Updated: May 27, 2026
Location and Projects
Address
646 Grand Ave, Spring Valley, CA, 91977
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Merz Construction Incorporated
Merz Construction Incorporated, 646 Grand Ave, Spring Valley, CA (Owned by: Khosrow Mehrzadi) holds a General Building, Painting And Decorating, Sheet Metal, Construction Clean Up, Concrete, Warm Air Heating, Ventilating And Air Conditioning, Electrical, Flooring And Floor Covering, Plumbing license and 3 other licenses according to the California license board.
Their BuildZoom score of 111 ranks in the top 4% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Merz Construction Incorporated, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Merz Construction Incorporated Contact Information
Phone Number: (619) 825-9107
Address: 646 Grand Ave, Spring Valley, CA 91977
Merz Construction Incorporated Spring Valley
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Merz Construction Incorporated has a BuildZoom score of 111, which places them above 96% of 336,931 contractors in California.
Activity
|
15 projects
|
2025 |
|
11 projects
|
2024 |
|
11 projects
|
2023 |
Our building permit records indicate that Merz Construction Incorporated has worked on at least
37.0 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
|
7 projects
|
New Constructions |
|
3 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Merz Construction Incorporated mostly works on
new construction
and kitchen remodel
projects.
Pricing
|
6 projects
|
< $5k |
|
3 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
1 project
|
$250k-$500k |
|
2 projects
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $7,000. 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 Merz Construction Incorporated
This is a sample of this contractor's permits. Click here to access their complete permit history.
Re-roof with class a or b roof covering material weighing less than 6 pounds per sq. ft. over existing solid sheathing 49 squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required... see more
Valuation:
$9,800
Permit #:
23016-90000-30349
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
**scope change**10/12/2021 , mira mesa-building electrical mechanical plumbing permits for a tenant improvement to remodel an existing lab/office. work to include; demolish non- bearing partitions interior partitions electrical mechanical plumbing structural. base zone il-2-1 brush management esl's geo haz 53 alucp
Valuation:
$1,928,980
Permit #:
2568595
Status:
complete
Fee:
$20,639
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Convert portion (e) parking area to 8 adus per gcs 65852.2(e)(1)(c) and existing 51 units 5 guest rooms 4 unpermitted adus building to 51 units 4 guest rooms and 4 permitted adus per gcs 65852.23.(building to be equipped with automatic sprinklers system)
Valuation:
$400,000
Permit #:
22016-10000-16476
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
60 kitchen/bathroom (60 ) remodel for residential buildings (no structural changes). (tile only in the bathrooms). window (59 ) and door (20 ) change-out (same size & type) for residential buildings. dual glazing labeled and certified by national fenestration rating council (nfrc) is required for doors and windows replaced in all residential buildings three stories or less per section... see more
Valuation:
$35,000
Permit #:
23016-20000-00751
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
**scope change**10/12/2021 , mira mesa-building electrical mechanical plumbing permits for a tenant improvement to remodel an existing lab/office. work to include; demolish non- bearing partitions interior partitions electrical mechanical plumbing structural. base zone il-2-1 brush management esl's geo haz 53 alucp
Valuation:
$1,928,980
Permit #:
2568595
Status:
issued
Fee:
$20,639
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Remove and replace exterior decking stucco soffits and reroof roofing finishes. no new m/e/p
Valuation:
$70,000
Permit #:
B24-1522
Status:
complete
Fee:
$2,039
Permit Type:
Tenant improvemen...
Building Type:
N/A
Carmel valley building electrical mechanical and plumbing permit for a tenant improvement to an existing offices at the 1st floor within a 3-story building. work to include interior demolish for new parition walls celings millwork and finishes. associated electrical/lighting mechanical and plumbing work. cvpd-ec geo 52 coastal transit priority area
Valuation:
$169,334
Permit #:
2306448
Status:
complete
Fee:
$2,555
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Soft-story retrofit as per labc ch 93 using plywood shear walls for motel. adu conversion from garage under separate permit application (reference application 22016-10000-16476. using wood shear wall certificate of compliance for soft-story permit shall not be issued until adu permit is obtained (certificate of occupancy). ****plan check engineer verify use and adu permit before appro... see more
Valuation:
$501
Permit #:
22016-10000-16484
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
(n) 2-story single family dwelling w attached garage & basement (nfpa-13d fire sprinklers throughout)
Valuation:
$825,000
Permit #:
22010-20000-02596
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
La jolla; building mechanical electrical and plumbing permit for an existing commercial building. all exterior windows to be replace. new light fixture interior partition walls and ceiling treatment for dining area. ljpd-5 cst-app esl's transit priority areas hrb #213 and geo 53
Valuation:
$340,732
Permit #:
2338712
Status:
complete
Fee:
$4,775
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Southeastern san diego: building mechanical electrical & plumbing permits for the interior tenant improvements to create an office/r&d space for the processing of mother's milk within an existing warehouse. work to include change of use; new non-load bearing partitions; ceilings lighting electrical hvac and plumbing. base zone: il-3-1; pdp 91-1324; geo haz 52; sd int'l airport (cnel)
Valuation:
$258,000
Permit #:
2324889
Status:
complete
Fee:
$7,794
Permit Type:
Add/alt tenant im...
Building Type:
N/A
New irr. shaped 38'-0 x 65'-0 two-story single family dwelling with basement and attached garage; automatic sprinkler system is required
Valuation:
$650,000
Permit #:
21010-20000-02808
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
1 bathroom(s).bathroom remodel for residential buildings (no structural changes)
Valuation:
$5,000
Permit #:
25016-90000-07399
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Ti: ent associates of san diego suite 210 - (2, 688 sq.ft.) enlarge exam room demolish non-bearing partition plumbing electrical ceiling and lighting. new suspended ceiling electrical and lighting. existing hvac ductwork only update reception desk and suite entry to meet cbc 2019 code
Valuation:
N/A
Permit #:
B20-1293
Status:
final
Fee:
$5,856
Permit Type:
Tenant improvemen...
Building Type:
N/A
Tenant improvement - paseo del rey church - two level storage addition 580 (sq. ft.)and covered entry at east elevation. replacing havc system at worship center and women's restroom. installing new gate for the mechanical equipment. replacing lights to be led energy efficient in the worship center
Valuation:
N/A
Permit #:
B20-0872
Status:
complete
Fee:
$8,603
Permit Type:
Tenant improvemen...
Building Type:
N/A
Interior remodel of 1240 sq ft existing residential combining units new wall partitions doors finishes and associated plumbing and electrical work
Valuation:
N/A
Permit #:
B24-0175
Status:
complete
Fee:
$12,184
Permit Type:
Tenant improvemen...
Building Type:
N/A
No-plan - nonresidential/multifamily - electrical:9177/sky park
Valuation:
N/A
Permit #:
PMT-3352907
Status:
issued
Fee:
$165
Permit Type:
N/A
Building Type:
N/A
Demolish the (e) single family dwelling and (e) detached garage. clear lot- sewer cap and pedestrian fence required
Valuation:
$12,000
Permit #:
22019-20000-02834
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Carlsbad business park: install metal screen for existing rooftop hvac units (e-review) (e-review)
Valuation:
N/A
Permit #:
CBCA2025-0006
Status:
issued
Fee:
N/A
Permit Type:
P/m/e
Building Type:
N/A
Carlsbad business park: install metal screen for existing rooftop hvac units (e-review) (e-review)
Valuation:
N/A
Permit #:
CBCA2025-0005
Status:
issued
Fee:
N/A
Permit Type:
P/m/e
Building Type:
N/A
Merz Construction Incorporated Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Merz Construction Incorporated License info
Verified License
| License # | 477564 |
| Status | Active |
| State | California |
| Type | General Building, Painting And Decorating, Sheet Metal, Construction Clean Up, Concrete, Warm Air Heating, Ventilating And Air Conditioning, Electrical, Flooring And Floor Covering, Plumbing |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Merz Construction Incorporated at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 775647 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Merz Construction Incorporated at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 477564 |
| Status | Inactive |
| City | Oceanside |
| Type | Contractor |
| Business Type | Sole Ownership, Corporation |
- According to the City of Oceanside, CA, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Merz Construction Incorporated at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 864136 |
| Status | Inactive |
| State | California |
| Type | General Engineering, 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 Merz Construction Incorporated at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
210
Permits
- Building permit records show that Merz Construction Incorporated has worked on 210 permitted projects.
Merz Construction Incorporated Employees
CN
Christopher Girard Nico
Rmo
JM
John Dewayne Merz
Rmo / Ceo / Pres
JR
Jonathan Wright Russell
Rme
KM
Khosrow Mehrzadi
Owner