CASE FILE #170·THE FOSTER FILES·DRAFTING
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The Foster Files · Case #1

The Airbnb Play

AI Fact Sheet

How a $100,000 skate-park gift became 2.6 percent of a multi-million-dollar corporate campaign to kill a San Diego vacation-rental tax

Total money traced
≈ $3.9M
San Diego · public-record filings
Report #37 · The Foster Files (part 1) · condensed AI fact sheet. Chronological; every claim cited; inferences flagged. Source: report 37 report_blocks (87 blocks).
Built on public records
Documented fact — traces to a filed public record.
Inference — a reading of the record, not a legal finding.
Scope
≈ $3.9M

Airbnb, Inc.'s political and philanthropic spending in San Diego, 2016–2026, against the backdrop of San Diego's proposed Vacation Home Operation Tax, and one $100,000 behested payment routed through Councilmember Henry Foster III. Spending traced ≈ $3.9M to San Diego across five channels (a $2.5M PAC, a $1M state-party gift, a $425K "Community Fund," a $100K behested payment that overlaps the Community Fund, and a registered lobbyist), drawn from a stated $15M statewide California effort. The ≈$3.9M is the sum of the three distinct dollar channels — $2.5M + $1M + $425K — with the $100K behested payment counted inside the Community Fund (not added again) and the lobbyist channel carrying no separate dollar figure. VOSD-2025-10-20 SDUT-2026-01-28 MP-RESEARCH Nothing here is alleged to be illegal; behested payments are legal under California Government Code §82015. The point of the brief is the legal machinery.

Summary — what happened

In October 2025, San Diego Council President Sean Elo-Rivera proposed a Vacation Home Operation Tax of up to $5,000 per bedroom on roughly 10,600 properties — vacation homes and short-term rentals (STRs) — projected by KPBS reporting to raise up to $133 million a year (budget analysts later projected $17M–$100M). KPBS-2025-10-22 The Rules Committee advanced it 3-1 on October 22, 2025. KPBS-2025-10-22 Around the same period, Airbnb announced $15 million in California political spending with San Diego as a "top focus," and the company moved money into San Diego through multiple channels: $2.5 million into its Committee to Expand the Middle Class PAC, $1 million to the California Democratic Party, a $425,000 "Community Fund" split among five San Diego nonprofits, and a $100,000 behested payment — disclosed by Councilmember Henry Foster III on a Form 803 dated November 28, 2025 — for an Encanto skate plaza built through the San Diego Parks Foundation. The $100,000 to the Parks Foundation was one of the five Community Fund grants; it appears in the public record twice, as philanthropy in Airbnb's press release and as a behested payment on Foster's form. VOSD-2025-10-20 SDUT-2026-01-28 AIRBNB-FUND FORM-803 CF-PARKS

On January 28, 2026, the Rules Committee voted 3-2 to kill the tax after a four-hour hearing at which, per Voice of San Diego, roughly 45 people in matching light-blue shirts had been bused from Los Angeles and paid $25/hour through organizations linked to Airbnb. VOSD-2026-01-28 SDUT-2026-01-28 INS-2026-01-28 On February 23, 2026, Elo-Rivera reintroduced the tax with the entire STR component removed — about 5,000 empty second homes only, projected at $51 million a year. VOSD-2026-02-23 The Rules Committee advanced the revised version on February 25, and on March 3, 2026 the full City Council voted 8-1 to place the "empty homes tax" on the June 2026 ballot; Foster voted yes. SDUT-2026-02-25 SDUT-2026-03-03 The difference between the original ($133M) and revised ($51M) projections is roughly $82 million per year. Inferred: the sequence — Airbnb spends millions opposing the STR component, the STR component is removed, the members who killed the original approve the revision — is consistent with the spending achieving its objective; it is not proof of a single causal chain, and no ethics or legal body has found a violation.

Timeline

2016-01-26 DB

The lobbyist registers. Craig Benedetto, a principal at California Strategies LLC, is registered as Airbnb's San Diego lobbyist (registration documented from at least this date); he opposes STR-regulation measures on Airbnb's behalf.

2018-08 DB

Prior referendum spend. Airbnb contributes $100,000 via its Committee to Expand the Middle Class to "Stand for Jobs, Stop the Vacation Rental Ban," a 2018 referendum effort co-launched with Share San Diego; the committee raised nearly $1M total.

2025-04-10 INS-2025-04-10

Benedetto at committee. At a Land Use / committee hearing, Benedetto argues Airbnb's effect on rental costs is minimal and notes the city already collects local taxes from STRs.

2025-07-28 OBRAG-2025-07-28

YIMBY sponsorship. Airbnb is the "presenting sponsor" of the YIMBY Democrats of San Diego Summer Soiree (held July 31, 2025); filings indicate Airbnb has directed more than $1.4 million to housing-density groups nationally since 2022.

2025-10-06 KPBS-2025-10-06

The tax floated. Elo-Rivera floats a vacation-home tax at Politifest, targeting roughly 11,000 non-resident-occupied homes.

2025-10-20 VOSD-2025-10-20SDUT-2026-01-28DB

The $15M announcement and the PAC. Voice of San Diego reports Airbnb is committing $15 million to California political spending and naming San Diego a "top focus" of its 2026 strategy. Reported alongside this effort: $1 million to the California Democratic Party, and $2.5 million in Airbnb's Committee to Expand the Middle Class PAC aimed at the San Diego vacation-rental tax (PAC total per later SDUT reporting).

2025-10-22 KPBS-2025-10-22

Committee advances the tax. The Rules Committee advances the Vacation Home Operation Tax (up to $5,000/bedroom on ~10,600 properties) on a 3-1 vote. KPBS reports a possible $133 million/year; budget analysts later set a $17M–$100M range.

2025-10-30 FORM-803PARKS-FND

The behested request logged. Foster's office behests the $100,000 Airbnb payment to the San Diego Parks Foundation (Form 803 transaction date); a KUSI/Parks-Foundation segment frames it as a parks donation.

2025-11-17 AIRBNB-FUNDCF-PARKS

The Community Fund. Airbnb announces a $425,000 "Community Fund" split among five San Diego nonprofits — its largest San Diego donation by its own account — including the $100,000 San Diego Parks Foundation grant for the Encanto skate plaza.

2025-11-28 FORM-803

The Form 803. Foster discloses the $100,000 Airbnb behested payment to the San Diego Parks Foundation on a Form 803 filed with the city clerk. The disclosure is timely under §82015. (Same $100,000 as the Community Fund grant — one payment, two frameworks.)

2025-12-23 SDUT-2025-12-23

Behested-payment pattern noted. The Union-Tribune reports San Diego officials continue to solicit donations to favored charities — context for the Form 803 mechanism.

2026-01-08 OBRAG-2026-01-08

The skate-plaza meeting. Community members gather at the Encanto Recreation Center; the Parks Foundation has committed an additional $50,000; Airbnb's $100,000 is the anchor funding.

2026-01-28 VOSD-2026-01-28SDUT-2026-01-28INS-2026-01-28TOSD-2026-01-28

The tax is killed, 3-2. After a 4+ hour hearing with 100+ speakers, the Rules Committee votes 3-2 to kill the STR tax (Campillo, Lee, Moreno voting no on the kill per UT vote reporting). Per Voice of San Diego, ~45 people in matching light-blue shirts were bused from Los Angeles by Eagle Tours and paid $25/hour through Urbano Strategies and Save Our Services LA, organizations linked to Airbnb. Elo-Rivera calls the paid turnout "an insult to the democratic process." Foster is not on the Rules Committee and casts no vote.

2026-02-23 VOSD-2026-02-23

The tax returns, STR stripped. Elo-Rivera reintroduces the tax with the entire STR component removed: ~5,000 empty second homes only, projected at $51 million/year (vs. the original ~10,600 properties / up to $133M). Voice of San Diego notes Airbnb had "fought hard against" the original.

2026-02-25 SDUT-2026-02-25KPBS-2026-02-25

Revised version advances. The Rules Committee advances the revised, STR-exempt measure; KPBS and the UT confirm the vacation-rental exemption.

2026-03-03 SDUT-2026-03-03NBC7-2026-03-03CBS8-2026-03-03DB

Council places it on the ballot, 8-1. The full City Council votes 8-1 (Campillo the sole no) to place the empty-homes tax on the June 2026 ballot. Foster votes yes.

The five channels (one company, one period)

MathPolitics research maps Airbnb's San Diego spend (~$3.9M) across five legally distinct channels that look unrelated on any single filing. The ~$3.9M is the sum of Channel 1 ($2.5M) + Channel 2 ($1M) + Channel 3 ($425K); the $100,000 in Channel 4 is the same payment as the Parks Foundation grant inside Channel 3 — counted once — and Channel 5 (the lobbyist) carries no separate dollar figure.

  • Channel 1 — The PAC. $2.5 million into Airbnb's Committee to Expand the Middle Class, aimed at the San Diego vacation-rental tax. SDUT-2026-01-28 DB
  • Channel 2 — The party. $1 million to the California Democratic Party, part of the stated $15M statewide effort. VOSD-2025-10-20 DB
  • Channel 3 — The Community Fund. $425,000 to five San Diego nonprofits (City Heights CDC; Jewish Family Service of San Diego, Safe Parking; San Diego Parks Foundation, Encanto skate plaza; San Diego River Park Foundation, STEM; Sharia's Closet, Bag of Hope). AIRBNB-FUND DB
  • Channel 4 — The behested payment. $100,000 to the San Diego Parks Foundation, disclosed on Foster's Form 803 — the same transaction as the Channel 3 Parks grant. FORM-803 CF-PARKS
  • Channel 5 — The lobbyist. Craig Benedetto / California Strategies LLC, Airbnb's registered San Diego lobbyist since 2016. INS-2025-04-10 DB

The tax, before and after

Original proposalRevised proposal
IntroducedOct 2025 KPBS-2025-10-22Feb 23, 2026 VOSD-2026-02-23
Properties covered~10,600 (incl. STRs) KPBS-2025-10-22~5,000 empty second homes only VOSD-2026-02-23
STR componentIncluded KPBS-2025-10-22Removed VOSD-2026-02-23
Projected revenue/yearup to $133M (analyst range $17M–$100M) KPBS-2025-10-22~$51M VOSD-2026-02-23
Rules CommitteeAdvanced 3-1 (Oct 22), killed 3-2 (Jan 28) KPBS-2025-10-22 SDUT-2026-01-28Advanced (Feb 25) SDUT-2026-02-25
Full Council—8-1 to June 2026 ballot; Foster yes SDUT-2026-03-03

Inferred: the ~$82M/year gap between the projections is the revenue removed when the STR component was stripped after Airbnb's spending; the report does not claim that gap was caused solely by Airbnb (a characterization of the sequence, not a legal finding). VOSD-2026-02-23 KPBS-2025-10-22

Key players

  • Henry Foster III — San Diego councilmember; disclosed the $100,000 Airbnb behested payment on Form 803, was not on the Rules Committee that killed the STR tax, and voted yes on the revised empty-homes ballot measure. FORM-803 SDUT-2026-03-03
  • Sean Elo-Rivera — Council President; proposed the original tax, then reintroduced it with the STR component removed. KPBS-2025-10-22 VOSD-2026-02-23
  • Craig Benedetto — Principal, California Strategies LLC; Airbnb's registered San Diego lobbyist since 2016. INS-2025-04-10 DB
  • San Diego Parks Foundation — recipient of the $100,000 Airbnb payment (both the Community Fund grant and the Form 803 behested payment) for the Encanto skate plaza. AIRBNB-FUND FORM-803
  • Committee to Expand the Middle Class — Airbnb's PAC, funded with $2.5M aimed at the vacation-rental tax. SDUT-2026-01-28 DB

Caveats

Read this before quoting any figure
  • The ~$3.9M San Diego figure and the five-channel breakdown are a MathPolitics research synthesis aggregating distinct disclosure sources; it is the sum of the three distinct dollar channels ($2.5M + $1M + $425K), with the $100K behested payment counted once inside the Community Fund and the lobbyist channel carrying no dollar figure. The San Diego allocation of the broader $15M statewide spend was not broken out in public filings. MP-RESEARCH
  • The $100,000 behested payment (Channel 4) and the $100,000 Parks Foundation Community Fund grant (Channel 3) are the same transaction, counted once.
  • "Paid protestors" / "bused from Los Angeles" is as reported by Voice of San Diego (and corroborated by the Union-Tribune, inewsource, and Times of San Diego); it is reporting, not a legal finding. VOSD-2026-01-28 SDUT-2026-01-28 INS-2026-01-28 TOSD-2026-01-28
  • Behested payments are legal under California Government Code §82015. Foster's disclosure was timely; no ethics or legal body has found any violation by Foster or Airbnb.
  • The $82M/year revenue gap is the difference between two projections, each itself a range; it is not a finding that Airbnb's spending caused the revision.
  • Some channel amounts (the five Community Fund sub-grants beyond Parks) are not individually disclosed in public filings. DB

Reference key

Report #37 · The Foster Files (part 1) · condensed AI fact sheet. Chronological; every claim cited; inferences flagged. Source: report 37 report_blocks (87 blocks).

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