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Nonprofit · EIN 30-0590727

DIMOND IMPROVEMENT ASSOCIATION

Also known as OAKTOBERFEST

Tax-exempt · OAKLAND, CA 94602

Financials

$133K$132K2022$173K$149K2023$170K$139K2024
Revenue Expenses · by fiscal year end
Financials of DIMOND IMPROVEMENT ASSOCIATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
March 31, 2025990$169,663$138,562$31,101$239,093$29,729$209,364
March 31, 2024990$172,585$148,608$23,977$179,003$15,000$164,003
March 31, 2023990$133,136$131,923$1,213$140,026$0$140,026
Financial details: 990 for the year ended March 31, 2025

Revenue

Contributions, gifts and grants
$128,491
of which government grants
$25,000
Membership dues
$1,200
Program service revenue
$17,817
Investment income
$1
Net income from fundraising events
$23,354
Other revenue
$23,354

Expenses

Grants and similar amounts paid
$8,120
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Accounting fees
$2,419
Program services (functional)
$127,742
Management and general (functional)
$6,409
Fundraising (functional)
$4,411

Balance sheet and other

Total assets, start of year
$179,003
Total assets, end of year
$239,093
Total liabilities, end of year
$29,729
Net assets, end of year
$209,364
Net assets without donor restrictions
$200,424
Net assets with donor restrictions
$8,940
Gross receipts
$404,253
Employees
0
Volunteers
140
Year formed
1953
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 March 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
KEVIN WHITTINGHILLCHAIR
Trustee or director, Officer
5$0
DAVID GROSSCHAIR FY2026
Trustee or director, Officer
5$0
ALEX PARKTREASURER
Trustee or director, Officer
5$0
BRET PETERSONBOARD MEMBER
Trustee or director
2$0
CHRIS HARPERBOARD MEMBER
Trustee or director
2$0
VICTORIA WAKEBOARD MEMBER
Trustee or director
2$0
JUDY KLINGERBOARD MEMBER
Trustee or director
2$0
MAY SETO-WASEMBOARD MEMBER
Trustee or director
2$0
ZANDILE CHRISTIANBOARD MEMBER
Trustee or director
2$0
JAMIE WATSONBOARD MEMBER
Trustee or director
2$0
MARIA RINCONBOARD MEMBER
Trustee or director
2$0
DON WOODSBOARD MEMBER
Trustee or director
2$0
ROBIN GIBSONBOARD MEMBER
Trustee or director
2$0
990 for the year ended March 31, 2024: 19 people
NameTitleHours / weekCompensation
KEVIN WHITTINGHILLCHAIR
Trustee or director, Officer
5$0
DAVID GROSSSECRETARY
Trustee or director, Officer
5$0
ALEX PARKTREASURER
Trustee or director, Officer
5$0
ANOUSH JACKSON-SATLERBOARD MEMBER
Trustee or director
2$0
BRET PETERSONBOARD MEMBER
Trustee or director
2$0
CHARIS JONES-ALLENBOARD MEMBER
Trustee or director
2$0
CHARLIE DETERLINEBOARD MEMBER
Trustee or director
2$0
CHRIS HARPERBOARD MEMBER
Trustee or director
2$0
DON WOODSBOARD MEMBER
Trustee or director
2$0
HEATHER HARRISBOARD MEMBER
Trustee or director
2$0
JULIE JOHNSONBOARD MEMBER
Trustee or director
2$0
JUDY KLINGERBOARD MEMBER
Trustee or director
2$0
MADELEINE DEWITTBOARD MEMBER
Trustee or director
2$0
MALIA MILLERBOARD MEMBER
Trustee or director
2$0
MARTY WUNSCHBOARD MEMBER
Trustee or director
2$0
MAY SETO-WASEMBOARD MEMBER
Trustee or director
2$0
MICHAELA SANGALLI-GUILANOBOARD MEMBER
Trustee or director
2$0
VICTORIA WAKEBOARD MEMBER
Trustee or director
2$0
ZANDILE CHRISTIANBOARD MEMBER
Trustee or director
2$0
990 for the year ended March 31, 2023: 21 people
NameTitleHours / weekCompensation
KEVIN WHITTINGHILLCHAIR
Trustee or director, Officer
5$0
DAVID GROSSSECRETARY
Trustee or director, Officer
5$0
ALEX PARKTREASURER
Trustee or director, Officer
5$0
RYAN ROMANESKIPAST CHAIR
Trustee or director, Officer
5$0
JULIE JOHNSONBOARD MEMBER
Trustee or director
2$0
CHRIS HARPERBOARD MEMBER
Trustee or director
2$0
ANOUSH JACKSON-SATTLERBOARD MEMBER
Trustee or director
2$0
BRET PETERSONBOARD MEMBER
Trustee or director
2$0
CHARLIE DETERLINEBOARD MEMBER
Trustee or director
2$0
CHRIS PALOMAREZBOARD MEMBER
Trustee or director
2$0
ERICA PEREZBOARD MEMBER
Trustee or director
2$0
HEATHER HARRISBOARD MEMBER
Trustee or director
2$0
JAY ASHFORDBOARD MEMBER
Trustee or director
2$0
JUDY KLINGERBOARD MEMBER
Trustee or director
2$0
LINDSEY BERKINGBOARD MEMBER
Trustee or director
2$0
MARTY WUNSCHBOARD MEMBER
Trustee or director
2$0
MAY SETO-WASEMBOARD MEMBER
Trustee or director
2$0
MICHAELA SANGALLI-GUILANOBOARD MEMBER
Trustee or director
2$0
VICTORIA WAKEBOARD MEMBER
Trustee or director
2$0
ZANDILE CHRISTIANBOARD MEMBER
Trustee or director
2$0
PHYLISS MARTINEZBOARD MEMBER
Trustee or director
2$0

Address and contacts

Address (IRS master file)
PO BOX 27355, OAKLAND, CA 94602-0355
In care of
% PERPETUO Z TAYCO
Mailing address (990-N for 2010)
P O BOX 27355, OAKLAND CA 94602
Principal officer (990 for 2024)
KEVIN WHITTINGHILL, P O BOX 27355, OAKLAND, CA 94602
Principal officer (990-N for 2010)
JULIE JOHNSON, 4036 WHITTLE AVE, OAKLAND CA 94602
Signed the 990
DAVID GROSS, CHAIR FY2026
Phone
(510) 482-6204
Return prepared by
MARJTAX INCORPORATED

California records

California keeps its own records of charities and corporations. Search them by EIN 30-0590727 or by the name DIMOND IMPROVEMENT ASSOCIATION.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

Mission

TO MAKE OAKLAND'S DIMOND DISTRICT A VIBRANT, SAFE, AND BEAUTIFUL PLACE FOR EVERYONE TO LIVE, WORK, SHOP, AND PLAY.

990 for the year ended March 31, 2025

Program accomplishments

  • BEAUTIFICATION - DIA WORKS TO CREATE AND NURTURE A CLEAN, GREEN, AND ARTISTICALLY RICH COMMUNITY FOR RESIDENTS, BUSINESSES, AND VISITORS. THROUGH DIA'S KEEP DIMOND CLEAN (KDC) PROGRAM, STARTED IN 2009, LITTER IS PICKED UP 7 DAYS A WEEK-2 DAYS WITH VOLUNTEER CREWS AND 5 DAYS BY A SMALL COMPANY, PAID FOR THROUGH AN ANNUAL COMMUNITY FUNDRAISER. MORE THAN 6 TONS OF TRASH ARE REMOVED EACH YEAR. DIA GREENING EFFORTS INCLUDE TREE PLANTING, WEEDING, AND MULCHING; MAINTAINING PLANTERS; & RESTORING A SMALL AREA OF OPEN SPACE OVERLOOKING SAUSAL CREEK. DIA'S PUBLIC ART FUND SUPPORTS THE INSTALLATION AND UPKEEP OF MURALS, MOSAICS, AND SCULPTURES, AND A VIRTUAL PUBLIC ART TOUR HIGHLIGHTS MORE THAN TWO DOZEN ART PIECES.
    Expenses $36,709
  • COMMUNITY ENGAGEMENT - BRINGING PEOPLE TOGETHER IS IMPORTANT TO DIA AND IS REFLECTED IN OUR MOTTO "INVOLVEMENT BUILDS COMMUNITY." OUR SPRING DIMOND SHINE DAY BRINGS OUT SOME 140 RESIDENTS FOR HANDS-ON CLEAN-UP AND BEAUTIFICATION ACTIVITIES. OUR FALL OAKTOBERFEST FAMILY- FRIENDLY FESTIVAL DRAWS THOUSANDS, SHOWCASING THE BUSINESS DISTRICT & ITS GERMAN ROOTS, AS WELL AS RAISING THE LION'S SHARE OF FUNDING FOR OUR ONGOING PROGRAMS. OUR HOLIDAY DIMOND LIGHTS CRAFTS FAIR, CO-ORGANIZED WITH THE DIMOND MERCHANTS ASSOCIATION, SHOWCASES LOCAL ARTISTS. OUR COMMUNITY GRANTS PROGRAM OFFERS 1,500 GRANTS TO INDIVIDUALS AND GROUPS FOR PHYSICAL AND CULTURAL ENHANCEMENT PROJECTS. PERIODIC COMMUNITY MEETINGS FEATURE ELECTION FORUMS AND LOCAL SPEAKERS.
    Expenses $73,966
  • PUBLIC SAFETY - DIA WORKS TO DETER AND RESPOND TO CRIME IN OUR COMMUNITY, AND REDUCE PANHANDLING AND HOMELESSNESS IN THE COMMERCIAL AREA, SO THAT MERCHANTS, RESIDENTS, AND SHOPPERS CAN ENJOY THE DIMOND AND FEEL SAFE AS THEY WORK, VISIT, PATRONIZE, OR PASS THROUGH THE NEIGHBORHOOD. DIA HAS FUNDED AND INSTALLED FOUR SETS OF SECURITY CAMERAS AND SUPPLIES VIDEO FOOTAGE TO THE POLICE AND CRIME VICTIMS AS NEEDED. DIA ALSO WORKS ON PEDESTRIAN AND VEHICLE SAFETY BY ENGAGING OAKLAND'S DEPT. OF TRANSPORTATION AND OUR CITY COUNCILPERSON ON SIDESHOW DETERRENCE AND CROSSWALK ENHANCEMENT.
    Expenses $17,067 · grants $8,120

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 March, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025March 31, 2026August 17, 2026Not on file
2024March 31, 2025August 15, 2025990 on file
2023March 31, 2024August 15, 2024990 on file

IRS record

EIN
30-0590727
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
2015
Accounting year ends
March
Files
Form 990 or 990-EZ
Assets (IRS master file)
$239,093
Income (IRS master file)
$404,253

Filing history

FormYear endedRevenueExpensesAssetsReturn
990March 2025$169,663$138,562$239,093XML
990March 2024$172,585$148,608$179,003XML
990March 2023$133,136$131,923$140,026XML
990March 2022$43,970$46,301$138,813IRS
990March 2021–––IRS
990March 2020–––IRS
990March 2019–––IRS
990March 2018–––IRS
990-N for 2010
Officer: JULIE JOHNSON
March 31, 2011≤ $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 30-0590727).

Questions about DIMOND IMPROVEMENT ASSOCIATION

What is the EIN of DIMOND IMPROVEMENT ASSOCIATION?
The employer identification number (EIN) of DIMOND IMPROVEMENT ASSOCIATION is 30-0590727.
Is DIMOND IMPROVEMENT ASSOCIATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2015.
Are donations to DIMOND IMPROVEMENT ASSOCIATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does DIMOND IMPROVEMENT ASSOCIATION 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 DIMOND IMPROVEMENT ASSOCIATION due?
The return for tax year 2025 (the year ending March 31, 2026) is due August 17, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did DIMOND IMPROVEMENT ASSOCIATION last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended March 2025.
Who is the principal officer of DIMOND IMPROVEMENT ASSOCIATION?
The 990 for the year ended March 31, 2025 names KEVIN WHITTINGHILL.
Who are the officers and directors of DIMOND IMPROVEMENT ASSOCIATION?
The 990 for the year ended March 31, 2025 lists 13 people; 0 received compensation from the organization.
How much revenue does DIMOND IMPROVEMENT ASSOCIATION have?
On its 990 for the year ended March 31, 2025 it reported revenue of $169,663, expenses of $138,562 and total assets of $239,093 at year end.

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