k) Plan in the asset neighbourhood

Mainstreet, Insite, Gencap 401(k) PlanMainstreet, Insite, Gencap 4…$7MBrown Industries, LLC 401(k) PlanBrown Industries, LLC 401(k)…$7MHollins Management Group, Inc.401(k) PlanHollins Management Group, In…$7MEdge Autonomy Retirement Plan$7MSunlight Financial Holdings, Inc. 401(k) Retirement PlanSunlight Financial Holdings,…$7M
End-of-year total assets ($M) among Mainstreet, Insite, Gencap 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Washington filing particulars

Total Assets (Beginning of Year)$5M
Net Assets (End of Year)$7M
Net Income$2M
Employer EIN274333531
Plan Effective Date2014-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Main Street Property Group LLC)

Sponsor-wide plan assets over time

All Main Street Property Group LLC plans reported in each filing year

Latest sponsor-wide plan assets
$9M 35.84599043259615% vs 2023
2024 filing year
$6M$7M$8M$9M$10M 20232024 $6.87M $9.34M ▲ +36.0%
Year Plans Participants Total Assets
2023 1 107 $7M
2024 1 133 $9M

Nearby 401(k) Plans in Washington

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

Mainstreet, Insite, Gencap 401(k) Plan vs. nearby 401(k) plans in Washington, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000250000 -20020406080 Total assets ($B) Participants Mainstreet, Insite, Gencap 401(k) Plan, Total assets ($B): 0.006873547 · Participants: 107Mainstreet, Insite, Gencap 401(k) PlanThe Boeing Company 401(k) Retirement Plan, Total assets ($B): 72.246135158 · Participants: 128910The Boeing Company 401(k) Retirement PlanMicrosoft Corporation Savings Plus 401(k) Plan, Total assets ($B): 53.225853429 · Participants: 123296Microsoft Corporation Savings Plus 401(k) PlanCostco 401(k) Retirement Plan, Total assets ($B): 33.384845813 · Participants: 192744Costco 401(k) Retirement PlanT-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust, Total assets ($B): 8.338937292 · Participants: 71538T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust401(k) Savings Plan, Total assets ($B): 8.118808679 · Participants: 87590401(k) Savings Plan
Mainstreet, Insite, Gencap 401(k) Plan vs. nearby 401(k) plans in Washington, assets vs. participants
Compare Mainstreet, Insite, Gencap 401(k) Plan side-by-side with 3 peers →

Mainstreet, Insite, Gencap 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Washington, the nearest 401(k) by assets is Brown Industries, LLC 401(k) Plan in KS ($7M); by covered participants it is Northern Architectural Systems, Inc. 401(k) Plan in NJ (107 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (107 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Mainstreet, Insite, Gencap 401(k) Plan assets move in 2023? ▼
Mainstreet, Insite, Gencap 401(k) Plan surged - up 45.1% during 2023, from $5M to $7M. Reported net income was $2M.
How have Main Street Property Group LLC plan assets changed over time? ▼
Across 2 plan years on file (2023-2024), Main Street Property Group LLC's sponsor-wide assets grew 35.8%, from $7M to $9M.
Which 401(k) plans are similar in size to Mainstreet, Insite, Gencap 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Brown Industries, LLC 401(k) Plan in KS ($7M, 84 participants).
Which 401(k) plans cover a similar participant headcount to Mainstreet, Insite, Gencap 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Northern Architectural Systems, Inc. 401(k) Plan in NJ (107 participants, N/A in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 274333531.

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.