Municipality
San Agustin
San Agustin, Isabela, Region II (Cagayan Valley). 2nd income class. Population 22,228 (2024 POPCEN).
Data-quality note: 8 DPWH projects linked to San Agustin have no coordinates published by DPWH, so they are not on the map and cannot be checked with satellite images.
PSGC 0203127000 · Source: PSA, PSGC 3Q 2026 Publication Datafile
Public records linked to San Agustin
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
174 records · ₱5,428,774,717.00
14 placed at San Agustin level itself; the rest in LGUs under it.
- Construction of Santos Flood Control Structures, Santos, San Agustin, Isabela₱115,800,000.00 · 2024 · medium confidence (project coordinates inside the barangay boundary)
- Organizational Outcome 2: Protect Lives and Properties Against Major Floods - Flood Management Program - Construction / Maintenance of Flood Mitigation Structures and Drainage Systems - Construction of Panang Flood Control Structure, Section 2, San Agusti₱106,097,596.77 · 2025 · medium confidence (project coordinates inside the barangay boundary)
- Organizational Outcome 2: Protect Lives and Properties Against Major Floods - Flood Management Program - Construction / Maintenance of Flood Mitigation Structures and Drainage Systems - Construction of Nemmatan Flood Control Structure, Section 1, San Agus₱106,069,064.13 · 2025 · high confidence (project coordinates inside the city/municipality boundary)
- Organizational Outcome 2: Protect Lives and Properties Against Major Floods - Flood Management Program - Construction / Maintenance of Flood Mitigation Structures and Drainage Systems - Construction of Quimalabasa Norte Flood Control Structure Section 5,₱106,050,000.92 · 2025 · medium confidence (project coordinates inside the barangay boundary)
- Organizational Outcome 2: Protect Lives and Properties Against Major Floods - Flood Management Program - Construction / Maintenance of Flood Mitigation Structures and Drainage Systems - Construction of Palacian Flood Control Structure, Section 1, San Agus₱106,048,935.83 · 2025 · medium confidence (project coordinates inside the barangay boundary)
- Sustainable Infrastructure Projects Alleviating Gaps (Sipag) - Flood Mitigation Structures Protecting Major/ Strategic Public Buildings /Facilities - Construction of Masaya Sur Flood Control Structure, Section 2, Brgy. Masaya Sur, San Agustin, Isabela₱96,500,000.00 · 2024 · medium confidence (project coordinates inside the barangay boundary)
How linked: 160 by project coordinates inside the barangay boundary; 8 by project title names the place; 6 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 · ₱576,761,597.66
- Municipality of San Agustin, Isabela₱576,761,597.66 · 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 Agustin itself. This shows the province figure for Isabela.
56,720 records · ₱206,082,170,662.99
56,667 placed at Isabela level itself; the rest in LGUs under it.
- Isabela₱206,082,170,662.99 · 56,667 awards · high confidence (area of delivery is this province only)
- Batangas, Bukidnon, Cagayan, Camarines Sur, Cotabato, Davao del Sur, Isabela, Pampanga, Tarlac₱112,839,000.00 · 2 awards · low confidence (area of delivery lists several provinces)
- Basilan, Isabela, Sulu, Tawi-Tawi, Zamboanga del Norte, Zamboanga del Sur, Zamboanga Sibugay₱38,348,411.40 · 1 awards · low confidence (area of delivery lists several provinces)
- Iloilo, Isabela₱3,146,289.62 · 36 awards · low confidence (area of delivery lists several provinces)
- Aurora, Cagayan, Ilocos Sur, Isabela₱2,584,900.00 · 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)
How linked: 56,667 by area of delivery is this province only; 53 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
5 records · ₱26,000,000.00
3 placed at San Agustin level itself; the rest in LGUs under it.
- Concreting of Farm to Market Road₱10,000,000.00 · 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)
- Construction of San Agustin Senior Citizen Multi-Purpose Building in Barangay Masaya Centro, San Agustin₱5,000,000.00 · 2024 · high confidence (location columns in the DBM release)
- Concreting of Farm to Market Road at Barangay Palacian₱4,000,000.00 · 2022 · high confidence (location columns in the DBM release)
- Assistance to Indigent Individuals Or Families: Food Assistance₱2,000,000.00 · 2024 · high confidence (location columns in the DBM release)
How linked: 5 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
155 records · ₱5,111,468,000.00
83 placed at San Agustin level itself; the rest in LGUs under it.
- Construction of Santos Flood Control Structures, Santos, San Agustin, Isabela₱120,000,000.00 · 2024 · high confidence (GAA line text names the place)
- Construction of Nemmatan Flood Control Structure, Section 1, San Agustin, Isabela₱110,000,000.00 · 2025 · high confidence (GAA line text names the place)
- Construction of Palacian Flood Control Structure, Section 1, San Agustin, Isabela₱110,000,000.00 · 2025 · high confidence (GAA line text names the place)
- Construction of Panang Flood Control Structure, Section 2, San Agustin, Isabela₱110,000,000.00 · 2025 · high confidence (GAA line text names the place)
- Construction of Quimalabasa Norte Flood Control Structure Section 5, San Agustin, Isabela₱110,000,000.00 · 2025 · high confidence (GAA line text names the place)
- Construction of Barangay Quimalabasa Norte Flood Control Project, Section 1, San Agustin, Isabela₱100,000,000.00 · 2023 · high confidence (GAA line text names the place)
How linked: 155 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.
- High Concurrent Workload for One ContractorJwu Const and SupplyContractor: Jwu Const and Supply
- 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
- Awards Very Close to the Budget CeilingConstruction of Barangay Salay Flood Control Structure, Section 1, San Agustin, IsabelaContractor: V B Manubay Const
- Awards Very Close to the Budget CeilingConstruction of Barangay Sinaoangan Norte Flood Control Structure, Section 1, San Agustin, IsabelaContractor: V B Manubay Const
Contractors on linked DPWH projects
Download this list (CSV) · All bulk data
All 39 contractors on DPWH projects linked to San Agustin and the LGUs under it. Click a column to sort.
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 Isabela
BIR publishes collections by province and city, not by town or barangay. San Agustin is in Isabela.
₱4.72 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
12 line items worth ₱164.7M in the FY2027 National Expenditure Program (FY2026 NEP: 4 worth ₱395.0M). Counted from lines that name San Agustin.
- Concreting of Road going to Sanitary Landfill, San Agustin, Isabela · NEP p.322₱57.0M
- Construction of Road, Barangay Masaya Norte, San Agustin, IsabelaIsabela 4th District Engineering Office · NEP p.368 · similar existing contract: Low confidence₱18.0M
- Construction of Barangay Road at Purok 5 to Purok 7, Barangay Salay, San Agustin, IsabelaIsabela 4th District Engineering Office · NEP p.367₱15.0M
- Construction of Road, Barangay Laoag, San Agustin, IsabelaIsabela 4th District Engineering Office · NEP p.368₱13.1M
- Construction of Barangay Road, Purok 2, Purok 6, and Purok 7, Barangay Masaya Norte, San Agustin, IsabelaIsabela 4th District Engineering Office · NEP p.367₱12.5M
- Construction of Multi-Purpose Building, Barangay Bautista, San Agustin, IsabelaIsabela 4th District Engineering Office · NEP p.478 · similar existing contract: Low confidence₱11.0M
- Constructinn of Road, Barangay Quimalabasa Norte, San Agustin, IsabelaIsabela 4th District Engineering Office · NEP p.367₱10.6M
- Construction of Barangay Road, Purok 5, Barangay Dabubu Grande, San Agustin, IsabelaIsabela 4th District Engineering Office · NEP p.367₱7.5M
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 San Agustin (23)
Download this list with counts (CSV) · All bulk data
- Bautista · 4 DPWH projects
- Calaocan · 2 DPWH projects
- Dabubu Grande · 1 DPWH projects
- Dabubu Pequeño · 5 DPWH projects
- Dappig · 10 DPWH projects
- Laoag · 7 DPWH projects
- Mapalad · 3 DPWH projects
- Masaya Centro · 16 DPWH projects
- Masaya Norte · 7 DPWH projects
- Masaya Sur · 13 DPWH projects
- Nemmatan · 1 DPWH projects
- Palacian · 9 DPWH projects
- Panang · 9 DPWH projects
- Quimalabasa Norte · 9 DPWH projects
- Quimalabasa Sur · 7 DPWH projects
- Rang-ay · 4 DPWH projects
- Salay · 6 DPWH projects
- San Antonio · 6 DPWH projects
- Santo Niño · 8 DPWH projects
- Santos · 5 DPWH projects
- Sinaoangan Norte · 12 DPWH projects
- Sinaoangan Sur · 10 DPWH projects
- Virgoneza · 6 DPWH projects
QR codes for San Agustin
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.
