Updated: May 27, 2026
Location and Projects
Address
P O BOX 27026, San Francisco, CA, 94127
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Ken O Sullivan Construction & Renovation
Based in San Francisco, Ken O Sullivan Construction & Renovation brings 17 years of experience to residential remodeling and renovation projects throughout the city. The company focuses on a range of home improvement services, including kitchen and bathroom remodels, whole-home renovations, and structural upgrades. Projects commonly feature work on single-family homes and multi-unit buildings typical of San Francisco neighborhoods. Clients rely on Ken O Sullivan Construction & Renovation for their capability in addressing the specific challenges of San Francisco properties, such as maximizing limited space and updating older structures while complying with local building codes. With nearly two decades of experience, the firm is familiar with the architectural styles and renovation needs unique to the Bay Area housing market.
Ken O Sullivan Construction & Renovation Services
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Ken O Sullivan Construction & Renovation Contact Information
Phone Number: (415) 742-5340
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Address: P O BOX 27026, San Francisco, CA 94127
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Ken O Sullivan Construction & Renovation San Francisco
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Ken O Sullivan Construction & Renovation has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
6 projects
|
2024 |
|
20 projects
|
2023 |
Our building permit records indicate that Ken O Sullivan Construction & Renovation has worked on at least
29.0 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
|
6 projects
|
Home Additions |
|
4 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Ken O Sullivan Construction & Renovation mostly works on
home addition
and kitchen remodel
projects.
Pricing
|
7 projects
|
< $5k |
|
12 projects
|
$5k-$20k |
|
9 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $12,017. 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 Ken O Sullivan Construction & Renovation
This is a sample of this contractor's permits. Click here to access their complete permit history.
At west pl wall infill (2) windows to 1 hr condition in units 102/103. in units 102-103 202-203 303 remove 5 wood windows raise sills to match neighbors building to allow cross property flashing. install 5 new fixed 1 hr rated windows fixed windows. no structural work
Valuation:
$101,000
Permit #:
202409160841
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
At west p.l. wall on 1st floor remove 2 wood d/h. windows - no longer useable due to neighbors new construction. infill both opening to 1hr. condition. restore finishes. no structural work
Valuation:
$5,500
Permit #:
202409201238
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Replace existing stairs with new concrete in same configuration. exterior shall be smooth stucco. existing hardship addressed in completed permit application pa#202212299396
Valuation:
$25,000
Permit #:
202408017748
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
To comply with infeasibility or undreasonable hardship abe ordinance per 51-16 abe#202008312908 replace existing handrails at existing stairs leading to entrance addition contrast stripping on stair treads addition sign at entry step applying for technical infeasibility because of stairs
Valuation:
$12,017
Permit #:
202212299396
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
1019-1021 carolina st: replace windows on west and north walls with new marvin windows max u-factor 0.30 or better; upper unit 1021:kitchen remodel incl. new kitchen cabinets counters bathroom remodel incl. new tile and bathroom fixtures. no structural work; repair dryrot at garage
Valuation:
$45,000
Permit #:
202111031717
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Remove existing t iii from rear porch. dry rot repair. installnew cement siding. remove 4 existing aluminium windows single pane replace with new vinyl sliders. all work not visible from public right of way
Valuation:
$8,000
Permit #:
202010237268
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Close off exisitng 2nd floor fireplace @ upper unit. maintain 1 hour separtion. extend lower unit bathroom vent pipe to code. no structural work. fireplace flu to remain open to firebox. note; all work to be performed within a single unit only
Valuation:
$5,000
Permit #:
202305198141
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Reroofing
Valuation:
$12,000
Permit #:
202304105369
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Tenant improvement supply and install 3 ceiling horn strobes and 1 ceiling strobe and tie them to the e fire alarm system in 1422-1426 noriega st. ref 202201266651 ref 202212067721 sprinkler
Valuation:
$2,400
Permit #:
202303033030
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
To comply with nov 202292482 remove decking debris from egress to garage at exterior yard install new guard-rail to protect stair opening patch cosmetic crack in chimeny support with repair mortar. install non-bearing wall & header
Valuation:
$6,500
Permit #:
202304105389
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Rear: reroofing
Valuation:
$13,000
Permit #:
202305127716
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
To comply with the accessible business entry program. replace (e) entry way aluminum doors with new 36 wide ada compliant door and new hardware. no structural work. abe# 202209294807
Valuation:
$4,550
Permit #:
202309126358
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Mandatory fire alarm upgrade to comply with ca. state fire marshal code 12-001 (7-23-2012) bulletin (9-4-2008) replace fire alarm panel and addition lf horns in 8 units and wireless radio communicator
Valuation:
$10,000
Permit #:
202305117602
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Reconfigure interior stair adding a den on 1st floor and installing a skylight at 2nd floor. no exterior or front facade alteration work
Valuation:
$30,000
Permit #:
202305117577
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Main lobby: new lighting & t-24
Valuation:
$25,000
Permit #:
202305117573
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Replace existing rotted garage door in kind. no electrical motor. wood panel grage door replace damaged 2x12 joists in kind. new 3/4 plywood patch roof replace skylight in kind replace spiral stair in kind
Valuation:
$35,000
Permit #:
202304105401
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
2nd fl - fire only work for the data room remodel; additions are 15 modules 2 horn/strobes as well the relocation of 3 horn/strobes. ref pa 2022-0610-6089
Valuation:
$10,588
Permit #:
202304276552
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Five double hung sashes in kind- wood in wood out street facing
Valuation:
$9,000
Permit #:
202304286668
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Revision to pa 201912169688 under construction. new foundation @ north property line due to (e) conditions
Valuation:
$15,000
Permit #:
202304286690
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Prj-023-0529: priority process per ab-004: erect type-v tiny cabins for temporary homeless shelter community
Valuation:
$4,361,354
Permit #:
202305016790
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
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Verified License
BuildZoom confirmed this contractor's license
Ken O Sullivan Construction & Renovation License info
Verified License
| License # | 694585 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Ken O Sullivan Construction & Renovation at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
89
Permits
- Building permit records show that Ken O Sullivan Construction & Renovation has worked on 89 permitted projects.
Ken O Sullivan Construction & Renovation Employees
KS
Kenneth Edward O Sullivan
Owner
KO
Kenneth Edward O'sullivan
Sole Owner