Updated: Sep 03, 2025
Location and Projects
Address
1611 BOREL PLACE STE 230, San Mateo, CA, 94402
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DON IONESCU ARCH & PLANNERS Architect
DON IONESCU ARCH & PLANNERS, 1611 Borel Pl, San Mateo, CA (Owned by: Don Ionescu Arch & Planners (D) holds a Architect license and 1 other license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring DON IONESCU ARCH & PLANNERS, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
DON IONESCU ARCH & PLANNERS Services
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DON IONESCU ARCH & PLANNERS Contact Information
Phone Number: (650) 570-6681
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Address: 1611 BOREL PLACE STE 230, San Mateo, CA 94402
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Building Permits by DON IONESCU ARCH & PLANNERS
This is a sample of this contractor's permits. Click here to access their complete permit history.
Renovate(e)1x1 residential unit to 2x2 residential unit. convert(e)gym to 1x1 residential unit(existing space's former use). relocate community laundry to ground level & convert(3)laundry to community amenity space. renovate (e)leasing office & ground amenities to (n) leasing office & fitness ctr
Valuation:
$120,000
Permit #:
201612296199
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Interior remodel of 1 950sf to convert thrift store into a food panty and packing room
Valuation:
$250,000
Permit #:
BD-2021-280194
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen powder room relocate 3 baths. remodel master bathroom remove additions at lower level. no structural work. remodel additional bathroom (6 total). removed addition not visable from street (some of this work was done without permit.)
Valuation:
$185,000
Permit #:
200606023074
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Building 6 new modular condo bldgs containing 84 units above podium garages. **state approved drawings for modular structures (plan approval no. cmj-cha-fbh-1)
Valuation:
$10,771,736
Permit #:
2004 125791 TM
Status:
complete
Fee:
$17,134
Permit Type:
Multifamily
Building Type:
N/A
Install modular building 7 for phase iia. structure to be erected above masonry garage. 8 unit condo state approved drawings for modular structures (plan approval no. cmj-cha-fbh-1)
Valuation:
$839,768
Permit #:
2004 122752 MF
Status:
final
Fee:
N/A
Permit Type:
Condo
Building Type:
N/A
Planned development rezoning from li light industrial zoning district to a(pd) planned development zoning district to allow up to 250 single-family attached residences in three-story buildings constructed at-grade and on a podium on a 4.4 gross acre site
Valuation:
N/A
Permit #:
2006 025205 ZN
Status:
approved
Fee:
N/A
Permit Type:
Pd zoning
Building Type:
N/A
Building 60 new condos- podium is site built units are premanufactured and state inspected
Valuation:
$23,143,932
Permit #:
2003 109199 TM
Status:
complete
Fee:
N/A
Permit Type:
Multi family
Building Type:
N/A
Planned development permit to demolish existing structures relocate and rehabilitate a historic gas station building and construct 250 single-family attached residences on a 4.43 gross acres site
Valuation:
N/A
Permit #:
2007 034239 DV
Status:
approved
Fee:
N/A
Permit Type:
Pd permit
Building Type:
N/A
Remodel kitchen addition bathroom relocate bathroom, addition at rear of 1st and 2nd floor. addition on sides of 1st floor
Valuation:
$160,000
Permit #:
200507147639
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Planned tentative condominium map to subdivide 5 parcels into 11 lots for 100 single family attached residences on a 2.37 gross acre site
Valuation:
N/A
Permit #:
2003 122145 SB
Status:
approved
Fee:
N/A
Permit Type:
Tentative condomi...
Building Type:
N/A
Building new condo building plan a
Valuation:
$2,180,557
Permit #:
2004 132540 MF
Status:
complete
Fee:
N/A
Permit Type:
Condo
Building Type:
N/A
New 17 unit garage building for 17 modular condominium units above. (plan a)
Valuation:
$392,414
Permit #:
2005 001382 MF
Status:
final
Fee:
N/A
Permit Type:
Condo
Building Type:
N/A
New 17 unit garage building for 17 modular condominium units above. (plan a)
Valuation:
$392,414
Permit #:
2005 001384 MF
Status:
final
Fee:
N/A
Permit Type:
Condo
Building Type:
N/A
Building 8 unit garage building for 8 modular condominium units above. (plan b)
Valuation:
$184,919
Permit #:
2005 001386 MF
Status:
final
Fee:
N/A
Permit Type:
Condo
Building Type:
N/A
New 17 unit garage building for 17 modular condominium units above. (plan a)
Valuation:
$392,414
Permit #:
2005 001388 MF
Status:
final
Fee:
N/A
Permit Type:
Condo
Building Type:
N/A
New 17 unit garage building for 17 modular condominium units above. (plan a)
Valuation:
$392,414
Permit #:
2005 001393 MF
Status:
final
Fee:
N/A
Permit Type:
Condo
Building Type:
N/A
Building new 17 unit modular condo building plan a - total square footage: 26, 491
Valuation:
$1,788,143
Permit #:
2005 001224 MF
Status:
final
Fee:
N/A
Permit Type:
Condo
Building Type:
N/A
Building new 8 unit modular condo building plan b - total square footage: 12, 442
Valuation:
$839,835
Permit #:
2005 001253 MF
Status:
final
Fee:
N/A
Permit Type:
Condo
Building Type:
N/A
Building new 8 unit modular condo building plan b - total square footage: 12, 442
Valuation:
$839,835
Permit #:
2005 003578 MF
Status:
final
Fee:
N/A
Permit Type:
Condo
Building Type:
N/A
Building new 17 unit modular condo building plan a - total square footage: 26, 491
Valuation:
$1,788,143
Permit #:
2005 003579 MF
Status:
final
Fee:
N/A
Permit Type:
Condo
Building Type:
N/A
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DON IONESCU ARCH & PLANNERS License info
Verified License
| License # | C12154 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom verified this license was active as of September 2025.
Verify this license's status for DON IONESCU ARCH & PLANNERS at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | C12154 |
| Status | Active |
| City | San Carlos |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of March, 2015. Check the current license status of DON IONESCU ARCH & PLANNERS with the The City of San Carlos, CA
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
34
Permits
- Building permit records show that DON IONESCU ARCH & PLANNERS has worked on 34 permitted projects.
DON IONESCU ARCH & PLANNERS Employees
D(
Don Ionescu Arch & Planners (D
Owner