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Municipality

Diplahan

Diplahan, Zamboanga Sibugay, Region IX (Zamboanga Peninsula). 1st income class. Population 32,423 (2024 POPCEN).

Data-quality note: 5 DPWH projects linked to Diplahan have no coordinates published by DPWH, so they are not on the map and cannot be checked with satellite images.

PSGC 0908303000 · Source: PSA, PSGC 3Q 2026 Publication Datafile

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Public records linked to Diplahan

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

173 records · ₱4,059,204,286.53

7 placed at Diplahan level itself; the rest in LGUs under it.

  1. Road Widening - Primary Roads - Lanao - Pagadian - Zamboanga City Road₱163,689,640.26 · 2018 · medium confidence (project coordinates inside the barangay boundary)
  2. Construction of Road - Siay - Diplahan Road, Diplahan, Zamboanga Sibugay₱152,856,000.00 · 2024 · medium confidence (project coordinates inside the barangay boundary)
  3. Preventive Maintenance - Tertiary Roads Along Imelda-Bayog-Kumalarang-Lapuyan-Margosatubig Rd - K1764 + 319 - K1764 + 991, K1770 + 000 - K1772 + 464.30₱143,749,852.53 · 2024 · medium confidence (project coordinates inside the barangay boundary)
  4. Construction/Maintenance of Flood Mitigation Structures and Drainage Systems - Construction of Flood Control Along Imelda - Bayog - Kumalarang - Lapuyan - Margosatubig Road, Part of Sibuguey River, Barangay Paradise, Diplahan, Zamboanga Sibugay₱129,130,413.59 · 2021 · medium confidence (project coordinates inside the barangay boundary)
  5. Road Upgrading (Gravel to Paved) of Imelda - Bayog - Kumalarang - Margosatubig Road, Zamboanga Sibugay 1st Deo, K1767+106.00 to K1768+463.07, K1770+555.00 to K1770+730.00, K1770+950.08 to K1770+967.00, K1771+150.00 to K1771+460.00, Net Length: 1,858.99 Ln₱123,541,144.50 · 2017 · medium confidence (project coordinates inside the barangay boundary)
  6. Construction of Flood Control Along Sibuguey River (Upstream), Barangay Gaulan, Zamboanga Sibugay₱115,714,415.26 · 2024 · medium confidence (project coordinates inside the barangay boundary)

How linked: 166 by project coordinates inside the barangay boundary; 5 by project title names the place; 2 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

2 records · ₱606,837,352.18

1 placed at Diplahan level itself; the rest in LGUs under it.

  1. Municipality of Diplahan, Zamboanga Sibugay₱606,458,972.45 · high confidence (the LGU itself is the buyer)
  2. Barangay Kauswagan - Diplahan, Zamboanga Sibugay₱378,379.73 · high confidence (the LGU itself is the buyer)

How linked: 2 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 Diplahan itself. This shows the province figure for Zamboanga Sibugay.

23,419 records · ₱52,338,047,967.10

23,406 placed at Zamboanga Sibugay level itself; the rest in LGUs under it.

  1. Zamboanga Sibugay₱52,338,047,967.10 · 23,406 awards · high confidence (area of delivery is this province only)
  2. 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)
  3. Zamboanga del Sur, Zamboanga Sibugay₱30,455,583.00 · 3 awards · low confidence (area of delivery lists several provinces)
  4. Basilan, Sulu, Zamboanga del Norte, Zamboanga del Sur, Zamboanga Sibugay₱8,051,535.72 · 1 awards · low confidence (area of delivery lists several provinces)
  5. Zamboanga del Norte, Zamboanga del Sur, Zamboanga Sibugay₱1,107,095.00 · 3 awards · low confidence (area of delivery lists several provinces)
  6. Zamboanga del Norte, Zamboanga Sibugay₱77,000.00 · 1 awards · low confidence (area of delivery lists several provinces)

How linked: 23,406 by area of delivery is this province only; 13 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

10 records · ₱60,428,550.00

3 placed at Diplahan level itself; the rest in LGUs under it.

  1. Construction of Level Iii Potable Water Supply System₱10,000,000.00 · 2026 · high confidence (location columns in the DBM release)
  2. Construction of Level Ii Potable Water Supply System₱10,000,000.00 · 2026 · high confidence (location columns in the DBM release)
  3. Concreting of Farm-to-Market Road₱10,000,000.00 · 2026 · high confidence (location columns in the DBM release)
  4. Electrification of Barangay Sampoli B₱10,000,000.00 · 2026 · high confidence (location columns in the DBM release)
  5. Assistance to Indigent Individuals Or Families - Food Assistance₱5,000,000.00 · 2026 · high confidence (location columns in the DBM release)
  6. Concreting of Access Road to Sampoli B Barangay Site₱5,000,000.00 · 2022 · 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

105 records · ₱2,121,970,000.00

50 placed at Diplahan level itself; the rest in LGUs under it.

  1. Construction of Road - Siay - Diplahan Road, Diplahan, Zamboanga Sibugay₱160,000,000.00 · 2024 · high confidence (GAA line text names the place)
  2. Construction of Flood Control Along Imelda - Bayog - Kumalarang - Lapuyan - Margosatubig Road, Part of Sibuguey River, Barangay Paradise, Diplahan, Zamboanga Sibugay₱135,000,000.00 · 2021 · medium confidence (GAA line text names the place)
  3. Construction of Flood Control Along Sibuguey River, Barangay Lobing, Diplahan, Zamboanga Sibugay₱120,000,000.00 · 2024 · medium confidence (GAA line text names the place)
  4. Construction of Flood Control Along Sibuguey River ( Upstream ) , Barangay, Songcuya, Diplahan, Zamboanga Sibugay₱120,000,000.00 · 2024 · high confidence (GAA line text names the place)
  5. Construction of Flood Control Structure Along Sibuguey River, Phase 1, Barangay Lindang, Diplahan, Zamboanga Sibugay₱120,000,000.00 · 2024 · medium confidence (GAA line text names the place)
  6. Construction of Road, Barangay Kauswagan to Barangay Gaulan, Diplahan, Zamboanga Sibugay₱90,000,000.00 · 2024 · high confidence (GAA line text names the place)

How linked: 105 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.

See all 5 published flags

Contractors on linked DPWH projects

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All 39 contractors on DPWH projects linked to Diplahan and the LGUs under it. Click a column to sort.

Esr Const And Development CORP Formerly: Esr Const8₱951,863,949.080
Rudhil Const14₱712,610,266.310
Badsbro Const And Gen Merchandise13₱346,725,782.501
Mindanao Rock2₱221,599,872.531
Jaykris Ent10₱188,729,919.770
Diplahan Commercial And Const15₱157,477,627.820
Genetian Builders And Ent INC Formerly: Genetian Builders3₱141,718,181.151
L C Const CORP For: L C Const8₱119,820,673.090
Rcdg Const CORP3₱111,177,474.020
Lakewood Const CO7₱106,341,384.650
Rudhil Const & Ent INC Formerly R1₱104,499,773.700
Long Island Builders & Const2₱87,200,473.860
Kaye-Venice Const15₱84,739,824.960
MontañO Const1₱79,867,037.770
Long Island Builders3₱75,637,574.570
Ks Agad Const9₱59,431,972.580
Victoriano C Lim Const CORP Formerly: Victoriano C Lim Const2₱58,795,589.750
Stone Throw Const11₱56,334,525.490
Lexand Const3₱55,490,245.740
Jgc Construction1₱52,292,304.080
Dl Ent1₱48,249,820.660
O G Santos Const2₱46,530,150.670
Mjmari Builders And Development CORP Formerly: Mjmari Builders And Ent6₱46,190,178.512
Jaykris Ent & Const Formerly: Jaykris Ent1₱29,370,878.370
E G Ayoma Const And Ent3₱28,608,774.670

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 Zamboanga Sibugay

BIR publishes collections by province and city, not by town or barangay. Diplahan is in Zamboanga Sibugay.

₱706.4 million

Collected, January-August 2026 (tentative BIR figures, ₱ million in the source)

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug

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

4 line items worth ₱375.0M in the FY2027 National Expenditure Program (FY2026 NEP: 4 worth ₱112.0M). Counted from lines that name Diplahan.

  • Construction of Flood Control along Imelda - Bayog - Kumalarang - Lapuyan - Margosatubig Road, part of Sibuguey River, Barangay Pilar, Diplahan, Zamboanga Sibugay · NEP p.247₱120.0M
  • Construction of Flood Control along Imelda - Bayog - Kumalarang - Lapuyan - } Margosatubig Road, part of Sibuguey River, Barangay Songcuya, Diplahan, Zamboanga Sibugay(Downstream) · NEP p.247₱120.0M
  • Construction of Flood Control Structure (revetment wall) along Sibuguey River (upstream), Barangay Sampoli A, Diplahan, Zamboanga Sibugay · NEP p.247₱120.0M
  • Construction of Multi-Purpose Building in Purok Waling-waling Barangay Guinoman, Diplahan, Zamboanga SibugayZamboanga Sibugay 1st District Engineering Office · NEP p.541 · similar existing contract: Low confidence₱15.0M

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 Diplahan (22)

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QR codes for Diplahan

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