Updated: Oct 08, 2025
Location and Projects
Address
PO BOX 10986, San Rafael, CA, 94912
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K L Construction Electrician
K L Construction, San, Po Box 10986, San Rafael, CA (Employee: Santiago Rocael Mazariegos) holds a General Building license and 4 other licenses according to the California license board.
Their BuildZoom score of 115 ranks in the top 2% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring K L Construction, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
K L Construction Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Roofing
Boiler/Water Heater
Fire Sprinkler Systems
Gas and Piping
Electrical Work
Solar Installation
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Siding
Stucco and Exterior Plastering
Other Exteriors
HVAC
Painting
Decks and Porches
Doors and Windows
Framing
Wood Fences
Other Carpentry
Backsplash and Countertops
K L Construction Contact Information
Phone Number: (415) 377-4746
Address: PO BOX 10986, San Rafael, CA 94912
K L Construction San Rafael
Quality
115
98th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
K L Construction has a BuildZoom score of 115, which places them above 98% of 336,931 contractors in California.
Activity
|
11 projects
|
2025 |
|
18 projects
|
2024 |
|
12 projects
|
2023 |
|
15 projects
|
2022 |
Our building permit records indicate that K L Construction has worked on at least
56.0 projects over the past 3 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.
Experience
|
4 projects
|
Home Additions |
|
27 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that K L Construction mostly works on
electrical project
and home addition
projects.
Pricing
|
4 projects
|
< $5k |
|
11 projects
|
$5k-$20k |
|
8 projects
|
$20k-$50k |
|
4 projects
|
$50k-$100k |
|
4 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $20,000. This graph shows the distribution of these job values.
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.
K L Construction Reviews
5 out of 5 stars, based on
1
review
-
By Nicole B.October 16, 2024Bathroom remodel$60,000
This is a sample of this contractor's permits. Click here to access their complete permit history.
Remodel kitchen bathroom. addition one bathroom and 1/2 bathroom on 2nd floor. 1st addition 2 full bathroom 2 bedroom 2 family room. replacing all windows. 2nd floor reconfigure stairs
Valuation:
$489,000
Permit #:
202410152946
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Construct 2 bedroom 2 full bathroom, 1 powder room & family room at ground floor. 2nd floor: remodel (e) kitchen bathroom. construct 1 powder room. attic space: construct 2 full bathroom & convert (e) storage room to bedroom. construct 2 dormer (8'x8')
Valuation:
$180,000
Permit #:
202008252591
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remodeling the first-floor entry area by demolishing the wall between the entryway and living area. converting an existing laundry room into a full bathroom & converting (e) bathroom into a mudroom. the kitchen will be relocated to the dining area along with remodeling second floor master bathroom to create a walk in closet. panel upgrade to 200 amps
Valuation:
$70,000
Permit #:
BLD2024-03302
Status:
complete
Fee:
$3,046
Permit Type:
Other
Building Type:
N/A
Excavate below (e) west side of home to create nw living space (living room bedroom & bathrm); addition (n) laundry room adjacent to garage (n) interior stairs from 1st to (n) basement floor level; replace (e) heating w/new hydronic in floor system. remove (e) masonry fireplace replace w/gas fireplace
Valuation:
$250,000
Permit #:
201805250225
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Install existing lights fix wire for the bathroom replace lights and ofci outlets all work refer to the complanint #202432372
Valuation:
N/A
Permit #:
E202504141627
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial remove south building (vbu07-0010) & replace w (7) cargo storage containers to be south storage only on same foundation
Valuation:
N/A
Permit #:
BLD25-3890
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Comply with violation # vbu07-0010: to remove for sale to others (7) movable storage units containing (3) sub- units for a total of (21) [aka: as noted on the violation # vbu07-0010: states (20) extra storage units]. and at south storage unit: re-install original tilt-up door in place of unpermitted residential sliding glass door
Valuation:
N/A
Permit #:
BLD23-5474
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Comply with violation #vbu16-0200:replace 400 sqft. structure of unpermitted wood construction with (2) 20'x10 class a fire-rated metal storage units secured to existing foundation which is fema compliant per cty of sonoma engn devision mr. snow of bfe level with foundation openings compliant to fema technical bulletin #1
Valuation:
N/A
Permit #:
BLD23-5473
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ground fl - addition 1 bedroom 1 family room and 1 full bathroom & wet bar; 2nd fl - relocate kitchen addition 1 half bathrm 1 laundry; 3rd fl - relocate 2 bathrooms; relocate stairs replace front windows w/wood
Valuation:
$200,000
Permit #:
202110221022
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Suite # 2033 finish interior for office of 1, 000 sq ft no calcs. ** issue certificate of occupancy ** scope of work: 1) addition partition walls to create waiting area private offices reception files room break room 2) relocate electrical panel addition of new power/receptacles and lighting 4) install new rooftop hvac 5) install sink in break room
Valuation:
$80,000
Permit #:
2022 689569 CI
Status:
final
Fee:
$3,937
Permit Type:
Office
Building Type:
N/A
New wire for whole house kitchen bathrooms laundry room living room bedrooms. ufer groud. 25 circuits 80 lighgts 30 switches 100 receptalces 6 fans 1 d/w 1 g/d 1 microwave 1 range 5 s/d
Valuation:
N/A
Permit #:
E202410297851
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace (8) windows in the front of the building (ebony clad outside). (aluminum clad wood sh and fixed at the middle). replace (2) windows at rear of the building. (vinyl windows)
Valuation:
$9,000
Permit #:
202407176662
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Interior remodel of (e) un-finished 1st story including new full bathroom. associated mechanical plumbing and electrical improvements. no change to existing footprint or street facing facade
Valuation:
$92,000
Permit #:
202206307440
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Units #102 #104 #202 - remodel (3) kitchens and (3) bathrooms in kind
Valuation:
$135,645
Permit #:
202506068128
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Unit #102 104 202: plumbing work for three kitchen and three bathrooms. replace sinks. tubs. ranges dishwashers. work on 2nd and 3rd floor
Valuation:
N/A
Permit #:
PP20250606727
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Upgrade electrical for whole building. 200 amp service kitchen and bathroom laundry living room bedrooms. 30 circuits 100 lights 30 switches 100 receptacles 7 fans 1 dishwasher 1 g/d 1 microwave 1 range 10 smoke detectors
Valuation:
N/A
Permit #:
E202109025410
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Relocate kitchen remodel (e) bathroom convert (e) bedroom into bathroom room addition 1 toilet room at 2nd floor. in-fill under (e) bedroom construct 2 bedroom 2 bathrm at grnd floor. rebuilt conc retaining wall (under 4'-0 ht). replace all (e) footing w/new
Valuation:
$135,000
Permit #:
201907297167
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Relocation and replace of five sub-panels for the building
Valuation:
N/A
Permit #:
EW202503044679
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Uprade electrical main service panel to 200amp located in rear yard behind property. currently 125amps
Valuation:
$2,500
Permit #:
MEP-2024-294744
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Comply with nov #202423957 repair front facade due to car damage. footing put back steel column. replace 20 sq ft of stucco. replace garage door in kind. reconnect water pipe
Valuation:
$32,000
Permit #:
202406073970
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Recent Buildzoom Projects
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Verified License
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K L Construction License info
Verified License
| License # | 997342 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of May 2025.
Verify this license's status for K L Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 982127 |
| Status | Active |
| State | California |
| Type | General Building, Electrical |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of September 2025.
Verify this license's status for K L Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 751324 |
| Status | Active |
| State | California |
| Type | Framing And Rough Carpentry, General Building |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of September 2025.
Verify this license's status for K L Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 712996 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, 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.
Check this license's status for K L Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 663399 |
| Status | Inactive |
| City | Milpitas |
| Type | Contractor, General |
| Business Type | Sole Ownership, Corporation |
- According to the The City of Milpitas, CA, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for K L Construction at the The City of Milpitas, CA.
This is a sample of licensing data; click here to access a complete history.
115
BuildZoom Score
Insured
| Insurer | State Compensation Insurance Fund |
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Wesco Insurance Company |
710
Permits
- Building permit records show that K L Construction has worked on 710 permitted projects.
K L Construction Employees
SM
Santiago Rocael Mazariegos
Sole Owner
Santiago and his team gutted, remodeled and obtained permits for our primary bath. They were able to overcome issues that came up with sloping flooring without a problem. They also replaced a slider door, bathroom window, exterior lighting and Hardi Plank siding. Santiago was onsite to oversee progress often. Any issues that arose were resolved promptly. I highly recommend KL Construction. They were a pleasure to work with and we will be using them again to remodel the guest bath in January. Five stars!!