Los Angeles · World Way
400 World Way, Los Angeles
44 home-service permits on record at 400 World Way, Los Angeles; the roof was last permitted on Mar 19, 2025 at a declared value of $501.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Jun 29, 2026 | Bldg-Alter/Repair: LAX project- Supplemental permit to 21014-10024-03646 for revisions to the approved plans for Electrical overhead trapeze seismic bracing in the MER | Electrical | $501 | — | Finaled Jul 17, 2026 | 21014-10117-03646 |
| Jun 11, 2026 | Bldg-Alter/Repair: Supplemental permit to 21014-10035-03646 for revisions to the approved plans for Electrical overhead trapeze seismic bracing - Level 1 HH Feeder Conduits | Electrical | $501 | — | Finaled Jun 18, 2026 | 21014-10116-03646 |
| Jun 11, 2026 | Bldg-Alter/Repair: Supplemental permit to 21014-10087-03646 for revisions to the approved plans for Electrical overhead trapeze seismic bracing - Level 1-4 Feeder Conduits | Electrical | $501 | — | issued | 21014-10114-03646 |
| Jun 2, 2026 | Bldg-Alter/Repair: LAX Project. Deferred submittal supplemental to permit #21014-10000-03646 for HVAC seismic bracing revisions for Levels 1 and 2 of Terminal 4 Headhouse | Heating and cooling | $501 | — | issued | 21014-10115-03646 |
| Mar 13, 2026 | Bldg-Alter/Repair: Deferred submittal for permit number 21014-10000-03646. SEISMIC BRACING FOR ELECTRICAL, FA, TELECOM, SECURITY AND PAGING SYSTEMS | Electrical | $501 | — | issued | 21014-10107-03646 |
| Feb 10, 2026 | Bldg-Alter/Repair: **LAX**Project Under Construction**Deferred submittal for permit number 21014-10000-03646 - Engineered Seismic Bracing for Electrical, FA, Telecom, Security and Paging Systems | Electrical | $501 | — | issued | 21014-10108-03646 |
| Jan 23, 2026 | Bldg-Alter/Repair: **LAX**Project Under Construction**Deferred submittal for permit number 21014-10000-03646 - ENGINEERED SEISMIC BRACING FOR ELECTRICAL, FA, TELECOM, SECURITY AND PAGING SYSTEMS | Electrical | $501 | — | issued | 21014-10106-03646 |
| May 14, 2025 | Bldg-Alter/Repair: LAX PROJECT -ENGINEREED SEISMIC BRACING FOR ELECTRICAL, FA, TELECOM, SECURITY, AND PAGING SYSTEMS. DEFERRED SUBMITTAL FOR PERMIT #21014-10000-03646 | Electrical | $501 | — | issued | 21014-10095-03646 |
| Mar 19, 2025 | Bldg-Alter/Repair: **LAX**Project Under Construction** Deferred Submittal for Supplemental Permit to Base Building Permit #21014-10000-03646 ,HH Stair 01 and rails at Roof | Roofing | $501 | — | issued | 21014-10090-03646 |
| Feb 24, 2025 | Bldg-Alter/Repair: LAX PROJECT- Supplemental to permit# 23016-10000-01274 for revisions to seismic bracing for electrical conduits at T4AAL baggage handling. See comments | Electrical | $501 | — | Finaled Jun 11, 2025 | 23016-10001-01274 |
| Jan 31, 2025 | Bldg-Alter/Repair: **LAX**Project Under Construction**Deferred Submittal for Supplemental Permit to Base Building Permit #21014-10000-036462-14 HH Stair and Rails at roof | Roofing | $501 | — | issued | 21014-10089-03646 |
| Jan 29, 2025 | Bldg-Alter/Repair: **LAX**Project Under Construction**Attn: Farshad**Supplemental permit to 21014-10026-03646 for revisions to the approved plans for Electrical overhead trapeze seismic bracing - Level 1-4 Feeder Conduits | Electrical | $501 | — | issued | 21014-10087-03646 |
| Jan 6, 2025 | Bldg-Alter/Repair: Supplemental permit to 21014-10026-03646 for revisions to the approved plans for Electrical overhead trapeze seismic bracing - Level 1-4 Branch Conduits | Electrical | $501 | — | issued | 21014-10085-03646 |
| Dec 26, 2024 | Bldg-Alter/Repair: LAX PROJECT:Deferred Submittal for Supplemental Permit to Base Building Permit #21014-10000-036462-28 Concourse Stair 01 with rails at low roof | Roofing | $501 | — | issued | 24016-10000-37569 |
| Dec 16, 2024 | Bldg-Alter/Repair: LAX project Deferred Submittal for Supplemental Permit to Base Building Permit #21014-10000-036462-29 Concourse Stair 02 with rails at low roof | Roofing | $501 | — | issued | 21014-10082-03646 |
| Oct 14, 2024 | Bldg-Alter/Repair: Supplemental permit to 21014-10026-03646 for revisions to the approved plans for Electrical overhead trapeze seismic bracing - Level 1-4 Feeder Conduits | Electrical | $501 | — | issued | 21014-10079-03646 |
| Oct 3, 2024 | Bldg-Alter/Repair: ePlan Deferred submittal for base building permit# 21014-10037-03646 Electrical overhead trapeze seismic bracing - Level 1-4 Branch Conduits | Electrical | $501 | — | issued | 21014-10078-03646 |
| Sep 3, 2024 | Bldg-Alter/Repair: **LAX**Project Under Construction**Deferred Submittal for Supplemental Permit to Base Building Permit #21014-10000-03646 : 5-41 Ships Ladders with Rails at Roof | Roofing | $501 | — | issued | 21014-10072-03646 |
| Jun 17, 2024 | Bldg-Alter/Repair: **LAX**Project Under Construction** Deferred submittal for permit #21014-10000-03646 for HVAC seismic bracing for Level 5 of LAX Terminal 4 Headhouse | Heating and cooling | $501 | — | Finaled Nov 6, 2024 | 21014-10068-03646 |
| Jun 5, 2024 | Bldg-Alter/Repair: **LAX**Project Under Construction**Deferred Submittal for Supplemental Permit to Base Building Permit #21014-10006-036462-30 Concourse Stair 03 low roof level | Roofing | $501 | — | issued | 21014-10069-03646 |
| May 10, 2024 | Bldg-Alter/Repair: **LAX** Deferred Submittal to Permit # 21014-10000-03646 : OH Duct Seismic | Heating and cooling | $501 | — | issued | 21014-10066-03646 |
| Apr 29, 2024 | Bldg-Alter/Repair: **LAX**supplemental permit 21014-10000-03646 Deferred Submittal for Duct Riser Seismic under main permit | Heating and cooling | $501 | — | issued | 21014-10053-03646 |
| Mar 6, 2024 | Bldg-Alter/Repair: **ePlan Ref# 84341**LAX American Airlines Terminal 4**Deferred to permit# 21014-10000-03646 for seismic bracing for electrical conduits at baggage handling | Electrical | $22,000 | — | Finaled Mar 20, 2025 | 23016-10000-01274 |
| Feb 2, 2024 | Bldg-Alter/Repair: **LAX** Supplemental to Permit # 21014-10009-03646 ; Deferred submitall for Metal Roofing System | Roofing | $3,000 | — | Finaled Sep 12, 2024 | 21014-10039-03646 |
| Dec 15, 2023 | Bldg-Alter/Repair: **LAX**Project Under Construction**Deferred submittal for permit number 21014-10000-03646 : plumbing seismic submittal for LAX T4 Concourse Levels 1, 2, 3, & 4. Part of LAX T4 HHCC Seismic permit | Plumbing | $501 | — | issued | 21014-10048-03646 |
| Nov 8, 2023 | Bldg-Alter/Repair: **ePlan Ref. 99689**LAX** supplemental permit to #21014-10000-03646 for deferred submittal for plumbing system at Terminal 4 Headhouse Level 1, 2, 3, 4, & 5 | Plumbing | $501 | — | issued | 21014-10033-03646 |
| Oct 13, 2023 | Bldg-Alter/Repair: Plan Deferred submittal for permit #21014-10000-03646 : HVAC seismic bracing | Heating and cooling | $501 | — | issued | 21014-10027-03646 |
| Oct 4, 2023 | Bldg-Alter/Repair: **LAX**Supplemental permit to 21016-10000-15567 for Deferred submittal for bracing of duct work and Mechanical equipment - CRAC Unit & FC Unit | Heating and cooling | $501 | — | Finaled Apr 1, 2025 | 21016-10005-15567 |
| Sep 5, 2023 | Bldg-Alter/Repair: **LAX**Project Under Construction** Deferred submittal for base building permit# 21014-10000-03646 Electrical overhead trapeze seismic bracing - Level 1-4 Branch Conduits | Electrical | $501 | — | issued | 21014-10037-03646 |
| Aug 24, 2023 | Bldg-Alter/Repair: **LAX** Supplemental permit to 21014-10000-03646 -Deferred submittal Electrical overhead trapeze seismic bracing - LVL1 Head house plans | Electrical | $501 | — | issued | 21014-10035-03646 |
| Aug 18, 2023 | Bldg-Alter/Repair: **ePlan Ref. 102403**LAX** supplemental permit to 21014-10000-03646 deferred submittal T4 AAL - Electrical overhead trapeze seismic bracing design for MER north corridor | Electrical | $501 | — | issued | 21014-10025-03646 |
| Aug 14, 2023 | Bldg-Alter/Repair: **ePlan Ref. 107611**LAX**Deferred submittal for 21014-10000-03646 - Electrical overhead trapeze seismic bracing - Emergency Electrical Room | Electrical | $501 | — | issued | 21014-10029-03646 |
| Aug 8, 2023 | Bldg-Alter/Repair: **LAX**Deferred submittal for base building permit# 21014-10000-03646Electrical overhead trapeze seismic bracing - MER | Electrical | $3,000 | — | Finaled Sep 1, 2026 | 21014-10024-03646 |
| Aug 7, 2023 | Bldg-Alter/Repair: **eplan LAX** Seismic Bracing for Unistrut racking system of electrical conduit & Cable Tray being installed in Terminal 4 building | Electrical | $50,000 | — | issued | 23016-10000-15466 |
| Jul 26, 2023 | Bldg-Alter/Repair: ePlan Supplemental permit to 21014-10000-03646 deferred submittal forT4 AAL - Electrical overhead trapeze seismic bracing - LVL1-4 main plans | Electrical | $501 | — | issued | 21014-10026-03646 |
| Nov 8, 2022 | Bldg-Alter/Repair: **LAX-LAMP Project**Plumbing Pipe Hanger supports for new plumbing pipe in Terminal 4 | Plumbing | $35,000 | — | Finaled Dec 11, 2024 | 22016-10000-21281 |
| Feb 7, 2022 | Bldg-Alter/Repair: **ePlan Ref. 40347**LAX T4.5**Project Under Construction**Supplemental permit to building permit #19014-10000-01416 for deferred seismic bracing electrical T4.5 APM cores floor 1 for bracing of conduit | Electrical | $501 | — | Finaled Oct 24, 2022 | 19014-10025-01416 |
| Dec 20, 2021 | Bldg-Alter/Repair: ***LAX*** DEFERRED TO PERMIT# 19014-10000-01416 FOR PLUMBING PIPING SEISMIC BRACING. change of contractor | Plumbing | $501 | — | Finaled Oct 24, 2022 | 19014-10015-01416 |
| Nov 18, 2021 | Bldg-Alter/Repair: ****ePlan Ref. 25531****LAX Deferred permit to original permit #19014-10000-01416 : Seismic bracing for electrical conduits at level 2-5 | Electrical | $501 | — | Finaled Oct 24, 2022 | 19014-10018-01416 |
| Sep 7, 2021 | Bldg-Alter/Repair: ****ePlan Ref. 28666****LAX T4.5 Core****Project Under Construction****Supplemental permit to Building Permit #19014-10000-01416 for deferred electrical seismic bracing | Electrical | $501 | — | Finaled Oct 24, 2022 | 19014-10016-01416 |
| Jul 6, 2021 | Bldg-Alter/Repair: ****ePlan ref. 14674****LAX *****Deferred submittal for permit number 19014-10000-01416 : Seismic submittals for HVAC ductwork and mech pipes | Heating and cooling | $501 | — | Finaled Oct 28, 2022 | 21016-10000-05188 |
| May 11, 2021 | Bldg-Alter/Repair: ****LAX ***ePlan Ref. 8808*** Supplemental Permit to Building permit #19014-1000-01416Seismic Bracing for electrical conduits at LAX T4.5 APM Core levels 2-5 | Electrical | $501 | — | issued | 20016-10000-18702 |
| Sep 4, 2020 | Bldg-Alter/Repair: Modification to existing antena facility by adding/removing RRU's & antennas and by adding 17'x40' roof platform for new equipments | Roofing | $100,000 | — | Finaled Sep 1, 2021 | 19016-10000-21502 |
| Jan 29, 2020 | Bldg-Alter/Repair: SUPPLEMENTAL TO PERMIT # 19014-10000-01416 FOR DEFERRED DESIGN ITEM FOR SEISMIC BRACING FOR ELECTRICAL CONDUITS | Electrical | $501 | — | Finaled Jun 2, 2022 | 19014-10002-01416 |
On World Way
198 permits on record on World Way.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 37 | 11 | $501 | $501–$501 | Nov 13, 2025 |
| Electrical | 71 | 25 | $501 | $501–$34,000 | Sep 15, 2026 |
| Heating and cooling | 61 | 8 | $12,500 | $501–$6,887,200 | Jun 18, 2026 |
| Plumbing | 29 | 0 | — | under 5 | May 13, 2024 |
Roof replacement cost in Los Angeles
Across 20,654 one- and two-family reroof permits since October 3, 2024, most declared values run from $2,000 to $13,000 (the middle 80%); the median is $5,200 and half fall between $3,600 and $7,800. The lowest on record is $19 and the highest $570,000. Every permit behind that range.
Furnace, heat pump or air conditioner replacement cost in Los Angeles
Across 5,331 one- and two-family heating and cooling permits since October 3, 2024, most declared values run from $501 to $39,002 (the middle 80%); the median is $4,251 and half fall between $1,250 and $15,000. The lowest on record is $1 and the highest $1,800,000. Every permit behind that range.
Source
Los Angeles Department of Building and Safety, via the city open-data portal, pulled nightly; the assessor roll for the property fields. As of October 3, 2026. Owner names are not shown on any page.