18645 W Knapp St, Los Angeles
2 home-service permits on record at 18645 W Knapp St, Los Angeles; no roofing permit on record.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Jun 2, 2025 | Bldg-Alter/Repair: Re-plaster existing swimming pool (a separate express mechanical permit for new skimmer and a separate express electrical permit for new pool luminaire is required, when applicable, except for one and two family dwelling) | Electrical | $501 | — | Finaled Jun 26, 2025 | 25016-90000-17776 |
| Jun 2, 2025 | Bldg-Alter/Repair: 8 window . Window and door change-out (same size & type) for residential buildings. Dual glazing, labeled and certified by National Fenestration Rating Council , is required for doors and windows replaced in all residential buildings, three stories or less, per Title 24, Part 6, Section 150.2 1B.Re-stucco for residential buildings. Area = 400 sqft.3 bathroom .Bathroom remodel for residential buildings .Kitchen remodel for residential buildings | Heating and cooling | $27,200 | — | Finaled Sep 17, 2025 | 25016-90000-17768 |
On W Knapp St
40 permits on record on W Knapp St.
| Trade | Permits | Since Oct 5, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 30 | 10 | $6,700 | $5,120–$22,260 | Sep 21, 2026 |
| Heating and cooling | 8 | 7 | $2,500 | $501–$21,050 | Sep 17, 2026 |
| Electrical | 2 | 1 | — | under 5 | Jun 2, 2025 |
Roof replacement cost in Los Angeles
Across 20,582 one- and two-family reroof permits since October 5, 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. This address is in that cohort. Every permit behind that range.
Furnace, heat pump or air conditioner replacement cost in Los Angeles
Across 5,307 one- and two-family heating and cooling permits since October 5, 2024, most declared values run from $501 to $39,118 (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. This address is in that cohort. 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 5, 2026. Owner names are not shown on any page.