Municipality
San Ildefonso
San Ildefonso, Ilocos Sur, Region I (Ilocos Region). 2nd income class. Population 8,213 (2024 POPCEN).
Data-quality note: 4 DPWH projects linked to San Ildefonso have no coordinates published by DPWH, so they are not on the map and cannot be checked with satellite images.
PSGC 0102919000 · Source: PSA, PSGC 3Q 2026 Publication Datafile
Public records linked to San Ildefonso
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
53 records · ₱1,200,337,219.75
4 placed at San Ildefonso level itself; the rest in LGUs under it.
- Improvement/ Widening of National Road Along Manila North Road, K0410+516 - K0411+000; K0412+800 - K0413+500; K0413+920 - K0414+000; K0416+219 - K0417+859; K0422+668 - K0424 + 447; K0433 + 500 - K0435 + 000₱155,531,641.30 · 2016 · medium confidence (project coordinates inside the barangay boundary)
- Construction of By-Pass and Diversion Roads, Bantay-San Ildefonso By-Pass Road, Ilocos Sur₱115,799,536.68 · 2019 · medium confidence (project coordinates inside the barangay boundary)
- Construction of Bypass and Diversion Roads, Bantay-San Ildefonso Bypass Road, Incl. Row, Ilocos Sur₱101,517,289.24 · 2018 · medium confidence (project coordinates inside the barangay boundary)
- Construction of Bypass and Diversion Roads, Bantay-San Ildefonso Bypass Road, Package 2, Ilocos Sur₱96,499,987.26 · 2024 · medium confidence (project coordinates inside the barangay boundary)
- Construction of Flood Control Along Bungro River, Sto. Domingo, Ilocos Sur₱91,675,000.00 · 2022 · medium confidence (project coordinates inside the barangay boundary)
- Construction of By-Pass and Diversion Roads - Bantay-San Ildefonso Bypass Road, Ilocos Sur₱77,024,566.67 · 2023 · medium confidence (project coordinates inside the barangay boundary)
How linked: 49 by project coordinates inside the barangay boundary; 4 by project title names the place.
Contracts this LGU awarded (PhilGEPS)
PhilGEPS awards where the procuring entity is this LGU. Source: PhilGEPS award notices
12 records · ₱913,011,348.08
1 placed at San Ildefonso level itself; the rest in LGUs under it.
- Municipality of San Ildefonso, Ilocos Sur₱898,749,940.92 · high confidence (the LGU itself is the buyer)
- Barangay Sagsagat, San Ildefonso, Ilocos Sur₱2,815,024.45 · high confidence (the LGU itself is the buyer)
- Barangay Bahet, San Ildefonso, Ilocos Sur₱2,687,631.18 · high confidence (the LGU itself is the buyer)
- Barangay Kinamantirisan - San Ildefonso, Ilocos Sur₱1,881,026.34 · high confidence (the LGU itself is the buyer)
- Barangay Belen, San Ildefonso, Ilocos Sur₱1,588,562.64 · high confidence (the LGU itself is the buyer)
- Barangay Sagneb, San Ildefonso, Ilocos Sur₱1,429,478.94 · high confidence (the LGU itself is the buyer)
How linked: 12 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 Ildefonso itself. This shows the province figure for Ilocos Sur.
69,049 records · ₱162,446,126,088.41
68,983 placed at Ilocos Sur level itself; the rest in LGUs under it.
- Ilocos Sur₱162,446,126,088.41 · 68,983 awards · high confidence (area of delivery is this province only)
- Ilocos Norte, Ilocos Sur, La Union, Pangasinan₱32,735,719.44 · 12 awards · low confidence (area of delivery lists several provinces)
- Ilocos Sur, Iloilo₱12,748,302.60 · 11 awards · low confidence (area of delivery lists several provinces)
- Benguet, Ilocos Norte, Ilocos Sur, La Union, Pangasinan₱10,270,956.00 · 6 awards · low confidence (area of delivery lists several provinces)
- Ilocos Sur, Lanao del Sur₱9,404,796.83 · 1 awards · low confidence (area of delivery lists several provinces)
- Benguet, Ilocos Norte, Ilocos Sur, La Union, Mountain Province, Pangasinan₱9,311,352.00 · 6 awards · low confidence (area of delivery lists several provinces)
How linked: 68,983 by area of delivery is this province only; 66 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
2 records · ₱15,000,000.00
- Construction of Evacuation Center Phase Ii (2nd Floor) at Poblacion East₱10,000,000.00 · 2022 · 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
41 records · ₱598,905,000.00
16 placed at San Ildefonso level itself; the rest in LGUs under it.
- Bantay-San Ildefonso Bypass Road, Barangay. Poblacion East - Bungro Section, Sta. 8+761.50 - Sta. 9+877.10, Sta. 10+221.60 - 369.50, Sta. 10+411.77 - Sta. 0+520, San Ildefonso, Ilocos Sur₱176,070,000.00 · 2026 · high confidence (GAA line text names the place)
- Construction of Flood Control Along Bantaoay River, Barangay Busiing Norte, San Ildefonso, Ilocos Sur₱35,000,000.00 · 2023 · medium confidence (GAA line text names the place)
- Construction of Flood Control Along Bantaoay River, Brgy. Busiing, San Ildefonso, Ilocos Sur₱35,000,000.00 · 2019 · high confidence (GAA line text names the place)
- Construction of Lto Office Building, San Ildefonso, Ilocos Sur₱29,000,000.00 · 2024 · high confidence (GAA line text names the place)
- Construction of Flood Control Along Bantaoay River Located at Otol-Patac, San Ildefonso, Ilocos Sur₱26,200,000.00 · 2021 · high confidence (GAA line text names the place)
- Construction of Flood Control Structure Along Bantaoay River, Barangay Dongalo, San Ildefonso, Ilocos Sur₱25,000,000.00 · 2023 · medium confidence (GAA line text names the place)
How linked: 41 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 Ildefonso 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, Ilocos Sur.
- Duplicate or Near-Duplicate ProjectsConstruction of Brgy. Ambugat Flood Control, Burgos, Ilocos SurContractor: Czmac Const Services
- Duplicate or Near-Duplicate ProjectsConstruction of Quirino Flood Control, Quirino, Ilocos SurContractor: Nabanew Const and Supply
- Duplicate or Near-Duplicate ProjectsConstruction of Burgos Flood Control, Burgos, Ilocos SurContractor: First Northway Development & Const Corp
- Duplicate or Near-Duplicate ProjectsConstruction of Quirino Flood Control, Quirino, Ilocos SurContractor: Nabanew Const and Supply
- Duplicate or Near-Duplicate ProjectsConstruction of Burgos Flood Control, Burgos, Ilocos SurContractor: Mrk-Square Const and Supply
- Duplicate or Near-Duplicate ProjectsConstruction of Balidbid River Control, Barangay Balidbid, Salcedo, Ilocos SurContractor: Villar Gen Const and Supplies
Contractors on linked DPWH projects
All 15 contractors on DPWH projects linked to San Ildefonso and the LGUs under it. Click a column to sort.
| Satrap Const CO INC | 8 | ₱636,393,500.07 | 0 |
| Fit Const | 16 | ₱163,608,524.68 | 0 |
| A P B Const | 1 | ₱91,675,000.00 | 0 |
| Arthit CORP | 4 | ₱43,698,319.98 | 0 |
| 739 Builders | 3 | ₱40,439,003.35 | 0 |
| Jmcq Const And Supply | 4 | ₱40,425,283.41 | 0 |
| Viking Const & Supplies | 1 | ₱39,795,524.42 | 0 |
| A P B Const / Fit Const | 1 | ₱34,257,663.30 | 0 |
| R B Pano Const CORP Formerly: R B Pano Const And Supply | 5 | ₱28,501,879.16 | 0 |
| Sj Millennium Const And Const Supply CORP | 1 | ₱24,500,000.00 | 0 |
| N A Ibarra Const For Diocletians Const | 4 | ₱17,048,913.04 | 0 |
| M V Sabalburo Const And Supply | 2 | ₱15,660,293.28 | 0 |
| Ab Diamond23 Const | 1 | ₱14,546,995.06 | 0 |
| Maple Leaf Engineering And Const | 1 | ₱4,930,021.77 | 0 |
| Karpa Builders And Trading | 1 | ₱4,856,298.23 | 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.
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Barangays in San Ildefonso (15)
- Arnap · 5 DPWH projects
- Bahet · 2 DPWH projects
- Belen · 3 DPWH projects
- Bungro · 3 DPWH projects
- Busiing Norte · 5 DPWH projects
- Busiing Sur · 2 DPWH projects
- Dongalo · 5 DPWH projects
- Gongogong · 7 DPWH projects
- Iboy
- Kinamantirisan
- Otol-Patac · 5 DPWH projects
- Poblacion East · 8 DPWH projects
- Poblacion West · 2 DPWH projects
- Sagneb
- Sagsagat · 2 DPWH projects
QR codes for San Ildefonso
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.
