Updated: Jun 12, 2026
Location and Projects
Address
P O BOX 20176, Castro Valley, CA, 94546
Use our bidding system to
request a quote
Alco Concrete Inc
Alco Concrete Inc at P O BOX 20176, Castro Valley, CA 94546, held a Concrete Contractor license (#670247) with the California contractors license board with an expiration date of 10-31-2015. We last verified the license was expired on 04-05-2026.
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 bidding system to be easily matched to qualified, licensed professionals in your area.
Alco Concrete Inc Services
Start a project today:
Alco Concrete Inc Contact Information
Phone Number: (530) 575-5447
Edit
Address: P O BOX 20176, Castro Valley, CA 94546
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Residential: limited review - electrical mechanical plumbing roof solar etc
2021-11-18
Comparable to comparable reroof - like for like
Valuation:
$19,600
Permit #:
BLD21-06532
Status:
complete
Fee:
$203
Permit Type:
Alteration
Building Type:
N/A
Reroof - one/two family residential new roof: tear-out and composition asphalt shingle class a area 2200 sf use existing roof deck remove composition asphalt shingle existing roofing est. 2 ton to be recycled
Valuation:
N/A
Permit #:
BLD2012-02602
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential: full review - additions accessory structures pools demolish generators and other
2011-06-10
2010 crc crc 327.5 roof coverings valley and gutter protection required reroof permit for: tear off tar and gravel and install fiber glass rolled roof minimum class a roofing assembly required the roof covering installed on the structure identified above must be installed per the manufacturer's requirements for installation
Valuation:
$6,500
Permit #:
0740 42001.11
Status:
final
Fee:
$161
Permit Type:
N/A
Building Type:
N/A
Reroof: tear off tar & gravel install radiant barrier plywood and 3 ply cap sheet buildt up roofing system 28sqs class a. ref: stop work order issued 11/12/10
Valuation:
N/A
Permit #:
BLD2010-02440
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Reroof lightweight tile to comparable 4000 sqft
Valuation:
$18,925
Permit #:
R14-005423
Status:
ISSUED
Fee:
$357
Permit Type:
N/A
Building Type:
N/A
Tear off and re-roof (class a') install spark arrester if needed
Valuation:
$12,000
Permit #:
B13-0153
Status:
final
Fee:
$370
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
BI-2011-3202
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permit value$3.32kmessage contractor overlay new 30# felt and 30yr comparable over exist wood shingle and comparable roof
Valuation:
N/A
Permit #:
BLD2002-02834
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove current roof and install a 30 year
Valuation:
$9,000
Permit #:
12-04165
Status:
FINALED
Fee:
$349
Permit Type:
Reroof
Building Type:
N/A
Re-roof certification
Valuation:
N/A
Permit #:
R1300599
Status:
complete
Fee:
$22
Permit Type:
N/A
Building Type:
N/A
Replace old cedar siding shingles with new cedar shingles on all exterior walls over one layer of 15 lb. felt paper
Valuation:
$10,000
Permit #:
RB0304614
Status:
final
Fee:
$669
Permit Type:
N/A
Building Type:
N/A
Tear off old roof apply 30lb shake felt and install fire retardant class c shakes per n.e.r.215; icbo es er 5404
Valuation:
$14,500
Permit #:
BLD2006-01835
Status:
final
Fee:
$587
Permit Type:
N/A
Building Type:
N/A
Must comply with fire zone restrictions. re-roof small portion of flat roof using 3-ply built-up roofing
Valuation:
$1,200
Permit #:
B2005-02710
Status:
Closed Expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Roofing - flat roof class a
Valuation:
$6,555
Permit #:
B2012-04354
Status:
Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Roofing - flat roof class a
Valuation:
$6,555
Permit #:
1200004354
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-0 express
Building Type:
N/A
Must comply with fire zone restrictions. re-roof small portion of flat roof using 3-ply built-up roofing
Valuation:
$1,200
Permit #:
0500002710
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-0 express
Building Type:
N/A
Re-roof remove and replace existing roof with class a built up system
Valuation:
$5,700
Permit #:
B2011-01746
Status:
Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Re-roofing certification
Valuation:
N/A
Permit #:
R1300343
Status:
complete
Fee:
$22
Permit Type:
N/A
Building Type:
N/A
Re-roof remove and replace existing roof with class a built up system
Valuation:
$5,700
Permit #:
1100001746
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-0 express
Building Type:
N/A
Re-roof class a
Valuation:
$13,000
Permit #:
1200003800
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-0 express
Building Type:
N/A
Similar Contractors See more
126
BZ Score
$16K
Avg Project
-
Projects
License # 676584
San Rafael, CA
123
BZ Score
$5K
Avg Project
-
Projects
License # ERGEOI*784QQ
San Francisco, CA
120
BZ Score
$4.2K
Avg Project
-
Projects
Alco Concrete Inc Reviews
BuildZoom hasn't received any reviews for Alco Concrete Inc. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you a concrete pro in your area today
We'll search our vast network of Concrete Pros and connect
you with one that meets your needs today.
Alco Concrete Inc License info
Inactive License
| License # | 670247 |
| Status | Inactive |
| State | California |
| Type | Roofing |
| 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 Alco Concrete 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 # | 484040 |
| Status | Inactive |
| State | California |
| Type | Roofing |
| 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 Alco Concrete 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 # | 878347 |
| Status | Inactive |
| State | California |
| Type | Concrete |
| 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 Alco Concrete Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Alco Concrete Inc, click “This is My Business” to update your information.
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
56
Permits
- Building permit records show that Alco Concrete Inc has worked on 56 permitted projects.
Alco Concrete Inc Employees
AW
Alan Wilson
Owner
CW
Clyde Alan Wilson
Sole Owner
KB
Kenneth Broom
Sole Owner
MA
Maria M Andrade
Rmo / Ceo / Pres