Updated: Apr 11, 2026
Location and Projects
Address
207 S RAYMOND AVE, Alhambra, CA, 91801
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Residential Alchemists Construction
Residential Alchemists, 207 S Raymond Ave, Alhambra, CA (Employee: Herbert Alexander Flores) holds a General Building license according to the California license board.
Their BuildZoom score of 108 ranks in the top 5% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Residential Alchemists, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Residential Alchemists Services
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Residential Alchemists Contact Information
Phone Number: (323) 420-8862
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Address: 207 S RAYMOND AVE, Alhambra, CA 91801
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Residential Alchemists Alhambra
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Residential Alchemists has a BuildZoom score of 108, which places them above 95% of 336,931 contractors in California.
Activity
|
36 projects
|
2025 |
|
18 projects
|
2024 |
Our building permit records indicate that Residential Alchemists has worked on at least
54.0 projects over the past 2 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
|
23 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Residential Alchemists mostly works on
new construction
projects.
Pricing
|
16 projects
|
< $5k |
|
4 projects
|
$5k-$20k |
|
1 project
|
$50k-$100k |
|
7 projects
|
$100k-$250k |
|
18 projects
|
$250k-$500k |
|
2 projects
|
$500k-$1mil |
|
2 projects
|
$1mil+ |
The typical size of their permits is approximately $180,500. 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 Residential Alchemists
This is a sample of this contractor's permits. Click here to access their complete permit history.
[e-plan] new 600a service feeding (3) 1 or 2 family dwellings. this permit only covers the installation of the main service and connected equipment. the electrical permit fee for each structural is covered under each combo building permit. b# 23010-10000-03209 (address 2127 aaron st) b# 23010-10000-03208 (address 2129 aaron st) b# 23010-10000-03210 (address 2131 aaron st)
Valuation:
N/A
Permit #:
24041-10000-45378
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story duplex with (2) attach. 1-car garages at middle of the lot (bldg b) ; unit 1 = 1 503 sf ; 3 bed ; 3-1/2 bathroom ; garage = 224 sf unit 2 = 1 503 sf ; 3 bed ; 3-1/2 bathroom ; garage = 224 sf
Valuation:
$350,000
Permit #:
22010-30000-02974
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story single family dwelling and 3-story attached adu one building (rear unit) comply with department order effective date 04/02/2018. if additional assistance is needed please call senior inspector michael schulzinger at (213)252-3962. ceis case number is 809552. 2 of 2
Valuation:
$300,000
Permit #:
23010-10000-00924
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story single family dwelling attached 1 car garage at rear of building (front unit) comply with department order effective date 04/02/2018. if additional assistance is needed please call senior inspector michael schulzinger at (213)252-3962. ceis case number is 809552. 1 of 2
Valuation:
$345,000
Permit #:
23010-10000-00923
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story single family dwelling w attach. adu and (2) attach. 2-car garages and roof deck at rear of the lot per lamc 12.22 a.33(c) and (e)
Valuation:
$525,000
Permit #:
24010-30000-00141
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story single family dwelling w attach. 3-car garage and attach. adu per lamc 12.22 a.33(c) and (e) at front of the lot
Valuation:
$2,303,183
Permit #:
24010-30000-01320
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story duplex w attach. 2-car garage and attach. adu (1 301 sf) at rear of the lot per lamc 12.22 a.33(c) and (e)
Valuation:
$500,000
Permit #:
23010-30000-05299
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story duplex w roof decks and attach. 2-car garage and attach. adu at rear of the lot per lamc 12.22 a.33(c) and (e)
Valuation:
$600,000
Permit #:
23010-30000-04801
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Power only plan check for new 600a 120/240v 3ph 4w service feeding a 5-unit apartment. plan check for electrical service only. each building has its own combo building permit. #23010-10000-02541 (front) #23010-10000-02542 (middle) #23010-10000-02543 (rear)
Valuation:
N/A
Permit #:
24041-10000-13417
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story single family dwelling w attach. adu at rear of the lot per lamc 12.22 a.33(c) and (e)
Valuation:
$340,000
Permit #:
23010-30000-03906
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story s.f.d. (6 bed ; 5 bath) w (2) attach. 1-car garages at front of the lot (bldg a) ;
Valuation:
$350,000
Permit #:
22010-30000-02973
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan: building b (rear): convert (e) attached recroom on the first floor of 3-story duplex with an attached garage to new attached accessory dwelling unit per gcs 66323(a)(3). (1 of 2)
Valuation:
$4,000
Permit #:
25016-10000-01091
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan: building a (front): convert (e) attached recroom on the first floor of 3-story duplex with an attached garage to new attached accessory dwelling unit per gcs 66323(a)(3). (2 of 2)
Valuation:
$4,000
Permit #:
25016-20000-01817
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story duplex w rec room and attached carport (middle bldg) *** 2 of 3 ***
Valuation:
$480,000
Permit #:
23010-30000-05087
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story duplex w (2) attach. 2-car garages and roof deck at front of the lot
Valuation:
$500,000
Permit #:
24010-30000-00140
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story duplex w attach. 3-car garage and roof decks at front of the lot
Valuation:
$500,000
Permit #:
23010-30000-04802
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story duplex w attach. 2-car garage and roof deck above and attach. adu per lamc 12.22 a.33(c) and (d) at rear of the lot ;
Valuation:
$450,000
Permit #:
23010-30000-00296
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental ref to pcis # 21010-30000-06634 for a complete re-design change enginer of record and change scope of work to: new 3-story duplex with attach. 2-car garage and attach. rec-room (626 sf) at 1st floor in the middle of the lot (bldg b)
Valuation:
$50,000
Permit #:
21010-30001-06634
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 22010-10000-04642 and 22010-10001-04642 to create new adu. to be fully sprinklered nfpa 13d
Valuation:
$200,000
Permit #:
22010-10002-04642
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story duplex w (2) attach. 1-car garages at rear of the lot
Valuation:
$400,000
Permit #:
24010-30000-01319
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Residential Alchemists Reviews
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Verified License
BuildZoom confirmed this contractor's license
Residential Alchemists License info
Verified License
| License # | 1098394 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Residential Alchemists at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
53
Permits
- Building permit records show that Residential Alchemists has worked on 53 permitted projects.
Residential Alchemists Employees
HF
Herbert Alexander Flores
Rmo / Ceo / Pres