Municipality
Prieto Diaz
Prieto Diaz, Sorsogon, Region V (Bicol Region). 4th income class. Population 23,424 (2024 POPCEN).
PSGC 0506214000 · Source: PSA, PSGC 3Q 2026 Publication Datafile
Public records linked to Prieto Diaz
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
47 records · ₱1,420,467,388.79
- Construction of Road, Barangay San Antonio to Barangay San Rafael, Prieto Diaz, Sorsogon Phase 2, Pr₱142,578,750.00 · 2025 · medium confidence (project coordinates inside the barangay boundary)
- Const of Mp Building (Covered Court) at Brgy. Roxas, Padre Diaz, Brgy. Palale, Bulan, Brgy. Payawin,₱142,065,000.00 · 2025 · medium confidence (project coordinates inside the barangay boundary)
- Const of Calao River Flood Mitigation Structures, Brgy. Calao and Brgy. San Fernando, Pto. Diaz, Sor₱111,714,422.43 · 2024 · medium confidence (project coordinates inside the barangay boundary)
- Const. of Flood Structures Along Brgy. Calao, Prieto Diaz, Sorsogon₱95,833,078.98 · 2024 · medium confidence (project coordinates inside the barangay boundary)
- Construction of Poblacion Road Network at Prieto Diaz and Juban, Sorsogon (Cluster Xix) Prieto Diaz,₱89,098,713.26 · 2023 · medium confidence (project coordinates inside the barangay boundary)
- Construction of Road, Barangay San Antonio to Barangay San Rafael, Prieto Diaz, Sorsogon, Phase 1₱74,884,000.00 · 2025 · medium confidence (project coordinates inside the barangay boundary)
How linked: 47 by project coordinates inside the barangay boundary.
Contracts this LGU awarded (PhilGEPS)
PhilGEPS awards where the procuring entity is this LGU. Source: PhilGEPS award notices
18 records · ₱467,966,501.71
1 placed at Prieto Diaz level itself; the rest in LGUs under it.
- Municipality of Prieto Diaz, Sorsogon₱421,049,745.09 · high confidence (the LGU itself is the buyer)
- Barangay San Isidro, Prieto Diaz, Sorsogon₱4,744,164.19 · high confidence (the LGU itself is the buyer)
- Barangay San Juan, Prieto Diaz, Sorsogon₱3,899,007.15 · high confidence (the LGU itself is the buyer)
- Barangay Carayat, Prieto Diaz, Sorsogon₱3,779,660.62 · high confidence (the LGU itself is the buyer)
- Barangay Brillante, Prieto Diaz, Sorsogon₱3,562,957.94 · high confidence (the LGU itself is the buyer)
- Barangay Quidolog, Prieto Diaz, Sorsogon₱3,438,995.97 · high confidence (the LGU itself is the buyer)
How linked: 18 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 Prieto Diaz 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.
- Sorsogon₱130,924,711,024.93 · 25,076 awards · high confidence (area of delivery is this province only)
- Albay, Sorsogon₱479,979,066.77 · 15 awards · low confidence (area of delivery lists several provinces)
- Albay, Camarines Sur, Sorsogon₱218,592,208.25 · 4 awards · low confidence (area of delivery lists several provinces)
- Albay, Camarines Norte, Camarines Sur, Catanduanes, Masbate, Sorsogon₱176,181,300.57 · 161 awards · low confidence (area of delivery lists several provinces)
- Albay, Camarines Sur, Masbate, Sorsogon₱105,154,378.00 · 31 awards · low confidence (area of delivery lists several provinces)
- 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
31 records · ₱148,978,269.53
5 placed at Prieto Diaz level itself; the rest in LGUs under it.
- Lgsf_gef₱30,000,000.00 · 2026 · high confidence (location columns in the DBM release)
- Lgsf_gef₱6,763,420.00 · 2022 · high confidence (location columns in the DBM release)
- Construction of Health Station₱6,606,882.17 · 2023 · high confidence (location columns in the DBM release)
- Construction of Health Station₱6,606,882.17 · 2023 · high confidence (location columns in the DBM release)
- Rehabilitation of Farm-to-Market Road₱6,606,882.17 · 2023 · high confidence (location columns in the DBM release)
- Concreting of Farm-to-Market Road₱6,606,882.17 · 2023 · high confidence (location columns in the DBM release)
How linked: 31 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
68 records · ₱1,174,296,000.00
30 placed at Prieto Diaz level itself; the rest in LGUs under it.
- Construction of Calao River Flood Mitigation Structures, Barangay Calao and Barangay San Fernando, Prieto Diaz, Sorsogon₱120,000,000.00 · 2024 · high confidence (GAA line text names the place)
- Construction of Diamante- Perlas Coastal Road and Shore Protection, Phase Ii, Prieto Diaz, Sorsogon₱100,000,000.00 · 2021 · high confidence (GAA line text names the place)
- Construction of Diamante - Perlas Coastal Road and Shore Protection, Prieto Diaz, Sorsogon₱100,000,000.00 · 2018 · high confidence (GAA line text names the place)
- Construction of Flood Mitigation Structures Along Brgy. Calao, Prieto Diaz, Sorsogon₱100,000,000.00 · 2024 · medium confidence (GAA line text names the place)
- Construction of Flood Control Structure Along Gogon-Tigkigawan River (Sta. 0+000 - Sta. 0+300), Prieto Diaz, Sorsogon₱50,000,000.00 · 2018 · high confidence (GAA line text names the place)
- Construction of Poblacion Road Network, Prieto Diaz, Sorsogon₱50,000,000.00 · 2023 · high confidence (GAA line text names the place)
How linked: 68 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.
- Contractor Concentration (Flood Control)Centerways Const and Development IncContractor: Centerways Const and Development Inc
- Contractor Concentration (Flood Control)Centerways Const and Development IncContractor: Centerways Const and Development Inc
- High Concurrent Workload for One ContractorCenterways Const and Development IncContractor: Centerways Const and Development Inc
Contractors on linked DPWH projects
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All 21 contractors on DPWH projects linked to Prieto Diaz and the LGUs under it. Click a column to sort.
| Muntopar Builders CORP | 11 | ₱815,085,086.99 | 0 |
| Welex Const INC Formerly Welex C | 5 | ₱185,330,076.81 | 0 |
| Alhadrax Const And Supply | 8 | ₱77,431,942.27 | 0 |
| Centerways Const And Development INC | 2 | ₱66,534,163.23 | 3 |
| Alpha Ryder Const | 1 | ₱32,594,684.00 | 0 |
| M J Apin Builders | 1 | ₱29,400,000.00 | 0 |
| Alphard Primecon Const | 1 | ₱29,191,813.94 | 0 |
| Sulvir Engineering And Const | 1 | ₱24,756,507.62 | 0 |
| Mkv Builders And Const Supply INC | 1 | ₱21,262,675.97 | 0 |
| Ac8 Builders | 1 | ₱19,299,530.96 | 0 |
| Double R Const And Supply | 2 | ₱18,665,372.71 | 0 |
| Qdc Const And Supply | 3 | ₱18,613,455.86 | 0 |
| B Vicencio Builders Bvb INC Formerly:B Vicencio Const | 1 | ₱16,529,400.51 | 0 |
| Elpos Const And Supply | 1 | ₱14,142,255.62 | 0 |
| Gdbs Builders And Ent | 1 | ₱12,418,786.11 | 0 |
| Vinmor Const And Supply | 1 | ₱9,751,494.68 | 0 |
| N Builders | 1 | ₱9,553,849.30 | 0 |
| Rge Const | 2 | ₱9,472,366.69 | 0 |
| Kyla Const Supply | 1 | ₱4,899,788.04 | 0 |
| Magda Const And Supply INC | 1 | ₱3,603,667.48 | 0 |
| Rmh Const | 1 | ₱1,930,470.00 | 0 |
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.
Taxes collected by the BIR in Sorsogon
BIR publishes collections by province and city, not by town or barangay. Prieto Diaz is in Sorsogon.
₱1.41 billion
Collected, January-August 2026 (tentative BIR figures, ₱ million in the source)
These are taxes collected by national BIR offices located here, including from businesses headquartered here. They are not the LGU’s own income. Source: BIR Revenue Accounting Division, Tentative internal revenue collections by region and province, January-August 2026 (BIR collection statistics). All provinces and cities
Proposed for 2027: DPWH projects
0 line items worth ₱0 in the FY2027 National Expenditure Program (FY2026 NEP: 5 worth ₱107.2M). Counted from lines that name Prieto Diaz.
Source: DBM Details of DPWH Programs/Projects, NEP FY2027 (scanned PDF read by OCR; page numbers given). Search all lines

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Barangays in Prieto Diaz (23)
Download this list with counts (CSV) · All bulk data
- Brillante · 2 DPWH projects
- Bulawan
- Calao · 5 DPWH projects
- Carayat · 2 DPWH projects
- Diamante · 1 DPWH projects
- Gogon
- Lupi · 4 DPWH projects
- Maningcay De Oro · 4 DPWH projects
- Manlabong · 4 DPWH projects
- Perlas · 2 DPWH projects
- Quidolog · 2 DPWH projects
- Rizal
- San Antonio · 2 DPWH projects
- San Fernando · 3 DPWH projects
- San Isidro · 6 DPWH projects
- San Juan
- San Rafael · 2 DPWH projects
- San Ramon · 1 DPWH projects
- Santa Lourdes · 1 DPWH projects
- Santo Domingo
- Talisayan · 2 DPWH projects
- Tupaz · 3 DPWH projects
- Ulag · 1 DPWH projects
QR codes for Prieto Diaz
Print these or the flyer and post them in your barangay hall, market or school. Both use high error correction, so they still scan when partly worn.
