Updated: Aug 02, 2025
Location and Projects
Address
170 MAIDEN LANE, San Francisco, CA, 94108
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Hornberger & Worstell Architect
Hornberger & Worstell Inc, 170 Maiden Ln, San Francisco, CA (Owned by: John Claude Davis) holds a Architect license and 1 other license according to the California license board.
Their BuildZoom score of 99 ranks in the top 15% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hornberger & Worstell Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Hornberger & Worstell Inc Services
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Hornberger & Worstell Inc Contact Information
Phone Number: (415) 391-1080
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Address: 170 MAIDEN LANE, San Francisco, CA 94108
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Hornberger & Worstell Inc San Francisco
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Hornberger & Worstell Inc has a BuildZoom score of 99, which places them above 85% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Hornberger & Worstell Inc has worked on at least
3.0 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.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$1mil+ |
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 Hornberger & Worstell Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Unit 1701 - revision to pa 202502140386 to include decorative soffit @ kitchen for lighting
Valuation:
$5,000
Permit #:
202505076021
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Revision to mechanical fan and smoke damper matrix for cfc closeout. ref pa# 201509227707
Valuation:
$1
Permit #:
202209162626
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Install addition fire pits at rooptop lounge deck. relocate 3 firepits install 8 new firepits
Valuation:
$120,000
Permit #:
202001313252
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Unit 55a: remodel existing living space less kitchen
Valuation:
$150,000
Permit #:
202011309858
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
To repair fire damage. replace damaged walls + ceilings on guestroom floor w/rated construction. incorporate guestroom bathrooms w/rated doors replace (e) laundry chutes w/rated (n) chutes and doors. replace damaged wood sub-flr + concrete slab at 2nd fl w/(n) structural steel frame + concrete deck
Valuation:
$4,800,000
Permit #:
201502128241
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Voluntary structural strengthening of vacant commerical (ice-cream) floor level in clock tower partial interior demolition permention grouting of foundation/soils. f.r.p. strengthening at masonry walls. no exterior work work located in 3 story clock tower building. n/a maher ordinance
Valuation:
$300,000
Permit #:
201406097897
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
05 - food/beverag...
Revision to pa# 2013/05/10/6635. repair fire & smoke damage to historic lobby. replace (e) doors with rated doors replace laundry chute with rated laundry chute. ** maher: compliance with ordinance no# 155-13 not required **
Valuation:
$1,200,000
Permit #:
201504103387
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Reference approved plans per app#201305106635. replace side walk over the vault and sidewalk elevator and construct a 5 inch shotcrete wall to support sidewalk and construct a shotcrete wall around propose transformer vault. intergrate vault & sidewall elevator pits. n/a for maher
Valuation:
$250,000
Permit #:
201512185501
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Int. alterations to (e) bldg; minor vol. seismic strengthening of building structure; voluntary remodeling of (e) public rstrms; addition of a new elevator serving all floor levels; replace certain (e) building mechanical equip no extension. alter. & no added or removed (e) building sq. ft. under this scope of work
Valuation:
$1,300,000
Permit #:
201603172390
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
38 - health studi...
#4225- new tenant improvement. work for new property sales and leasing office including new client presentation areas new and non-functional model residential unit accessory offices and support areas & break room. includes mep. n/a ordinance #155-13
Valuation:
$800,000
Permit #:
201501125519
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Portions 1st & 4th fl interior alteration to prov updated classroom& staff office space for university use. addition of restroom facilities to accommodate classrm uses&break space, no extrerior alterations, mep under separate permit. compliance with maher ordinance #155-13 not req
Valuation:
$1,750,000
Permit #:
201405085261
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
45 - school
Revision for pa# 2015/09/22/7707-s3. (arch & mep). and administrative correction to addition occupancy codes from only (r-1) to (r-1, a-2, a-3, b, s-2) as previously approved. ** maher: n/a **
Valuation:
$1
Permit #:
201912058761
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Revision to pa#201509227707-s3 to 3rd lv meeting room 330 and to demonstrate furniture layout for sffd assembly occupant load for place of assembly operational permit
Valuation:
$1
Permit #:
202204202634
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Mep work on floors 2-7 only. architectural nder separate permit. basement 1st floor & mezz under separate permit
Valuation:
$2,000,000
Permit #:
201311051149
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Seismic retrofit of (e) hotel. new complying (e) stairs corridors & exits. upgrade guestrooms to be accessible
Valuation:
$2,010,000
Permit #:
201301288919
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Health plan check review only of previously approved food service facilities on level 2 & 3. ref pa# 201509227707. construction of new kitchens on 2nd and 3rd fl of new building
Valuation:
$1
Permit #:
202108045739
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Revision to app#201501236548. construction of 5 inch shotcrete wall at basement along mcallister street to support new sidewalk. n/a for maher
Valuation:
$150,000
Permit #:
201512185502
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Structural upgrade for sidewalk. no building demolish under this permit. sidewalk upgrade along mcallister st. maher n/a
Valuation:
$80,000
Permit #:
201501236548
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Revision to 201305106635 exterior revision to meet city planning reqs for historical storefront and entry. work to include marquee transom. louvers finishes (n) warerproofing for marquee roof. maher na
Valuation:
$1
Permit #:
201610120060
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Tenant improvement for lobby area on the ground floor. new drywall partitions and ceilings doors cabinetry and finishes for hotel bar. electrical hvac & plumbing sprinkler & life/safety seperate permit
Valuation:
$633,000
Permit #:
200801283351
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
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Hornberger & Worstell Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Hornberger & Worstell Inc License info
Verified License
| License # | C9251 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Hornberger & Worstell Inc at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | ARC-401577 |
| Status | Active |
| State | Colorado |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of October, 2013. Check the current license status of Hornberger & Worstell Inc with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
26
Permits
- Building permit records show that Hornberger & Worstell Inc has worked on 26 permitted projects.
Hornberger & Worstell Inc Employees
JD
John Claude Davis
Owner