Nonprofit · EIN 82-0626190
CITY SYSTEMS
Tax-exempt · WALNUT CREEK, CA 94597
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| February 28, 2026 | 990-EZ | $58,900 | $82,977 | -$24,077 | $10,735 | $15,000 | -$4,265 |
| February 28, 2025 | 990-EZ | $65,731 | $90,770 | -$25,039 | $19,812 | $0 | $19,812 |
| February 29, 2024 | 990-EZ | $27,625 | $110,800 | -$83,175 | $44,851 | $0 | $44,851 |
Financial details: 990-EZ for the year ended February 28, 2026
Revenue
- Contributions, gifts and grants
- $500
- Program service revenue
- $58,400
- Investment income
- $0
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $54,000
- Salaries, compensation and benefits (total)
- $54,000
- Professional fees and payments to contractors
- $28,290
- Occupancy
- $687
- Program services (functional)
- $82,978
Balance sheet and other
- Total assets, start of year
- $19,812
- Total assets, end of year
- $10,735
- Total liabilities, end of year
- $15,000
- Net assets, end of year
- -$4,265
- Cash, savings and investments
- $10,735
- Gross receipts
- $58,900
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-EZ for the year ended February 28, 2026, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DEREK OUYANG | CEO | 8 | $54,000 |
| ROBERT BEST | CFO | 0.25 | $0 |
990-EZ for the year ended February 28, 2025: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DEREK OUYANG | CEO | 8 | $54,035 |
| ROBERT BEST | CFO | 0.25 | $0 |
990-EZ for the year ended February 29, 2024: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DEREK OUYANG | CEO | 8 | $54,084 |
| ROBERT BEST | CFO | 0.25 | $0 |
Address and contacts
- Address (IRS master file)
- 157 MIRAMONTE RD, WALNUT CREEK, CA 94597-3415
- In care of
- % DEREK OUYANG
- Mailing address (990-N for 2020)
- 1075 Market St Apt 202, San Francisco CA 94103
- Principal officer (990-N for 2020)
- Derek Ouyang, 1075 Market St Apt 202, San Francisco CA 94103
- Signed the 990-EZ
- Derek Ouyang, CEO
- Phone
- (626) 246-8299
- Website
- HTTPS://CITY.SYSTEMS
California records
California keeps its own records of charities and corporations. Search them by EIN 82-0626190 or by the name CITY SYSTEMS.
- 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
Our mission is to research and build lasting solutions to systemic challenges within cities through a combination of affordable, equitable design and long-term local partnerships.
Program accomplishments
- SUPPORTED PRIVATE CLIENTS IN DATA SCIENCE CONSULTING... DEVELOPED DATA PROCESSING, ANALYSIS, AND VISUALIZATION TOOLS FOR CITIES, NONPROFITS, AND RESEARCH ORGANIZATIONS... REVENUE SUPPORTED EMPLOYEE TIME AND SOFTWARE EXPENSES...Expenses $58,056 · grants $33,800
- SUPPORT PERMITTING AND DEVELOPMENT OF ACCESSORY DWELLING UNIT IN EAST PALO ALTO TO SUPPORT ONGOING HOUSING INITIATIVEExpenses $24,922 · grants $24,600
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 February, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | February 28, 2026 | July 15, 2026 | 990-EZ on file |
| 2024 | February 28, 2025 | July 15, 2025 | 990-EZ on file |
| 2023 | February 29, 2024 | July 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 82-0626190
- 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
- 2017
- Accounting year ends
- February
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Community improvement and capacity building (S05)
- Assets (IRS master file)
- $10,735
- Income (IRS master file)
- $58,900
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | February 2026 | $58,900 | $82,977 | $10,735 | IRS |
| 990-EZ | February 2025 | $65,731 | $90,770 | $19,812 | IRS |
| 990-EZ | February 2024 | $27,625 | $110,800 | $44,851 | XML |
| 990-EZ | February 2023 | – | – | – | IRS |
| 990 | February 2022 | – | – | – | IRS |
| 990-N for 2020 Officer: Derek Ouyang | February 28, 2021 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2019 Officer: Derek Ouyang | February 29, 2020 | ≤ $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 82-0626190).
Questions about CITY SYSTEMS
- What is the EIN of CITY SYSTEMS?
- The employer identification number (EIN) of CITY SYSTEMS is 82-0626190.
- Is CITY SYSTEMS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2017.
- Are donations to CITY SYSTEMS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does CITY SYSTEMS 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 CITY SYSTEMS due?
- The return for tax year 2026 (the year ending February 28, 2027) is due July 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did CITY SYSTEMS last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended February 2026.
- Who is the principal officer of CITY SYSTEMS?
- The 990-N for 2020 names Derek Ouyang.
- Who are the officers and directors of CITY SYSTEMS?
- The 990-EZ for the year ended February 28, 2026 lists 2 people; 1 received compensation from the organization, the highest $54,000 (DEREK OUYANG, CEO).
- How much revenue does CITY SYSTEMS have?
- On its 990-EZ for the year ended February 28, 2026 it reported revenue of $58,900, expenses of $82,977 and total assets of $10,735 at year end.
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All nonprofits in WALNUT CREEK · California · Community improvement and capacity building