Updated: May 28, 2026
Location and Projects
Address
21634 REDWOOD RD UNIT F, Castro Valley, CA, 94546
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ABR Construction
ABR Co, 21634 Redwood Rd, Castro Valley, CA (Employees: Mason Michael Johnson and William Christian Johnson) holds a General Building, Electrical, Landscaping, Solar, Pool And Spa Maintenance license and 2 other licenses according to the California license board.
Their BuildZoom score of 98 ranks in the top 16% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring ABR Co, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
ABR Co Services
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ABR Co Contact Information
Phone Number: (916) 961-9305
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Address: 21634 REDWOOD RD UNIT F, Castro Valley, CA 94546
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ABR Co Castro Valley
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
ABR Co has a BuildZoom score of 98, which places them above 84% of 336,931 contractors in California.
Activity
|
1 project
|
2026 |
|
5 projects
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that ABR Co has worked on at least
7.0 projects over the past 2 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
|
3 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
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.
Repairs including replacing windows or siding fire or other repairs
2025-07-08
Removal and disposal of existing siding plus (1) window down to the bare wood substrate or framing ensuring that the surface is properly prepared for the installation of new james hardie fiber-cement siding. install new underlayment and flashing as required for the proper installation of siding. install new window with proper waterproofing and flashing. remove & replace all gutters wi... see more
Valuation:
$21,840
Permit #:
CBRR2025-00666
Status:
final
Fee:
$549
Permit Type:
N/A
Building Type:
N/A
Demolish old fence and remove debris from the job site. install new trex fencing to manufactors specification. fence in back will be 25ft x 6ft tall and fence at right side of property is 12ft x 8ft tall
Valuation:
$12,000
Permit #:
202507080351
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Unit 202: bathroom remodel to include electrical and plumbing. hoa will complete drywall waterproofing subfloors and flooring install
Valuation:
$30,192
Permit #:
202509165411
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Extend gas line for fire pit and bbq
Valuation:
N/A
Permit #:
BLD2025-00141
Status:
issued
Fee:
$276
Permit Type:
N/A
Building Type:
N/A
Bathroom remodel recessed lighting cable wire outlets smoke detectors
Valuation:
N/A
Permit #:
E202509225812
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Unit 202: revision to permit 202509165411 to include installation of drywall subflooring and flooring
Valuation:
$10,292
Permit #:
202509225817
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Fence wall pavers turf
Valuation:
$9,000
Permit #:
BR24-270
Status:
issued
Fee:
$501
Permit Type:
Construction only
Building Type:
N/A
Bathroom plumbing
Valuation:
N/A
Permit #:
PP20250922813
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvements alterations kitchen/bath remodels for apartments or condos electric vehicle char
2018-04-15
9 inspections- interior remodel restaurant restrooms structural plumbing mechanical electrical
Valuation:
$25,000
Permit #:
CBAC2017-00063
Status:
complete
Fee:
$1,824
Permit Type:
Alteration - remodel
Building Type:
N/A
2- new illuminated wall signs (maximum 2 projection behond the building with 10 above sidewalk) sign a: 48 x 6 x 2 deep sign b: 28 x 6 x 2 deep maximum 12 watts per square feet
Valuation:
N/A
Permit #:
06048-20000-00681
Status:
final
Fee:
N/A
Permit Type:
Onsite
Building Type:
N/A
Single family or duplex – water heater, electrical, plumbing, hvac, mechanical, solar/pv, electric v
2010-07-27
Hvac changeout
Valuation:
$10,000
Permit #:
MISR2010-03612
Status:
final
Fee:
$293
Permit Type:
Heating AC Change...
Building Type:
N/A
Building addition adu deck patio cover garage barn ground mount solar light pole masonry wall
2012-10-03
Addition 140sqft to left side of house
Valuation:
$40,000
Permit #:
CBNR2009-00598
Status:
final
Fee:
$1,278
Permit Type:
N/A
Building Type:
N/A
New single family dwelling of 1056 sq ft mfg home on permanent foundation with attached 440 sq ft garage. ---design review area---
Valuation:
$72,858
Permit #:
0403657
Status:
final
Fee:
$4,319
Permit Type:
N/A
Building Type:
N/A
New single family dwelling of 1056 sq ft mfg home with permanent foundation and 440 sq ft attached garage
Valuation:
$72,858
Permit #:
0403659
Status:
final
Fee:
$4,278
Permit Type:
N/A
Building Type:
N/A
New single family dwelling of a 1056 sq ft mfg home on permanent foundation with attached 440 sq ft garage
Valuation:
$72,858
Permit #:
0403661
Status:
final
Fee:
$4,364
Permit Type:
N/A
Building Type:
N/A
Upgrade panel from 100 amp to 200 amp
Valuation:
$1,000
Permit #:
0614416
Status:
final
Fee:
$113
Permit Type:
N/A
Building Type:
N/A
Electrical panel change from 100 amp to 200 amp
Valuation:
$1,000
Permit #:
0609862
Status:
final
Fee:
$79
Permit Type:
N/A
Building Type:
N/A
Update service panel to 100amp
Valuation:
$1,100
Permit #:
RES-0905998
Status:
final
Fee:
$86
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$0
Permit #:
BUS1998-001116
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior remodel for unit a and c: re-layout the existing units to create total 2 bedrooms 2 bathrooms for unit a and unit c; no exterior change; no area addition (bldg plumbing. electrical mech)
Valuation:
$25,000
Permit #:
CB26-0001
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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158
BZ Score
-
Avg Project
-
Projects
246
BZ Score
$30K
Avg Project
-
Projects
156
BZ Score
$30.2K
Avg Project
-
Projects
ABR Co Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
ABR Co License info
Verified License
| License # | 1078806 |
| Status | Active |
| State | California |
| Type | General Building, Electrical, Landscaping, Solar, Pool And Spa Maintenance |
| Business Type | Partnership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for ABR Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 401684 |
| Status | Inactive |
| State | California |
| Type | General Building, Electrical, Landscaping, Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Partnership |
- 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 ABR Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 961283 |
| Status | Inactive |
| State | California |
| Type | General Building, Electrical, Warm Air Heating, Ventilating And Air Conditioning, Landscaping, Pool And Spa Maintenance, Solar |
| Business Type | Partnership |
- 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 ABR Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Berkshire Hathaway Direct Insurance Company |
21
Permits
- Building permit records show that ABR Co has worked on 21 permitted projects.
ABR Co Employees
MJ
Mason Michael Johnson
General Partner
WJ
William Christian Johnson
Qualify Partner