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Municipality

Irosin

Irosin, Sorsogon, Region V (Bicol Region). 1st income class. Population 59,540 (2024 POPCEN).

Data-quality note: 1 DPWH project linked to Irosin has no coordinates published by DPWH, so it is not on the map and cannot be checked with satellite images.

PSGC 0506209000 · Source: PSA, PSGC 3Q 2026 Publication Datafile

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Public records linked to Irosin

Counts include this municipality and every LGU under it. Each record carries how it was linked and a confidence level; figures are as recorded by the source and exclude single amounts of ₱10B+ held for verification. They are not findings.

DPWH infrastructure projects

Contracts on the DPWH Transparency portal, placed by coordinates first. Source: DPWH Transparency portal

137 records · ₱7,193,306,772.72

2 placed at Irosin level itself; the rest in LGUs under it.

  1. Construction of Cadac-An River Flood Mitigation Structure, Barangay Gumapia, Irosin, Sorsogon₱188,204,271.80 · 2025 · medium confidence (project coordinates inside the barangay boundary)
  2. Organizational Outcome 1 : Ensure Safe and Reliable National Road System - Bridge Program - Construction of New Bridges - Irosin Viaduct Along Daang Maharlika, Salvacion, Irosin, Salvacion, Irosin, Sorsogon (2nd Legislative District)₱187,130,520.59 · 2025 · medium confidence (project coordinates inside the barangay boundary)
  3. Construction/Improvement/Rehabilitation of Cadac-An River Flood Mitigation Structure, Sta. 23+752.00 - Sta. 24+575.57 Left Side, Sta. 23+806.50 - Sta. 24+357.50 Right Side, Irosin, Sorsogon₱174,378,350.70 · 2022 · medium confidence (project coordinates inside the barangay boundary)
  4. Organizational Outcome 2: Protect Lives and Properties Against Major Floods-Flood Management Program-Construction/Maintenance of Flood Mitigation Structures and Drainage Systems-Construction of Flood Mitigation Structure, Barangay Batang, Irosin, Sorsogon₱158,307,468.03 · 2024 · medium confidence (project coordinates inside the barangay boundary)
  5. Organizational Outcome 2: Protect Lives and Properties Against Major Floods-Flood Management Program-Construction/Maintenance of Flood Mitigation Structures and Drainage Systems-Construction of Flood Mitigation Structure Along Gabao River, Barangay Gabao₱158,307,142.13 · 2024 · medium confidence (project coordinates inside the barangay boundary)
  6. Organizational Outcome 2: Protect Lives and Properties Against Major Floods-Flood Management Program-Construction/Maintenance of Flood Mitigation Structures and Drainage Systems-Construction of Flood Mitigation Structure, Barangay Buenavista, Irosin, Sors₱148,995,464.59 · 2024 · medium confidence (project coordinates inside the barangay boundary)

How linked: 135 by project coordinates inside the barangay boundary; 1 by project title names the place; 1 by project coordinates inside the city/municipality boundary.

Contracts this LGU awarded (PhilGEPS)

PhilGEPS awards where the procuring entity is this LGU. Source: PhilGEPS award notices

1 record · ₱758,125,098.05

  1. Municipality of Irosin, Sorsogon₱758,125,098.05 · high confidence (the LGU itself is the buyer)

How linked: 1 by the LGU itself is the buyer.

PhilGEPS awards delivered here (all agencies)

Awards by any agency whose area of delivery is this province. PhilGEPS records delivery areas at province level only. Source: PhilGEPS award notices

Not yet linked to Irosin itself. This shows the province figure for Sorsogon.

25,488 records · ₱130,924,711,024.93

25,076 placed at Sorsogon level itself; the rest in LGUs under it.

  1. Sorsogon₱130,924,711,024.93 · 25,076 awards · high confidence (area of delivery is this province only)
  2. Albay, Sorsogon₱479,979,066.77 · 15 awards · low confidence (area of delivery lists several provinces)
  3. Albay, Camarines Sur, Sorsogon₱218,592,208.25 · 4 awards · low confidence (area of delivery lists several provinces)
  4. Albay, Camarines Norte, Camarines Sur, Catanduanes, Masbate, Sorsogon₱176,181,300.57 · 161 awards · low confidence (area of delivery lists several provinces)
  5. Albay, Camarines Sur, Masbate, Sorsogon₱105,154,378.00 · 31 awards · low confidence (area of delivery lists several provinces)
  6. Catanduanes, Sorsogon₱96,762,909.05 · 2 awards · low confidence (area of delivery lists several provinces)

How linked: 25,076 by area of delivery is this province only; 412 by area of delivery lists several provinces.

Local Government Support Fund releases

DBM LGSF project releases by province, city/municipality and barangay. Source: DBM COMPASS

32 records · ₱130,500,000.00

5 placed at Irosin level itself; the rest in LGUs under it.

  1. Construction of Multipurpose Building in Barangay Tabon- Tabon, Irosin, Sorsogon₱9,000,000.00 · 2025 · high confidence (location columns in the DBM release)
  2. Assistance to Indigent Individuals Or Families - Food Assistance/Rice Distribution Project₱5,000,000.00 · 2026 · high confidence (location columns in the DBM release)
  3. Construction of Multipurpose Building in Barangay Gabao, Irosin, Sorsogon₱5,000,000.00 · 2026 · high confidence (location columns in the DBM release)
  4. Assistance to Indigent Individuals Or Families - Food Assistance/Rice Distribution Project₱4,000,000.00 · 2026 · high confidence (location columns in the DBM release)
  5. Construction of Health Station₱4,000,000.00 · 2022 · high confidence (location columns in the DBM release)
  6. Construction of Level Ii Water Supply System₱4,000,000.00 · 2022 · high confidence (location columns in the DBM release)

How linked: 32 by location columns in the DBM release.

GAA budget lines naming this place

General Appropriations Act lines whose text ends in this city/municipality and province. Source: DBM General Appropriations Act

138 records · ₱6,100,694,000.00

77 placed at Irosin level itself; the rest in LGUs under it.

  1. Construction of Cadac-An River Flood Mitigation Structure, Barangay Gumapia, Irosin, Sorsogon₱200,000,000.00 · 2025 · medium confidence (GAA line text names the place)
  2. Construction/Improvement/Rehabilitation of Cadac-An River Flood Mitigation Structure, Sta. 23+817.2 - Sta. 24+638 Left Side, Sta. 23+817.2 - Sta. 24+655 Right Side, Irosin, Sorsogon₱180,849,000.00 · 2022 · high confidence (GAA line text names the place)
  3. Construction of Flood Mitigation Structure Along Gabao River, Barangay Gabao and Barangay Tongdol, Irosin, Sorsogon₱170,000,000.00 · 2024 · high confidence (GAA line text names the place)
  4. Construction of Flood Mitigation Structure, Barangay Batang, Irosin, Sorsogon₱170,000,000.00 · 2024 · medium confidence (GAA line text names the place)
  5. Construction of Flood Mitigation Structure, Barangay Buenavista, Irosin, Sorsogon₱160,000,000.00 · 2024 · medium confidence (GAA line text names the place)
  6. Construction of Flood Mitigation Structure, Cadac-An River, Barangay Monbon and Barangay Tinampo, Irosin, Sorsogon₱153,000,000.00 · 2025 · high confidence (GAA line text names the place)

How linked: 138 by GAA line text names the place.

COA annual audit reports

Not yet linked: the COA reports loaded so far cover national agencies only. LGU audit reports are published at coa.gov.ph.

Published anomaly flags

Patterns in the linked records that reviewers checked and published. A flag is a question worth asking, not a finding of wrongdoing.

See all 7 published flags

Contractors on linked DPWH projects

All 53 contractors on DPWH projects linked to Irosin and the LGUs under it. Click a column to sort.

Centerways Const And Development INC12₱1,029,072,590.413
Welex Const INC Formerly Welex C14₱722,223,723.741
Muntopar Builders CORP10₱683,516,196.910
Alro Const3₱465,610,074.750
Makapa CORP3₱434,928,136.161
Tr Const CORP For: Tr Const3₱340,830,163.570
Aremar Const CORP5₱328,599,215.400
Legazpi Premium Development CORP5₱289,145,756.330
Steven Const6₱230,275,954.430
Hi-Tone Const & Development CORP Formerly / Centerways Const And Development INC2₱228,115,557.100
C T Leoncio Const5₱214,367,136.750
Hi-Tone Const & Development CORP Formerly2₱192,997,294.831
Steven Const & Supply3₱188,756,407.150
Katha Builders1₱187,130,520.590
Kyla Const Supply5₱165,808,316.770
Rmh Const8₱157,883,181.970
Ctc Builder And Supplies INC For Ctc Bu2₱126,257,641.750
Wearr Ent3₱111,442,051.500
Rmh Const & Supply / Steven Const & Supply1₱98,963,028.110
Ramarplus INC Formerly Ramar Ent1₱93,119,979.681
Roda Const3₱93,054,090.230
Alnino Const2₱86,896,512.810
M G Salazar Const CORP For M G Salazar1₱67,549,999.990
B Vicencio Builders Bvb INC Formerly:B Vicencio Const2₱65,960,471.620
Cheerel Const3₱56,445,545.300

Costs as recorded by DPWH; single amounts of ₱10B+ are held for verification and excluded. Flags count published automated anomalies on this contractor's projects or awards here, plus flags on the contractor itself; they are not findings.

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Barangays in Irosin (28)

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