3121 W 3rd St, Los Angeles
1 home-service permit on record at 3121 W 3rd St, Los Angeles; the roof was last permitted on May 10, 2021 at a declared value of $2,000.
Home-service permits on record at this address
| Issued | Work | Trade | Declared value | Contractor as filed | Status | Permit |
|---|---|---|---|---|---|---|
| May 10, 2021 | Bldg-Alter/Repair: Reroof with 10 sqrs COMP SHINGLE roofing. Existing 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 | $2,000 | — | issued | 21016-90000-12024 |
On W 3rd St
68 permits on record on W 3rd St.
| Trade | Permits | Since Oct 3, 2024 | Median declared | Range | Last |
|---|---|---|---|---|---|
| Roofing | 55 | 19 | $7,500 | $2,140–$93,000 | Sep 24, 2026 |
| Heating and cooling | 8 | 3 | — | under 5 | Sep 23, 2026 |
| Plumbing | 2 | 1 | — | under 5 | Sep 22, 2026 |
| Electrical | 2 | 0 | — | under 5 | May 4, 2023 |
| Solar | 1 | 1 | — | under 5 | Jan 20, 2026 |
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.