Nonprofit · EIN 23-7017452
NATIONAL ASSOCIATION OF LETTER CARRIERS
Also known as 1280 SAN MATEO CALIFORNIA
Tax-exempt · BURLINGAME, CA 94011
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $212,993 | $224,641 | -$11,648 | $538,303 | $0 | $538,303 |
| December 31, 2024 | 990 | $200,893 | $232,931 | -$32,038 | $549,951 | $0 | $549,951 |
| December 31, 2023 | 990 | $203,874 | $191,761 | $12,113 | $581,989 | $0 | $581,989 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $0
- Program service revenue
- $210,820
- Investment income
- $13
- Net rental income
- $2,160
- Other revenue
- $2,160
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $105,983
- Other salaries and wages
- $9,187
- Salaries, compensation and benefits (total)
- $115,170
- Professional fundraising fees
- $0
- Accounting fees
- $3,500
- Occupancy
- $30,455
- Travel
- $7,499
Balance sheet and other
- Total assets, start of year
- $549,951
- Total assets, end of year
- $538,303
- Total liabilities, end of year
- $0
- Net assets, end of year
- $538,303
- Net assets without donor restrictions
- $538,303
- Gross receipts
- $212,993
- Employees
- 6
- Volunteers
- 0
- Year formed
- 1976
- State of legal domicile
- CA
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MANUEL MAIRENA | PRESIDENT Officer | 1 | $41,560 |
| CATHERINE MADRID | EXECUTIVE VICE PRESIDENT Officer | 1 | $31,424 |
| LUDWIG MOSTEIRO | TREASURER Officer | 1 | $21,308 |
| ANNALISA SKOG | RECORDING SECRETARY Officer | 1 | $5,339 |
| JIMMIE YUEN | 2ND VICE PRESIDENT Officer | 1 | $3,815 |
| ZHIQIANG TAN | 1ST VICE PRESIDENT Officer | 1 | $2,537 |
| FEDERICO REYES | TRUSTEE Trustee or director | 1 | $0 |
990 for the year ended December 31, 2024: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MANUEL MAIRENA | PRESIDENT Officer | 1 | $39,424 |
| CATHERINE MADRID | EXECUTIVE VICE PRESIDENT Officer | 1 | $35,344 |
| LUDWIG MOSTEIRO | TREASURER Officer | 1 | $29,784 |
| ANNALISA SKOG | RECORDING SECRETARY Officer | 1 | $4,280 |
| JIMMIE YUEN | 2ND VICE PRESIDENT Officer | 1 | $3,280 |
| ZHIQIANG TAN | 1ST VICE PRESIDENT Officer | 1 | $1,824 |
| FEDERICO REYES | TRUSTEE Trustee or director | 1 | $0 |
990 for the year ended December 31, 2023: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MANUEL MAIRENA | PRESIDENT Officer | 1 | $38,768 |
| CATHERINE MADRID | EXECUTIVE VICE PRESIDENT Officer | 1 | $31,122 |
| LUDWIG MOSTEIRO | TREASURER Officer | 1 | $26,878 |
| ANNALISA SKOG | RECORDING SECRETARY Officer | 1 | $4,705 |
| JIMMIE YUEN | 2ND VICE PRESIDENT Officer | 1 | $2,418 |
| ZHIQIANG TAN | 1ST VICE PRESIDENT Officer | 1 | $1,943 |
| FEDERICO REYES | TRUSTEE Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 4144, BURLINGAME, CA 94011-4144
- In care of
- % H O OLIVEROS
- Principal officer (990 for 2025)
- MANUEL MAIRENA, PO BOX 4144, BURLINGAME, CA 94011
- Signed the 990
- MANUEL MAIRENA, PRESIDENT
- Phone
- (650) 344-7855
- Return prepared by
- INEICH & COMPANY LLP
California records
California keeps its own records of charities and corporations. Search them by EIN 23-7017452 or by the name NATIONAL ASSOCIATION OF LETTER CARRIERS.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
Mission
TO ORGANIZE ALL WORKERS AND TO SECURE IMPROVED WAGES, HOURS, WORKING CONDITIONS AND OTHER ECONOMIC ADVANTAGES THROUGH ORGANIZATION, NEGOTIATIONS AND COLLECTIVE BARGAINING.
Program accomplishments
- TO ORGANIZE ALL WORKERS AND TO SECURE IMPROVED WAGES, HOURS, WORKING CONDITIONS AND OTHER ECONOMIC ADVANTAGES THROUGH ORGANIZATION, NEGOTIATIONS AND COLLECTIVE BARGAINING.Expenses $224,641 · revenue $210,820
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 23-7017452
- Tax-exempt status
- 501(c)(5): Labor, agricultural or horticultural organization
- Donations deductible
- No
- Exempt since
- 1944
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Group exemption
- 0685: NATIONAL ASSOCIATION OF LETTER CARRIERS
- Assets (IRS master file)
- $538,303
- Income (IRS master file)
- $212,993
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $212,993 | $224,641 | $538,303 | XML |
| 990 | December 2024 | $200,893 | $232,931 | $549,951 | IRS |
| 990 | December 2023 | $203,874 | $191,761 | $581,989 | XML |
| 990 | December 2022 | $210,623 | $191,602 | $569,876 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
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 23-7017452).
Questions about NATIONAL ASSOCIATION OF LETTER CARRIERS
- What is the EIN of NATIONAL ASSOCIATION OF LETTER CARRIERS?
- The employer identification number (EIN) of NATIONAL ASSOCIATION OF LETTER CARRIERS is 23-7017452.
- Is NATIONAL ASSOCIATION OF LETTER CARRIERS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(5) since 1944.
- Are donations to NATIONAL ASSOCIATION OF LETTER CARRIERS tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does NATIONAL ASSOCIATION OF LETTER CARRIERS file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of NATIONAL ASSOCIATION OF LETTER CARRIERS 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 NATIONAL ASSOCIATION OF LETTER CARRIERS last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of NATIONAL ASSOCIATION OF LETTER CARRIERS?
- The 990 for the year ended December 31, 2025 names MANUEL MAIRENA.
- Who are the officers and directors of NATIONAL ASSOCIATION OF LETTER CARRIERS?
- The 990 for the year ended December 31, 2025 lists 7 people; 6 received compensation from the organization, the highest $41,560 (MANUEL MAIRENA, PRESIDENT).
- How much revenue does NATIONAL ASSOCIATION OF LETTER CARRIERS have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $212,993, expenses of $224,641 and total assets of $538,303 at year end.
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