Updated: May 22, 2026
Location and Projects
Address
4306 SANTA RITA RD, El Sobrante, CA, 94803
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Alfaro Construction Inc
Alfaro Construction Inc, 4306 Santa Rita Rd, El Sobrante, CA (Employees: Johnny Cristian Alfaro, Jose Manuel Alfaro, and Miguel Alfaro Juarez) holds a Renovation, Evaluation (Dust Sampling Technician) license and 5 other licenses according to the Environmental Protection Agency license board.
Their BuildZoom score of 85 does not rank in the top 50% of California contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Alfaro Construction Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Alfaro Construction Inc Services
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Alfaro Construction Inc Contact Information
Phone Number: (415) 215-0802
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Address: 4306 SANTA RITA RD, El Sobrante, CA 94803
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Building Permits by Alfaro Construction Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Convert lower floor of (e) single family dwelling into secondary unit (1 337sq.ft. 2 bed 1bath) by adding kitchen in upper floor. remodel master bathroom and convert music room into living dining kitchen (1 562sq.ft 3 bed 2bath) in upper floor. replace garage door in basement addition sound & fire separation between units and repair rear deck. secondary unit address to be 7888 sunkist... see more
Valuation:
$108,000
Permit #:
RB1705471
Status:
complete
Fee:
$6,717
Permit Type:
N/A
Building Type:
N/A
(rbc) - building residential combo alteration- 1 & 2 unit residential (building)
2021-06-17
Wall reconfiguration to expand laundry room (2nd floor) remodel kitchen minor remodel of (2) bathrooms installation of skylight create entry hall closet and replace entry door at existing single family dwelling. to include electrical and plumbing 6/3/19-rev#1: structural work as depicted in 8.5x11 document to resolve correction notice for floor joist 6/17/2021 rev#2 main floor bathroo... see more
Valuation:
$30,600
Permit #:
RBC1900915
Status:
complete
Fee:
$2,034
Permit Type:
N/A
Building Type:
N/A
To renew and continue expired permit # bir18-009653. new 403 sq ft adu on the first floor (lower level)
Valuation:
N/A
Permit #:
BIR23-002591
Status:
expired
Fee:
$1,136
Permit Type:
N/A
Building Type:
N/A
(rbc) - building residential combo alteration- 1 & 2 unit residential (building)
2020-03-30
Remodel existing bathroom on the 1st floor; building partition wall to screen furnace and hot water heater. meps included
Valuation:
$16,000
Permit #:
RBC1903700
Status:
final
Fee:
$1,065
Permit Type:
N/A
Building Type:
N/A
Gas and electrical for fire place (structural permit to be pulled separately) gas and electrical for bbq and electrical for 3' water feature internal use only 123830
Valuation:
N/A
Permit #:
B17-3278
Status:
final
Fee:
N/A
Permit Type:
Remodel
Building Type:
N/A
Plumbing convert lower floor of (e) single family dwelling into secondary unit (1 337sq.ft. 2 bed 1bath) by adding kitchen in upper floor. remodel master bathroom and convert music room into living dining kitchen (1 562sq.ft 3 bed 2bath) in upper floor. replace garage door in basement addition sound & fire separation between units and repair rear deck. secondary unit address to be 788... see more
Valuation:
N/A
Permit #:
RP1800985
Status:
complete
Fee:
$439
Permit Type:
N/A
Building Type:
N/A
(rm) - mechanical - 1 & 2 unit residential (building)
2018-04-05
Mechanical convert lower floor of (e) single family dwelling into secondary unit (1 337sq.ft. 2 bed 1bath) by adding kitchen in upper floor. remodel master bathroom and convert music room into living dining kitchen (1 562sq.ft 3 bed 2bath) in upper floor. replace garage door in basement addition sound & fire separation between units and repair rear deck. secondary unit address to be 7... see more
Valuation:
N/A
Permit #:
RM1800900
Status:
complete
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
(re) - electrical - 1 & 2 unit residential (building)
2018-04-05
Electrical convert lower floor of (e) single family dwelling into secondary unit (1 337sq.ft. 2 bed 1bath) by adding kitchen in upper floor. remodel master bathroom and convert music room into living dining kitchen (1 562sq.ft 3 bed 2bath) in upper floor. replace garage door in basement addition sound & fire separation between units and repair rear deck. secondary unit address to be 7... see more
Valuation:
N/A
Permit #:
RE1801407
Status:
complete
Fee:
$854
Permit Type:
N/A
Building Type:
N/A
To comply with nov# 201762531 201763701 & 201763691. repair damaged wood siding & rear stairs. repair front top step of entrance. remove mildew & mold frame units & pre-paint. re patch walls. fix broken windows at rear & light switch. n/a for maher
Valuation:
$25,000
Permit #:
201703131363
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Unit # 312 - kitchen: replace all cabinets replace all countertop replace floor stones - same locaton - no wall removel. bathroom: replace bathtub replace tiles arround the bathtub replace vanity cabinet and top - same location no wall removal. (existing fan to remain)
Valuation:
$50,000
Permit #:
201504173991
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Stucco dry-rot repair at lower level on right left and rear side of single family dwelling. this permit is not including structural work. basement conversion under rb1800708. drx172221
Valuation:
$42,000
Permit #:
RB1801486
Status:
final
Fee:
$1,273
Permit Type:
N/A
Building Type:
N/A
Replace flooring, door jamb, wall, and cabinets in laundry room. add (3) circuits in breaker box, install dryer vent and water heater vent.
Valuation:
$1,800
Permit #:
B2016-03124
Status:
Under Review
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Garage and master bedroom: replace ceiling fixture in entry hallway install junction box for (e) wire connection in garage ceiling and wall.install new outlets and replace outlets with new
Valuation:
$0
Permit #:
E201309233863
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Demolish a wall in units c & d see housing report, item 1 only. (reprint on 7-18-16) case # h2015-00828. see report in documents tab.
Valuation:
$360
Permit #:
B2016-03381
Status:
final
Fee:
$236
Permit Type:
Alteration
Building Type:
N/A
Replace flooring, door jamb, wall, and cabinets in laundry room.
add (3) circuits in breaker box, install dryer vent and water heater vent.
Valuation:
$1,800
Permit #:
B2016-03124
Status:
final
Fee:
$617
Permit Type:
Addition/Alteration
Building Type:
N/A
Garage and master bedroom: replace ceiling fixture in entry hallway install junction box for (e) wire connection in garage ceiling and wall.install new outlets and replace outlets with new
Valuation:
N/A
Permit #:
E201309233863
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permit value$500message contractor gas and water line. kitchenette. remove stove sink and cap remove existing un-permited
Valuation:
N/A
Permit #:
1500001889
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install kitchen sink dishwasher bathroom vanity toilet new shower pan
Valuation:
$0
Permit #:
PP20151020880
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Unit 312. install kitchen hood; 1 dishwasher 1 disposal and 1 range
Valuation:
$0
Permit #:
E201510202344
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Gas and water line. kitchenette. remove stove sink and cap remove existing un-permited
Valuation:
$500
Permit #:
1500001889
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-0 express
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Alfaro Construction Inc License info
Verified License
| License # | NAT-F175662-2 |
| Status | Active |
| Nation | Environmental Protection Agency |
| Type | Renovation, Evaluation (Dust Sampling Technician) |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Alfaro Construction Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 953602 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Alfaro Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1001985 |
| Status | Active |
| State | California |
| Type | General Building, Tree Service |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Alfaro Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 876291 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Alfaro Construction 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 # | NAT-F175662-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Corporation, Sole Ownership |
- According to the United States Environmental Protection Agency, 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 Alfaro Construction Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 741449 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation, 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. If this is your business, please update your license status.
Check this license's status for Alfaro Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
85
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
25
Permits
- Building permit records show that Alfaro Construction Inc has worked on 25 permitted projects.
Alfaro Construction Inc Employees
JA
Johnny Cristian Alfaro
Sole Owner
JA
Jose Manuel Alfaro
Rmo / Ceo / Pres
MJ
Miguel Alfaro Juarez
Sole Owner
SA
Samuel Charles Alfaro
Sole Owner