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Plinth

· Public charity

California Homebuilding Foundation

To promote the homebuilding industry through scholarship, research, education and professional recognition.

$320k
Granted FY2024still arriving
2
Grants FY2024still arriving
1
States reached
$15k
Largest
01What you fund
01100% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY20172024.

Education$140kCommunity Improvement$87kHousing & Shelter$62kEmployment$25kEnvironment$15kSocial Science$15kHuman Services$9k
02FY2024 · 2 grants

Where the money goes

Your grants by size, and where they go.

The 2 grants below total $30,000 — the rows itemised in this filing. The $320,297 headline is the total grant expense reported on the return, so the remaining $290,297 is giving the schedule does not break out: grants under the $5,000 itemisation floor, grants to individuals, and grants reported on other schedules. Every figure below describes the itemised rows only.

$15,000
Median grant
1
States reached
$14M
Total assets
Largest grants
RecipientAmount
San Diego State University$15,000
Univ Foundation Sac State$15,000
02The need
03

Do your dollars go where the need is?

Each grant placed by the hardship in its grantee’s ZIP, then read against the area’s typical level.

show:

Your human-services grants (FY23–23, $30k) land where the poverty rate runs at 10%, against an area that typically sits at 10%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 10%Bay Area Council Foundation: $30k → 10%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount

Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty linein the grantee’s ZIP, averaged from the tracts in that ZIP; grantee ZIP can differ from where services are delivered.

US grants placed by each grantee’s ZIP, which can differ from where services are actually delivered. Need from public data — U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA — shown as context about the area, never attributed to your giving.

03Your field

The map has a center of gravity: the average direction from the rest of the sector toward the organizations the foundation funds — the shape of its giving. Scoring every nonprofit along that direction surfaces the ones that look most like the portfolio. These are the closest matchesthat aren’t grantees — a resemblance in what they say they do, not a recommendation.

1
The American Institute of Architects California

The AIA California, in collaboration with local components, is the voice of the architectural profession.

2
California Chamber of Commerce

Represent members and cal employers to members of cal legislature and other agencies of state government through in-house legislative analysts, lobbying staff, and contract lobbyists. cal chamber publishes books and software related to…

3
The California Channel

To distribute public affairs and other educational information in order to create an electronic bridge between californians and their public officials, and, in the process educate a new generation of voting citizens and civic leaders who…

4
California State University Alumni Association

Connect, engage and celebrate alumni, students and friends of sacramento state while building lifelong relationships that support the future of our university.

Education
5
Building Industry Association of San Diego

The mission of the building industry association of san diego is to proactively promote a positive business environment for the land development, home building and commercial development industry throughout san diego county.

6
Construction Industry Force Account Council

Cifac is a non-profit 501(c)(6) membership organization that supports the coalition of concerned construction industry associations, contractors and labor unions that work to ensure state and local governments' compliance with the public…

7
California Business Properties Association

To inform california legislators and regulators of concerns to commercial property owners and to inform its members of legislative and regulatory actions.

8
California Apartment Association

The organization's mission is to represent the ethical members of the rental housing industry in all aspects of government affairs within the state of california, and to provide information, products and services which contribute to the…

9
California Association of Councils of Governments

To provide a forum for study, discussion, and action on statewide problems of mutual interest to cities, counties, and councils of governments.

10
Association of California School Administrators

The association serves its members by creating resources that enable california school administrators to develop and apply creative leadership and management skills and in turn, improve the educational process for all students.

11
California Energy Alliance

The California Energy Alliance (CEA) unites representatives of a broad range of organizations concerned about energy and the build environment. As a member-based organization, CEA works to improve California's energy future and migration…

Public Safety & Disaster
12
County Supervisors Association of Calif

The mission of the organization is to serve california counties by: developing and equipping county leaders to better serve their communities; effectively advocating and partnering with state and federal governments for appropriate…

For reference, the grantee most central to the portfolio’s shape is California Forward and the most unlike its peers is University of Southern California. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.

04the grantee network

10 grantees tracked through their own filings, 2017–2025.

Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue from every source. Association, dated; never a causal claim.

Counted here: distinct organizations you funded across 20172025, not grant rows in a single year — so this will not match the grant count on the cover. 10 of the 13 grantees resolved in that span have returns of their own we could reconcile; the rest are funded organizations whose filings we could not track year by year.

0
Load-bearing (≥25% of a budget)
0
Early backer (in before they grew)
10/10
Grantees still filing
7/10
Grew since you first funded

Where your money sits — by cause, then by grantee

SAN DIEGO STATE UNIVERSITY — $67,000 · OtherSAN DIEGO STATE UNIVERSITYCALIFORNIA BUILDING INDUSTRY ASSOCIATION — $37,784 · OtherCALIFORNIA BUILDING INDUSTRY ASSOCIATIONASSOCIATED GENERAL CONTRACTORS OF CALIFORNIA INC — $25,000 · OtherASSOCIATED GENERAL CONTRACTORS OF CALIFORNIA INCNORTH STATE BUILDING INDUSTRY ASSOCIATION — $25,000 · OtherNORTH STATE BUILDING INDUSTRY ASSOCIATIONBUILDING INDUSTRY ASSN OF THE GREATER VALLEY — $23,850 · OtherBUILDING INDUSTRY ASSN OF THE GREATER VALLEYPUBLIC POLICY INSTITUTE OF CALIFORNIA — $15,000 · OtherPUBLIC POLICY INSTITUTE OF CALIFORNIANorth Orange County ROP — $9,086 · OtherREGENTS OF THE UNIVERSITY OF CALIFORNIA AT BERKELEY — $8,000 · OtherUNIVERSITY OF SOUTHERN CALIFORNIA — $50,000 · EducationUNIVERSITY OF SOUTHE…THE UNIVERSITY FOUNDATION AT SACRAMENTO STATE — $15,000 · EducationTHE UNIVERSITY FOUND…COMMUNITY PARTNERS — $31,950 · Community ImprovementCOMMUNITY …BAY AREA COUNCIL FOUNDATION — $30,000 · Human ServicesBAY AREA …CALIFORNIA FORWARD — $15,000 · Public Benefit
Other$210,720Education$65,000Community Improvement$31,950Human Services$30,000Public Benefit$15,000

Each org by its size and your share of it — top-left is where you’re load-bearing

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ your share of their budgetUNIVERSITY OF SOUTHERN CALIFORNIA — $50,000 over 1y, 0.0% of budgetCALIFORNIA BUILDING INDUSTRY ASSOCIATION — $37,784 over 2y, 0.3% of budgetCOMMUNITY PARTNERS — $31,950 over 1y, 0.1% of budgetBAY AREA COUNCIL FOUNDATION — $30,000 over 1y, 0.6% of budgetASSOCIATED GENERAL CONTRACTORS OF CALIFORNIA INC — $25,000 over 1y, 0.4% of budgetNORTH STATE BUILDING INDUSTRY ASSOCIATION — $25,000 over 1y, 1.0% of budgetBUILDING INDUSTRY ASSN OF THE GREATER VALLEY — $23,850 over 1y, 5.2% of budgetCALIFORNIA FORWARD — $15,000 over 1y, 0.6% of budgetTHE UNIVERSITY FOUNDATION AT SACRAMENTO STATE — $15,000 over 1y, 0.1% of budgetPUBLIC POLICY INSTITUTE OF CALIFORNIA — $15,000 over 1y, 0.1% of budget
Go grantee by grantee — a decade per org, and how each moved after you funded them

A decade per grantee — revenue shaded, your grants as bars, all rows on one timeline.

The grantmakers whose grantees overlap with yours far more than size alone predicts. Each orbits closer the stronger the alignment; the arcs between them show where they also fund each other. Here it reads as a tightly interlocked camp — most of these funders back each other's grantees too.

The Sobrato Family FoundationCA13.5× affinity4 shared granteesties to 2 of 2Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Sobrato Family Foundation · Silicon Valley Community Foundation · Fidelity Investments Charitable Gift Fund

Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. A research starting point: overlap is association, not proof of shared intent.

Government reliance of your grantees

Every dot is one organization California Homebuilding Foundation funds. Left–right is the share of its income from government; up–down is the share from you. Bigger dots raise more. Filter to federal or a single department — and drag the year to watch it move.

2024
202122232425
no gov · 00%1%3%6%10%your share of their income ↑0%4%8%11%15%share of the org’s income from government
    no gov moneyreceives it· size = income
    0get no government money at all
    1report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    ⤢ axis zoomed · 0–15%
    typical government reliance, FY2025

    Government income is each org’s traced federal awards (USASpending — grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check: a grantee that reports government grants we could not trace to a source is left off the chart rather than shown as receiving none. An association, not a claim that your grant caused the public funding. Coverage is precision-first — a floor, not a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12–24 months.

    On method. Every financial figure here is read directly from IRS e-file XML — your own 990/990-PF and the multi-year returns of the 13 grantees we resolved across every year we hold, several hundred filings in all (a different count from the grant rows on the cover, which are one fiscal year)— each linked to its source. Grantee achievements and outcomes are each organization’s own program-service reporting (Form 990, Part III); we read these as association with sustained funding — the foundation is one of several forces — suppress low-confidence name matches rather than guess, and say so where a figure rests on a single grant or filing. Not everything on this page is a filed figure, and the difference matters. Filed is what you reported on your return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears. How we build these →

    Generated from your IRS Form 990 e-file return for fiscal year 2024, released 2024. Filings run roughly 12–24 months behind; figures are dated accordingly.

    Source object · view filing

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