Updated: Dec 29, 2025
Location and Projects
Address
212 N SAN MATEO DRIVE, San Mateo, CA, 94401
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City Building Construction
City Building, Inc, 212 N San Mateo Dr, San Mateo, CA (Employees: Matthew Francis Ralls and Matthew Wallace Baldwin) holds a General Building license and 1 other license according to the California license board.
Their BuildZoom score of 103 ranks in the top 10% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring City Building, Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
City Building, Inc Services
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City Building, Inc Contact Information
Phone Number: (415) 495-6000
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Address: 212 N SAN MATEO DRIVE, San Mateo, CA 94401
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City Building, Inc San Mateo
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
City Building, Inc has a BuildZoom score of 103, which places them above 90% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
4 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that City Building, Inc has worked on at least
9.0 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
|
4 projects
|
Commercial Renovations |
Analyzing permits over the last 4 years shows that City Building, Inc mostly works on
commercial renovation
projects.
Pricing
|
1 project
|
< $5k |
|
3 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
4 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
335 sqft. area of work water roofing remediation of basement wall structure due to water intrusion. remove (e) pavers/slab/soil to access and repair/replace waterproofing membrane. provide temporary shoring of during excavation. restore (e) sidwald pavers and
Valuation:
$175,000
Permit #:
202508112727
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Remove and replace 39 aluminum windows with vinyl inserts. not street facing windows. all at rear and rear sides of building. max u-factor=0.58 max rshgc=0.41 min vt fixed=0.46/operable=0.32
Valuation:
$245,472
Permit #:
202403258540
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
67 - clinics-medi...
Tenant improvement. consisting of 1)selective demolish of interior non-structural elements. 2) replace of aluminum framed entry doors & repair of windows as indicated. 3) nw accessibility-complaint level landing at main entrance. 4)nw framed walls doors door frames int. windows plumbing fixtures paint/flooring
Valuation:
$679,831
Permit #:
202112214851
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
The project consists of approx 5500 sf situated on the 1st fl. the project scope is limited to the following work the suite entry will be widened for a new door and (e) hallwlay surface doors to be covered new conference room will be created one of (e) rooms to be enlarged all flooring to be
Valuation:
$82,100
Permit #:
202409120604
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Tenant improvement for 1460 sqft office space on 3rd fl. expansion of existing architect's office into the adjacent suite taking up 1/3 of the space. new conference room. bathroom upgrades
Valuation:
$167,373
Permit #:
202403067201
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Dfd other 19 0096: department of elections"; installation of a modular office and accessible ramp (fire srpinkler & me hvac portion of work for installing outside air from directly outside of the shed supply system per code requirements shall be submitted separately under deferred permit) pier 31
Valuation:
$25,000
Permit #:
B-2022-0210
Status:
complete
Fee:
$3,546
Permit Type:
N/A
Building Type:
Warehouse
Upgrade of the existing fuel system. replacement of existing pumps piping and day tanks. **maher n/a**
Valuation:
$400,000
Permit #:
201812148362
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Common area improvements - exterior common are renovations at carlyle apartments. resurface <e> pool and spas replace <e> pool deck 2 steel trellises remodel bbq areas addition sinks at bbq area addition gas firepit and addition exterior lighting
Valuation:
$300,000
Permit #:
BLD2020-57856
Status:
final
Fee:
$22,966
Permit Type:
N/A
Building Type:
N/A
Excavate 5 x 5 x 3 deep pit in kitchen corner to expose footing. space to remain vacant
Valuation:
$11,208
Permit #:
202503142322
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
26 - misc group r...
Dfd me & el 22 0210: department of elections"; addition energy recovery ventolator for outside air to (e) modular unit and addition of (1) electrical panel pier 31
Valuation:
$2,500
Permit #:
B-2023-0055
Status:
complete
Fee:
$3,900
Permit Type:
N/A
Building Type:
Modular unit in pier
Seismic strengthening of existing structure and accessibility upgrades
Valuation:
$423,000
Permit #:
202107144350
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
The project consists of approx 145 sf situated on the 1/f. the current closet area will be transformed into a new conference room the existing mep systems will be extended into the new space
Valuation:
$5,000
Permit #:
202401254631
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Ada barrier removal. (no exterior work). to remove architectural barriers to provide a greater degree of accessibility to the features & amenties @ the dignity health st. mary's medical center which includes: elevator control panel adj signage replacement restroom remodel & door hardward updates
Valuation:
$166,479
Permit #:
201612225752
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
67 - clinics-medi...
1st fl tenant improvement to include consturction of new cold shell office space with new accessible restrooms and shower/changing room. building fully sprinklered all open area hvac el plumbing other than restrooms will be stubbed for future tis. fire under separate permits all work is engineered
Valuation:
$1,800,000
Permit #:
201711143935
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Per nov/complaint# 202301230: replace missing section of fire rated ceiling (2 layers of 5/8 type x gypboard) in garage 20 x 4 area
Valuation:
$10,000
Permit #:
202302232501
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Per nov/complaint# 202301230: replace missing section of fire rated ceiling (2 layers of 5/8 type x gypboard) in garage 20 x 4 area
Valuation:
$10,000
Permit #:
202302232501
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Remove and replace existing tile flooring toilets (3) urinal (1) and (2) shower pans. new frp wall panels throughout except showers. all walls & ceilings stay in same locations. remove and replace (4) sinks. replace existing electrical devices. upgrade existing recessed lighting to led
Valuation:
$50,000
Permit #:
201903064581
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Dfd other 19 0096: san francisco department of elections"; deferred submittal required for permit b-2019-0096 for structural review for pallet jacks modular restrooms and ramp design pier 31
Valuation:
$1
Permit #:
B-2020-0111
Status:
complete
Fee:
$567
Permit Type:
N/A
Building Type:
Warehouse office
Dfd pl 19 0359: sfpuc"; addition of plumbing for kitchenette (sink disposal & dishwasher) and clothes washing machine. connection to (e) water supply and sewage ejector system pier 23
Valuation:
$1
Permit #:
B-2020-0071
Status:
issued
Fee:
$849
Permit Type:
N/A
Building Type:
Warehouse storage
7th fl: minor remodel to convert storage & accessory spaces to offices at suites 731/733 and 726. amep plans fire sprinklers and alarms under separate permit. maher na
Valuation:
$254,000
Permit #:
201705156621
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
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City Building, Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
City Building, Inc License info
Verified License
| License # | 324335 |
| Status | Active |
| State | California |
| Type | General Building |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for City Building, Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 6073238 |
| Status | Active |
| Town | Woodside |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of November, 2017. Check the current license status of City Building, Inc with the The Town of Woodside, CA
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
183
Permits
- Building permit records show that City Building, Inc has worked on 183 permitted projects.
City Building, Inc Employees
CI
City Building, Inc
Owner
MR
Matthew Francis Ralls
Rme
MB
Matthew Wallace Baldwin
Ceo / President
SB
Steven Frederick Baldwin
Officer
VB
Vincent James Baldwin
Rme
WB
Wallace Craig Baldwin
Rmo / Ceo / Pres