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Sprinkler Fitters Local 483 at a glanceAlso receives grants: funding profile →

· Public charity

Sprinkler Fitters Local 483

To organize workers for their economic and social advancement within the sprinkler fitting industry.

$198k
Granted FY2024still arriving
4
Grants FY2024still arriving
1
States reached
$21k
Largest
01What it fundsRead
02The needRead
03Its granteesRead
04Its fieldRead
05Through PlinthRead
01What it funds
0196% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2018 to 2024.

Employment$78kEducation$69kCommunity Improvement$58kMembership Benefit$38kPublic Benefit$21kEnvironment$10kPublic Safety & Disaster$10kRecreation & Sports$7kOther$0
02FY2024 · 4 grants

Where the money goes

Grants by size, and the largest recipients.

How this is measured
The 4 grants below total $46,000, the rows itemized in this filing. The $198,121 headline is the total grant expense on the return; the other $152,121 is giving the schedule does not break out (grants under the $5,000 itemization floor, grants to individuals, grants on other schedules). Every figure below describes the itemized rows only.

By grant size · FY2024

  • Under $10k2 grants · $15k
  • $10k–50k2 grants · $31k
$10,000
Median grant
1
States reached
$7.6M
Total assets
Largest grants
RecipientAmount
San Francisco Bldg & Const Trades council$21,000
Scholarship & Community Fund Local 483$10,000
CALIFORNIA PIPE TRADES SCHOLARSHIP FOUNDATION$9,000
CONSTRUCTION TRADES WORKFORCE INITIATIVE$6,000
02The need
03

Does the money reach high-need areas?

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

show:

Dollar for dollar, its grants (FY18–24) land where the poverty rate runs at 10%, against an area that typically sits at 10%. 51% of its dollars go to grantees based in above-average-need neighborhoods. Its grants spread fairly evenly across need levels.

area typical 10%FAIR ELECTIONS INITIATIVE: $10k → 8%CCBCTC (Contra Costa BTC): $15k → 9%CYPRESS MANDELA TRAINING CENTER: $6k → 10%LOCAL 38: $6k → 10%East Bay Residents for Responsible Dev: $50k → 12%APPRENTICE & JOURNEYMEN TRAINING TRUST FUND OF SOUTHERN CALIFORNIA PLUMBING: $7k → 14%UNION HISTORIES: $6k → 10%UNION SPORTMEN'S ALLIANCE: $10k → 4%south bay labor council: $23k → 10%UA Scholarship Trust: $10k → 6%KEEP THE BAY AREA MOVING: $8k → 10%SAN FRANCISCO PARKS ALLIANCE: $7k → 10%CUPERTINO GETTING THINGS DONE: $11k → 12%UA CHARITABLE FUND TRUST: $10k → 6%UA 483 Scholarship fund: $10k → 10%San Francisco Bldg & Const Trades council: $21k → 10%CALIFORNIA PIPE TRADES SCHOLARSHIP FOUNDATION: $9k → 12%SPRINKLER FITTERS Local 483 Scholarship& Community: $10k → 10%BUILDING & CONSTRUCTION TRADES: $5k → 10%CA PIPE TRADES SCHOLARSHIP: $8k → 12%Scholarship & Community Fund Local 483: $10k → 10%Equitable Inclusive & Transpa: $10k → 12%ALAMEDA LABOR COUNCIL: $10k → 10%BUILDING AND CONSTRUCTION TRADES COUNCIL OF ALAMEDA COUNTY: $10k → 10%BCTC: $8k → 10%CYPRESS MANDELA TRAINING CENTER: $7k → 10%CONSTRUCTION TRADES WORKFORCE INITIATIVE: $6k → 10%BUILDING AND CONSTRUCTION TRADES COUNCIL OF ALAMEDA COUNTY: $5k → 10%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
04

Where the work is directed

The same grants placed two ways: where each recipient sits, and where its stated purpose sends the money.

About 18% of Sprinkler Fitters Local 483’s grant dollars are earmarked for a different county than the recipient’s own address. By recipient address, 81% of the giving stays in CA; by stated purpose, 67%.

Sprinkler Fitters Local 483lessmore of its giving
Placed by recipient address
How this is measured
Recipient view: each grant at its grantee’s ZIP, mapped to a county. Directed view: each grant at the county its stated purpose names, falling back to the recipient’s county when the purpose names no place; US grants only. A county shows only if it carries the top 95% of that view’s dollars. Purposes are read from the funder’s own 990 grant descriptions.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

33%of every dollar goes to organizations it has funded before.
$101k · 4 repeat orgs$204k to everyone else

4 repeat relationships: 3 still active in FY2024, 1 since wound down; 1 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

4
16

Total granted

$101k
$198k

Median revenue growth · since first grant

-3%
-1%

Still filing today

100%
69%

New vs renewed · share of each year

In FY2024, 87% of grant dollars renewed an existing relationship; $6k went to new ones.

50%100%’18’19’20’21’22’23’24
RenewedFirst-time

Where new relationships form · theme of each grantee’s first grant

’18’19’20’21’22’23’24
EducationEmploymentCommunity ImprovementEnvironmentRecreation & SportsPublic Safety & DisasterOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). The earliest year is left-censored: relationships that predate the data read as new. Theme is the grantee’s IRS cause.

Backed again, and grew

  • SB
    SF BLDG & CONST TRADES COUNCIL
    4× · 2018–2024 · $42k · revenue +196%
  • SF
    SPRINKLER FITTERS LOCAL 483 SCHOLARSHIP & COMMUNITY FUND
    3× · 2022–2024 · $30k · revenue -5%
  • CS
    CALIFORNIA STATE PIPE TRADES COUNCIL SCHOLARSHIP FUND
    2× · 2023–2024 · $17k · revenue -12%

Funded once

  • EB
    EAST BAY RESIDENTS FOR RESPONSIBLE DEVELOPMENTgraduated
    one grant, 2023 · $50k · revenue +25% · 50% of their budget
  • SB
    SOUTH BAY AFL-CIO LABOR COUNCILgraduated
    one grant, 2022 · $23k · revenue +31%
  • CC
    CONTRA COSTA BUILDING AND CONSTRUCTION TRADES COUNCIL
    one grant, 2022 · $15k · revenue -1%
How this is measured

Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.

04Its field

Closest unfunded matches

The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.

1
Sacramento Central Labor Council

To benefit local trade unions and their members through education and promotion of union labor to the public.

—
2
United Association of Journeymen and Apprentices for the Plumbing and Pipef

The local union acts as the collective bargaining agent for its members

—
3
Contra Costa Labor Council Afl-Cio

The council is a federation of approximately 85 affiliated unions. the organizaton engages in a wide range of activities. the activities are designed to improve the lives of working families, to bring economic justice to the workplace, and…

—
4
California Labor Federation Afl-Cio

The primary purposes of the organization are the study of economic and social conditions; the pursuit of policies aimed at effecting a more equal distribution of wealth; and the promotion of full employment.

—
5
Sprinkler Fitters Local 483

To organize workers for their economic and social advancement within the sprinkler fitting industry.

Employment
6
South Bay Piping Industry Labor Management Trust

To foster cooperation between labor and management in the south bay area through communication, training and education.

—
7
Plumbers and Pipefitters Local Union No 441

Union purposes include negotiating fair wages, safe working conditions, job protection and education of its members. membership consists of journeymen and apprentices of the plumbing and pipefitting industry.

—
8
American Federation of Teachers University Council - Aft

To promote and defend the highest standards of education at the University of California and to make that education available to the people of California without respect to race, sex, age, religion, sexual orientation, gender identity,…

—
9
Plumbers & Pipefitters Local 421

The Union and its employees work for the benefit of its membership including negotiations of wages, benefits and working conditions.

—
10
Silicon Valley Contractors Association

Industry & safety promotion

—
11
California State Council of Service Employees

The council coordinated the efforts of affiliated local unions and assisted their organizations work, bettering the working conditions of their members.

—
12
United Association of Journeymen Plumbers & Steam Fitters of the United

To promote the welfare and working conditions of the union's members.

—
How this is measured
The grantee most central to the portfolio’s shape is South Bay Afl-Cio Labor Council; the most unlike its peers is East Bay Residents for Responsible Development. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
05the grantee network

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

Each grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2025, not grant rows in a single year, so this will not match the grant count on the cover. 17 of the 21 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

1
Load-bearing (≥25% of a budget)
1
Early backer (in before they grew)
16/17
Grantees still filing
6/17
Grew since first funded

Where the money sits, by cause and then by grantee

SF BLDG & CONST TRADES COUNCIL: $41,500 · OtherSF BLDG & CONST TRADES COUNCILSOUTH BAY AFL-CIO LABOR COUNCIL: $22,500 · OtherSOUTH BAY AFL-CIO LABOR COUNCILCONTRA COSTA BUILDING AND CONSTRUCTION TRADES COUNCIL: $15,348 · OtherCONTRA COSTA BUILDING AND CONSTRUCTION TRADES COUNC…CUPERTINO GETTING THINGS DONE: $10,700 · OtherCUPERTINO GETTING THINGS DONEEquitable Inclusive and Transparent California Inc: $10,000 · OtherEquitable Inclusive and Transparent California IncIndividual grant recipient: $10,000 · OtherIndividual grant recipientAMERICAN FEDERATION OF LABOR & ALAMEDA LABOR COUNCIL: $10,000 · OtherAMERICAN FEDERATION OF LABOR & ALAMEDA LABOR COUNCI…KEEP THE BAY AREA MOVING: $7,500 · OtherKEEP THE BAY AREA MOVINGUNITED ASSOCIATION OF JOURNEYMEN & APPRENTICES OF THE PLUMBING & PIPE: $6,000 · OtherUNION HISTORIES: $5,700 · OtherSPRINKLER FITTERS LOCAL 483 SCHOLARSHIP & COMMUNITY FUND: $30,000 · EducationSPRINKLER FITTERS LOCAL 483…CALIFORNIA STATE PIPE TRADES COUNCIL SCHOLARSHIP FUND: $16,500 · EducationCALIFORNIA STATE PIPE TRADE…CYPRESS MANDELA TRAINING CENTER: $12,500 · EducationCYPRESS MANDELA TRAINING CE…UNITED ASSOCIATION SCHOLARSHIP TRUST: $10,000 · EducationUNITED ASSOCIATION SCHOLARS…CONSTRUCTION TRADES WORKFORCE INITIATIVE: $6,000 · EducationCONSTRUCTION TRADES WORKFOR…EAST BAY RESIDENTS FOR RESPONSIBLE DEVELOPMENT: $50,000 · Community ImprovementEAST BAY RESIDENTS…NORTHERN CA CONSTRUCTION WORKERS UNITY ACTION CORPORATION: $7,500 · EmploymentAPPRENTICE & JOURNEYMEN TRG TRUST FUND: $6,500 · EmploymentUNION SPORTSMEN'S ALLIANCE: $10,000 · EnvironmentUA CHARITABLE FUND TRUST: $10,000 · Public Safety & DisasterSAN FRANCISCO PARKS ALLIANCE: $6,500 · Recreation & Sports
Other$139,248Education$75,000Community Improvement$50,000Employment$14,000Environment$10,000Public Safety & Disaster$10,000Recreation & Sports$6,500

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$1.0M$10Mgrantee revenue →↑ funder's share of their budgetEAST BAY RESIDENTS FOR RESPONSIBLE DEVELOPMENT: $50,000 over 1y, 50% of budgetSF BLDG & CONST TRADES COUNCIL: $41,500 over 4y, 2.1% of budgetSPRINKLER FITTERS LOCAL 483 SCHOLARSHIP & COMMUNITY FUND: $30,000 over 3y, 19% of budgetSOUTH BAY AFL-CIO LABOR COUNCIL: $22,500 over 1y, 2.7% of budgetCALIFORNIA STATE PIPE TRADES COUNCIL SCHOLARSHIP FUND: $16,500 over 2y, 7.5% of budgetCONTRA COSTA BUILDING AND CONSTRUCTION TRADES COUNCIL: $15,348 over 1y, 2.3% of budgetCYPRESS MANDELA TRAINING CENTER: $12,500 over 2y, 0.5% of budgetUNION SPORTSMEN'S ALLIANCE: $10,000 over 1y, 0.2% of budgetUA CHARITABLE FUND TRUST: $10,000 over 1y, 1.8% of budgetEquitable Inclusive and Transparent California Inc: $10,000 over 1y, 7.8% of budgetAMERICAN FEDERATION OF LABOR & ALAMEDA LABOR COUNCIL: $10,000 over 1y, 0.9% of budgetUNITED ASSOCIATION SCHOLARSHIP TRUST: $10,000 over 1y, 0.7% of budgetNORTHERN CA CONSTRUCTION WORKERS UNITY ACTION CORPORATION: $7,500 over 1y, 1.8% of budgetAPPRENTICE & JOURNEYMEN TRG TRUST FUND: $6,500 over 1y, 0.0% of budgetSAN FRANCISCO PARKS ALLIANCE: $6,500 over 1y, 0.0% of budgetCONSTRUCTION TRADES WORKFORCE INITIATIVE: $6,000 over 1y, 0.1% of budgetUNITED ASSOCIATION OF JOURNEYMEN & APPRENTICES OF THE PLUMBING & PIPE: $6,000 over 1y, 0.1% of budget
Grantee by grantee: a decade per organization, before and after funding

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

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

United Assoc of Journ…International Assn of…
United Assoc of Journeymen & PPF 342CA17.9× affinity6 shared granteesties to 1 of 1Hover any node to trace its alignments.Compare side by side →

Open a dossier: United Assoc of Journeymen & PPF 342 · International Assn of Smart No 104

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

How much its grantees rely on government

Each dot is one organization Sprinkler Fitters Local 483 funds: left to right is the share of its income from government, bottom to top the share from Sprinkler Fitters Local 483. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 20%3%13%28%50%funder's share of their income ↑0%25%50%75%100%share of the org’s income from government →
    no gov moneyreceives it· size = income
    2get no government money at all
    3report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    typical government reliance, FY20–25
    How this is measured
    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 a grant caused the public funding. Coverage is precision-first, a floor rather than 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 to 24 months.
    05Through Plinth

    Warm introductions · Powered by PlinthPlus

    How do I get to Sprinkler Fitters Local 483?

    Find your warmest path to Sprinkler Fitters Local 483 through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.

    Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.

    On method. Every financial figure here is read from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 21 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

    How this is measured
    Each figure carries one of six labels. Filed is what the funder reported on its 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.

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

    Source object · view filing

    Play a game based on Sprinkler Fitters Local 483’s filings →

    More from the funding graph

    The unnamed billions
    grants reported with no recipient in the public record
    The regranting layer
    51% of grant dollars land in the regranting layer
    The DAF merry-go-round
    $9.7B circulates between donor-advised funds
    The endowment market
    who holds foundation money, and what just moved
    The camps
    funders cluster by geography, not ideology
    By state
    where grant money is based, and what stays home