Barangay
Madlangdungan
Madlangdungan, Calauag, Quezon, Region IV-A (CALABARZON). Rural. Population 724 (2024 POPCEN).
PSGC 0405607046 · Source: PSA, PSGC 3Q 2026 Publication Datafile
Public records linked to Madlangdungan
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
5 records · ₱283,618,840.90
- Rehabilitation/ Reconstruction/ Upgrading of Damaged Paved Roads - Primary Roads Daang Maharlika (Lz)₱262,236,382.85 · 2024 · medium confidence (project coordinates inside the barangay boundary)
- Local Program, Local Infrastructure Program, Local Roads and Bridges, Local Roads, Construction of Local Road, Barangay Katangtang-Bagong Silang-Danlagan Cabayao, Calauag, Quezon₱14,458,085.72 · 2021 · medium confidence (project coordinates inside the barangay boundary)
- Cy 2018 Basic Educational Facilities Fund, (Construction of Classrooms) Batch 3, Constructon of Classroom 1sty 2cl Catangtang Es, Calauag, Quezon₱3,126,189.52 · 2018 · medium confidence (project coordinates inside the barangay boundary)
- Cluster Iiia. D. Local Program 3. Local Infrastructure Program A. Buildings and Other Structures 1. Multipurpose/ Facilities 19. Rehabilitation of Multi-Purpose Building, Brgy. Bigaan, Calauag, Quezon - Php 990,000.00b. D. Local Program 3. Local Inf₱1,950,160.14 · 2020 · medium confidence (project coordinates inside the barangay boundary)
- Concreting of Brgy. Katangtang Fmr, Calauag₱1,848,022.67 · 2016 · medium confidence (project coordinates inside the barangay boundary)
How linked: 5 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 Madlangdungan itself. This shows the municipality figure for Calauag.
44 records · ₱1,294,129,085.95
1 placed at Calauag level itself; the rest in LGUs under it.
- Municipality of Calauag, Quezon₱1,269,927,617.53 · high confidence (the LGU itself is the buyer)
- Barangay Sta. Maria, Calauag, Quezon₱3,348,835.67 · high confidence (the LGU itself is the buyer)
- Barangay Tiniguiban, Calauag, Quezon₱1,451,508.75 · high confidence (the LGU itself is the buyer)
- Barangay Vinas, Calauag, Quezon₱1,342,808.75 · high confidence (the LGU itself is the buyer)
- Barangay Katangtang - Calauag, Quezon₱988,499.00 · high confidence (the LGU itself is the buyer)
- Barangay Kinalin Ibaba, Calauag, Quezon₱880,791.75 · high confidence (the LGU itself is the buyer)
How linked: 44 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 Madlangdungan 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 Madlangdungan itself. This shows the municipality figure for Calauag.
10 records · ₱80,000,000.00
2 placed at Calauag level itself; the rest in LGUs under it.
- Rehabilitation/Improvement of Level Ii Water System₱10,000,000.00 · 2026 · high confidence (location columns in the DBM release)
- Construction of Level Ii Potable Water Supply System₱10,000,000.00 · 2026 · high confidence (location columns in the DBM release)
- Construction of Level Ii Potable Water Supply System₱10,000,000.00 · 2026 · high confidence (location columns in the DBM release)
- Opening With Concreting of Road₱10,000,000.00 · 2026 · high confidence (location columns in the DBM release)
- Opening With Concreting of Road₱10,000,000.00 · 2026 · high confidence (location columns in the DBM release)
- Construction of Health Station₱10,000,000.00 · 2026 · high confidence (location columns in the DBM release)
How linked: 10 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 · ₱500,000.00
- Repair/Rehabilitation of Multi-Purpose Building, Brgy. Madlangdungan, Calauag, Quezon₱500,000.00 · 2019 · 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 Madlangdungan 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, Calauag.
- Duplicate or Near-Duplicate ProjectsConstruction of Seawall, Barangay Pinagtalleran, Calauag, QuezonContractor: Tg Surcon Builders Inc
- Contractor Concentration (Flood Control)Mg Samidan ConstContractor: Mg Samidan Const
- Contractor Concentration (Flood Control)Mg Samidan ConstContractor: Mg Samidan Const
- High Concurrent Workload for One ContractorMg Samidan ConstContractor: Mg Samidan Const
- Contractor Concentration (Flood Control)Abu ConstContractor: Abu Const
Contractors on linked DPWH projects
All 2 contractors on DPWH projects linked to Madlangdungan and the LGUs under it. Click a column to sort.
| Waycon Builders And Const Supply CORP For:Waycon Builders & Const Supply | 1 | ₱262,236,382.85 | 0 |
| R A Mendiola Const | 4 | ₱21,382,458.05 | 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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