Updated: Mar 28, 2026
Location and Projects
Address
4111 18TH STREET SUITE 6, San Francisco, CA, 94114
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Chris McMahon Construction Architect
Their BuildZoom score of 103 ranks in the top 10% of 336,931 California licensed contractors.
If you are thinking of hiring Chris McMahon Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Chris McMahon Construction Services
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Chris McMahon Construction Contact Information
Phone Number: (415) 626-5300
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Address: 4111 18TH STREET SUITE 6, San Francisco, CA 94114
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Chris McMahon Construction San Francisco
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Chris McMahon Construction has a BuildZoom score of 103, which places them above 90% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
1 project
|
2024 |
|
7 projects
|
2023 |
Our building permit records indicate that Chris McMahon Construction has worked on at least
12.0 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
|
Home Additions |
Analyzing permits over the last 4 years shows that Chris McMahon Construction mostly works on
home addition
projects.
Pricing
|
1 project
|
< $5k |
|
2 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
The typical size of their permits is approximately $271,810. 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 Chris McMahon Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Addition 1/2 bathroom (2nd fl) in existing conditioned area to include direct vent with additional non bearing partition wall and addition (2) interior doors. remodel (e) bathroom to replace (e) exhaust fan tile and fixture and finishes. no shower pan removal. replace ladder steps to attic
Valuation:
$74,470
Permit #:
202402065357
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Erect 3 stories 1 basement type v-b two unit residential r-3 (sb9 project)
Valuation:
$500,000
Permit #:
202302232459
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Erect 4 stories 1 basement type v-b two unit residential r-3 (sb9 project)
Valuation:
$500,000
Permit #:
202302232458
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
4 story remodel of 2 units bldg(incl elect.)g/f:(n)kitchen;(re) bath(n)stairs to 2/f;(n) fire rated corridor to yard, (n)front door; 2/f:relocate kitchen, remove ceiling@living room, (re) baths, replace windows in kind(n) stairs.3/f: remove kitchen, (re) baths, replace windows in kind(n) laundry;
Valuation:
$750,000
Permit #:
201612144998
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Erect a 4 stories, 2 dwelling with one basement duplex type 5b
Valuation:
$570,000
Permit #:
202204071788
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Erect a 3 story, 1 dwelling duplex type 5b
Valuation:
$570,000
Permit #:
202204071761
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remodel kitchen; remodel rear grd floor area; remodel 2 baths; addition rear extension stair; remove (e) bathroom @ rear 2nd flr; addition (n) 3rd floor w 3 brs & 3 baths; addition (n) 4th floor w full bathroom & 2 roof decks. fire sprinkler under separate permit
Valuation:
$617,800
Permit #:
201905231569
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Replace (e) wood deck with new wood deck in same location. replace (e) exterior stair. new deck is approximately 118 sq.ft. addition a 3'x 7 balcony at 3rd floor directly above deck
Valuation:
$12,687
Permit #:
202204182444
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Change-of-use/change-of-occupancy: from manufactory (f1-occ.) to lab suite (l-occ). provide new lab space and clean room areas all on the 1st floor. n/a for maher
Valuation:
$176,280
Permit #:
201901311823
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
16 - manufacturing
1st fl: tv room & bathroom addition. 2nd fl: kitchen remodel (n) office deck & spiral staircase from 2nd to 3rd fl. 3rd fl: (2) bedroom & (2) bathroom addition (n) 225 sf roof deck
Valuation:
$390,000
Permit #:
201907125802
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Erect 4 stories no basement type v-b two unit residential r-3
Valuation:
$500,000
Permit #:
202302232453
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Erect new 4 story 1 basement 2 residential units type 5b building with 4th floor setback 18'10.5 from front property line. solar under sep permit. sprinkler & sprinkler monitoring under sep permits
Valuation:
$1,510,687
Permit #:
201803073112
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Remove non-structural interior walls. addition 4 new ada compliant unisex restrooms. enlarge (e) windows openings. replace (e) side-rolling wood doors with new overhead metal doors. maher na
Valuation:
$156,700
Permit #:
201801259530
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
20 - warehouse, n...
Remove non-structural partitions addition 2 restrooms upgrade plumbing supply waste drain & vent lines; addition ada compliant wheel chair ramp addition new entry door in-kind replace overhead roll up door addition water service for future fire sprinklers
Valuation:
$120,000
Permit #:
201612013868
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Revision to app#201801259530. addition mother nursing room. addition 3 new ada compliant unisesx restrooms. addition 4 new conference rooms (2 on ground floor 2 at north mezzanine) addition new it closet. n/a for maher
Valuation:
$10,000
Permit #:
201903296601
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
20 - warehouse, n...
1 story rear addition with deck on top as back porch adding bathroom & bed with family living space
Valuation:
$142,500
Permit #:
201711224682
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remodel (e) 3-story 2-unit building. addition of 4th floor
Valuation:
$1,000,000
Permit #:
201804267450
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Addition non-structural partitions; addition accessible restroom with shower; widen rear loading opening & truck ramp. replace windows in kind 8 upper like for like steel. no structural work
Valuation:
$98,000
Permit #:
201708296325
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Excavate to 4 feet. remove and replace (e) brick foundation with new upgrades concrete foundation
Valuation:
$50,000
Permit #:
201807316030
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Interior kitchen bathroom stair remodel. no change to envelope or square footage window replacement
Valuation:
$135,000
Permit #:
201812208844
Status:
suspended
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
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Chris McMahon Construction License info
License Not Verified
| License # | C22982 |
| Status | Active |
| State | California |
| Type | Architect |
| Business Type | Sole Ownership |
- When BuildZoom last verified this license, it had an expiration date of September, 2025. Check the current license status of Chris McMahon Construction with the California Architect License Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 22982 |
| Status | Active |
| State | California |
| Business Type | Sole Ownership |
- When BuildZoom last verified this license, it had an expiration date of September, 2021. Check the current license status of Chris McMahon Construction with the California Architect License Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 641412 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Chris McMahon Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
68
Permits
- Building permit records show that Chris McMahon Construction has worked on 68 permitted projects.
Chris McMahon Construction Employees
CM
Christopher Philip Mcmahon
Sole Owner
MP
Mcmahon Christopher P
Owner