Updated: Nov 10, 2025
Location and Projects
Address
5556 Tunitas Ave, Atascadero, CA, 93422
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Nathan Simpson Architect
Nathan Simpson Architect at 5556 Tunitas Ave, Atascadero, CA 93422, has a BuildZoom score of 0 and ranks in the top 99% of 336,931 California contractors.
If you are thinking of hiring Nathan Simpson Architect, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Nathan Simpson Architect Services
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Nathan Simpson Architect Contact Information
Phone Number: (415) 843-1858
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Address: 5556 Tunitas Ave, Atascadero, CA 93422
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Nathan Simpson Architect Atascadero
Quality
Alert*
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We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Nathan Simpson Architect, click “This is My Business” to update your information.
Activity
|
6 projects
|
2025 |
|
10 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Nathan Simpson Architect has worked on at least
22.0 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
|
7 projects
|
Commercial Renovations |
|
5 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Nathan Simpson Architect mostly works on
commercial renovation
and home addition
projects.
Pricing
|
7 projects
|
< $5k |
|
3 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
The typical size of their permits is approximately $17,500. 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 Nathan Simpson Architect
This is a sample of this contractor's permits. Click here to access their complete permit history.
Residential addition alteration - single-family dwelling
2025-09-23
Remodel single family dwelling to raise height of all interior walls and replace roof system without changing height of building (1989 sf) and attached garage (504 sf) residing replace deck/stairs (328 sf) and covered porch (158 sf) replace windows and doors and replace water heater
Valuation:
$449,442
Permit #:
RALT2025-00233
Status:
filed
Fee:
$7,419
Permit Type:
N/A
Building Type:
N/A
Upgrade (e) commericial entries per ordiance 51-16 abe program to comply with accesible entrance program. abe #202410160267 1. reconfigure security gate 2. replace threshhold 3. relocate power door operation
Valuation:
$5,519
Permit #:
202410153001
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Upgrade existing commerical entries per ordiance 51-16 abe program to comply with accessible business entrance program ord 51-16. ref abe 201902135149. install power door operator botton at interior and exterior. install signage for power operator
Valuation:
$2,900
Permit #:
202309257359
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
No new conditioned space added work includes wall plumbing & electrical relocations no changes to exterior. 8/23- convert 4 existing 2 bedrrom unit to 4 1 bedroom units and 4 studio units for a net increase of 4 dwelling units n the property
Valuation:
$650,000
Permit #:
201907055182
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Legalize a dwelling unit on the first floor of an existing 32 unit 6 story residential building per section 207.3 (ord. 43-14). all work located within existing building envelope at first floor. egress for existing units to be maintained
Valuation:
$90,000
Permit #:
202202238510
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Temp occ requested 5/31/2023 (rev01_3/22/22** covered patio and retaining wall)renovate existing 3 bed 2 bathroom home by reconfiguring interior addition one half bathroom convert attached garage to living space replace part of roof with manufacturered trusses. building a detached garage adjacent to home
Valuation:
N/A
Permit #:
BLD21-0316
Status:
final
Fee:
$8,393
Permit Type:
N/A
Building Type:
N/A
Revision to 202307212689 and 202308305592 to include in scope: building new drop ceiling throughout retail space.add new lighting to the ceiling. adding electrical outlets
Valuation:
$30,000
Permit #:
202310108285
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
05 - food/beverag...
Units 101 103 203 (1st/2nd flrs): renovate 3 (e) dwelling units. 2 of 3 units have same floor plan. convert (e) kitchen to bedroom relocate kitchen. install washer/dryer
Valuation:
$120,000
Permit #:
202103317603
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Legalize (e) non-documented dwelling unit on the 6th floor of a 42 unit apartment building per ordinance no. 43-14. also to comply with nov 200556923
Valuation:
$250,000
Permit #:
201910215016
Status:
reinstated
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Revision to pa# 202309257353 installation of sign over the door to read door to remain unlocked during regular business hours power operator to be install on left side outside
Valuation:
$1
Permit #:
202403016946
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Unit #9: convert existing 2, 660 sq ft. 3 bed 3 bathroom dwelling to a 4 bed 3.5 bathroom unti within the same footprint. renovate existing kitchen & bathrooms relocate laundry utilities
Valuation:
$200,000
Permit #:
201911278306
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Ground floor - barrier removal project demolish (e) restroom/build new accessible single occupancy restroom on ground floor of (e) vacant commercial space
Valuation:
$21,791
Permit #:
202302101797
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Renovate existing 3 bed 2 bathroom home by reconfiguring layout convert garage into living space addition a fourth bedroom and 1.5 baths addition fire place. building an attached carport and garage with office above garage with full bathroom
Valuation:
N/A
Permit #:
BLD20-8519
Status:
issued
Fee:
$17,776
Permit Type:
N/A
Building Type:
N/A
Upgrade (e) commercial entries per ordiance 51-16 abe program to comply with accessible entrance program: abe #201812183123. install power door operator
Valuation:
$1,200
Permit #:
202407317675
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Construction (n) exit acess stairwell between levels 6:7 remodel units 72 and 65 to accomodate (n) stair unit 65 to receive remodeled ktichen and (n) washer/dryer
Valuation:
$50,000
Permit #:
202109228925
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
85 - residential ...
Renovate 3 (e) dwelling units. all 3 units have same floor plan. convert (e) kitchen to bedroom. relocate kitchen remodel (e) bathroom. install (n) washer/dryer
Valuation:
$158,000
Permit #:
202011098558
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Upgrade (e) commercial entry per ordinance 51-16 be program to comply w/accessible entrance program abe 202002111973 new power door opener
Valuation:
$5,000
Permit #:
202308104181
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
05 - food/beverag...
Upgrade (e) commercial entry per ordinance 51-16 abe program to comply w/accessible entrance program. 395 17th st abe # 201902135146.install new door and repair bricks per nov #202533173
Valuation:
$17,500
Permit #:
202412207249
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Upgrade (e) commerical entries per ordiance 51-16 abe program to comply with accessible business entrance program ord 51-16. ref abe 201905105759. install power door operator
Valuation:
$3,500
Permit #:
202309257353
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Revision to pa# 202307212689. to include scope: demolish (e) hardlid ceiling throughout retail space and replace bathroom exhaust fan
Valuation:
$1,500
Permit #:
202308305592
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
05 - food/beverag...
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Nathan Simpson Architect License info
Unverified License
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50
Permits
- Building permit records show that Nathan Simpson Architect has worked on 50 permitted projects.