Barangay
Isabang
Isabang, City of Tayabas, Quezon, Region IV-A (CALABARZON). Urban. Population 17,063 (2024 POPCEN).
PSGC 0405647031 · Source: PSA, PSGC 3Q 2026 Publication Datafile
Public records linked to Isabang
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
23 records · ₱675,234,487.72
- Oo1: Ensure Safe and Reliable National Road System, Asset Preservation Program-Preventive Maintenance-Secondary Roads, Sariaya Bypass Road-K0121+722-K0122+052, K0122+173-K0122+655, K0123+029-K0123+467₱96,500,000.00 · 2024 · medium confidence (project coordinates inside the barangay boundary)
- Construction of Morong River Flood Control (Package 12), Sariaya, Quezon₱96,500,000.00 · 2023 · medium confidence (project coordinates inside the barangay boundary)
- Network Development Road Widening Along Msr Diversion Road, K0125+(-350)-K0126+000₱67,500,785.00 · 2019 · medium confidence (project coordinates inside the barangay boundary)
- Construction of By-Pass and Diversion Roads Jct Daang Maharlika Tayabas By-Pass Road and Quezon Eco-Tourism Road Extension, Tayabas, Quezon₱62,725,000.00 · 2018 · medium confidence (project coordinates inside the barangay boundary)
- Fy 2021 Dpwh Infrastructure Program Organizational Outcome 1:Ensure Safe and Reliable National Road System Network Development Program Construction of By-Pass and Diversion Roads Sariaya Bypass, Quezon₱58,251,265.45 · 2021 · medium confidence (project coordinates inside the barangay boundary)
- Construction of Bypass and Diversion Road @ Jct Daang Maharlika Tayabas Bypass Road and Quezon Eco Tourism Road Extension Package B Tayabas City-Quezon₱42,630,000.00 · 2019 · medium confidence (project coordinates inside the barangay boundary)
How linked: 23 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 Isabang itself. This shows the city figure for City of Tayabas.
7 records · ₱4,750,815,673.67
2 placed at City of Tayabas level itself; the rest in LGUs under it.
- City of Tayabas, Quezon₱4,743,995,342.00 · high confidence (the LGU itself is the buyer)
- Barangay Alupay,Tayabas City₱4,778,839.12 · high confidence (the LGU itself is the buyer)
- Barangay Wakas, Tayabas City₱1,605,067.25 · high confidence (the LGU itself is the buyer)
- Municipality of Tayabas, Quezon₱183,029.40 · high confidence (the LGU itself is the buyer)
- Barangay Mate, Tayabas City, Quezon₱108,000.00 · high confidence (the LGU itself is the buyer)
- Barangay Lalo, Tayabas City, Quezon₱83,200.00 · high confidence (the LGU itself is the buyer)
How linked: 7 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 Isabang itself. This shows the province figure for Quezon.
99,390 records · ₱247,400,548,298.55
99,327 placed at Quezon level itself; the rest in LGUs under it.
- Quezon₱247,400,548,298.55 · 99,327 awards · high confidence (area of delivery is this province only)
- Cavite, Laguna, Quezon₱30,560,594.28 · 21 awards · low confidence (area of delivery lists several provinces)
- Batangas, Cavite, Laguna, Quezon₱28,786,064.50 · 3 awards · low confidence (area of delivery lists several provinces)
- Batangas, Cavite, Laguna, Quezon, Rizal₱26,970,394.00 · 11 awards · low confidence (area of delivery lists several provinces)
- Batangas, Quezon₱23,060,054.72 · 7 awards · low confidence (area of delivery lists several provinces)
- Batangas, Cavite, Laguna, Marinduque, Oriental Mindoro, Quezon, Rizal, Romblon₱16,791,920.00 · 2 awards · low confidence (area of delivery lists several provinces)
How linked: 99,327 by area of delivery is this province only; 63 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 Isabang itself. This shows the city figure for City of Tayabas.
11 records · ₱85,625,000.00
4 placed at City of Tayabas level itself; the rest in LGUs under it.
- Construction of Multi-Purpose Building in Barangay Baguio, City of Tayabas₱18,000,000.00 · 2026 · high confidence (location columns in the DBM release)
- Assistance to Indigent Individuals Or Families - Food Assistance/Rice Distribution Project₱18,000,000.00 · 2026 · high confidence (location columns in the DBM release)
- Construction of Multi-Purpose Building in Barangay Baguio, City of Tayabas₱10,000,000.00 · 2024 · high confidence (location columns in the DBM release)
- Construction of Farm-to-Market Road in Barangay Anos, City of Tayabas₱5,000,000.00 · 2025 · high confidence (location columns in the DBM release)
- Construction of Farm-to-Market Road in Barangay, Palale Silangan, City of Tayabas₱5,000,000.00 · 2024 · high confidence (location columns in the DBM release)
- Construction of Local Road in Barangay Katigan Kanluran, City of Tayabas₱5,000,000.00 · 2025 · high confidence (location columns in the DBM release)
How linked: 11 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
3 records · ₱25,000,000.00
- Completion of Multipurpose Building, Quezon Science High School (Qshs), Barangay Isabang, Tayabas City, Quezon₱15,000,000.00 · 2023 · medium confidence (GAA line text names the place)
- Construction of Multi-Purpose Building, Barangay Isabang, Tayabas City, Quezon₱5,000,000.00 · 2021 · medium confidence (GAA line text names the place)
- Construction of Science Learning Resource Center, Quezon Science High School, Brgy. Isabang, Tayabas City, Quezon₱5,000,000.00 · 2018 · medium confidence (GAA line text names the place)
How linked: 3 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 ContractorSilverwolves Const CorpContractor: Silverwolves Const Corp
Contractors on linked DPWH projects
All 17 contractors on DPWH projects linked to Isabang and the LGUs under it. Click a column to sort.
| Dqt Builders CORP Formerly Dqt Builders | 4 | ₱169,425,785.00 | 0 |
| I A Bosque Const CORP | 1 | ₱96,500,000.00 | 0 |
| Waycon Builders And Const Supply CORP For:Waycon Builders & Const Supply | 1 | ₱96,500,000.00 | 0 |
| Hi-Tri Development CORP | 1 | ₱58,251,265.45 | 0 |
| Romhead S J Builders And Development INC | 2 | ₱56,616,898.98 | 0 |
| Sarca Estate Development CORP | 1 | ₱42,630,000.00 | 0 |
| Silverwolves Const CORP | 1 | ₱28,600,000.00 | 1 |
| Tan Tay Lim Builders And Gen Contractor | 1 | ₱20,737,830.90 | 0 |
| R A Mendiola Const | 2 | ₱19,799,903.67 | 0 |
| Waycon Builders And Const Supply CORP For:Waycon Builders | 2 | ₱16,609,515.91 | 0 |
| L A Clamor Const CORP Formerly:L A Clamor Const | 1 | ₱14,699,999.40 | 0 |
| Philippine Chemsteel Industries INC | 1 | ₱14,695,628.50 | 0 |
| Jelcon-Const And Trading CORP | 1 | ₱14,507,920.00 | 0 |
| Vfl Builders | 1 | ₱11,935,704.53 | 0 |
| W J Const Opc Formerly: W J Const | 1 | ₱4,950,000.00 | 0 |
| L S Abelar Const | 1 | ₱4,873,844.50 | 0 |
| R L Colico Const | 1 | ₱3,900,190.88 | 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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