Civic Intelligence

Radon Construction Corp.

Plan context: Radon Construction Corp. 401K Plan

EIN 11-2570142 • Farmingville, NY • 27 filings • 2 plans

7 Tulip AvenueFarmingville, NY 11738
Current Snapshot

Latest Year

2025

2025 Participants

2

2025 Assets

$1,434,421

2025 Contributions

$51,795

Historical Graphs

Total Assets Over Time

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

$1,434,421$717,211$0199920142025YearValue
$1,434,421Latest year 2025

Participants Over Time

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

950199920122025YearValue
2Latest 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
202512$1,434,421$51,795$25,898iApproximate average salary by contribution assumption: employee only about $647,438 at 4% or $431,625 at 6%; with 50% employer match about $431,625 at 4% or $287,750 at 6%; with 100% employer match about $323,719 at 4% or $215,813 at 6%.
Radon Construction Corp. 401K Plan-2$1,434,421$51,795$25,898iApproximate average salary by contribution assumption: employee only about $647,438 at 4% or $431,625 at 6%; with 50% employer match about $431,625 at 4% or $287,750 at 6%; with 100% employer match about $323,719 at 4% or $215,813 at 6%.
202412$1,154,651$42,621$21,311iApproximate average salary by contribution assumption: employee only about $532,763 at 4% or $355,175 at 6%; with 50% employer match about $355,175 at 4% or $236,783 at 6%; with 100% employer match about $266,381 at 4% or $177,588 at 6%.
Radon Construction Corp. 401K Plan-2$1,154,651$42,621$21,311iApproximate average salary by contribution assumption: employee only about $532,763 at 4% or $355,175 at 6%; with 50% employer match about $355,175 at 4% or $236,783 at 6%; with 100% employer match about $266,381 at 4% or $177,588 at 6%.
202313$1,006,030$21,663$7,221iApproximate average salary by contribution assumption: employee only about $180,525 at 4% or $120,350 at 6%; with 50% employer match about $120,350 at 4% or $80,233 at 6%; with 100% employer match about $90,263 at 4% or $60,175 at 6%.
Radon Construction Corp. 401K Plan-3$1,006,030$21,663$7,221iApproximate average salary by contribution assumption: employee only about $180,525 at 4% or $120,350 at 6%; with 50% employer match about $120,350 at 4% or $80,233 at 6%; with 100% employer match about $90,263 at 4% or $60,175 at 6%.
202213$802,138$0-
Radon Construction Corp. 401K Plan-3$802,138$0-
202113$1,031,207$30,658$10,219iApproximate average salary by contribution assumption: employee only about $255,483 at 4% or $170,322 at 6%; with 50% employer match about $170,322 at 4% or $113,548 at 6%; with 100% employer match about $127,742 at 4% or $85,161 at 6%.
Radon Construction Corp. 401K Plan-3$1,031,207$30,658$10,219iApproximate average salary by contribution assumption: employee only about $255,483 at 4% or $170,322 at 6%; with 50% employer match about $170,322 at 4% or $113,548 at 6%; with 100% employer match about $127,742 at 4% or $85,161 at 6%.
202013$875,476$26,307$8,769iApproximate average salary by contribution assumption: employee only about $219,225 at 4% or $146,150 at 6%; with 50% employer match about $146,150 at 4% or $97,433 at 6%; with 100% employer match about $109,613 at 4% or $73,075 at 6%.
Radon Construction Corp. 401K Plan-3$875,476$26,307$8,769iApproximate average salary by contribution assumption: employee only about $219,225 at 4% or $146,150 at 6%; with 50% employer match about $146,150 at 4% or $97,433 at 6%; with 100% employer match about $109,613 at 4% or $73,075 at 6%.
201913$669,494$28,845$9,615iApproximate average salary by contribution assumption: employee only about $240,375 at 4% or $160,250 at 6%; with 50% employer match about $160,250 at 4% or $106,833 at 6%; with 100% employer match about $120,188 at 4% or $80,125 at 6%.
Radon Construction Corp. 401K Plan-3$669,494$28,845$9,615iApproximate average salary by contribution assumption: employee only about $240,375 at 4% or $160,250 at 6%; with 50% employer match about $160,250 at 4% or $106,833 at 6%; with 100% employer match about $120,188 at 4% or $80,125 at 6%.
201813$508,575$27,690$9,230iApproximate average salary by contribution assumption: employee only about $230,750 at 4% or $153,833 at 6%; with 50% employer match about $153,833 at 4% or $102,556 at 6%; with 100% employer match about $115,375 at 4% or $76,917 at 6%.
Radon Construction Corp. 401K Plan-3$508,575$27,690$9,230iApproximate average salary by contribution assumption: employee only about $230,750 at 4% or $153,833 at 6%; with 50% employer match about $153,833 at 4% or $102,556 at 6%; with 100% employer match about $115,375 at 4% or $76,917 at 6%.
201713$521,389$71,730$23,910iApproximate average salary by contribution assumption: employee only about $597,750 at 4% or $398,500 at 6%; with 50% employer match about $398,500 at 4% or $265,667 at 6%; with 100% employer match about $298,875 at 4% or $199,250 at 6%.
Radon Construction Corp. 401K Plan-3$521,389$71,730$23,910iApproximate average salary by contribution assumption: employee only about $597,750 at 4% or $398,500 at 6%; with 50% employer match about $398,500 at 4% or $265,667 at 6%; with 100% employer match about $298,875 at 4% or $199,250 at 6%.
201613$362,514$2,561$854iApproximate average salary by contribution assumption: employee only about $21,342 at 4% or $14,228 at 6%; with 50% employer match about $14,228 at 4% or $9,485 at 6%; with 100% employer match about $10,671 at 4% or $7,114 at 6%.
Radon Construction Corp. 401K Plan-3$362,514$2,561$854iApproximate average salary by contribution assumption: employee only about $21,342 at 4% or $14,228 at 6%; with 50% employer match about $14,228 at 4% or $9,485 at 6%; with 100% employer match about $10,671 at 4% or $7,114 at 6%.
201515$350,043$21,609$4,322iApproximate average salary by contribution assumption: employee only about $108,045 at 4% or $72,030 at 6%; with 50% employer match about $72,030 at 4% or $48,020 at 6%; with 100% employer match about $54,023 at 4% or $36,015 at 6%.
Radon Construction Corp. 401K Plan-5$350,043$21,609$4,322iApproximate average salary by contribution assumption: employee only about $108,045 at 4% or $72,030 at 6%; with 50% employer match about $72,030 at 4% or $48,020 at 6%; with 100% employer match about $54,023 at 4% or $36,015 at 6%.
201414$677,902$30,432$7,608iApproximate average salary by contribution assumption: employee only about $190,200 at 4% or $126,800 at 6%; with 50% employer match about $126,800 at 4% or $84,533 at 6%; with 100% employer match about $95,100 at 4% or $63,400 at 6%.
Radon Construction Corp. 401K Plan-4$677,902$30,432$7,608iApproximate average salary by contribution assumption: employee only about $190,200 at 4% or $126,800 at 6%; with 50% employer match about $126,800 at 4% or $84,533 at 6%; with 100% employer match about $95,100 at 4% or $63,400 at 6%.
201314$645,111$22,334$5,584iApproximate average salary by contribution assumption: employee only about $139,588 at 4% or $93,058 at 6%; with 50% employer match about $93,058 at 4% or $62,039 at 6%; with 100% employer match about $69,794 at 4% or $46,529 at 6%.
Radon Construction Corp. 401K Plan-4$645,111$22,334$5,584iApproximate average salary by contribution assumption: employee only about $139,588 at 4% or $93,058 at 6%; with 50% employer match about $93,058 at 4% or $62,039 at 6%; with 100% employer match about $69,794 at 4% or $46,529 at 6%.
201214$470,893$22,334$5,584iApproximate average salary by contribution assumption: employee only about $139,588 at 4% or $93,058 at 6%; with 50% employer match about $93,058 at 4% or $62,039 at 6%; with 100% employer match about $69,794 at 4% or $46,529 at 6%.
Radon Construction Corp. 401K Plan-4$470,893$22,334$5,584iApproximate average salary by contribution assumption: employee only about $139,588 at 4% or $93,058 at 6%; with 50% employer match about $93,058 at 4% or $62,039 at 6%; with 100% employer match about $69,794 at 4% or $46,529 at 6%.
201115$409,552$22,334$4,467iApproximate average salary by contribution assumption: employee only about $111,670 at 4% or $74,447 at 6%; with 50% employer match about $74,447 at 4% or $49,631 at 6%; with 100% employer match about $55,835 at 4% or $37,223 at 6%.
Radon Construction Corp. 401K Plan-5$409,552$22,334$4,467iApproximate average salary by contribution assumption: employee only about $111,670 at 4% or $74,447 at 6%; with 50% employer match about $74,447 at 4% or $49,631 at 6%; with 100% employer match about $55,835 at 4% or $37,223 at 6%.
201017$511,615$25,113$3,588iApproximate average salary by contribution assumption: employee only about $89,689 at 4% or $59,793 at 6%; with 50% employer match about $59,793 at 4% or $39,862 at 6%; with 100% employer match about $44,845 at 4% or $29,896 at 6%.
Radon Construction Corp. 401K Plan-7$511,615$25,113$3,588iApproximate average salary by contribution assumption: employee only about $89,689 at 4% or $59,793 at 6%; with 50% employer match about $59,793 at 4% or $39,862 at 6%; with 100% employer match about $44,845 at 4% or $29,896 at 6%.
200917$423,405$46,335$6,619iApproximate average salary by contribution assumption: employee only about $165,482 at 4% or $110,321 at 6%; with 50% employer match about $110,321 at 4% or $73,548 at 6%; with 100% employer match about $82,741 at 4% or $55,161 at 6%.
Radon Construction Corp. 401K Plan-7$423,405$46,335$6,619iApproximate average salary by contribution assumption: employee only about $165,482 at 4% or $110,321 at 6%; with 50% employer match about $110,321 at 4% or $73,548 at 6%; with 100% employer match about $82,741 at 4% or $55,161 at 6%.
200817$268,313$28,315$4,045iApproximate average salary by contribution assumption: employee only about $101,125 at 4% or $67,417 at 6%; with 50% employer match about $67,417 at 4% or $44,944 at 6%; with 100% employer match about $50,563 at 4% or $33,708 at 6%.
Radon Construction Corp. 401K Plan-7$268,313$28,315$4,045iApproximate average salary by contribution assumption: employee only about $101,125 at 4% or $67,417 at 6%; with 50% employer match about $67,417 at 4% or $44,944 at 6%; with 100% employer match about $50,563 at 4% or $33,708 at 6%.
200718$0$0-
Radon Construction Corp. 401K Plan-8---
200618$467,115$64,857$8,107iApproximate average salary by contribution assumption: employee only about $202,678 at 4% or $135,119 at 6%; with 50% employer match about $135,119 at 4% or $90,079 at 6%; with 100% employer match about $101,339 at 4% or $67,559 at 6%.
Radon Construction Corp. 401K Plan-8$467,115$64,857$8,107iApproximate average salary by contribution assumption: employee only about $202,678 at 4% or $135,119 at 6%; with 50% employer match about $135,119 at 4% or $90,079 at 6%; with 100% employer match about $101,339 at 4% or $67,559 at 6%.
200517$0$0-
Radon Construction Corp. 401K Plan-7---
200417$351,204$59,978$8,568iApproximate average salary by contribution assumption: employee only about $214,207 at 4% or $142,805 at 6%; with 50% employer match about $142,805 at 4% or $95,203 at 6%; with 100% employer match about $107,104 at 4% or $71,402 at 6%.
Radon Construction Corp. 401K Plan-7$351,204$59,978$8,568iApproximate average salary by contribution assumption: employee only about $214,207 at 4% or $142,805 at 6%; with 50% employer match about $142,805 at 4% or $95,203 at 6%; with 100% employer match about $107,104 at 4% or $71,402 at 6%.
200319$331,023$68,580$7,620iApproximate average salary by contribution assumption: employee only about $190,500 at 4% or $127,000 at 6%; with 50% employer match about $127,000 at 4% or $84,667 at 6%; with 100% employer match about $95,250 at 4% or $63,500 at 6%.
Radon Construction Corp. 401K Plan-9$331,023$68,580$7,620iApproximate average salary by contribution assumption: employee only about $190,500 at 4% or $127,000 at 6%; with 50% employer match about $127,000 at 4% or $84,667 at 6%; with 100% employer match about $95,250 at 4% or $63,500 at 6%.
200219$193,377$67,552$7,506iApproximate average salary by contribution assumption: employee only about $187,644 at 4% or $125,096 at 6%; with 50% employer match about $125,096 at 4% or $83,398 at 6%; with 100% employer match about $93,822 at 4% or $62,548 at 6%.
Radon Construction Corp. 401K Plan-9$193,377$67,552$7,506iApproximate average salary by contribution assumption: employee only about $187,644 at 4% or $125,096 at 6%; with 50% employer match about $125,096 at 4% or $83,398 at 6%; with 100% employer match about $93,822 at 4% or $62,548 at 6%.
200119$160,154$63,431$7,048iApproximate average salary by contribution assumption: employee only about $176,197 at 4% or $117,465 at 6%; with 50% employer match about $117,465 at 4% or $78,310 at 6%; with 100% employer match about $88,099 at 4% or $58,732 at 6%.
Radon Construction Corp. 401K Plan-9$160,154$63,431$7,048iApproximate average salary by contribution assumption: employee only about $176,197 at 4% or $117,465 at 6%; with 50% employer match about $117,465 at 4% or $78,310 at 6%; with 100% employer match about $88,099 at 4% or $58,732 at 6%.
200017$0$0-
Radon Construction Corp. 401K Plan-7---
199917$43,951$28,167$4,024iApproximate average salary by contribution assumption: employee only about $100,596 at 4% or $67,064 at 6%; with 50% employer match about $67,064 at 4% or $44,710 at 6%; with 100% employer match about $50,298 at 4% or $33,532 at 6%.
Radon Construction Corp. 401K Plan-7$43,951$28,167$4,024iApproximate average salary by contribution assumption: employee only about $100,596 at 4% or $67,064 at 6%; with 50% employer match about $67,064 at 4% or $44,710 at 6%; with 100% employer match about $50,298 at 4% or $33,532 at 6%.