4521 S 4th Ave, Los Angeles
1 home-service permit on record at 4521 S 4th Ave, Los Angeles; the roof was last permitted on Feb 3, 2020 at a declared value of $6,900.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| Feb 3, 2020 | Bldg-Alter/Repair: Reroof with 23 sqrs COMP SHINGLE roofing over new solid sheathing.Re-roof with Class A or B material weighing less than 6 pounds per sq. ft. 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 149 | Roofing | $6,900 | — | Finaled Feb 20, 2020 | 20016-90000-03200 |
On S 4th Ave
148 permits on record on S 4th Ave.
| Trade | Permits | Since Oct 2, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 113 | 37 | $5,000 | $2,000–$18,000 | Sep 17, 2026 |
| Heating and cooling | 21 | 7 | $6,000 | $501–$18,400 | Jan 15, 2026 |
| Plumbing | 8 | 4 | — | under 5 | Jul 21, 2026 |
| Solar | 4 | 1 | — | under 5 | Nov 19, 2025 |
| Water heater | 1 | 0 | — | under 5 | May 16, 2024 |
| Electrical | 1 | 0 | — | under 5 | May 18, 2021 |
Roof replacement cost in Los Angeles
Across 20,726 one- and two-family reroof permits since October 2, 2024, most declared values run from $2,000 to $12,990 (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 5,345 one- and two-family heating and cooling permits since October 2, 2024, most declared values run from $501 to $39,001 (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 2, 2026. Owner names are not shown on any page.