Updated: Jun 02, 2026
Location and Projects
Address
1613 MONTALTO DRIVE, Mountain View, CA, 94040
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Keystone Enterprises PCC Construction
Keystone Enterprises PCC Inc at 1613 MONTALTO DRIVE, Mountain View, CA 94040, held a General Contractor license (#683336) with the California contractors license board with an expiration date of 12-31-2007. We last verified the license was expired on 12-14-2025.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Keystone Enterprises PCC Inc Services
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Keystone Enterprises PCC Inc Contact Information
Phone Number: (650) 207-4694
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Address: 1613 MONTALTO DRIVE, Mountain View, CA 94040
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Building Permits by Keystone Enterprises PCC Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Fire damage repair (less than 10%) of (e) roof fire cut 2nd floor charred plywd. sistering damaged rf rafters & floor joist and replace damaged rf eave per engineered plans. tear off (e) roofing and re-roof w asphalt shingles 46 squares
Valuation:
N/A
Permit #:
03016-20000-02347
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace floor joists and decking at two 7'-8 x 27'-11 pedestrian bridges between building f and parking garage and between building f and building g. existing posts and beams to remain. remove and replace existing guardrail
Valuation:
N/A
Permit #:
01016-30000-23340
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit for additional work (water damage). remove and replace stucco 4 ft. up. install new flashings and water proof wall. install new tie downs for (1) wall. (no structural damage)
Valuation:
N/A
Permit #:
03016-10001-15228
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace (e) wood ceiling joists with metal joists at (e) bridge connecting to (e) buildings together and re-stucco under the bridge (the joists are not supporting the bridge just the stucco)
Valuation:
N/A
Permit #:
03016-30000-18698
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace (e) wood ceiling joists with metal joists at (e) bridge connecting to (e) buildings together and re-stucco under the bridge (the joists are not supporting the bridge just the stucco)
Valuation:
N/A
Permit #:
03016-30000-18695
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace (e) wood ceiling joists with metal joists at (e) bridge connecting to (e) buildings together and re-stucco under the bridge (the joists are not supporting the bridge just the stucco)
Valuation:
N/A
Permit #:
03016-30000-18642
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Fire damage repair (less than 10 percent) - insulation drywall reroof with 25 squares. of class a comparable shingles - double up rafters (smoke detectors and e.q. shut-off valve required
Valuation:
N/A
Permit #:
04016-20000-09214
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Fire damage repair (maximum 10% no structural). replace 6 squares. of class a comparable. shingles and replace drywall. replace related plumbing. valuation to be verified by field inspector
Valuation:
N/A
Permit #:
02016-20000-22923
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace water damaged drywall and widen opening between (e) dining room & kitchen on 1st floor and remove wall in 2nd floor study.remove one of two interior stairs.interior work only
Valuation:
N/A
Permit #:
05016-20000-00058
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Water damage repair less than 10% (replace floor tile replace rafters same as original). valuation to be verified by field inspector. earth quake shutoff valve required
Valuation:
N/A
Permit #:
03016-20000-17927
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Water damage repair (maximum 10% no structural) including installing insulation replace drywall flooring. valuation to be verified by field inspector
Valuation:
N/A
Permit #:
05016-20000-02725
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Chimney work - replace damaged drywall reinforce conc. bond beam 6"-8 thick to remain approved factory built wook burning fireplace assemb. integrated
Valuation:
N/A
Permit #:
03016-10000-24247
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Repair fire damage in kitchen & water/smoke damage in dining room. and interior tenant improvement. of kitchen and bakery areas (max. 201 seats in dining area)
Valuation:
N/A
Permit #:
02016-20000-19624
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Fire repair: to damaged roof frmg. in bedroom # 1 provide new drywall & finishes to wall & clg. replace damaged doors & windows. less than 10%
Valuation:
N/A
Permit #:
03016-10000-04092
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Fire loss repair pa1 car shop in rear garage and applicable upgrades to code. replace cut all damaged sheating also. - - repair fire damage: less than 50 damage (+28.0%). repair to the same size location style color material and height
Valuation:
N/A
Permit #:
BB20032110
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Repair water damage @ kitchen and dining room. repair drop ceilings (less than 10% damage). enlarge (e) bedroom closet (non-bearing)
Valuation:
N/A
Permit #:
05016-20000-06148
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Revise 02016-20000-19624 - omit metal canopy and modify parapet (kallwall canopy system will be a future submittal under separate permit)
Valuation:
N/A
Permit #:
02016-20002-19624
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Commercial minorepair - minor repairs. replace damaged drywall lath & stucco from motor vehicle accident (no pme structural only)
Valuation:
$1,900
Permit #:
H03-080-074
Status:
history
Fee:
N/A
Permit Type:
Value
Building Type:
N/A
Early start permit: remove non-bearing partitions & ceilings @ jerry's deli *additional tenant improvement. permits req'd to address h/c compliance*
Valuation:
N/A
Permit #:
02016-20000-20304
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Repair water damage (less than 10%) drywall and insulation. no structural changes. valuation to be verified by the field inspector
Valuation:
N/A
Permit #:
05016-20000-10271
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
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Keystone Enterprises PCC Inc Reviews
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Keystone Enterprises PCC Inc License info
Inactive License
| License # | 683336 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Keystone Enterprises PCC Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 898015 |
| Status | Inactive |
| State | California |
| Type | Concrete Related Services |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Keystone Enterprises PCC Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are Keystone Enterprises PCC Inc, click “This is My Business” to update your information.
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $12,500 |
Insured
| Workers Comp Provider | Preferred Employers Insurance Company |
52
Permits
- Building permit records show that Keystone Enterprises PCC Inc has worked on 52 permitted projects.
Keystone Enterprises PCC Inc Employees
KY
Kevin Theodore Yocum
Rmo
NY
Naomi Winkler Yocum
Officer
TF
Thomas Riley Frankum
Sole Owner