License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
Insured
Workers' comp coverage on file
Clean record
No complaints or disciplinary actions
Hiring this contractor?
Get alerts if their license status changes.
You're monitoring this license!
We'll email you if the license status, bond, or complaint history changes.
Something went wrong
Is this your business?
Claim your profile to manage your listing.
Claim request submitted!
We'll be in touch at the email you provided to verify your identity.
Something went wrong
ALEF CONSTRUCTION CORPORATION
- License Number
- 854347
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 1980 SAN CARLOS AVE SAN CARLOS, CA, 94070 San Mateo County
- Phone
- (650) 508 1569
License Dates
Issued
02/10/2005
Expires
02/28/2027
Expires in 11 months
CSLB Last Updated
07/18/2025
License Classifications
Personnel & Officers
PEREZ ALFONSO MARTIN
Responsible Managing Officer/Chief Executive Officer/President
ESQUIVIAS EFREN RAMIREZ
Officer
Contractor Bond
Amount: $25,000
Company: AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond #233069
Effective: 01/01/2023
Workers' Compensation
Carrier: STATE COMPENSATION INSURANCE FUND
Policy #9021438
Effective: 08/03/2020
Expires: 08/03/2026
CSLB designation: Workers' Compensation Insurance
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
Building Permits
Source: LA City Open Data (LADBS)
otc alterations permit
990 Rhode Island St, 94107
horizontal addition at rear yard within 1 story 12' pop out area
$26,668
2025-09-12
additions alterations or repairs
2106 22nd St, 94107
to comply with nov# 202058444. legalize as-built backyard deck and shed. planning variance under 2020-011542var.
$10,000
2024-03-28
additions alterations or repairs
990 Rhode Island St, 94107
1st floor: enclosed existing rear patio to den. add sfolding/sliding door, 2nd floor: - vertical addition - add 3 bedrooms, 2 bathrooms and loft.
$369,794
2023-11-02
otc alterations permit
340 Baker St, 94117
apt #6: to relocate (e) kitchen & bathroom (on 2nd fl). new electrical & plumbing. no fire sprinkler system.
$40,000
2021-04-29
otc alterations permit
340 Baker St, 94117
apt# 8: remodel (e) kitchen & bathroom, new lighting in common areas (e) hallways, new elec, ligting & plumbing only in apt. 8 and hallways, no work performed in other areas, building does not have a
$70,000
2021-04-23
otc alterations permit
156 Ripley St, 94110
remodel kitchen: install new cabinets, sinks, led lights. remove (e) peninsula, install island.
$75,000
2020-01-23
otc alterations permit
2108 Castro St, 94131
front stair repair less than 50%
$1,000
2019-07-17
otc alterations permit
2108 Castro St, 94131
remodel the back of the house, the (e) bathroom to be relocated, shower will only be installed, west wall wll have a 11'0" nana wall installed, (n) electrical & plumbing only in area of remodel
$95,000
2019-07-17
otc alterations permit
4126 18th St, 94114
to build in kind back egress stairs. the current stairs have wood rot. new footings & size of timber will be changed to meet new code requirements. no work to be preformed to exterior or interior of b
$25,000
2019-01-22
otc alterations permit
156 Ripley St, 94110
remodel of master bathroom: removal of tub, larger shower, moving toilet (same wall), new vanity & scones, upgradinc recessed lights & fan
$20,000
2018-08-17
Showing 10 of 43 permits
Verify this record on the official state licensing board
View on Contractors State License Board (CSLB) →Learn how to verify contractor licenses in California
California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
Verify Another Contractor
Homeowner Resources
Other Licensed General Building Contractor in SAN CARLOS
JESSE LL CONSTRUCTION INC
License #1073630 · CA
TUFO CONSTRUCTION
License #1075017 · CA
SOFIOV DESIGN & BUILD INC
License #1075211 · CA
NORTH BAY CUSTOM CONSTRUCTION INC
License #1075330 · CA
2B LIVING INC
License #1080544 · CA