Chatsworth - Porter Ranch

Building permits in 91311

Los Angeles issued 122 permits in 91311, Chatsworth - Porter Ranch, between Aug 25, 2026 and Sep 11, 2026, including 5 worth more than $100,000.

Permits issued
122
on record
Declared value
$2.1M
where the city states one
Over $100k
5
individual jobs

What kind of work

Priced by the city

  • Bldg-Alter/Repair30 · $360k
  • Bldg-Addition4 · $229k
  • Grading4 · $4k
  • Bldg-New4 · $1.5M
  • Swimming-Pool/Spa3 · $4k

Trade permits

  • Electrical46
  • HVAC16
  • Plumbing13
  • Fire Sprinkler2

Los Angeles publishes no dollar value for electrical or mechanical permits, so these are counted but not priced.

The largest jobs in 91311

Highest-value permits issued in 91311, newest first within value
AddressTypeValueIssued
22024 W TULSA ST
NEW 73'6" X 46' TWO STORY SFD WITH ATTACHED TWO CAR GARAGE PER TENTATIVE TRACT AA-2005-347-PMLA , NFPA-13R FIRE SPRINKLERS REQUIRED , TYPE V-A CONSTRUCTION, ALL WORK PER ENGINEERING - SEE COMMENTS
Bldg-New$472,000Aug 26, 2026
22020 W TULSA ST
NEW TWO STORY SFD WITH ATTACHED TWO CAR GARAGE PER TENTATIVE TRACT AA-2005-347-PMLA , NFPA-13D FIRE SPRINKLERS REQUIRED , ALL WORK PER ENGINEERING
Bldg-New$472,000Aug 26, 2026
22004 W TULSA ST
NEW TWO STORY SFD WITH ATTACHED TWO CAR GARAGE PER TENTATIVE TRACT AA-2005-347-PMLA , NFPA-13D FIRE SPRINKLERS REQUIRED , ALL WORK PER ENGINEERING
Bldg-New$430,000Aug 26, 2026
10544 N INDEPENDENCE AVE
EPLAN NEW DETACHED 1200 S.F.ADU AND GARAGE
Bldg-New$159,000Sep 11, 2026
20320 W PRAIRIE ST
ADD MECHANICAL ROOM AND CANOPY TO COVER MECHANICAL EQUIPMENT TO (E) BUILDING
Bldg-Addition$100,000Aug 31, 2026
21724 W CHATSWORTH ST N/A
ePlan. Addition and remodel to (e) SFD w/attached garage
Bldg-Addition$75,000Sep 11, 2026
21551 W PRAIRIE ST
CHANGE OF USE FROM S-1 STORAGE TO F-1 FACTORY INDUSTRIAL AND EQUIPMENT ANCHORAGE.
Bldg-Alter/Repair$58,320Aug 28, 2026
11030 N WINNETKA AVE
REMODEL PORTION OF SFD AT 1ST FLOOR TO ENLARGE KITCHEN AND NEW STUDY ROOM. ADD PORCH AT FRONT OF (E) 2-STORY SFD. REFRAME PORTION OF ROOF. ALL WORK PER ENGINEERING.
Bldg-Addition$50,000Aug 28, 2026
9960 N OWENSMOUTH AVE
Application of an approved coating to an existing roof.
Bldg-Alter/Repair$48,802Aug 26, 2026
10056-10058 N LARAMIE AVE
EPLAN. CONVERT (E) ATTACHED GARAGE INTO A 492 SF ADU. PER GC 66323(a)(1)
Bldg-Alter/Repair$40,000Sep 8, 2026
21934-21936 W VINTAGE ST
ePLAN Convert 462 sq ft of existing attached garage into an Accessory Dwelling Unit (ADU) per GCS 66323(a)(1) and convert 12 sq ft of garage to add to existing Single-Family Dwelling (SFD).
Bldg-Alter/Repair$40,000Sep 3, 2026
10738-10740 N IRONDALE AVE
Eplan ATTACHED GARAGE CONVERT TO ADU PER GCS 66323(a)(1)
Bldg-Alter/Repair$35,000Aug 27, 2026
20301 W HIAWATHA ST
Re-roof with Class A or B roof covering material weighing less than 6 pounds per sq. ft. over existing solid sheathing ___25___Squares. Class A roof covering is required within Very High Fire Hazard Severity Zone (VHFHSZ). For residential roof replacement > 50% of the total roof area, apply Cool Roof Product labeled and certified by Cool Roof Rating Council (CRRC). Cool Roof may be required for non-residential buildings per Title 24, Part 6, Section 141.0(b)2B.
Bldg-Alter/Repair$16,000Sep 8, 2026
10352 N JOVITA AVE
Re-roof with Class A or B roof covering material weighing less than 6 pounds per sq. ft. over new solid sheathing 45 Squares. Class A roof covering is required within Very High Fire Hazard Severity Zone (VHFHSZ). For residential roof replacement > 50% of the total roof area, apply Cool Roof Product labeled and certified by Cool Roof Rating Council (CRRC). Cool Roof may be required for non-residential buildings per Title 24, Part 6, Section 141.0(b)2B.
Bldg-Alter/Repair$13,500Sep 9, 2026
10532 N ETON AVE
INTERIOR REMODEL TO CREATE A BATHROOM, LAUNDRY ROOM AND WALKIN CLOSET WITHIN THE (E) SFD.
Bldg-Alter/Repair$10,000Sep 11, 2026
10340 N INDEPENDENCE AVE
1 bathroom(s).Bathroom remodel for residential buildings (no structural changes).Kitchen remodel for residential buildings (no structural changes).
Bldg-Alter/Repair$10,000Sep 10, 2026
9709 N OAKDALE AVE
Re-roof with Class A or B roof covering material weighing less than 6 pounds per sq. ft. over new solid sheathing 31 Squares. Class A roof covering is required within Very High Fire Hazard Severity Zone (VHFHSZ). For residential roof replacement > 50% of the total roof area, apply Cool Roof Product labeled and certified by Cool Roof Rating Council (CRRC). Cool Roof may be required for non-residential buildings per Title 24, Part 6, Section 141.0(b)2B.
Bldg-Alter/Repair$9,300Sep 8, 2026
9950 N TOPANGA CANYON BLVD #81
Window (7 ) and door (2 ) change-out (same size & type) for residential buildings. Dual glazing, labeled and certified by National Fenestration Rating Council (NFRC), is required for doors and windows replaced in all residential buildings, three stories or less, per Title 24, Part 6, Section 150.2(b) 1B.
Bldg-Alter/Repair$9,000Sep 9, 2026
11244 N SIERRA PASS PL
Window (3 ) and door (4 ) change-out (same size & type) for residential buildings. Dual glazing, labeled and certified by National Fenestration Rating Council (NFRC), is required for doors and windows replaced in all residential buildings, three stories or less, per Title 24, Part 6, Section 150.2(b) 1B.
Bldg-Alter/Repair$8,000Aug 27, 2026
10055 N GIERSON AVE
Re-roof with Class A or B roof covering material weighing less than 6 pounds per sq. ft. over existing solid sheathing 39 Squares. Class A roof covering is required within Very High Fire Hazard Severity Zone (VHFHSZ). For residential roof replacement > 50% of the total roof area, apply Cool Roof Product labeled and certified by Cool Roof Rating Council (CRRC). Cool Roof may be required for non-residential buildings per Title 24, Part 6, Section 141.0(b)2B.
Bldg-Alter/Repair$7,800Sep 2, 2026

Know about 91311's next permit the morning it is filed

This page is a snapshot, and Los Angeles publishes about nine days behind. Pulld watches 91311 and emails you every new permit matching your trade at 6am, so you are reading it before the owner has finished calling around.

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Source: City of Los Angeles Department of Building and Safety, via the city's open data portal. The city does not warrant the completeness or accuracy of these records, and neither do we. All Los Angeles zip codes.