Updated: Oct 23, 2025
Location and Projects
Address
6289 VALLEJO STREET, Emeryville, CA, 94608
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Hellmann Kerstin Sigrun Architect
Hellmann Kerstin Sigrun, 6289 Vallejo St, Emeryville, CA holds a Architect 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 Hellmann Kerstin Sigrun, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Hellmann Kerstin Sigrun Services
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Hellmann Kerstin Sigrun Contact Information
Address: 6289 VALLEJO STREET, Emeryville, CA 94608
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Hellmann Kerstin Sigrun Emeryville
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Hellmann Kerstin Sigrun has a BuildZoom score of 99, which places them above 85% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
4 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Hellmann Kerstin Sigrun has worked on at least
7.0 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
|
2 projects
|
$50k-$100k |
|
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 Hellmann Kerstin Sigrun
This is a sample of this contractor's permits. Click here to access their complete permit history.
Interior remodel of kitchen and one baths replace windows in (e) openings (n) water heater at (n) shed (n) rear deck less than 30 above grade
Valuation:
$185,000
Permit #:
B2024-04229
Status:
plancheck
Fee:
$3,715
Permit Type:
N/A
Building Type:
N/A
Convert (e) accessory building to (n) accessory dwelling unit. addition 75 s.f. addition for a kitchen and entry
Valuation:
$80,000
Permit #:
B2024-02618
Status:
plancheck
Fee:
$2,198
Permit Type:
N/A
Building Type:
N/A
Remodel second floor bathroom. increase valuation from $185 000 to $195 000
Valuation:
N/A
Permit #:
B2024-04229-REV01
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior bathroom addition bathroom remodel 1 new window 1 new door chimney & fp demoval re-roofing
Valuation:
$50,000
Permit #:
B2023-02805
Status:
plancheck
Fee:
$1,070
Permit Type:
N/A
Building Type:
N/A
Interior remodel remove chimney new slider (interior)
Valuation:
N/A
Permit #:
BD2404-0049
Status:
final
Fee:
$3,243
Permit Type:
Without structural
Building Type:
N/A
Addition 7'-10"x38 irr shape attached deck to existing single family dwelling. comply with department order effective date 09/19/2011. permit will expire 30 days from issuance date
Valuation:
N/A
Permit #:
11014-20000-03482
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
B2024-04229-REV02
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ret wall backfill and excavation
Valuation:
N/A
Permit #:
10030-20000-00924
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remodel (e) kitchen and remove a wall and replace w posts and beam. remodel 2nd floor & raise and provide (n) ceiling joists in (e) bedroom on 2nd floor of (e) 2-story single family dwelling. all work is per engineering. comply with department order dated april 4 2001. permit will expire 30 days from issuance date. (see comments)
Valuation:
N/A
Permit #:
12016-20000-23536
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior remodel to remove (e) wall between family room and breakfast nook create (n) 6 x 7 opening for (n) sliding door from (e) family room & minor kitchen remodel on 1st floor of (e) 2-story sfd; per engineer
Valuation:
N/A
Permit #:
12016-20000-17129
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Single story addition to an existing single family dwelling. total of three bedrooms including the addition. ***comply with department order effective date 07/11/2011. permit will expire 30 days from issuance date***
Valuation:
N/A
Permit #:
12014-20000-01123
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
20 x 18'1 addition at front consisting of kitchen extension bedroom laundry closet and 3/4 bathroom. also 11'9 x 22 bedroom and bathroom extension at rear. convert (e) 22'6 x 22'6 garage to family room and addition 20 x 24'6 carpoprt. related elec/hvac/plumbing. total conditioned area= 1124.75
Valuation:
N/A
Permit #:
05014-70000-04657
Status:
applied
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace existing 1x6 deck boards with new 2x6 boards and replace guardrail per engineers design. <less than 10% damage>"comply with department order effective date 08/17/2009. permit will expire 30 days from issuance date. ---------------permit valuation to be verified by inspector --------
Valuation:
N/A
Permit #:
09016-20000-17176
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
1) remove (e) front exterior stairs and relocate to side/back ( new wood stairs with steel guardrail). 2) relocate lower unit front door. 3) interior remodel dividing living room creating a new bedroom in each unit. work is to comply with order dated 5/28/03 and shall be completed within 30 days from the date of issuance
Valuation:
N/A
Permit #:
05016-70000-17858
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
20 x 25'-7 irregular-shaped addition at rear of existing one story single family dwelling to create 2 bedrooms and a living room. related hvac/elec/plumbing. construction per type v sheet p/bc 2002-004. work in compliance with department order dated 02/09/07. permit will expire 30 days from issuance
Valuation:
N/A
Permit #:
07014-70000-02351
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Proposed 12'-9"x 22'-3 iregular shaped addition to the front of the (e) single family dwelling consisting of (1) bedroom and front porch (143 sqft). and 19'-8 x 7'-4 irregular shaped addition to the rear consisting of (1) bathroom and laundry room (23 sqft). related elec/plumbing/hvac
Valuation:
N/A
Permit #:
07014-70000-04435
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Early start permit to rebuild 2183 single family dwelling damaged by fire. work will comply with the order dated 7/30/01. work is permitted for site prep and additional footing for primary anchorage. tv = $188, 000 this permit = 33% = $62, 000 120 days to complete
Valuation:
N/A
Permit #:
01010-70001-02263
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
First and second floor addition to (e) two story sdf at rear enlarging master bedroom and adding a new bedroom. work include an 8'-0 x 14 bridge (breeze way) from the master bedroom to the roof of the existing rear rec room/sundeck
Valuation:
N/A
Permit #:
04010-70000-00606
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to pcis 04010-70000-00606. revised plans raise (e) gable roof on the front (over garage area) of the (e) single family dwelling. also to replace (e) 6x12 beam with a gluelam bm. over the living room area. no change in building height
Valuation:
N/A
Permit #:
04010-70001-00606
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Rebuild 2183 single family dwelling damaged by fire. reuse existing foudation. work inlcudes a 171 addition resulting in a 2354sf single family dwelling with an 400sf attached garage. work will comply with the order dated 7/30/01 120 days to complete work. (see comments)
Valuation:
N/A
Permit #:
01010-70000-02263
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Hellmann Kerstin Sigrun License info
Verified License
| License # | C32426 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Hellmann Kerstin Sigrun at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
117
Permits
- Building permit records show that Hellmann Kerstin Sigrun has worked on 117 permitted projects.
Hellmann Kerstin Sigrun Employees
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Hellmann Kerstin Sigrun
Owner