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Partial researchResearch snapshot 2026-09-13. Evidence gaps remain; see Coverage for requirements.

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Office briefing

OSA — Municipal council

Tracked current office. Identifiers stay separate from display names.

Costa Rica · OSA / PUNTARENAS · municipal · Municipal councilCR-C-PUNTARENAS-OSA

Read the complete original research briefing

TSE vote books joined to official elected-member declarations where geographic and total checks reconcile. Substitutes retained separately. Subsequent replacements and current officeholder status require review.

1. What office, where, and when is the next election?

Geography
OSA / PUNTARENAS
Next election
2028-02-06
Linked upcoming event
next-4db6b8777a0f2cc0012d89eb
Registry qualification
Unknown

2. How certain is that date?

2028-02-06 is expected (not formally called). Day precision. A date without a formal call is not confirmed.

3. Who won earlier selected elections?

2024-02-04

Ordinary · Legal certification not established · list votes

  • NUEVA REPÚBLICA25.3%
  • LIBERAL PROGRESISTA24.4%
  • ORGANIZACIÓN SOCIAL ACTIVA22.5%
  • UNIDAD SOCIAL CRISTIANA8.3%
  • LIBERACIÓN NACIONAL8.2%
  • AQUÍ COSTA RICA MANDA5.9%
  • UNIDOS PODEMOS5.3%
Results for event-3ab881e8bbea8d619ac183d6
Label / candidateParty codeVotesShareSeatsStatus
NUEVA REPÚBLICAcosta-rica/Sc1df243471/20242,67425.3%2Recorded
LIBERAL PROGRESISTAcosta-rica/Sc1df243471/20242,58224.4%2Recorded
ORGANIZACIÓN SOCIAL ACTIVAcosta-rica/Sc1df243471/20242,38222.5%1Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/Sc1df243471/20248808.3%0 (recorded zero)Recorded
LIBERACIÓN NACIONALcosta-rica/Sc1df243471/20248718.2%0 (recorded zero)Recorded
AQUÍ COSTA RICA MANDAcosta-rica/Sc1df243471/20246255.9%0 (recorded zero)Recorded
UNIDOS PODEMOScosta-rica/Sc1df243471/20245575.3%0 (recorded zero)Recorded

2020-02-02

Ordinary · Legal certification not established · list votes

  • LIBERACIÓN NACIONAL37.9%
  • REPUBLICANO SOCIAL CRISTIANO21.7%
  • ALIANZA DEMÓCRATA CRISTIANA20.6%
  • NUEVA GENERACIÓN6.9%
  • NUEVA REPUBLICA5.4%
  • UNIDAD SOCIAL CRISTIANA2.7%
  • INTEGRACIÓN NACIONAL2.7%
  • RESTAURACIÓN NACIONAL2.2%
Results for event-8e73262366048b80517ca531
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/Sfa91292290/20203,85537.9%2Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/Sfa91292290/20202,20921.7%2Recorded
ALIANZA DEMÓCRATA CRISTIANAcosta-rica/Sfa91292290/20202,09620.6%1Recorded
NUEVA GENERACIÓNcosta-rica/Sfa91292290/20207026.9%0 (recorded zero)Recorded
NUEVA REPUBLICAcosta-rica/Sfa91292290/20205455.4%0 (recorded zero)Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/Sfa91292290/20202742.7%0 (recorded zero)Recorded
INTEGRACIÓN NACIONALcosta-rica/Sfa91292290/20202712.7%0 (recorded zero)Recorded
RESTAURACIÓN NACIONALcosta-rica/Sfa91292290/20202192.2%0 (recorded zero)Recorded

2016-02-07

Ordinary · Legal certification not established · list votes

  • LIBERACIÓN NACIONAL27.7%
  • UNIDAD SOCIAL CRISTIANA20.6%
  • ACCIÓN CIUDADANA14.9%
  • VIVA PUNTARENAS10.8%
  • INTEGRACIÓN NACIONAL9.7%
  • RENOVACIÓN COSTARRICENSE9.2%
  • FRENTE AMPLIO4.2%
  • REPUBLICANO SOCIAL CRISTIANO2.3%
  • MOVIMIENTO LIBERTARIO0.5%
Results for event-1df58acedb2c0ef338746d11
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/S79669f3e5d/20162,52527.7%2Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/S79669f3e5d/20161,87620.6%1Recorded
ACCIÓN CIUDADANAcosta-rica/S79669f3e5d/20161,35414.9%1Recorded
VIVA PUNTARENAScosta-rica/S79669f3e5d/201698510.8%1Recorded
INTEGRACIÓN NACIONALcosta-rica/S79669f3e5d/20168839.7%0 (recorded zero)Recorded
RENOVACIÓN COSTARRICENSEcosta-rica/S79669f3e5d/20168429.2%0 (recorded zero)Recorded
FRENTE AMPLIOcosta-rica/S79669f3e5d/20163854.2%0 (recorded zero)Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/S79669f3e5d/20162082.3%0 (recorded zero)Recorded
MOVIMIENTO LIBERTARIOcosta-rica/S79669f3e5d/2016500.5%0 (recorded zero)Recorded

4. Competition and volatility

competition index

Provisional imported-series CI

69.550–100 historical closeness

Actual-event and/or comparability review incomplete

Comparison status: Provisional imported-series comparison; actual-event review open

Method ci.weighted-gap.v1. Inputs: latest_gap=0.870305552927821, oldest_gap=7.125603864734298, previous_gap=16.183266148854585

pedersen volatility

Provisional volatility

56.2percentage points

Grouped Pedersen lower bound (percentage points). Twelve explicitly named standalone national parties; accent variants normalized. Local parties and coalitions remain Other. No alliance votes are attributed to individual member parties. An interval is withheld if either election has no list mapped to an explicit named group. This is aggregate share change, not individual voter switching. Event review: Actual-event and/or comparability review incomplete

Comparison status: Latest interval

Method pedersen.grouped.v1. Inputs: groups=["PLN","PUSC","PAC","Frente Amplio","PRN","Nueva Republica","PML","PIN","PASE","PRSC","PLP","PPSD","Other"], interval=Latest interval, vectors=[[8.239523223914484,8.324661810613943,0,0,0,25.29562009270646,0,0,0,0,24.42531453977864,0,33.714880332986475],[37.90187788811326,2.6939337331629143,0,0,2.1531806115426213,5.358371841510176,0,2.664438108347262,0,21.718611739258677,0,0,27.509586078065087],[27.72288098375055,20.59727711901625,14.866051822573562,4.2270531400966185,0,0,0.5489679402722881,9.694773825208609,0,2.2837066315327186,0,0,20.059288537549406]]

pedersen volatility

Provisional volatility

44.58percentage points

Grouped Pedersen lower bound (percentage points). Twelve explicitly named standalone national parties; accent variants normalized. Local parties and coalitions remain Other. No alliance votes are attributed to individual member parties. An interval is withheld if either election has no list mapped to an explicit named group. This is aggregate share change, not individual voter switching. Event review: Actual-event and/or comparability review incomplete

Comparison status: Previous interval

Method pedersen.grouped.v1. Inputs: groups=["PLN","PUSC","PAC","Frente Amplio","PRN","Nueva Republica","PML","PIN","PASE","PRSC","PLP","PPSD","Other"], interval=Previous interval, vectors=[[8.239523223914484,8.324661810613943,0,0,0,25.29562009270646,0,0,0,0,24.42531453977864,0,33.714880332986475],[37.90187788811326,2.6939337331629143,0,0,2.1531806115426213,5.358371841510176,0,2.664438108347262,0,21.718611739258677,0,0,27.509586078065087],[27.72288098375055,20.59727711901625,14.866051822573562,4.2270531400966185,0,0,0.5489679402722881,9.694773825208609,0,2.2837066315327186,0,0,20.059288537549406]]

pedersen volatility

Provisional volatility

50.39percentage points

Grouped Pedersen lower bound (percentage points). Twelve explicitly named standalone national parties; accent variants normalized. Local parties and coalitions remain Other. No alliance votes are attributed to individual member parties. An interval is withheld if either election has no list mapped to an explicit named group. This is aggregate share change, not individual voter switching. Event review: Actual-event and/or comparability review incomplete

Comparison status: Both intervals mean

Method pedersen.grouped.v1. Inputs: groups=["PLN","PUSC","PAC","Frente Amplio","PRN","Nueva Republica","PML","PIN","PASE","PRSC","PLP","PPSD","Other"], interval=Both intervals mean, vectors=[[8.239523223914484,8.324661810613943,0,0,0,25.29562009270646,0,0,0,0,24.42531453977864,0,33.714880332986475],[37.90187788811326,2.6939337331629143,0,0,2.1531806115426213,5.358371841510176,0,2.664438108347262,0,21.718611739258677,0,0,27.509586078065087],[27.72288098375055,20.59727711901625,14.866051822573562,4.2270531400966185,0,0,0.5489679402722881,9.694773825208609,0,2.2837066315327186,0,0,20.059288537549406]]

Source-reported control: Unverified. Current tenure requires separate dated evidence.

5. Officeholder evidence

Dated roster observations are not automatically current tenure. The source current-office flag means this office is tracked now, not that the last winner still holds it.

Officeholder observations
PersonRoleAs ofAffiliationPrincipal?
DONALD CORTES PORRASREGIDURÍAS PROPIETARIAS2024NUEVA REPÚBLICAprincipal
GRETEL VANESSA MASIS ARIASREGIDURÍAS PROPIETARIAS2024NUEVA REPÚBLICAprincipal
JUAN CARLOS ANCHIA ANGULOREGIDURÍAS PROPIETARIAS2024LIBERAL PROGRESISTAprincipal
KATERINE FABIOLA SOLIS PEREZREGIDURÍAS PROPIETARIAS2024LIBERAL PROGRESISTAprincipal
JORGE RODRIGO LI WONGREGIDURÍAS PROPIETARIAS2024ORGANIZACIÓN SOCIAL ACTIVAprincipal
ADRIAN PEREZ RETANAREGIDURÍAS SUPLENTES2024NUEVA REPÚBLICAsubstitute
MIRIAM QUESADA FERNANDEZREGIDURÍAS SUPLENTES2024NUEVA REPÚBLICAsubstitute
ELMER UVA BEITAREGIDURÍAS SUPLENTES2024LIBERAL PROGRESISTAsubstitute
DELKY JOHANNA MAROTO CHAVARRIAREGIDURÍAS SUPLENTES2024LIBERAL PROGRESISTAsubstitute
MICHAEL ARTURO VALVERDE FONSECAREGIDURÍAS SUPLENTES2024ORGANIZACIÓN SOCIAL ACTIVAsubstitute
JOSE JOAQUIN PORRAS JIMENEZREGIDORES(AS) PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
SONIA SEGURA MATAMOROSREGIDORES(AS) PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
ALFREDO SOTO ELIZONDOREGIDORES(AS) PROPIETARIOS(AS)2020REPUBLICANO SOCIAL CRISTIANOprincipal
DAMARIS GUADAMUZ CASTROREGIDORES(AS) PROPIETARIOS(AS)2020REPUBLICANO SOCIAL CRISTIANOprincipal
TAIRIS CHAVARRIA VARGASREGIDORES(AS) PROPIETARIOS(AS)2020ALIANZA DEMÓCRATA CRISTIANAprincipal
ROCIO SOTO VARELAREGIDORES(AS) SUPLENTES2020LIBERACIÓN NACIONALsubstitute
LORENZO JOSE IBARRA ROSALESREGIDORES(AS) SUPLENTES2020LIBERACIÓN NACIONALsubstitute
YANSI DEL CARMEN AGUIRRE SEVILLAREGIDORES(AS) SUPLENTES2020REPUBLICANO SOCIAL CRISTIANOsubstitute
JOSE ANDREY ZUÑIGA SAENZREGIDORES(AS) SUPLENTES2020REPUBLICANO SOCIAL CRISTIANOsubstitute
ROY VARGAS ZAMORAREGIDORES(AS) SUPLENTES2020ALIANZA DEMÓCRATA CRISTIANAsubstitute
YAMILETH VIACHICA CHAVARRIAREGIDORES(AS) PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
YERMI ESQUIVEL RODRIGUEZREGIDORES(AS) PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
JOSE JOAQUIN PORRAS JIMENEZREGIDORES(AS) PROPIETARIOS(AS)2016UNIDAD SOCIAL CRISTIANAprincipal
MARITZA JIMENEZ CALVOREGIDORES(AS) PROPIETARIOS(AS)2016ACCIÓN CIUDADANAprincipal
ROBUENA FIGUEROA ROSALESREGIDORES(AS) PROPIETARIOS(AS)2016VIVA PUNTARENASprincipal
ADRIANA ACUÑA HIDALGOREGIDORES(AS) SUPLENTES2016LIBERACIÓN NACIONALsubstitute
LUIS SIBAJA MONGEREGIDORES(AS) SUPLENTES2016LIBERACIÓN NACIONALsubstitute
CRISTOBAL ATENCIO BERMUDEZREGIDORES(AS) SUPLENTES2016UNIDAD SOCIAL CRISTIANAsubstitute
JOSE ANGEL DIAZ MATARRITAREGIDORES(AS) SUPLENTES2016ACCIÓN CIUDADANAsubstitute
JOHAN CARLOS MORALES SALASREGIDORES(AS) SUPLENTES2016VIVA PUNTARENASsubstitute

6. Polling context

No local poll supplied.

7. Unresolved issues and sources

  • other · open

    Published province heading correction: {"issue": "Published province heading correction", "year": 2020, "area": "Heredia", "source_id": "S41377daad8", "resolution": "The amendment corrects CARTAGO to HEREDIA in the second table heading. It changes no votes, winners or seats; the original declaration is joined to Heredia."}

Sources

Cite this record

Center for Digital Democracy. “OSA — Municipal council.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/CR-C-PUNTARENAS-OSA. Sources: costa-rica--url-ae6cfb21525f974d8912a00e, costa-rica--url-9b0bf8940eb485b811da317e, costa-rica--url-f8a1e09c9e89a7e5e9c55114, costa-rica--Sc1df243471, costa-rica--S66a5b979c3, costa-rica--Sfa91292290, costa-rica--S151bb3bdbd, costa-rica--S79669f3e5d, costa-rica--Sc1484e30b5.