Updated: Dec 27, 2025
Location and Projects
Address
5232 Zakon Rd, Torrance, CA, 90505
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Baad, Katherine Firestone Construction
Baad, Katherine Firestone, 5232 Zakon Rd, Torrance, CA holds a license according to the California license board.
Their BuildZoom score of 107 ranks in the top 6% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Baad, Katherine Firestone, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Baad, Katherine Firestone Services
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Baad, Katherine Firestone Contact Information
Address: 5232 Zakon Rd, Torrance, CA 90505
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Baad, Katherine Firestone Torrance
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Baad, Katherine Firestone has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
61 projects
|
2025 |
|
59 projects
|
2024 |
|
55 projects
|
2023 |
Our building permit records indicate that Baad, Katherine Firestone has worked on at least
175.0 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
|
51 projects
|
Home Additions |
|
41 projects
|
New Constructions |
|
26 projects
|
Multi-room remodels |
|
4 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Baad, Katherine Firestone mostly works on
home addition
and new construction
projects.
Pricing
|
80 projects
|
< $5k |
|
23 projects
|
$5k-$20k |
|
38 projects
|
$20k-$50k |
|
16 projects
|
$50k-$100k |
|
31 projects
|
$100k-$250k |
|
12 projects
|
$250k-$500k |
|
15 projects
|
$500k-$1mil |
|
17 projects
|
$1mil+ |
The typical size of their permits is approximately $15,000. 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.
Building Permits by Baad, Katherine Firestone
This is a sample of this contractor's permits. Click here to access their complete permit history.
Eplan tenant improvement and addition to existing office building. work includes addition of second story with new ada bathrooms open office and accessible roof area. no change of use. no site work. building to be fully eqipped with nfpa 13 sprinkler sys
Valuation:
$1,500,000
Permit #:
22014-10000-05319
Status:
plancheck
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
*** 2025 wildfire project*** eligible project*** supplemental ref to pcis # 20014-30000-05590 for fire damage repair and rebuild of the (e) 2-story alq with attached garage with addition (6 sf) ; increase building height and remove 1-car garage and update structural inventory
Valuation:
$30,000
Permit #:
20014-30004-05590
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to # 19014-30000-01797 for interior and exterior remodel change in facade and addition covered patios at 1st and 2nd floors ; convert portion of attached garage to living space
Valuation:
$100,000
Permit #:
19014-30001-01797
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Majore remodel and addition to the (e) three story single family dwelling with basement
Valuation:
$14,391,500
Permit #:
24014-20000-05333
Status:
applied
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
*** 2025 wildfire project *** eligible project *** supplemental ref to pcis # 23014-30000-02143 to rebuild portion of existing house and extend the addition up to 110% of (e) footprint under supplemental permit # 23014-30001-02143
Valuation:
$500,000
Permit #:
23014-30003-02143
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to # 23014-30000-02143 to propose 2nd floor addition reduce size of 1st floor addition and revise 1st floor plan layout addition a pool bathroom with access from outside ; update structural inventory
Valuation:
$200,000
Permit #:
23014-30001-02143
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
<eplan> new 54'2"x38'0 irregular shaped 2-story single family dwelling with an attached 2-car garage. nfpa 13 d fire sprinklers required throughout. {all electric building}
Valuation:
$630,178
Permit #:
23010-10000-04958
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
*** 2025 wildfire project*** eligible project*** supplemental ref to pcis # 20016-30000-32457 to include the fire damage repair and rebuild of the main house with increase the size of addition
Valuation:
$30,000
Permit #:
20016-30003-32457
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 42 6 x 18 9 adu per gc 66323(a)(2). nfpa 13d sprinkler required. all work done per engineer
Valuation:
$300,000
Permit #:
24010-20000-03604
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan. remodel with 1st and 2nd floor addition to (e) single family dwelling per endineer design **13d sprinler required**
Valuation:
$150,000
Permit #:
25014-10000-00836
Status:
triage
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story single family dwelling with attached 2-car garage and deck. nfpa 13d solar installation required per title 24 to meet 3.17kw prior to cofo
Valuation:
$1,250,000
Permit #:
22010-10000-00338
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New single family dwelling per sb9 two unit development with attached adu per ordinance (2-story) with trellis roof and solid roof porch
Valuation:
$500,000
Permit #:
23010-10000-04070
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Construct new 2-story single family residence with mechanical basement attached accessory building (59'-3"x46'-6") at rear and attached 4 car garage (45'-0"x24'-0"); full building (244'-8"x 121'-0") w/nfpa 13r sprinklers throughout
Valuation:
$2,855,680
Permit #:
21010-20000-02914
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan interior remodel to existing 2 story single family dwelling with 1 level of basement(mechanical crawl space) and attached carport install new elevator
Valuation:
$40,000
Permit #:
24016-10000-39635
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
[eplan] new 2-story single family dwelling over basement with attached 2-car garage and recreation room -bldg sprinklered thru-out
Valuation:
$992,128
Permit #:
24010-10000-04422
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition of attached accessory dwelling unit (adu) at (e) deck below 1st floor (lower level) per gcs 65852.2(e)(1)(a) interior renovation removal of (e) living room glass enclosure and construction of (n) building envelope replace master bedroom bay windows new site stair to lower level with moment frame grade beam & piles
Valuation:
$245,000
Permit #:
21014-30000-05320
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Ground floor addition and remodel to (e) single family dwelling addition new basement (1 level) to (e) single family dwelling
Valuation:
$425,000
Permit #:
23014-10000-04718
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition partial remodel of (e) s.f.d. to include basement attached garage 1st and 2nd addition and roof top deck. nfpa 13d sprinkler is required ***1 of 3 ***
Valuation:
$300,000
Permit #:
24014-30000-01131
Status:
applied
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
[eplan] new cabana with outdoor kitchen. 1 of 2
Valuation:
$180,000
Permit #:
25014-10000-02668
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 2-story single family dwelling w attach. 3-car garage
Valuation:
$1,275,000
Permit #:
24010-30000-03083
Status:
applied
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Verified License
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Baad, Katherine Firestone License info
Verified License
| License # | CAC64669 |
| Status | Active |
| State | California |
- BuildZoom has not verified this license since June, 2015.
Verify this license's status for Baad, Katherine Firestone at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
426
Permits
- Building permit records show that Baad, Katherine Firestone has worked on 426 permitted projects.