Barangay
San Antonio
San Antonio, Diffun, Quirino, Region II (Cagayan Valley). Rural. Population 1,424 (2024 POPCEN).
PSGC 0205703027 · Source: PSA, PSGC 3Q 2026 Publication Datafile
Public records linked to San Antonio
Counts include this barangay 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
4 records · ₱22,456,770.71
- Concreting of Sitio Navarro to Brgy. San Isidro Fmr, Brgy. San Isidro, Diffun, Quirino₱11,936,696.89 · 2023 · medium confidence (project coordinates inside the barangay boundary)
- Basic Infrastructure Program (Bip) - Multi-Purpose Buildings/ Facilities to Support Social Services - Construction of Multi-Purpose Building, Barangay Calimaturod, Cordon, Isabela₱4,946,729.19 · 2025 · medium confidence (project coordinates inside the barangay boundary)
- Construction of 1sty2cl, San Antonio Integrated School, Diffun, Quirino₱4,604,346.74 · 2023 · medium confidence (project coordinates inside the barangay boundary)
- Construction of Perimeter Fence San Antonio, Diffun, Quirino₱968,997.89 · 2018 · medium confidence (project coordinates inside the barangay boundary)
How linked: 4 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
Not yet linked to San Antonio itself. This shows the municipality figure for Diffun.
1 record · ₱23,637,637.83
- Municipality of Diffun, Quirino₱23,637,637.83 · 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 San Antonio itself. This shows the province figure for Quirino.
10,925 records · ₱31,592,320,849.96
10,914 placed at Quirino level itself; the rest in LGUs under it.
- Quirino₱31,592,320,849.96 · 10,914 awards · high confidence (area of delivery is this province only)
- Quezon, Quirino, Rizal₱6,851,825.13 · 1 awards · low confidence (area of delivery lists several provinces)
- Aurora, Bataan, Cagayan, Ilocos Norte, Ilocos Sur, Isabela, La Union, Marinduque, Nueva Vizcaya, Occidental Mindoro, Oriental Mindoro, Palawan, Pangasinan, Quirino, Romblon, Zambales₱2,281,640.00 · 1 awards · low confidence (area of delivery lists several provinces)
- Aurora, Bataan, Cagayan, Isabela, Nueva Vizcaya, Quirino, Zambales₱1,820,623.12 · 1 awards · low confidence (area of delivery lists several provinces)
- Quezon, Quirino₱948,326.00 · 3 awards · low confidence (area of delivery lists several provinces)
- Apayao, Aurora, Bataan, Cagayan, Ifugao, Ilocos Norte, Isabela, Nueva Vizcaya, Pangasinan, Quirino₱928,000.00 · 1 awards · low confidence (area of delivery lists several provinces)
How linked: 10,914 by area of delivery is this province only; 11 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
Not yet linked to San Antonio itself. This shows the municipality figure for Diffun.
2 records · ₱10,000,000.00
- Concreting of Local Road in Barangay Ricarte Norte, Diffun₱5,000,000.00 · 2026 · high confidence (location columns in the DBM release)
- Assistance to Indigent Individuals Or Families - Food Assistance/Rice Distribution Project₱5,000,000.00 · 2026 · high confidence (location columns in the DBM release)
How linked: 2 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
1 record · ₱2,000,000.00
- Construction (Completion) of Multi-Purpose Building, Barangay San Antonio, Diffun, Quirino₱2,000,000.00 · 2023 · medium confidence (GAA line text names the place)
How linked: 1 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.
No published flags are linked to San Antonio itself: none of the DPWH projects, PhilGEPS awards or contractors matched to it carry a reviewed flag yet. Showing the nearest parent LGU that has some, Diffun.
- High Concurrent Workload for One ContractorV B Manubay ConstContractor: V B Manubay Const
- High Concurrent Workload for One ContractorDalcon ConstContractor: Dalcon Const
- High Concurrent Workload for One ContractorEgb Const Corp Formerly: Egb ConstContractor: Egb Const Corp Formerly: Egb Const
Contractors on linked DPWH projects
Download this list (CSV) · All bulk data
All 4 contractors on DPWH projects linked to San Antonio and the LGUs under it. Click a column to sort.
| A P D Const INC Formerly: Apd Const | 1 | ₱11,936,696.89 | 0 |
| Monte Carlo Const CORP | 1 | ₱4,946,729.19 | 0 |
| Jmd-68 Builders | 1 | ₱4,604,346.74 | 0 |
| C-Bros Const | 1 | ₱968,997.89 | 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 Quirino
BIR publishes collections by province and city, not by town or barangay. San Antonio is in Quirino.
₱464.4 million
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
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QR codes for San Antonio
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