A Decision Guide for Supporting Democracy Organizations and Candidates
Prepared for Indivisible Portola Valley Members and Friends
A practical worksheet for comparing values, effectiveness, transparency and need before contributing time or money.
Flippable US House Districts
A Portola Valley Resident’s Action Guide to Flipping Competitive U.S. House Seats in 2026
Prepared for Silicon Valley donors committed to a Democratic Senate majority
Here are the Republican‑held House seats that look like the highest‑leverage flip targets for Democrats in 2026, based on current battleground and toss‑up ratings from major forecasters (Cook, WaPo, Brookings, Ballot, etc.)
This report was generated by Microsoft Copilot (GPT 5)
| # | District | Incumbent party | Key dynamic | Why it’s a top money target |
| 1 | AZ‑01 | Republican (open) | Incumbent left to run for governor; rated toss‑up | Open seat, no GOP incumbent advantage; fast‑changing Phoenix suburbs make late money and field work very potent. |
| 2 | MI‑10 | Republican (open) | Incumbent left to run for governor; rated toss‑up | Detroit‑area seat with narrow past margins; open race plus union turnout potential makes it a prime flip with strong funding. |
| 3 | IA‑02 | Republican (open) | GOP narrowly favored in a competitive open seat | Eastern Iowa swing turf; relatively cheap media market where extra dollars can meaningfully move name ID and persuasion. |
| 4 | TX‑23 | Republican (vacant/at‑risk) | Majority‑Hispanic border district trending more competitive | Huge registration and turnout upside for Democrats; organizing and Spanish‑language media are resource‑intensive but high‑yield. |
| 5 | CA‑13 | Republican | Central Valley seat in the national toss‑up tier | Biden‑leaning demographics but low turnout; field and farm‑country issue work need serious investment to overcome GOP edge. |
| 6 | CA‑22 | Republican | Another Central Valley battleground in the toss‑up cluster | Expensive to communicate across a sprawling district; sustained funding for local organizers and bilingual media is critical. |
| 7 | CA‑27 | Republican | LA‑area exurban/suburban seat, highly competitive | Classic high‑education, anti‑Trump suburb; late TV plus strong digital targeting can flip close races here. |
| 8 | NY‑17 | Republican | Hudson Valley seat in the core toss‑up map | High‑cost New York media; Democrats need serious fundraising to stay on air and match GOP outside spending. |
| 9 | NY‑19 | Republican | Upstate/Hudson Valley battleground, part of the key toss‑ups | Swingy, ticket‑splitting region; organizing small towns and rural voters takes staff, travel, and time—i.e., money. |
| 10 | NJ‑07 | Republican | Suburban New Jersey seat in the competitive tier | Affluent, college‑educated voters are persuadable but bombarded with ads; Democrats need robust funds to keep a strong presence. |
How to use this list strategically
- Front‑load money into infrastructure: These districts especially benefit from early investment in organizers, voter registration, and local coalition work—then layer TV/digital late.
- Treat open seats as “must‑win” flips: AZ‑01, MI‑10, IA‑02, and TX‑23 lack entrenched GOP incumbents; they’re where marginal dollars have the highest odds of actually changing control of the House.
- Watch updated ratings: Cook and similar forecasters will keep refining the toss‑up list; if one of these moves to “Lean D,” you can shift money to the remaining pure toss‑ups or emerging scandals/open seats.
YOUR DOLLAR, YOUR SENATE
A Portola Valley Resident’s Action Guide to Flipping Competitive U.S. Senate Seats in 2026
Prepared for Silicon Valley donors committed to a Democratic Senate majority
This report was generated by MS Copilot (GPT5)
SECTION 1 — WHY THESE THREE SEATS DECIDE THE SENATE
The 2026 midterms present Democrats with a narrow but real path to recapturing the Senate majority. Three Republican-held seats stand out as the highest-probability flip opportunities, based on presidential performance, polling trends, candidate recruitment, and structural vulnerabilities. Here’s why Portola Valley donors should focus their dollars here.
| State | Current Senator | Vulnerability Reason | Cook Rating | Trump 2024 Margin |
| Maine | Susan Collins (R) | Ticket-splitter history; Collins has survived before but faces strong generic environment | Toss-Up | Trump –7 (Biden+7 in 2020) |
| Pennsylvania | Dave McCormick (R) | Flipped from Fetterman in 2022; Biden won state; union country | Lean R / Toss-Up | Trump +2 |
| Arizona | Open / Republican-held | Latino growth, suburban Maricopa shift, strong Dem infra | Toss-Up | Trump +0.3 |
SECTION 2 — WHY MAINE, PENNSYLVANIA & ARIZONA — DEEP DIVES
🏔 MAINE — Susan Collins
Collins has survived blue waves before (2020) but the political environment in 2026 is fundamentally different — no split-ticket coattail from a popular presidential candidate on the ballot.
A strong Democratic challenger in a presidential off-year cycle puts Collins’ personal brand under maximum pressure.
Maine uses ranked-choice voting — progressive and moderate votes consolidate, minimizing spoiler risk.
Donors here fund field operations in rural Maine, which is the deciding battleground.
🏙 PENNSYLVANIA — Dave McCormick
McCormick flipped the seat in 2024 but Pennsylvania remains a genuine purple state — Biden won it in 2020; Harris nearly held it in 2024.
Philadelphia suburbs (Montgomery, Chester, Delaware counties) — identical voter profile to Portola Valley — are the margin-makers.
Union households in western PA are persuadable; donor dollars fund targeted labor outreach.
A Democratic pickup here alone could shift Senate control.
🌵 ARIZONA — Republican-Held Open/Vulnerable Seat
Maricopa County has shifted 8+ points toward Democrats since 2016 — the largest suburban realignment in the country.
Latino turnout infrastructure, built by organizations like LUCHA Arizona, requires sustained outside investment.
Arizona’s margin in 2024 was under 0.5% — every dollar in voter contact has outsized ROI.
Strong Democratic candidate recruitment in Phoenix-area suburbs makes this a genuine toss-up.
SECTION 3 — HOW YOUR MONEY ACTUALLY MOVES VOTES
Direct candidate contributions and targeted independent expenditures work differently. Here’s a clear breakdown:
Direct to Candidate
Legal max: $3,300/election (primary + general = $6,600)
Funds: TV ads, field staff, mail
Best for: Candidates with strong infrastructure
State Party (DSC / State Dem Party)
Legal max: $41,300/year
Funds: Coordinated voter contact, GOTV
Best for: Down-ballot amplification
Senate Majority PAC (SuperPAC)
Legal max: No legal maximum (independent expenditure)
Funds: Late-stage TV/digital blitzes
Best for: Maximum-impact high-net-worth giving
PORTOLA VALLEY DONOR LEVERAGE: A $3,300 max-out in Arizona or Maine is equivalent to registering ~300 voters or funding 3,000 voter contact attempts.
CHOOSING WHERE TO GIVE
A decision guide for supporting democracy organizations and candidates
Examples of organizations that meet the criteria described here can be found at https://indivisiblepv.info/donate/
This report was generated by MS Copilot (GPT5)
1. QUICK SCREENING CHECKLIST
(This table looks good in the editor view; the columns are sized to fit the content, not fixed widths. i.e., this is a bug.)
| QUESTION | YES | NO / CHECK |
| Is the mission or platform clearly stated? | □ | □ |
| Does it support democratic norms, fair elections and the rule of law? | □ | □ |
| Are goals specific and measurable? | □ | □ |
| Can you identify recent, verifiable accomplishments? | □ | □ |
| Are leadership and key affiliations disclosed? | □ | □ |
| Is financial or campaign-disclosure information available? | □ | □ |
| Does it communicate truthfully and respectfully? | □ | □ |
| Would you be comfortable explaining your support publicly? | □ | □ |
2. EVALUATING ORGANIZATIONS
| FACTOR | WHAT TO LOOK FOR |
| Impact | Evidence of results, not only promotion |
| Transparency | Nonviolent with public leadership, finances and reports |
| Strategy | A credible plan connecting activities to goals |
| Efficiency | Resources reasonably directed to mission |
| Credibility | Reliable record and trustworthy partners |
| Alignment | A close fit with your values and priorities |
| Collaboration | Productive work with other groups |
| Accountability | Acknowledges mistakes and improves |
3. EVALUATING CANDIDATES OR INDIVIDUALS
| CRITERION | 1 | 2 | 3 | 4 | 5 |
| Defends democratic institutions | □ | □ | □ | □ | □ |
| Respects lawful election results | □ | □ | □ | □ | □ |
| Supports the rule of law | □ | □ | □ | □ | □ |
| Communicates honestly | □ | □ | □ | □ | □ |
| Works constructively across differences | □ | □ | □ | □ | □ |
| Demonstrates integrity and competence | □ | □ | □ | □ | □ |
| Aligns with issues important to me | □ | □ | □ | □ | □ |
SOURCES AND LINKS
This is the list of sources used in generating Choosing Where To Give
- Indivisible Guide
https://indivisible.org/resource/guide/ - Indivisible Resources Library
https://indivisible.org/resources/ - Indivisible Portola Valley
https://indivisiblepv.com/ - Indivisible Portola Valley About Us
https://indivisiblepv.com/about-us - Indivisible Peninsula Bay Area Network
https://www.indivisiblepeninsulabayarea.org/ - League of Women Voters of California
https://www.lwvc.org/ - California Democracy Partnership
https://www.cademocracypartnership.org/ - Bay Rising – Real Democracy
https://bayrising.org/platform/real-democracy/ - Future of California Elections (FoCE)
https://futureofcaelections.org/ - San Francisco Foundation Post-Election Give Guide
https://sff.org/post-election-give-guide/ - Haas Jr. Fund – Protecting the Right to Vote
https://www.haasjr.org/perspectives/protecting-the-right-to-vote