Updated: Apr 11, 2026
Location and Projects
Address
1454 Ave Alvarado, Placentia, CA, 92870
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Michael Margerum, Architect Photos
Michael Margerum, Architect
Michael Margerum, Architect, 1454 Ave Alvarado, Placentia, CA (Employees: Erik David Margerum and Michael Brad Margerum) holds a Architect license and 1 other license according to the Orange license board.
Their BuildZoom score of 116 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 Michael Margerum, Architect, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Michael Margerum, Architect Services
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Michael Margerum, Architect Contact Information
Phone Number: (714) 536-2341
Address: 1454 Ave Alvarado, Placentia, CA 92870
Michael Margerum, Architect Placentia
Quality
116
98th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Michael Margerum, Architect has a BuildZoom score of 116, which places them above 98% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
4 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Michael Margerum, Architect has worked on at least
14.0 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
|
8 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Michael Margerum, Architect mostly works on
home addition
projects.
Pricing
|
6 projects
|
$100k-$250k |
The typical size of their permits is approximately $139,985. 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 Michael Margerum, Architect
This is a sample of this contractor's permits. Click here to access their complete permit history.
Convert (e) 1-story accessory pool house into (n) 855 sqft detached (1) bedroom (1) bathroom adu includes all related mechanical electrical and plumbing located in high fire hazard zone as per approved plans
Valuation:
$129,969
Permit #:
COMR-2025-0129
Status:
issued
Fee:
$3,115
Permit Type:
N/A
Building Type:
N/A
Residential supplemental fees - convert (e) 1-story accessory pool house into (n) 855 sqft detached (1) bedroom (1) bathroom adu ref: comr-2025-0129 sanitation fee 855 sqft x $1.659 = $1 418.45
Valuation:
N/A
Permit #:
MIS-2025-0241
Status:
complete
Fee:
$1,418
Permit Type:
N/A
Building Type:
N/A
Combo residential addition - (non adu normal home additions)
2023-07-13
Construct (n) 755 sqft attached solid roof patio cover with (n) 27 sqft outdoor bathroom and 28 sqft storage room includes all related mechanical electrical and plumbing: (1) lavs (1) water closet (5) outlets (5) switches (15) fixtures (1) exhaust fans as per approved plans
Valuation:
$50,000
Permit #:
COMR-2023-0080
Status:
expired
Fee:
$1,904
Permit Type:
N/A
Building Type:
N/A
Adu - new addition construction (attached units only)
2023-07-06
349 sq ft addition to create (n) bedroom bathroom and extend (e) living room. includes plumbing electrical and mechanical: (1) tub/shower (1) water closet (1) lav (20) outlets (10) switches (10) fixtures (1) furnace (1) air conditioning unit. as per approved plans note: house currently has (3) bedrooms & (2) bathrooms will have (4) bedrooms & (3) bathrooms after
Valuation:
$50,000
Permit #:
COMR-2021-0394
Status:
complete
Fee:
$2,847
Permit Type:
N/A
Building Type:
N/A
Single family residence addition 877 sf balcony 65 sf remodel 400 sf garage addition 330 sf w/yard drainage & 3 glass on (e) cmu wall 70 lf
Valuation:
$215,000
Permit #:
2703-2021
Status:
approved
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Delta 4- *add scope* single family residence replace exterior stairway and landing (xr2025-2556)
Valuation:
N/A
Permit #:
REV2025-1840
Status:
plan check applied
Fee:
$364
Permit Type:
N/A
Building Type:
N/A
Delta 1 - update site plan-grading & erosion control plan w pool
Valuation:
$215,000
Permit #:
REV2023-0546
Status:
approved
Fee:
$139
Permit Type:
N/A
Building Type:
N/A
495 sq ft addition to create family room bedroom #4; also relocating furnace; install (n) shower and exhaust fan in (e) bathroom. composition reroof to (e) house to match addition. includes electrical mechanical and plumbing. (1) shower (20) outlets (5) switches (11) fixtures (1) exhaust fan as per approved plans note: house currently has (3) bedrooms & (1.5) bathrooms will have (4) b... see more
Valuation:
$50,000
Permit #:
COMR-2019-0411
Status:
complete
Fee:
$2,453
Permit Type:
N/A
Building Type:
N/A
Duplex *add scope* single family residence replace exterior stairway and landing
Valuation:
N/A
Permit #:
XR2025-2556
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Delta 3 - t24 arch. interior changes window changes (n) skylight & privacy wall
Valuation:
N/A
Permit #:
REV2025-0163
Status:
approved
Fee:
$339
Permit Type:
N/A
Building Type:
N/A
Single family residence addition 877 sf balcony 65 sf remodel 400 sf garage addition 330 sf w/yard drainage
Valuation:
$200,000
Permit #:
X2021-3121
Status:
final
Fee:
$6,007
Permit Type:
N/A
Building Type:
N/A
Combo residential – building – alteration (includes meps)
2024-01-09
608 sqft partial conversion and 300 sqft addition to (e) detached storage accessory to create (n) 908 sqft (2) bedroom (1) bathroom adu with (n) 72 sqft entry addition includes all related mechanical electrical and plumbing this parcel lies within a liquefaction zone. as per approved plans
Valuation:
$150,000
Permit #:
COMR-2024-0015
Status:
filed
Fee:
$3,579
Permit Type:
N/A
Building Type:
N/A
Duplex addition 171 sf and remodel 1987 sf. addition 548 sf deck
Valuation:
$184,340
Permit #:
XR2022-2278
Status:
issued
Fee:
$9,384
Permit Type:
N/A
Building Type:
N/A
New 1-story detached 840 sqft adu with 2 bedrooms and 2 bathrooms mechanical electrical and plumbing under separate permits as per approved plans
Valuation:
$125,000
Permit #:
BLDR-2020-0953
Status:
complete
Fee:
$2,190
Permit Type:
N/A
Building Type:
N/A
Revision to addition fire rated window/wall at the north exterior wall of permitted adu ref: comr-2023-0385 as per approved plans
Valuation:
N/A
Permit #:
MIS-2025-0438
Status:
issued
Fee:
$345
Permit Type:
N/A
Building Type:
N/A
Adu - new addition construction (attached units only)
2023-06-08
Residential combo permit - 450 sq ft addition to (e) single family dwelling to create family and dining room. interior remodel of (e) kitchen and (e) bedrooms; conversion of (e) living room to (n) bedroom and (n) bathroom; construct (n) 140 sq ft patio cover trellis. replace (e) hvac system and ducts and addition ducts for (n) addition. adjust 4 squares of (e) ridgeline to conform wit... see more
Valuation:
$100,000
Permit #:
COM18-00377
Status:
complete
Fee:
$2,814
Permit Type:
N/A
Building Type:
N/A
Eplan proposed 2nd story addition to be an adu and 1st floor to remain garage
Valuation:
$150,000
Permit #:
22014-10000-05739
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Delta 2- update t24 for hvac provide glass guard setails
Valuation:
$215,000
Permit #:
REV2023-1521
Status:
approved
Fee:
$122
Permit Type:
N/A
Building Type:
N/A
218 sf interior remodel of master bedroom; remove non loadbearing wall between master bedroom and bedroom #2 to create a master bedroom walk in closet and remodel existing bathroom and convert to master bathroom. 1-sink 1-shower 1-toilet 1-urinal; 5-rec 5-lights 4-switches
Valuation:
$40,000
Permit #:
RESB-01-18-26116
Status:
issued
Fee:
$689
Permit Type:
N/A
Building Type:
N/A
Restore den back to original condition of bedroom. includes removing window bathroom wall and door to exterior. restore (e) detached garage back to original condition removing bathroom and capping utilities. alter (e) canopy in front of
Valuation:
$20,000
Permit #:
BC18-00222
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Michael Margerum, Architect License info
Verified License
| License # | 17306 |
| Status | Active |
| City | Orange |
| Type | Architect |
- BuildZoom has not verified this license since June, 2017.
Verify this license's status for Michael Margerum, Architect at the The City of Orange, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 817515 |
| Status | Inactive |
| State | California |
| Type | General Building |
- 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 Michael Margerum, Architect at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
116
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $10,000 |
92
Permits
- Building permit records show that Michael Margerum, Architect has worked on 92 permitted projects.
Michael Margerum, Architect Employees
EM
Erik David Margerum
Sole Owner
MM
Michael Brad Margerum