Richard Lam
- Listed as
- engineer
- Firm
- Promethean Mechanical
- Based in
- Sunnyvale
- On San Francisco permits
- Jun 2023 to May 2026
7 permits since 2000 (engineer on 7 permits): 4 completed, 3 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. How to read these records
Most recent permits
| Filed | Outcome | Address | Contractor | Work described on the permit | Declared cost |
|---|---|---|---|---|---|
| May 14, 2026 | In progress filed May 2026, not yet issued | 33 New Montgomery St | Legacy Mechanical & Energy Services, Inc | 1. modify the central cooling plant. 2. existing chillers will be demolished, and new chillers will be installed. 3. cooling tower vibration isolation springs on the roof will be replaced.Details
1. modify the central cooling plant. 2. existing chillers will be demolished, and new chillers will be installed. 3. cooling tower vibration isolation springs on the roof will be replaced. | $1,693,726 |
| Mar 24, 2026 | Completed final sign-off Jul 2026 | 201 Spear St | Hathaway Dinwiddie Co. | deferred mep for office ti permit 202603036821. spec suites 250 and 270.Details
deferred mep for office ti permit 202603036821. spec suites 250 and 270. | $200,000 |
| Mar 6, 2026 | In progress issued Apr 2026 | 150 Oak St | Related California Construction Llc | mechanical energy compliance update to issued pa# 2025-09-09-4851. previously, the project pursued the prescriptive approach & has switched gears to performance approach for mechanical title-24 building energy compliance. no associated increase to student population.Details
mechanical energy compliance update to issued pa# 2025-09-09-4851. previously, the project pursued the prescriptive approach & has switched gears to performance approach for mechanical title-24 building energy compliance. no associated increase to student population. | |
| Feb 26, 2026 | In progress issued Mar 2026 | 33 08th St | Northern Sun Associates | tenant improvement including non-structural wall partitions, plumbing, lighting, mechanical, and finishes.Details
tenant improvement including non-structural wall partitions, plumbing, lighting, mechanical, and finishes. | $190,000 |
| Feb 20, 2026 | Completed final sign-off Jul 2026 | 201 Spear St | Bradshaw Group Inc | ground fl: tenant improvement for existing coffee shop. update service & customer areas, update (e) single occupant restroom to bring entire space to full access compliance. new mep systems. no change of use, occupancy or exterior work.Details
ground fl: tenant improvement for existing coffee shop. update service & customer areas, update (e) single occupant restroom to bring entire space to full access compliance. new mep systems. no change of use, occupancy or exterior work. | $250,000 |
| Nov 6, 2025 | Completed final sign-off Mar 2026 | 2 Embarcadero Center | Bay City Mechanical Inc | 3rd floor: hvac work including installation of 4 fan coil units and 1 supply for the atrium area(front) of the 3rd floor. this will include new electrical under different permit/contrators) not moving existing walls, no seismic retrofit, accessible entrance and legalizing a unit.ref# 202403188032Details
3rd floor: hvac work including installation of 4 fan coil units and 1 supply for the atrium area(front) of the 3rd floor. this will include new electrical under different permit/contrators) not moving existing walls, no seismic retrofit, accessible entrance and legalizing a unit.ref# 202403188032 | $55,009 |
| Jun 9, 2023 | Completed final sign-off Oct 2025 | 335 Powell St | Emcor Services/Mesa Energy Systems Inc | replace 3 outdoor air handler units including new connecting ductwork in-kind.Details
replace 3 outdoor air handler units including new connecting ductwork in-kind. | $840,000 |