License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
WC exempt
No employees — exempt from requirement
Clean record
No complaints or disciplinary actions
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ZION ENGINEERING
DBA: CAHN D BENJAMIN
Owner: D BENJAMIN CAHN DBA ZION ENGINEERING
- License Number
- 440082
- State
- California
- Status
- active
- Business Type
- Sole Owner
- Address
- 9 MOUNTAIN LODGE LANE MILL VALLEY, CA, 94941 Marin County
- Phone
- (415) 531 3151
License Dates
Issued
05/13/1983
Expires
05/31/2027
Expires in 14 months
CSLB Last Updated
08/29/2025
License Classifications
Personnel & Officers
CAHN DOUGLAS BENJAMIN
Sole Owner
Contractor Bond
Amount: $25,000
Company: AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond #100565343
Effective: 01/01/2023
Workers' Compensation
Owner/officer with no employees — exempt from WC requirement
CSLB designation: Exempt
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
1253 Vallejo St, 94109
front structure: grnd/garage - new steel beam & shift post 2nd flr (unit #1251)-replace windows in kind, replace kit cabs, replace bathrm fixtures & finishes. unit #1253 reconfigure flr plan, add 2nd
$275,000
2018-05-09
otc alterations permit
2057 Divisadero St, 94115
t.i. -relocate deli food prep area. new restroom. new entry door at sacramento st. new hood & exhaust. new lighting
$120,000
2016-08-17
otc alterations permit
150 Parker Av, 94118
widen doorway and install pocket door - interior
$28,000
2016-08-05
otc alterations permit
355 Noe St, 94114
spiral stair submittal as required per ref app# 201310088810
$11,000
2015-11-23
additions alterations or repairs
2324 Divisadero St, 94115
alterations to existing rof. conversion of some attic area to living. n/a for maher ordinance.
$150,000
2015-06-26
otc alterations permit
333 Jefferson St, 94133
#b108- minor t.i., change lighting to led, add led lighting, tile floor. n/a ordinance #155-13
$57,000
2015-01-07
otc alterations permit
213 Jefferson St, 94133
replace part of existing storefront refinish floors, new lightin for gallery interior ti. maher 155-13 not required
$75,000
2014-05-01
otc alterations permit
229 Jefferson St, 94133
remove (e) escalator.
$5,000
2013-12-13
otc alterations permit
275 Burnett Av, 94131
minor kitchen remodel, bath remodel, add washer/dryer. minor non bearing wall removal to be verified in the field
$40,000
2013-09-18
otc alterations permit
225 Jefferson St, 94133
replace extg storefront. door relocation interior t.i. new flooring and lighting at ground floor only.
$60,000
2013-03-11
Showing 10 of 21 permits
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