Valerie Howerton
- Listed as
- architect, authorized agent-others, contractor, engineer
- Firm
- Columbia Mechanical Contractors
- Based in
- San Francisco
- On San Francisco permits
- Mar 2000 to Mar 2013
39 permits since 2000 (contractor on 34 permits, engineer on 6 permits, architect on 1 permit, authorized agent-others on 1 permit): 21 completed, 4 never finaled, 14 expired or cancelled.
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 |
|---|---|---|---|---|---|
| Mar 15, 2013 | Expired or cancelled expired Apr 2017 | 1098 Harrison St | Columbia Mechanical Contractors | install remote fan panel & provide internal lined ductwork for cyclone projector. cyclone projector to be provided by others. provide 2 window louvers for the exhaust & make up air for the above system. ti pa# 2013-0305-1558Details
install remote fan panel & provide internal lined ductwork for cyclone projector. cyclone projector to be provided by others. provide 2 window louvers for the exhaust & make up air for the above system. ti pa# 2013-0305-1558 | $7,000 |
| Nov 22, 2010 | Completed final sign-off Apr 2011 | 100 Bush St | Columbia Mechanical Contractors | suite 2180: add 1 chilled water fan coil unit to provide cooling to this spaceDetails
suite 2180: add 1 chilled water fan coil unit to provide cooling to this space | $34,500 |
| Nov 15, 2010 | Completed final sign-off Feb 2011 | 116 New Montgomery St | Columbia Mechanical Contractors | 4th floor - add ceiling supply diffusers for the new layout. add one vav box to the (e) air conditioning system. add osa & return air dampers to an existing supply air fan. t.i. appl #201008249427.note: existing fans exceed 2000cfm and must shut down per one of the required methods. field verify.Details
4th floor - add ceiling supply diffusers for the new layout. add one vav box to the (e) air conditioning system. add osa & return air dampers to an existing supply air fan. t.i. appl #201008249427.note: existing fans exceed 2000cfm and must shut down per one of the required methods. field verify. | $17,500 |
| Nov 15, 2010 | Completed final sign-off Feb 2011 | 116 New Montgomery St | Columbia Mechanical Contractors | 3rd floor - replace one broken supply fan with a new one & one vav box & outside air ductwork to the (e) air conditioning unit. add supply air diffusers for the enw layout. t.i. appl #201008249427.Details
3rd floor - replace one broken supply fan with a new one & one vav box & outside air ductwork to the (e) air conditioning unit. add supply air diffusers for the enw layout. t.i. appl #201008249427. | $17,500 |
| Sep 13, 2010 | Never finaled issued Sep 2010, no final | 345 Stockton St | Columbia Mechanical Contractors | installing sprinklers in staircases on 35th , 36th & 37th floors. total of 6 sprinkler heads.Details
installing sprinklers in staircases on 35th , 36th & 37th floors. total of 6 sprinkler heads. | $10,000 |
| Dec 16, 2009 | Completed final sign-off Jan 2012 | 345 Stockton St | Columbia Mechanical Contractors | 2nd floor basement - installing sprinklers in electrical closet & on top of staircase.Details
2nd floor basement - installing sprinklers in electrical closet & on top of staircase. | $15,000 |
| May 2, 2008 | Completed final sign-off Jun 2008 | 3 Embarcadero Center | Merrcon Inc. | lobby level: life safety work for new retail space and fire alarm system - add strobes, speakers and pull station, arch pa #200802215230.Details
lobby level: life safety work for new retail space and fire alarm system - add strobes, speakers and pull station, arch pa #200802215230. | $70,000 |
| Apr 23, 2008 | Completed final sign-off Jun 2008 | 3 Embarcadero Center | Merrcon Inc. | lobby level-electrical, mechanical, plumbing work for new retail space, architectural pa# 200802215230; 1147631Details
lobby level-electrical, mechanical, plumbing work for new retail space, architectural pa# 200802215230; 1147631 | $70,000 |
| Dec 7, 2007 | Completed final sign-off Feb 2008 | 71 Stevenson St | Columbia Mechanical Contractors | 9th floor: one new heat pump for the communicaiton room, seven new vav boxes, three of them had heating coils, one new exhaust fan for the transformer room, add & relocate supply & return grilles.Details
9th floor: one new heat pump for the communicaiton room, seven new vav boxes, three of them had heating coils, one new exhaust fan for the transformer room, add & relocate supply & return grilles. | $125,000 |
| Oct 19, 2007 | Completed final sign-off Dec 2007 | 388 Market St | Paradigm General Contractors | 9th floor-install new vav #5 in suite 950.Details
9th floor-install new vav #5 in suite 950. | $12,000 |
| Aug 27, 2007 | Completed final sign-off Nov 2007 | 1 Embarcadero Center | D Kelly Construction Inc. | 24th floor-relocate 4 sprinklers & add 1 headDetails
24th floor-relocate 4 sprinklers & add 1 head | $2,500 |
| Dec 27, 2006 | Expired or cancelled expired Mar 2011 | 1735 Mission St | Columbia Mechanical Contractors | add one portable air conditioner to the telecom room, add one exhaust duct to the low roof. for mep only.Details
add one portable air conditioner to the telecom room, add one exhaust duct to the low roof. for mep only. | $8,000 |
| Apr 11, 2006 | Completed final sign-off Jun 2006 | 1 Sansome St | Columbia Mechanical Contractors | oti-4 10th fl meDetails
oti-4 10th fl me | $15,000 |
| Apr 11, 2006 | Completed final sign-off Jun 2006 | 1 Sansome St | Columbia Mechanical Contractors | oti-4 10 th fl meDetails
oti-4 10 th fl me | $11,500 |
| Mar 17, 2006 | Completed final sign-off May 2006 | 1255 Battery St | Columbia Mechanical Contractors | oti-3 3rd/fl- spDetails
oti-3 3rd/fl- sp | $6,600 |
| Mar 17, 2006 | Completed final sign-off Feb 2007 | 1255 Battery St | Columbia Mechanical Contractors | oti-3 5th/fl sp.Details
oti-3 5th/fl sp. | $2,600 |
| Aug 20, 2004 | Completed final sign-off Sep 2004 | 100 Bush St | Columbia Mechanical Contractors | oti -2 (4th fl) spDetails
oti -2 (4th fl) sp | $10,000 |
| Mar 12, 2004 | Never finaled issued Mar 2004, no final | 114 Sansome St | Columbia Mechanical Contractors | renew for final 200211121143. 9th floorDetails
renew for final 200211121143. 9th floor | |
| Oct 7, 2003 | Completed final sign-off Oct 2003 | 620 Davis St | Columbia Mechanical Contractors | relocate 13 sprinkler heads, add 5 new sprinkler heads & plug 4 (e)sprinkler heads, 4 of the 5 newDetails
relocate 13 sprinkler heads, add 5 new sprinkler heads & plug 4 (e)sprinkler heads, 4 of the 5 new | $3,000 |
| Jun 20, 2003 | Never finaled issued Jun 2003, no final | 560 Davis St | Columbia Mechanical Contractors | replace a4 sprinkler heads existing sprinkler heads has a k factor of 56 with a 1/2" orificeDetails
replace a4 sprinkler heads existing sprinkler heads has a k factor of 56 with a 1/2" orifice | $1,000 |
| Apr 10, 2003 | Expired or cancelled expired Dec 2008 | 1155 Battery St | Columbia Mechanical Contractors | relocate one sprinkler head and add one new sprinkler headDetails
relocate one sprinkler head and add one new sprinkler head | $1,000 |
| Feb 21, 2003 | Completed final sign-off Apr 2003 | 101 California St | Columbia Mechanical Contractors | oti-2, 43rd fl, sp.Details
oti-2, 43rd fl, sp. | $1,000 |
| Jan 29, 2003 | Expired or cancelled expired Jan 2004 | 101 California St | Columbia Mechanical Contractors | relocate 4 sprinkler heads in men's & women's bathrms - 17th flrDetails
relocate 4 sprinkler heads in men's & women's bathrms - 17th flr | $1,000 |
| Jan 22, 2003 | Completed final sign-off Jun 2003 | 100 Bush St | Columbia Mechanical Contractors | oti-2 2nd floor, meDetails
oti-2 2nd floor, me | $45,000 |
| Jan 13, 2003 | Completed final sign-off Mar 2003 | 1 Embarcadero Center | Columbia Mechanical Contractors | oti-3, 24th floor, spDetails
oti-3, 24th floor, sp | $5,000 |
| Nov 18, 2002 | Expired or cancelled expired Feb 2004 | 114 Sansome St | Columbia Mechanical Contractors | adding new fire sprinkler system from exist fire sprk riser. 13th floor-72 headsDetails
adding new fire sprinkler system from exist fire sprk riser. 13th floor-72 heads | $19,000 |
| Nov 12, 2002 | Expired or cancelled expired Jan 2005 | 114 Sansome St | Columbia Mechanical Contractors | oti-2 9th floor spDetails
oti-2 9th floor sp | $22,500 |
| Nov 8, 2002 | Completed final sign-off Jan 2003 | 1375 Sutter St | relocate existing hvac vents,install activated dampersDetails
relocate existing hvac vents,install activated dampers | $10,000 | |
| Oct 24, 2002 | Completed final sign-off Oct 2002 | 388 Market St | Columbia Mechanical Contractors | relocating eight (8) fire sprinkler heads and adding two new fire sprinkler headsDetails
relocating eight (8) fire sprinkler heads and adding two new fire sprinkler heads | $3,600 |
| Jun 12, 2002 | Never finaled issued Jun 2002, no final | 5 Embarcadero Center | Columbia Mechanical Contractors | furnish & install exhaust system for a type 2 kitchen hood,furnish & install a make up air fan & filDetails
furnish & install exhaust system for a type 2 kitchen hood,furnish & install a make up air fan & fil | $9,000 |
| Sep 14, 2001 | Expired or cancelled expired Jan 2002 | 505 Sansome St | Columbia Mechanical Contractors | relocate 2 sprinkler headsDetails
relocate 2 sprinkler heads | $500 |
| May 7, 2001 | Expired or cancelled expired Dec 2001 | 151 Union St | Columbia Mechanical Contractors | install new pre-action system in 2 rooms in middle of 1/fl. relocate & install new heads on (e) sys.Details
install new pre-action system in 2 rooms in middle of 1/fl. relocate & install new heads on (e) sys. | $25,000 |
| Feb 7, 2001 | Expired or cancelled expired Aug 2003 | 595 Market St | Columbia Mechanical Contractors | add 6 new fire sprinkler heads & relocate 13 (e) fire sprinkler heads, all new rooms are coveredDetails
add 6 new fire sprinkler heads & relocate 13 (e) fire sprinkler heads, all new rooms are covered | $6,000 |
| Dec 15, 2000 | Expired or cancelled expired Aug 2003 | 71 Stevenson St | Columbia Mechanical Contractors | add 2 vav boxes and supply/return diffusers as the space is being remodelDetails
add 2 vav boxes and supply/return diffusers as the space is being remodel | $8,200 |
| Jul 24, 2000 | Expired or cancelled expired Nov 2000 | 36 05th St | Columbia Mechanical Contractors | relocate havc diffusers and add two new sprinklers heads to office spaceDetails
relocate havc diffusers and add two new sprinklers heads to office space | $2,500 |
| Jun 16, 2000 | Expired or cancelled expired Dec 2000 | 410 Jessie St | Columbia Mechanical Contractors | add:air conditioning unit to comperter server roomDetails
add:air conditioning unit to comperter server room | $8,000 |
| Jun 15, 2000 | Expired or cancelled expired Oct 2000 | 345 Stockton St | Columbia Mechanical Contractors | add: sprinkler heads to soffitts in ada bathrm (7, 20, 22, 26, 28, 30, 31 & 32)Details
add: sprinkler heads to soffitts in ada bathrm (7, 20, 22, 26, 28, 30, 31 & 32) | $5,000 |
| Apr 28, 2000 | Completed final sign-off Feb 2001 | 800 Sutter St | Columbia Mechanical Contractors | install a kitchen exhaust system for a medium temperature type 1 hoodDetails
install a kitchen exhaust system for a medium temperature type 1 hood | $20,000 |
| Mar 14, 2000 | Expired or cancelled expired Sep 2000 | 460 Bush St | Columbia Mechanical Contractors | rework existing fire sprinkler systemDetails
rework existing fire sprinkler system | $6,000 |