21720 W Hart St, Los Angeles
2 home-service permits on record at 21720 W Hart St, Los Angeles; the roof was last permitted on Nov 16, 2025 at a declared value of $3,600.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Nov 16, 2025 | Bldg-Alter/Repair: Re-roof with Class A or B roof covering material weighing less than 6 pounds per sq. ft. over new solid sheathing 12 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 unit 1 | Roofing | $3,600 | — | Finaled Aug 17, 2026 | 25016-90000-33863 |
| May 4, 2020 | Bldg-Alter/Repair: 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 Section 152 of Title 24 unit 20 | Heating and cooling | $2,500 | — | Finaled Apr 12, 2022 | 20016-40000-09156 |
On W Hart St
122 permits on record on W Hart St.
| Trade | Permits | Since Oct 7, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 97 | 43 | $5,500 | $3,000–$14,730 | Sep 14, 2026 |
| Heating and cooling | 15 | 3 | — | under 5 | Jul 30, 2026 |
| Electrical | 4 | 1 | — | under 5 | Dec 1, 2025 |
| Plumbing | 3 | 0 | — | under 5 | Oct 20, 2022 |
| Solar | 2 | 1 | — | under 5 | May 1, 2025 |
| Water heater | 1 | 1 | — | under 5 | Oct 10, 2025 |
Roof replacement cost in Los Angeles
Across 20,947 one- and two-family reroof permits since October 7, 2024, most declared values run from $2,000 to $12,900 (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 5,341 one- and two-family heating and cooling permits since October 7, 2024, most declared values run from $501 to $39,220 (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 7, 2026. Owner names are not shown on any page.