Updated: Jan 14, 2026
Location and Projects
Address
366 BEECHWORTH AVENUE, Monrovia, CA, 91016
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Spaeth Construction Company
Spaeth Construction Company, 366 Beechworth Ave, Monrovia, CA (Owned by: John Joseph Spaeth) holds a General Building license according to the California license board.
Their BuildZoom score of 95 ranks in the top 22% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Spaeth Construction Company, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Spaeth Construction Company Services
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Spaeth Construction Company Contact Information
Phone Number: (626) 359-2842
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Address: 366 BEECHWORTH AVENUE, Monrovia, CA 91016
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Spaeth Construction Company Reviews
5 out of 5 stars, based on
2
reviews
-
By Halie L.November 19, 2020
-
By AnonymousMay 7, 2015Addition$140,000.00110 days
Spaeth Construction performs quality work. Job sites are kept clear of debri. Highly recommend his services!!
Building Permits by Spaeth Construction Company
This is a sample of this contractor's permits. Click here to access their complete permit history.
496 sf family room & bedroom; remodel 170 sf
Valuation:
$71,474
Permit #:
B17-0565
Status:
final
Fee:
$1,892
Permit Type:
Addition
Building Type:
N/A
Addition of new master bedroom & bathroom (350 s/f). interior remodel (45 s/f) - convert portion of bedroom into new hallway. demolish existing front porch (24 s/f) & construct new front porch (139 s/f). new attached rear covered patio (70 s/f). (2) bedroom windows alteration & addition skylight in new hallway
Valuation:
N/A
Permit #:
BLD2015-01284
Status:
final
Fee:
N/A
Permit Type:
General
Building Type:
N/A
Addition 2450 sf (2384sf and 66 sf pool house) addition and new 433 sf attached garage
Valuation:
$351,000
Permit #:
1612270069
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Conv. (e) 3 patios to enlarge (e) liv. room 70 s/f to (n) master bathroom and enlarge family room 222 s/f to enlarge (e) kit 70 s/f; conv. of front foyer into patio 20 s/f; remodel (e) master bathrm bathrm bed. room family. room din room and kitchen 1, 541 s/f; conv. portion of (e) garage into pantry and mud room 36 s/f; addition to (e) garage 430 s/f; conv. porton of the (e) garage i... see more
Valuation:
N/A
Permit #:
BLD2010-00113
Status:
final
Fee:
N/A
Permit Type:
General
Building Type:
N/A
Tear off house & detached garage/install 1/2 osb plywood & class a comparable shingles
Valuation:
N/A
Permit #:
BMN2015-01302
Status:
final
Fee:
N/A
Permit Type:
Roof
Building Type:
N/A
Room addition @ 130 square feet and remodel existing house @ 160 square feet
Valuation:
N/A
Permit #:
BLD2015-00543
Status:
final
Fee:
N/A
Permit Type:
General
Building Type:
N/A
400 amp panel upgrade and 200 amp subpanel
Valuation:
N/A
Permit #:
1708250001
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family residence addition addition bed #4 bathroom #3 laundry room enlarge dining room
Valuation:
$60,120
Permit #:
B00-046-126
Status:
final
Fee:
$3,559
Permit Type:
Dwellings
Building Type:
N/A
Install electrical services for remodel
Valuation:
N/A
Permit #:
ELE2015-01715
Status:
final
Fee:
N/A
Permit Type:
Electrical permit
Building Type:
N/A
Installing new electrical fixtures
Valuation:
N/A
Permit #:
ELE2016-00290
Status:
final
Fee:
N/A
Permit Type:
Electrical permit
Building Type:
N/A
Install plumbing services for remodel
Valuation:
N/A
Permit #:
PLM2015-01519
Status:
final
Fee:
N/A
Permit Type:
plumbing permit
Building Type:
N/A
Electrical for 2450 s.f addition
Valuation:
N/A
Permit #:
1704050040
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical for 2450 s.f addition
Valuation:
N/A
Permit #:
1704050040
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing for 2450 s.f addition
Valuation:
N/A
Permit #:
1704050030
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installing new plumbing fixtures
Valuation:
N/A
Permit #:
PLM2016-00262
Status:
final
Fee:
N/A
Permit Type:
plumbing permit
Building Type:
N/A
(5) ventilation fans
Valuation:
N/A
Permit #:
1708250001
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove existing 10'0 diam tree stump. remove dirt/pour slab for interior room @ 152 sq/ft. addition exterior window to match existing
Valuation:
N/A
Permit #:
BLD2001-00470
Status:
final
Fee:
N/A
Permit Type:
General
Building Type:
N/A
Tear off metal roof; reroof w/comp house & attached garage
Valuation:
$6,000
Permit #:
B17-2029
Status:
final
Fee:
$163
Permit Type:
Reroof house & at...
Building Type:
N/A
Addition master bedroom bathroom closet (1) bathroom on 1st floor
Valuation:
$85,277
Permit #:
B00-007-474
Status:
final
Fee:
$2,103
Permit Type:
Dwellings
Building Type:
N/A
Addendum: floor plan revisions
Valuation:
$0
Permit #:
B17-2083
Status:
UNDER REVIEW
Fee:
$129
Permit Type:
Residential
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Spaeth Construction Company License info
Verified License
| License # | 655551 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Spaeth Construction Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
12
Permits
- Building permit records show that Spaeth Construction Company has worked on 12 permitted projects.
Spaeth Construction Company Employees
JS
John Joseph Spaeth
Owner
Excellent contractor with the best teams!