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Nonprofit · EIN 52-1600902

CHEMICAL SENSITIVITY DISORDERS ASSOCIATION INC CSDA

Tax-exempt · LAUREL, MD 20708

Address and contacts

Address (IRS master file)
11512 BASSWOOD CT, LAUREL, MD 20708-3172
In care of
% DEBRA K ROY
Mailing address (990-N for 2025)
11512 Basswood Court, Laurel MD 20708
Principal officer (990-N for 2025)
Debbie Roy, 11512 Basswood Court, Laurel MD 20708

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-N on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for CHEMICAL SENSITIVITY DISORDERS ASSOCIATION INC CSDA

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
52-1600902
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1989
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Debbie Roy
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Debra K Roy
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Debra K Roy
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Rita Marth
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Lawrence A Plumlee
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Lawrence A Plumlee
December 31, 2019≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 52-1600902).

Questions about CHEMICAL SENSITIVITY DISORDERS ASSOCIATION INC CSDA

What is the EIN of CHEMICAL SENSITIVITY DISORDERS ASSOCIATION INC CSDA?
The employer identification number (EIN) of CHEMICAL SENSITIVITY DISORDERS ASSOCIATION INC CSDA is 52-1600902.
Is CHEMICAL SENSITIVITY DISORDERS ASSOCIATION INC CSDA tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1989.
Are donations to CHEMICAL SENSITIVITY DISORDERS ASSOCIATION INC CSDA tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does CHEMICAL SENSITIVITY DISORDERS ASSOCIATION INC CSDA file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of CHEMICAL SENSITIVITY DISORDERS ASSOCIATION INC CSDA due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did CHEMICAL SENSITIVITY DISORDERS ASSOCIATION INC CSDA last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of CHEMICAL SENSITIVITY DISORDERS ASSOCIATION INC CSDA?
The 990-N for 2025 names Debbie Roy.

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