18000 W Devonshire St, Los Angeles
3 home-service permits on record at 18000 W Devonshire St, Los Angeles; the roof was last permitted on Aug 4, 2023 at a declared value of $19,400.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Aug 4, 2023 | Bldg-Alter/Repair: EPLAN Replacement of waste water treatment equipment at roof | Roofing | $19,400 | — | Finaled May 29, 2024 | 23016-20000-20904 |
| Aug 11, 2021 | Bldg-Alter/Repair: EXTERIOR AND INTERIOR ALTERATION TO ADD NEW RATED WALL AND SOFFIT FOR HOUSING HVAC DUCTS. NEW STRUCTUAL OPENING IN 2ND FLOOR AND ROOF DECK. ADD NEW HVAC EQUIPMENT ON TOP OF ROOF | Heating and cooling | $100,000 | — | Finaled May 20, 2022 | 21016-10000-08484 |
| Dec 21, 2020 | Bldg-Alter/Repair: Re-roof with Class A or B material weighing less than 6 pounds per sq. ft. over existing solid sheathing __2200__Squares. Class A roof covering is required within Very High Fire Hazard Severity Zone . For residential roof replacement > 50% of the total roof area, apply Cool Roof Product labeled and certified by Cool Roof Rating Council . Cool Roof may be required for non-residential buildings per Title 24, Part 6, Section 141.0 2B | Roofing | $550,000 | — | issued | 20016-30000-32694 |
On W Devonshire St
133 permits on record on W Devonshire St.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 104 | 35 | $5,000 | $3,650–$29,730 | Sep 23, 2026 |
| Heating and cooling | 13 | 5 | $12,250 | $8,600–$18,586 | Sep 18, 2025 |
| Plumbing | 10 | 3 | — | under 5 | Apr 21, 2026 |
| Electrical | 3 | 1 | — | under 5 | Sep 3, 2025 |
| Solar | 3 | 1 | — | under 5 | Jul 14, 2025 |
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.