Steven Wing Mou
- Listed as
- contractor, engineer
- Firm
- Design Heating & Air Conditioning Inc
- Based in
- San Jose
- On San Francisco permits
- May 2022 to Jun 2026
3 permits since 2000 (contractor on 3 permits, engineer on 2 permits): 1 completed, 2 in progress.
This is the city’s permit record, not a license check: the role and the number come from what was written on each permit (the number spelled one way). It does not show whether the license is current. Their ranked record as a contractor is on their contractor page. How to read these records
Most recent permits
| Filed | Outcome | Address | Contractor | Work described on the permit | Declared cost |
|---|---|---|---|---|---|
| Jun 26, 2026 | In progress issued Jun 2026 | 808 Brannan St | Design Heating & Air Conditioning Inc | demo existing ductwork and registers. reduct existing fancoil unit to serve new layout. furnish and install new return transfers. air balance exising registers ref pa 202605292118 & 202605292119Details
demo existing ductwork and registers. reduct existing fancoil unit to serve new layout. furnish and install new return transfers. air balance exising registers ref pa 202605292118 & 202605292119 | $45,000 |
| Jun 26, 2026 | In progress issued Jun 2026 | 572 07th St | Design Heating & Air Conditioning Inc | demo existing ductwork and registers. reduct existing fancoil unit to serve the new layout. furnish and install new return transfers. air balance existing registers ref pa 202605292118 & 202605292119Details
demo existing ductwork and registers. reduct existing fancoil unit to serve the new layout. furnish and install new return transfers. air balance existing registers ref pa 202605292118 & 202605292119 | $45,000 |
| May 10, 2022 | Completed final sign-off May 2023 | 417 Montgomery St | Rdl Construction, Inc., Design Heating & Air Conditioning Inc | disconnect and remove the (e) ac unit. furnish and install (1) new 20-ton rooftop ac-unit. disconnect and remove (3) (e) cooling tower. furnish and install (3) three cooling tower like for like.Details
disconnect and remove the (e) ac unit. furnish and install (1) new 20-ton rooftop ac-unit. disconnect and remove (3) (e) cooling tower. furnish and install (3) three cooling tower like for like. | $258,147 |