Ace Drilling & Excavation
License #889820 · activelicensed since 2007A, Bbased in San Franciscobond $25kworkers’ comp: carriernot on Yelp
Named as contractor on 3 ADU projects in San Francisco (and 25 permits of any kind). Verify at CSLB before hiring.
ADU projects
3
3 ground-floor conversion
Declared cost (middle half)
$20k
median $20k
Build time
2 years 4 months
median, issued → completed
Open · finished
1 · 2
Their ADU projects
- 9A Joy StBernal HeightsConverted · ground-floor conversionPermit issued, in progress7 permitsdeclared $20kfiled Nov 2020permit 1 year 5 months4 years 7 months since issueADU permit 202011199290 · city record · flagged ADU by SF DBI
- 15A Joy StBernal HeightsConverted · ground-floor conversionCompleted8 permitsdeclared $20kfiled Nov 2020permit 1 year 5 monthsbuilt 2 years 5 months · done Aug 2024ADU permit 202011199289 · city record · flagged ADU by SF DBI
- 21A Joy StBernal HeightsConverted · ground-floor conversionCompleted8 permitsdeclared $20kfiled Nov 2020permit 1 year 5 monthsbuilt 2 years 3 months · done Jul 2024ADU permit 202011199288 · city record · flagged ADU by SF DBI
Each row is one project: the ADU permit plus its revisions, sub-permits and trade permits. Dates are the city’s.