Civic Intelligence

Cornerstone Properties Inc.

Plan context: Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust

EIN 06-1100057 • Farmington, CT • 26 filings • 3 plans

231 Farmington AvenueFarmington, CT 06032
Current Snapshot

Latest Year

2025

2025 Participants

13

2025 Assets

$2,197,837

2025 Contributions

$139,100

Historical Graphs

Total Assets Over Time

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

$5,247,055$2,623,528$0200020142025YearValue
$2,197,837Latest year 2025

Participants Over Time

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

21110200020132025YearValue
13Latest 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
2025113$2,197,837$139,100$10,700iApproximate average salary by contribution assumption: employee only about $267,500 at 4% or $178,333 at 6%; with 50% employer match about $178,333 at 4% or $118,889 at 6%; with 100% employer match about $133,750 at 4% or $89,167 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-13$2,197,837$139,100$10,700iApproximate average salary by contribution assumption: employee only about $267,500 at 4% or $178,333 at 6%; with 50% employer match about $178,333 at 4% or $118,889 at 6%; with 100% employer match about $133,750 at 4% or $89,167 at 6%.
2024113$4,186,824$149,814$11,524iApproximate average salary by contribution assumption: employee only about $288,104 at 4% or $192,069 at 6%; with 50% employer match about $192,069 at 4% or $128,046 at 6%; with 100% employer match about $144,052 at 4% or $96,035 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-13$4,186,824$149,814$11,524iApproximate average salary by contribution assumption: employee only about $288,104 at 4% or $192,069 at 6%; with 50% employer match about $192,069 at 4% or $128,046 at 6%; with 100% employer match about $144,052 at 4% or $96,035 at 6%.
2023114$4,388,932$147,412$10,529iApproximate average salary by contribution assumption: employee only about $263,236 at 4% or $175,490 at 6%; with 50% employer match about $175,490 at 4% or $116,994 at 6%; with 100% employer match about $131,618 at 4% or $87,745 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-14$4,388,932$147,412$10,529iApproximate average salary by contribution assumption: employee only about $263,236 at 4% or $175,490 at 6%; with 50% employer match about $175,490 at 4% or $116,994 at 6%; with 100% employer match about $131,618 at 4% or $87,745 at 6%.
2022114$3,696,478$123,927$8,852iApproximate average salary by contribution assumption: employee only about $221,298 at 4% or $147,532 at 6%; with 50% employer match about $147,532 at 4% or $98,355 at 6%; with 100% employer match about $110,649 at 4% or $73,766 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-14$3,696,478$123,927$8,852iApproximate average salary by contribution assumption: employee only about $221,298 at 4% or $147,532 at 6%; with 50% employer match about $147,532 at 4% or $98,355 at 6%; with 100% employer match about $110,649 at 4% or $73,766 at 6%.
2021115$4,761,108$133,590$8,906iApproximate average salary by contribution assumption: employee only about $222,650 at 4% or $148,433 at 6%; with 50% employer match about $148,433 at 4% or $98,956 at 6%; with 100% employer match about $111,325 at 4% or $74,217 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-15$4,761,108$133,590$8,906iApproximate average salary by contribution assumption: employee only about $222,650 at 4% or $148,433 at 6%; with 50% employer match about $148,433 at 4% or $98,956 at 6%; with 100% employer match about $111,325 at 4% or $74,217 at 6%.
2020114$4,085,791$98,785$7,056iApproximate average salary by contribution assumption: employee only about $176,402 at 4% or $117,601 at 6%; with 50% employer match about $117,601 at 4% or $78,401 at 6%; with 100% employer match about $88,201 at 4% or $58,801 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-14$4,085,791$98,785$7,056iApproximate average salary by contribution assumption: employee only about $176,402 at 4% or $117,601 at 6%; with 50% employer match about $117,601 at 4% or $78,401 at 6%; with 100% employer match about $88,201 at 4% or $58,801 at 6%.
2019117$5,200,009$122,672$7,216iApproximate average salary by contribution assumption: employee only about $180,400 at 4% or $120,267 at 6%; with 50% employer match about $120,267 at 4% or $80,178 at 6%; with 100% employer match about $90,200 at 4% or $60,133 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-17$5,200,009$122,672$7,216iApproximate average salary by contribution assumption: employee only about $180,400 at 4% or $120,267 at 6%; with 50% employer match about $120,267 at 4% or $80,178 at 6%; with 100% employer match about $90,200 at 4% or $60,133 at 6%.
2018119$4,386,881$141,818$7,464iApproximate average salary by contribution assumption: employee only about $186,603 at 4% or $124,402 at 6%; with 50% employer match about $124,402 at 4% or $82,935 at 6%; with 100% employer match about $93,301 at 4% or $62,201 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-19$4,386,881$141,818$7,464iApproximate average salary by contribution assumption: employee only about $186,603 at 4% or $124,402 at 6%; with 50% employer match about $124,402 at 4% or $82,935 at 6%; with 100% employer match about $93,301 at 4% or $62,201 at 6%.
2017120$5,247,055$208,392$10,420iApproximate average salary by contribution assumption: employee only about $260,490 at 4% or $173,660 at 6%; with 50% employer match about $173,660 at 4% or $115,773 at 6%; with 100% employer match about $130,245 at 4% or $86,830 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-20$5,247,055$208,392$10,420iApproximate average salary by contribution assumption: employee only about $260,490 at 4% or $173,660 at 6%; with 50% employer match about $173,660 at 4% or $115,773 at 6%; with 100% employer match about $130,245 at 4% or $86,830 at 6%.
2016120$4,335,511$192,787$9,639iApproximate average salary by contribution assumption: employee only about $240,984 at 4% or $160,656 at 6%; with 50% employer match about $160,656 at 4% or $107,104 at 6%; with 100% employer match about $120,492 at 4% or $80,328 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-20$4,335,511$192,787$9,639iApproximate average salary by contribution assumption: employee only about $240,984 at 4% or $160,656 at 6%; with 50% employer match about $160,656 at 4% or $107,104 at 6%; with 100% employer match about $120,492 at 4% or $80,328 at 6%.
2015119$3,979,281$206,455$10,866iApproximate average salary by contribution assumption: employee only about $271,651 at 4% or $181,101 at 6%; with 50% employer match about $181,101 at 4% or $120,734 at 6%; with 100% employer match about $135,826 at 4% or $90,550 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-19$3,979,281$206,455$10,866iApproximate average salary by contribution assumption: employee only about $271,651 at 4% or $181,101 at 6%; with 50% employer match about $181,101 at 4% or $120,734 at 6%; with 100% employer match about $135,826 at 4% or $90,550 at 6%.
2014120$3,985,959$184,773$9,239iApproximate average salary by contribution assumption: employee only about $230,966 at 4% or $153,978 at 6%; with 50% employer match about $153,978 at 4% or $102,652 at 6%; with 100% employer match about $115,483 at 4% or $76,989 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-20$3,985,959$184,773$9,239iApproximate average salary by contribution assumption: employee only about $230,966 at 4% or $153,978 at 6%; with 50% employer match about $153,978 at 4% or $102,652 at 6%; with 100% employer match about $115,483 at 4% or $76,989 at 6%.
2013119$3,683,914$146,643$7,718iApproximate average salary by contribution assumption: employee only about $192,951 at 4% or $128,634 at 6%; with 50% employer match about $128,634 at 4% or $85,756 at 6%; with 100% employer match about $96,476 at 4% or $64,317 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-19$3,683,914$146,643$7,718iApproximate average salary by contribution assumption: employee only about $192,951 at 4% or $128,634 at 6%; with 50% employer match about $128,634 at 4% or $85,756 at 6%; with 100% employer match about $96,476 at 4% or $64,317 at 6%.
2012119$2,995,244$159,707$8,406iApproximate average salary by contribution assumption: employee only about $210,141 at 4% or $140,094 at 6%; with 50% employer match about $140,094 at 4% or $93,396 at 6%; with 100% employer match about $105,070 at 4% or $70,047 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-19$2,995,244$159,707$8,406iApproximate average salary by contribution assumption: employee only about $210,141 at 4% or $140,094 at 6%; with 50% employer match about $140,094 at 4% or $93,396 at 6%; with 100% employer match about $105,070 at 4% or $70,047 at 6%.
2011121$2,904,370$182,384$8,685iApproximate average salary by contribution assumption: employee only about $217,124 at 4% or $144,749 at 6%; with 50% employer match about $144,749 at 4% or $96,499 at 6%; with 100% employer match about $108,562 at 4% or $72,375 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-21$2,904,370$182,384$8,685iApproximate average salary by contribution assumption: employee only about $217,124 at 4% or $144,749 at 6%; with 50% employer match about $144,749 at 4% or $96,499 at 6%; with 100% employer match about $108,562 at 4% or $72,375 at 6%.
2010119$2,793,663$192,991$10,157iApproximate average salary by contribution assumption: employee only about $253,936 at 4% or $169,290 at 6%; with 50% employer match about $169,290 at 4% or $112,860 at 6%; with 100% employer match about $126,968 at 4% or $84,645 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-19$2,793,663$192,991$10,157iApproximate average salary by contribution assumption: employee only about $253,936 at 4% or $169,290 at 6%; with 50% employer match about $169,290 at 4% or $112,860 at 6%; with 100% employer match about $126,968 at 4% or $84,645 at 6%.
2009117$2,328,702$169,638$9,979iApproximate average salary by contribution assumption: employee only about $249,468 at 4% or $166,312 at 6%; with 50% employer match about $166,312 at 4% or $110,875 at 6%; with 100% employer match about $124,734 at 4% or $83,156 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-17$2,328,702$169,638$9,979iApproximate average salary by contribution assumption: employee only about $249,468 at 4% or $166,312 at 6%; with 50% employer match about $166,312 at 4% or $110,875 at 6%; with 100% employer match about $124,734 at 4% or $83,156 at 6%.
2008116$1,747,008$161,600$10,100iApproximate average salary by contribution assumption: employee only about $252,500 at 4% or $168,333 at 6%; with 50% employer match about $168,333 at 4% or $112,222 at 6%; with 100% employer match about $126,250 at 4% or $84,167 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-16$1,747,008$161,600$10,100iApproximate average salary by contribution assumption: employee only about $252,500 at 4% or $168,333 at 6%; with 50% employer match about $168,333 at 4% or $112,222 at 6%; with 100% employer match about $126,250 at 4% or $84,167 at 6%.
2007114$0$0-
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-14---
2006112$1,907,905$136,154$11,346iApproximate average salary by contribution assumption: employee only about $283,654 at 4% or $189,103 at 6%; with 50% employer match about $189,103 at 4% or $126,069 at 6%; with 100% employer match about $141,827 at 4% or $94,551 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-12$1,907,905$136,154$11,346iApproximate average salary by contribution assumption: employee only about $283,654 at 4% or $189,103 at 6%; with 50% employer match about $189,103 at 4% or $126,069 at 6%; with 100% employer match about $141,827 at 4% or $94,551 at 6%.
2005112$1,603,920$137,630$11,469iApproximate average salary by contribution assumption: employee only about $286,729 at 4% or $191,153 at 6%; with 50% employer match about $191,153 at 4% or $127,435 at 6%; with 100% employer match about $143,365 at 4% or $95,576 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-12$1,603,920$137,630$11,469iApproximate average salary by contribution assumption: employee only about $286,729 at 4% or $191,153 at 6%; with 50% employer match about $191,153 at 4% or $127,435 at 6%; with 100% employer match about $143,365 at 4% or $95,576 at 6%.
2004112$1,420,390$130,033$10,836iApproximate average salary by contribution assumption: employee only about $270,902 at 4% or $180,601 at 6%; with 50% employer match about $180,601 at 4% or $120,401 at 6%; with 100% employer match about $135,451 at 4% or $90,301 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-12$1,420,390$130,033$10,836iApproximate average salary by contribution assumption: employee only about $270,902 at 4% or $180,601 at 6%; with 50% employer match about $180,601 at 4% or $120,401 at 6%; with 100% employer match about $135,451 at 4% or $90,301 at 6%.
2003113$1,181,920$127,578$9,814iApproximate average salary by contribution assumption: employee only about $245,342 at 4% or $163,562 at 6%; with 50% employer match about $163,562 at 4% or $109,041 at 6%; with 100% employer match about $122,671 at 4% or $81,781 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-13$1,181,920$127,578$9,814iApproximate average salary by contribution assumption: employee only about $245,342 at 4% or $163,562 at 6%; with 50% employer match about $163,562 at 4% or $109,041 at 6%; with 100% employer match about $122,671 at 4% or $81,781 at 6%.
2002114$871,175$135,824$9,702iApproximate average salary by contribution assumption: employee only about $242,543 at 4% or $161,695 at 6%; with 50% employer match about $161,695 at 4% or $107,797 at 6%; with 100% employer match about $121,271 at 4% or $80,848 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-14$871,175$135,824$9,702iApproximate average salary by contribution assumption: employee only about $242,543 at 4% or $161,695 at 6%; with 50% employer match about $161,695 at 4% or $107,797 at 6%; with 100% employer match about $121,271 at 4% or $80,848 at 6%.
2001113$0$0-
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-13---
2000111$825,715$84,155$7,650iApproximate average salary by contribution assumption: employee only about $191,261 at 4% or $127,508 at 6%; with 50% employer match about $127,508 at 4% or $85,005 at 6%; with 100% employer match about $95,631 at 4% or $63,754 at 6%.
Cornerstone Properties Inc. Section 401(K) Profit Sharing Plan and Trust-11$825,715$84,155$7,650iApproximate average salary by contribution assumption: employee only about $191,261 at 4% or $127,508 at 6%; with 50% employer match about $127,508 at 4% or $85,005 at 6%; with 100% employer match about $95,631 at 4% or $63,754 at 6%.
Cornerstone Properties Inc. | EIN 06-1100057 | 2025 Form 5500 Company Profile