Civic Intelligence

Structural Design Associates Inc.

Plan context: Structural Design 401(K) Plan

EIN 20-5074364 • Downingtown, PA • 20 filings • 2 plans

100 Palace DriveDowningtown, PA 19335
Current Snapshot

Latest Year

2025

2025 Participants

10

2025 Assets

$1,693,068

2025 Contributions

$117,670

Historical Graphs

Total Assets Over Time

Aggregate end-of-year assets by filing year, excluding zero-asset years

$1,693,068$846,534$0200620162025YearValue
$1,693,068Latest year 2025

Participants Over Time

Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans

1050200620162025YearValue
10Latest year 2025

Company Timeline

Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.

Year / FilingFilingsParticipantsAssetsContributionsContrib./Participant
2025110$1,693,068$117,670$11,767iApproximate average salary by contribution assumption: employee only about $294,175 at 4% or $196,117 at 6%; with 50% employer match about $196,117 at 4% or $130,744 at 6%; with 100% employer match about $147,088 at 4% or $98,058 at 6%.
Structural Design 401(K) Plan-10$1,693,068$117,670$11,767iApproximate average salary by contribution assumption: employee only about $294,175 at 4% or $196,117 at 6%; with 50% employer match about $196,117 at 4% or $130,744 at 6%; with 100% employer match about $147,088 at 4% or $98,058 at 6%.
2024110$1,401,653$89,806$8,981iApproximate average salary by contribution assumption: employee only about $224,515 at 4% or $149,677 at 6%; with 50% employer match about $149,677 at 4% or $99,784 at 6%; with 100% employer match about $112,258 at 4% or $74,838 at 6%.
Structural Design 401(K) Plan-10$1,401,653$89,806$8,981iApproximate average salary by contribution assumption: employee only about $224,515 at 4% or $149,677 at 6%; with 50% employer match about $149,677 at 4% or $99,784 at 6%; with 100% employer match about $112,258 at 4% or $74,838 at 6%.
2023110$1,419,332$114,625$11,463iApproximate average salary by contribution assumption: employee only about $286,563 at 4% or $191,042 at 6%; with 50% employer match about $191,042 at 4% or $127,361 at 6%; with 100% employer match about $143,281 at 4% or $95,521 at 6%.
Structural Design 401(K) Plan-10$1,419,332$114,625$11,463iApproximate average salary by contribution assumption: employee only about $286,563 at 4% or $191,042 at 6%; with 50% employer match about $191,042 at 4% or $127,361 at 6%; with 100% employer match about $143,281 at 4% or $95,521 at 6%.
2022110$1,071,098$108,069$10,807iApproximate average salary by contribution assumption: employee only about $270,173 at 4% or $180,115 at 6%; with 50% employer match about $180,115 at 4% or $120,077 at 6%; with 100% employer match about $135,086 at 4% or $90,058 at 6%.
Structural Design 401(K) Plan-10$1,071,098$108,069$10,807iApproximate average salary by contribution assumption: employee only about $270,173 at 4% or $180,115 at 6%; with 50% employer match about $180,115 at 4% or $120,077 at 6%; with 100% employer match about $135,086 at 4% or $90,058 at 6%.
2021110$1,222,305$106,873$10,687iApproximate average salary by contribution assumption: employee only about $267,183 at 4% or $178,122 at 6%; with 50% employer match about $178,122 at 4% or $118,748 at 6%; with 100% employer match about $133,591 at 4% or $89,061 at 6%.
Structural Design 401(K) Plan-10$1,222,305$106,873$10,687iApproximate average salary by contribution assumption: employee only about $267,183 at 4% or $178,122 at 6%; with 50% employer match about $178,122 at 4% or $118,748 at 6%; with 100% employer match about $133,591 at 4% or $89,061 at 6%.
2020110$990,052$111,025$11,103iApproximate average salary by contribution assumption: employee only about $277,563 at 4% or $185,042 at 6%; with 50% employer match about $185,042 at 4% or $123,361 at 6%; with 100% employer match about $138,781 at 4% or $92,521 at 6%.
Structural Design 401(K) Plan-10$990,052$111,025$11,103iApproximate average salary by contribution assumption: employee only about $277,563 at 4% or $185,042 at 6%; with 50% employer match about $185,042 at 4% or $123,361 at 6%; with 100% employer match about $138,781 at 4% or $92,521 at 6%.
2019110$698,411$91,518$9,152iApproximate average salary by contribution assumption: employee only about $228,795 at 4% or $152,530 at 6%; with 50% employer match about $152,530 at 4% or $101,687 at 6%; with 100% employer match about $114,397 at 4% or $76,265 at 6%.
Structural Design 401(K) Plan-10$698,411$91,518$9,152iApproximate average salary by contribution assumption: employee only about $228,795 at 4% or $152,530 at 6%; with 50% employer match about $152,530 at 4% or $101,687 at 6%; with 100% employer match about $114,397 at 4% or $76,265 at 6%.
2018110$492,262$70,702$7,070iApproximate average salary by contribution assumption: employee only about $176,755 at 4% or $117,837 at 6%; with 50% employer match about $117,837 at 4% or $78,558 at 6%; with 100% employer match about $88,378 at 4% or $58,918 at 6%.
Structural Design 401(K) Plan-10$492,262$70,702$7,070iApproximate average salary by contribution assumption: employee only about $176,755 at 4% or $117,837 at 6%; with 50% employer match about $117,837 at 4% or $78,558 at 6%; with 100% employer match about $88,378 at 4% or $58,918 at 6%.
2017110$450,295$49,995$5,000iApproximate average salary by contribution assumption: employee only about $124,988 at 4% or $83,325 at 6%; with 50% employer match about $83,325 at 4% or $55,550 at 6%; with 100% employer match about $62,494 at 4% or $41,663 at 6%.
Structural Design 401(K) Plan-10$450,295$49,995$5,000iApproximate average salary by contribution assumption: employee only about $124,988 at 4% or $83,325 at 6%; with 50% employer match about $83,325 at 4% or $55,550 at 6%; with 100% employer match about $62,494 at 4% or $41,663 at 6%.
201619$332,143$32,370$3,597iApproximate average salary by contribution assumption: employee only about $89,917 at 4% or $59,944 at 6%; with 50% employer match about $59,944 at 4% or $39,963 at 6%; with 100% employer match about $44,958 at 4% or $29,972 at 6%.
Structural Design 401(K) Plan-9$332,143$32,370$3,597iApproximate average salary by contribution assumption: employee only about $89,917 at 4% or $59,944 at 6%; with 50% employer match about $59,944 at 4% or $39,963 at 6%; with 100% employer match about $44,958 at 4% or $29,972 at 6%.
201518$291,697$30,383$3,798iApproximate average salary by contribution assumption: employee only about $94,947 at 4% or $63,298 at 6%; with 50% employer match about $63,298 at 4% or $42,199 at 6%; with 100% employer match about $47,473 at 4% or $31,649 at 6%.
Structural Design 401(K) Plan-8$291,697$30,383$3,798iApproximate average salary by contribution assumption: employee only about $94,947 at 4% or $63,298 at 6%; with 50% employer match about $63,298 at 4% or $42,199 at 6%; with 100% employer match about $47,473 at 4% or $31,649 at 6%.
201418$257,805$25,891$3,236iApproximate average salary by contribution assumption: employee only about $80,909 at 4% or $53,940 at 6%; with 50% employer match about $53,940 at 4% or $35,960 at 6%; with 100% employer match about $40,455 at 4% or $26,970 at 6%.
Structural Design 401(K) Plan-8$257,805$25,891$3,236iApproximate average salary by contribution assumption: employee only about $80,909 at 4% or $53,940 at 6%; with 50% employer match about $53,940 at 4% or $35,960 at 6%; with 100% employer match about $40,455 at 4% or $26,970 at 6%.
201317$218,838$24,736$3,534iApproximate average salary by contribution assumption: employee only about $88,343 at 4% or $58,895 at 6%; with 50% employer match about $58,895 at 4% or $39,263 at 6%; with 100% employer match about $44,171 at 4% or $29,448 at 6%.
Structural Design 401(K) Plan-7$218,838$24,736$3,534iApproximate average salary by contribution assumption: employee only about $88,343 at 4% or $58,895 at 6%; with 50% employer match about $58,895 at 4% or $39,263 at 6%; with 100% employer match about $44,171 at 4% or $29,448 at 6%.
201217$157,314$22,029$3,147iApproximate average salary by contribution assumption: employee only about $78,675 at 4% or $52,450 at 6%; with 50% employer match about $52,450 at 4% or $34,967 at 6%; with 100% employer match about $39,338 at 4% or $26,225 at 6%.
Structural Design 401(K) Plan-7$157,314$22,029$3,147iApproximate average salary by contribution assumption: employee only about $78,675 at 4% or $52,450 at 6%; with 50% employer match about $52,450 at 4% or $34,967 at 6%; with 100% employer match about $39,338 at 4% or $26,225 at 6%.
201116$113,795$21,129$3,522iApproximate average salary by contribution assumption: employee only about $88,038 at 4% or $58,692 at 6%; with 50% employer match about $58,692 at 4% or $39,128 at 6%; with 100% employer match about $44,019 at 4% or $29,346 at 6%.
Structural Design 401(K) Plan-6$113,795$21,129$3,522iApproximate average salary by contribution assumption: employee only about $88,038 at 4% or $58,692 at 6%; with 50% employer match about $58,692 at 4% or $39,128 at 6%; with 100% employer match about $44,019 at 4% or $29,346 at 6%.
201016$132,952$24,085$4,014iApproximate average salary by contribution assumption: employee only about $100,354 at 4% or $66,903 at 6%; with 50% employer match about $66,903 at 4% or $44,602 at 6%; with 100% employer match about $50,177 at 4% or $33,451 at 6%.
Structural Design 401(K) Plan-6$132,952$24,085$4,014iApproximate average salary by contribution assumption: employee only about $100,354 at 4% or $66,903 at 6%; with 50% employer match about $66,903 at 4% or $44,602 at 6%; with 100% employer match about $50,177 at 4% or $33,451 at 6%.
200916$98,485$21,251$3,542iApproximate average salary by contribution assumption: employee only about $88,546 at 4% or $59,031 at 6%; with 50% employer match about $59,031 at 4% or $39,354 at 6%; with 100% employer match about $44,273 at 4% or $29,515 at 6%.
Structural Design 401(K) Plan-6$98,485$21,251$3,542iApproximate average salary by contribution assumption: employee only about $88,546 at 4% or $59,031 at 6%; with 50% employer match about $59,031 at 4% or $39,354 at 6%; with 100% employer match about $44,273 at 4% or $29,515 at 6%.
200815$58,134$33,093$6,619iApproximate average salary by contribution assumption: employee only about $165,465 at 4% or $110,310 at 6%; with 50% employer match about $110,310 at 4% or $73,540 at 6%; with 100% employer match about $82,733 at 4% or $55,155 at 6%.
Structural Design 401(K) Plan-5$58,134$33,093$6,619iApproximate average salary by contribution assumption: employee only about $165,465 at 4% or $110,310 at 6%; with 50% employer match about $110,310 at 4% or $73,540 at 6%; with 100% employer match about $82,733 at 4% or $55,155 at 6%.
200717$61,735$34,018$4,860iApproximate average salary by contribution assumption: employee only about $121,493 at 4% or $80,995 at 6%; with 50% employer match about $80,995 at 4% or $53,997 at 6%; with 100% employer match about $60,746 at 4% or $40,498 at 6%.
Structural Design 401(K) Plan-7$61,735$34,018$4,860iApproximate average salary by contribution assumption: employee only about $121,493 at 4% or $80,995 at 6%; with 50% employer match about $80,995 at 4% or $53,997 at 6%; with 100% employer match about $60,746 at 4% or $40,498 at 6%.
200615$23,619$22,914$4,583iApproximate average salary by contribution assumption: employee only about $114,570 at 4% or $76,380 at 6%; with 50% employer match about $76,380 at 4% or $50,920 at 6%; with 100% employer match about $57,285 at 4% or $38,190 at 6%.
Structural Design 401(K) Plan-5$23,619$22,914$4,583iApproximate average salary by contribution assumption: employee only about $114,570 at 4% or $76,380 at 6%; with 50% employer match about $76,380 at 4% or $50,920 at 6%; with 100% employer match about $57,285 at 4% or $38,190 at 6%.