Updated: Dec 12, 2025
Location and Projects
Address
11209 Howard St, Whittier, CA, 90606
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Schmahl, Lawrence Joseph Construction
Serving Whittier, California and the surrounding areas, Lawrence Joseph Schmahl brings over two decades of experience in residential construction and remodeling. Since establishing his business in 2000, Schmahl has managed a range of projects that include home additions, interior renovations, and repairs for single-family properties. Clients in neighborhoods across Los Angeles County have hired Schmahl for updates to kitchens, bathrooms, and living spaces, as well as structural modifications and property maintenance. His long tenure in the industry reflects consistent engagement with building codes and project management for occupied homes. With 24 years in the trade, Schmahl is frequently sought after by homeowners looking for experienced oversight and a broad skill set in general residential construction in the Whittier area.
Schmahl, Lawrence Joseph Services
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Schmahl, Lawrence Joseph Contact Information
Address: 11209 Howard St, Whittier, CA 90606
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Schmahl, Lawrence Joseph Whittier
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Schmahl, Lawrence Joseph has a BuildZoom score of 105, which places them above 92% of 336,931 contractors in California.
Activity
|
21 projects
|
2025 |
|
9 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Schmahl, Lawrence Joseph has worked on at least
36.0 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
|
16 projects
|
Home Additions |
|
8 projects
|
New Constructions |
|
4 projects
|
Multi-room remodels |
Analyzing permits over the last 4 years shows that Schmahl, Lawrence Joseph mostly works on
home addition
and new construction
projects.
Pricing
|
16 projects
|
< $5k |
|
7 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
4 projects
|
$50k-$100k |
|
7 projects
|
$100k-$250k |
|
6 projects
|
$250k-$500k |
|
6 projects
|
$500k-$1mil |
|
3 projects
|
$1mil+ |
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.
Building Permits by Schmahl, Lawrence Joseph
This is a sample of this contractor's permits. Click here to access their complete permit history.
Eplan -remodel to (e) 2 story single family dwelling with (e) attached garage and addition to expand (e) floor levels. -addition of new floor level and to include new bedroom bathroom and stairs to create 3 story building
Valuation:
$250,000
Permit #:
23014-10000-05066
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
***2025 eligible wildfire project per executive order no. 1*** new 2-story single family dwelling with attached garage fully sprinkled nfpa 13-d --- 1 of 2 ---
Valuation:
$800,000
Permit #:
25010-30000-03060
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
1037 sf 2 story addition and remodel to (e) 2 story single family dwelling in bho and coastal per engineers calcs and soils report with 6 moment frames (some 2 story) and bent moment frame canilevered columns grade beams
Valuation:
$300,000
Permit #:
24014-30000-01235
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New attached adu (per ordinance - lamc 12.22 a.33 (c)&(e)) at 1st and 2nd story addition to (e) s.f.d. *** 1 of 2 ***
Valuation:
$325,000
Permit #:
24014-30000-00929
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
***2025 wildfire project - not an eligible project *** supplemental ref to pcis # 24010-30000-02745 to revise arch. & structural plans due to attached rec room to s.f.d. --plancheck only--- *** 1 of 3 ***
Valuation:
$501
Permit #:
24010-30001-02745
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
*** under construction *** supplemental ref to pcis # 24014-30000-01235 to address delta 3 structural revisions. changes include: - detail sheets - gradebeam - unerpinned footings - epoxy - structural slab - moment frame lateral bracing - new skylights
Valuation:
$501
Permit #:
24014-30004-01235
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
***2025 wildfire project - not an eligible project *** supplemental ref to pcis # 24030-30000-03994 to revise grading qualities due to revised no. of r.w. --plancheck only--- *** 3 of 3 ***
Valuation:
$501
Permit #:
24030-30001-03994
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
***2025 wildfire project - not an eligible project *** supplemental ref to pcis # 24020-30000-01099 to review number of proposed retainign walls --plancheck only--- *** 2 of 3 ***
Valuation:
$501
Permit #:
24020-30001-01099
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Major remodel and 2nd story addition to existing 1-story type va single family dwelling equipped throughout with nfpa 13d fire sprinklers
Valuation:
$540,000
Permit #:
24014-30000-04024
Status:
applied
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Proposed 650'-0 long temporary shoring with lagging & soldier piles with max. 36'-0 in height for a 54 unit apartment. building. 2 levels of basement
Valuation:
$800,000
Permit #:
15020-10000-03046
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
New 3 story mixed use building consist of two artist in residence units over retail and restaurant spaces (type v-b) over 1 1/2 levels of subterranean garage (type i-a). shell permits only for retail and restaurant spaces
Valuation:
$1,995,688
Permit #:
19010-10000-01377
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Remove entire (e) s.f.d. w the exception of one wall & its foundation and rebuild w 2-story s.f.d. w attached 1-car garage and new attached adu per ordinance lamc 12.22 a.33(c) and (e)
Valuation:
$400,000
Permit #:
23014-30000-00226
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Temporary shoring <cantilever & tieback shoring> with lagging & soldier piles for a new 3-story mixed-use building consisting of two (2) artist-in-residence units over retail and restaurant spaces (type v-b) over 1-1/2 levels of subterranean garage (type 1-a). fda a mixed building under b19la06761 plan checker dean lee
Valuation:
$220,000
Permit #:
19020-10000-02161
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New 3-story 7 unit (1 of 7 unit is very low income units) townhouse adu building per toc tier 3. fully sprinklered per nfpa 13. (attached adu per ordinance lamc 12.22 a.33(c) and (e))
Valuation:
$950,000
Permit #:
19010-10000-02276
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Addition and alteration to existing 2-story type vb single family dwelling with attached garage. addition for new elevator kitchen remodel new front stairs and conversion of portion of existing single family dwelling into (see comments)
Valuation:
$130,000
Permit #:
23014-30000-01039
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 4-story 54-unit type v-a apartment building over 2-level type i-a subterranean parking garage
Valuation:
$20,000,000
Permit #:
13010-10000-04660
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
****2025 ineligible wildfire project*** new 3-story single family dwelling w attach garage over basement. fully sprinkled nfpa 13-d ---1 of 4---
Valuation:
$1,200,000
Permit #:
24010-30000-02745
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
** no fee dept error** supplemental to 20030-10000-05125 to revise scope of work to site grading for new 2 story single family dwelling w basement and site retaining wall
Valuation:
N/A
Permit #:
20030-10001-05125
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(eplan) convert existing detached garage into accessory dwelling and addition to adu unit per lamc 12.22 a.33 (c)-(d). all work per engineer detail
Valuation:
$150,000
Permit #:
24014-10000-00962
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
**eplan** interior remodel of (e) single family dwelling w attached garage scope fo work to include: remodel existing kitchen; convert existing attached 460 sq.ft. garage to junior accessory dwelling unit per ca govt. code 65852.2(e)(1)(a) and 65852.22
Valuation:
$150,000
Permit #:
24016-10000-02765
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Schmahl, Lawrence Joseph License info
Verified License
| License # | CAL5748 |
| Status | Active |
| State | California |
- BuildZoom has not verified this license since June, 2015.
Verify this license's status for Schmahl, Lawrence Joseph at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
110
Permits
- Building permit records show that Schmahl, Lawrence Joseph has worked on 110 permitted projects.