Location and Projects
Address
3247 Grand Ave, Oakland, CA, 94610
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Hammer Construction Engineer
Hammer Construction, 3247 Grand Ave, Oakland, CA (Owned by: Darrell Scott Hammer) holds a General Building license and 6 other licenses according to the California license board.
Their BuildZoom score of 107 ranks in the top 6% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hammer Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Hammer Construction Services
Start a project today:
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Framing
Wood Fences
Drywall
Interior Plaster
Seismic Retrofit
Gutters and Flashing
Industrial Renovation
Hotel Renovation
Warehouse Renovation
Small Multi-Family Remodel ...
Whole Home Remodel
Attic Remodel
Single Room Remodel
Cosmetic Remodel
Large Multi-Family Remodel ...
Healthcare Facility Renovation
Hammer Construction Contact Information
Phone Number: (510) 228-8832
Address: 3247 Grand Ave, Oakland, CA 94610
Hammer Construction Oakland
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Hammer Construction has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
2 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Hammer Construction has worked on at least
8.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
$5k-$20k |
|
1 project
|
$50k-$100k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Supplemental to 20016-10000-25639: replace pad footings replace ceiling joist and addition (n) beam. addition wood deck. remove unpermitted laundry room at rear
Valuation:
$20,000
Permit #:
20016-10001-25639
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Commercial: limited review - electrical mechanical plumbing reroof etc
2020-09-03
This is not a re-roof repair of felt and battens under small area of tile roof. remove existing tile on a portion of the roof a 3020 square foot area on the south side fronting professional drive. remove and replace felt and battens. if dry rot is found it will be removed and the structure returned to original design. use reinstall existing tile
Valuation:
$35,000
Permit #:
BLD20-01923
Status:
complete
Fee:
$281
Permit Type:
Alteration
Building Type:
N/A
Mid-city city heights: building mechanical electrical plumbing permit for interior and exterior remodel of an existing 16 apartments building scope to include repair and replace plumbing electrical and mechanical installations, new non-bearing walls new exterior fence and gate new proposed walkway. rm-1-1 geo 53 cupd-boundary taoz. ced # 237274
Valuation:
N/A
Permit #:
2344551
Status:
issued
Fee:
$13,638
Permit Type:
Add/alt 3+ no chg du
Building Type:
N/A
Mid-city city heights: building mechanical electrical plumbing permit for interior and exterior remodel of an existing 16 apartments building scope to include repair and replace plumbing electrical and mechanical installations, new non-bearing walls new exterior fence and gate new proposed walkway. rm-1-1 geo 53 cupd-boundary taoz. ced # 237274
Valuation:
N/A
Permit #:
2344550
Status:
issued
Fee:
$13,638
Permit Type:
Add/alt 3+ no chg du
Building Type:
N/A
Residential: full review - additions accessory structures pools demolish generators and other
2023-10-25
New addition covered porch off kitchen 93 sq.ft partially covered breezeway 212 sq.ft electrical connecting detached garage to house detached garage on bgar 23775.06 ____________________________________________________________________________ per rw correction notice: revision reroof entire house 12-19-2022 cv have cf2-alt-05-e on site
Valuation:
$11,883
Permit #:
BLD22-05122
Status:
complete
Fee:
$317
Permit Type:
Addition
Building Type:
N/A
Commercial: limited review (electrical mechanical plumbing reroof etc)
2018-02-21
Roof repairs for 3 different sections (map included) to repair and replace felt batts as needed to stop leaks applicant will be phasing this project by section a b & c most likely there will be two inspections for section a two inspections for section b and one inspection for section c they will remove and stack tile to make repairs and then reinstall tile once repairs have been made
Valuation:
$26,000
Permit #:
BLD18-00723
Status:
complete
Fee:
$801
Permit Type:
Alteration
Building Type:
N/A
Bathroom remodel/instl bathroom fix/rmv bathroom addition shwr/retl
Valuation:
N/A
Permit #:
REAL21-05640
Status:
final
Fee:
$328
Permit Type:
N/A
Building Type:
N/A
Approval - construction - right of way pmt-const plan
2024-03-20
Right of way permit needed to proposed new water service and meter
Valuation:
N/A
Permit #:
PMT-3273008
Status:
issued
Fee:
$1,978
Permit Type:
N/A
Building Type:
N/A
Peninsula. demolition permit for 2 single family dwelling units. house 1 (3026 fenelon) : one bedroom 565sf. house 2 (3020 fenelon) : one bedroom 548sf. historic cleared under pts # 487552 zone: rm-3-7 geo haz 52
Valuation:
N/A
Permit #:
1921379
Status:
complete
Fee:
$778
Permit Type:
Demolish of 1 fam...
Building Type:
N/A
Peninsula. demolition permit for 2 single family dwelling units. house 1 (3026 fenelon) : one bedroom 565sf. house 2 (3020 fenelon) : one bedroom 548sf. historic cleared under pts # 487552 zone: rm-3-7 geo haz 52
Valuation:
N/A
Permit #:
1921338
Status:
complete
Fee:
$778
Permit Type:
Demolish of 1 fam...
Building Type:
N/A
Master bathroom remodel only
Valuation:
$25,000
Permit #:
BP-2022-23425
Status:
expired
Fee:
N/A
Permit Type:
Single family res...
Building Type:
N/A
Approval - construction - right of way pmt-const plan
2023-08-01
Right of way permit needed for proposed cut and cap existing gas service per sdge service order# 300000392574
Valuation:
N/A
Permit #:
PMT-3216372
Status:
issued
Fee:
$868
Permit Type:
N/A
Building Type:
N/A
Approval - construction - right of way pmt-const plan
2023-04-14
Right of way permit needed to proposed 1 water service new water meter and kill service and remove existing water meter
Valuation:
N/A
Permit #:
PMT-3202425
Status:
issued
Fee:
$2,352
Permit Type:
N/A
Building Type:
N/A
Right of way permit needed to proposed 1 water service new water meter and kill service and remove existing water meter
Valuation:
N/A
Permit #:
PRJ-1081828
Status:
issued
Fee:
$1,853
Permit Type:
N/A
Building Type:
N/A
Pds minor residential grading - plan check-permit
2019-06-19
Cross street: woods valley rd description of work: minor grading for pds2019-respri-000073 {1200 sqft m.h on private lot (spa 24-3f)}
Valuation:
$121,812
Permit #:
PDS2019-RESGRD-000056
Status:
complete
Fee:
$1,527
Permit Type:
N/A
Building Type:
N/A
Southeastern san diego; demolition/removal permit for the complete removal of an existing (844 sf) 2-bedroom single-story sdu
Valuation:
N/A
Permit #:
PMT-3255785
Status:
complete
Fee:
$365
Permit Type:
N/A
Building Type:
N/A
Replace hot/cold pipes due to pin hole leaks
Valuation:
N/A
Permit #:
PLBG21-05284
Status:
final
Fee:
$227
Permit Type:
plumbing
Building Type:
N/A
Exhaust fans & fireplace. reference w #14042-10000-09931 for 2nd trade
Valuation:
N/A
Permit #:
14044-10000-04998
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Non-dce-standard- standalone:3171/k
Valuation:
N/A
Permit #:
PRJ-1107884
Status:
filed
Fee:
$1,885
Permit Type:
N/A
Building Type:
N/A
Right of way permit needed for proposed cut and cap existing gas service per sdge service order# 300000392574
Valuation:
N/A
Permit #:
PRJ-1090602
Status:
final
Fee:
$1,461
Permit Type:
N/A
Building Type:
N/A
Hammer Construction Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Hammer Construction License info
Verified License
| License # | 1038397 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Hammer Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 950985 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Hammer Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 626107 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Hammer Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 642039 |
| Status | Active |
| State | California |
| Type | General Engineering, Concrete |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Hammer Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 348296 |
| Status | Inactive |
| State | California |
| Type | General Engineering |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Hammer Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 251101 |
| Status | Inactive |
| State | California |
| Type | General Building, Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Hammer Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 844463 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Hammer Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
100
Permits
- Building permit records show that Hammer Construction has worked on 100 permitted projects.
Hammer Construction Employees
DH
Darrell Scott Hammer
Owner
EG
Eddy Fernando Gonzalez
Sole Owner
JH
James Bernhard Hammer
Sole Owner
LH
Leilani J Hammer
Continuance
RH
Rick Wesley Hammer
Sole Owner
RA
Roberto Lopez Arizaga
Sole Owner
SA
Stephen Balfour Askin
Rmo
TA
Thorin Jay Askin
Ceo / President