Updated: Oct 24, 2025
Location and Projects
Address
406 DANA STREET, Petaluma, CA, 94952
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WoLPert William Butterfield Architect
WoLPert William Butterfield, 406 Dana St, Petaluma, CA (Owned by: Wolpert William Butterfield) holds a Architect 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 WoLPert William Butterfield, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
WoLPert William Butterfield Contact Information
Address: 406 DANA STREET, Petaluma, CA 94952
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WoLPert William Butterfield Petaluma
Quality
95
78th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
WoLPert William Butterfield has a BuildZoom score of 95, which places them above 78% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
Our building permit records indicate that WoLPert William Butterfield has worked on at least
2.0 projects over the past year.
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
|
$100k-$250k |
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 WoLPert William Butterfield
This is a sample of this contractor's permits. Click here to access their complete permit history.
Proposed pool and spa w pre-fab water slide (902 sf - max 6 depth)
Valuation:
$151,522
Permit #:
BLDR-031956-2024
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hauling permit for proposed pool construction
Valuation:
N/A
Permit #:
HAUL-035602-2025
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hauling permit for work relating to pool permit bldr-031956-2024
Valuation:
$151,522
Permit #:
HAUL-031958-2024
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
3rd party-new replacement single family dwelling - 2844 sq ft with 283 sq ft porch (1, 008 sq ft (e) single family dwelling to be demo'd) --7/25/2018 temp occpy
Valuation:
N/A
Permit #:
BLD17-1551
Status:
final
Fee:
$25,017
Permit Type:
N/A
Building Type:
N/A
Demolish (e) 1008 sq ft single family dwelling (replacement single family dwelling in process)
Valuation:
N/A
Permit #:
DEM17-0077
Status:
final
Fee:
$206
Permit Type:
N/A
Building Type:
N/A
Remodel 476 sq ft of single family dwelling - kitchen laundry area and new walls - attic stairs to relocate furnace - 12/09/16 - revise electrical upgrade from 125 amps to 200 amps
Valuation:
N/A
Permit #:
BLD16-2587
Status:
final
Fee:
$2,039
Permit Type:
N/A
Building Type:
N/A
Single family dwelling - re-roof with metal and addition dormer and insulation
Valuation:
N/A
Permit #:
BLD16-3518
Status:
final
Fee:
$1,587
Permit Type:
N/A
Building Type:
N/A
2nd unit architectural review bayside design review exemption second dwelling unit rmd permit & architectural review exemption for a new 3-car garage with a 2nd unit on the 2nd floor; includes the remodel of the entry to the main house a new attached solarium a detached greenhouse & removal of 6 fir trees (4-8 dbh) & various landscaping elements including 2 ponds
Valuation:
$0
Permit #:
PLN2001-00177
Status:
Closed
Fee:
$1,405
Permit Type:
N/A
Building Type:
N/A
Change to roof insulation installation design
Valuation:
N/A
Permit #:
BLD16-3518.R01
Status:
complete
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Non-structural tenant improvement. 2080 sq. ft. to expand suite#500. install nonbearing partitions and suspended ceiling
Valuation:
N/A
Permit #:
96016-10000-01556
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Site-w/s frpc: findings report by consultant
2013-09-04
Review of findings report by consultant
Valuation:
$0
Permit #:
SEV13-0509
Status:
COMPLETE
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Approx 6, 000 s.f. interior expansion (phase 1) 2nd flr(see building rq)
Valuation:
$240,000
Permit #:
97001550
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement. phase 4 office space appx 15, 000 s.f. - 1st & 2nd floor
Valuation:
$120,000
Permit #:
97001548
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
30th floor 3628 sq ft non-bearing interior tenant improvement
Valuation:
N/A
Permit #:
98016-70000-15479
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Mezzanine 4, 024 sq ft non-bearing interior tenant improvement
Valuation:
N/A
Permit #:
98016-70000-14355
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
1st floor 8490 sq ft non-bearing interior tenant improvement
Valuation:
N/A
Permit #:
98016-70000-14345
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement. office space phase ii appx 5000 s.f. first floor
Valuation:
$100,000
Permit #:
97001554
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement. office space phase iii appx 5000 s.f. - first floor
Valuation:
$100,000
Permit #:
97001549
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Repair fire damage to single family dwelling with attached garage shop
Valuation:
N/A
Permit #:
BLD06-0551
Status:
final
Fee:
$5,641
Permit Type:
N/A
Building Type:
N/A
Tppc: single family dwelling addition/remodel new deck w/spa
Valuation:
N/A
Permit #:
BLD06-0940
Status:
final
Fee:
$2,550
Permit Type:
N/A
Building Type:
N/A
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WoLPert William Butterfield Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
WoLPert William Butterfield License info
Verified License
| License # | C17133 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom has not verified this license since March, 2025.
Verify this license's status for WoLPert William Butterfield at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
16
Permits
- Building permit records show that WoLPert William Butterfield has worked on 16 permitted projects.
WoLPert William Butterfield Employees
WB
Wolpert William Butterfield
Owner