How many projects has Gregory Ashton General Contractor Inc undertaken?

Gregory Ashton General Contractor Inc has pulled 76.0 building permits since 1987.

Does Gregory Ashton General Contractor Inc carry a valid contracting license?

Gregory Ashton General Contractor Inc currently holds license C31262, 807630, 287863, 326181 (Architect, General Building), which was Active when we last checked.

Gregory Ashton General Contractor Inc

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Costa Mesa

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Updated: Apr 20, 2026

Gregory Ashton General Contractor Architect

Gregory Ashton General Contractor Inc, 270 E Wilson St, Costa Mesa, CA (Owned by: Ashton Gregory Paul) holds a Architect license and 3 other licenses according to the California license board.

Their BuildZoom score of 92 ranks in the top 32% of 336,931 California licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Gregory Ashton General Contractor Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

Building Permits by Gregory Ashton General Contractor Inc

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

Building/residential/al/alteration

10 Golden Ridge Ln, Alamo, CA, 94507

2015-07-22

Kitchen and bathroom remodel: replace cabinets countertop appliances sink island new outlets for microwave and wine fridge in kitchen. replace tub with shower replace toilet vanity. new tile floor. new exhaust fan in bathroom. *** 8-3-15 -- revision to addition remodel of master bathroom per additional plan -- bdb ***

Valuation:

N/A

Permit #:

BIAL15-007563

Status:

final

Fee:

$2,290

Permit Type:

N/A

Building Type:

N/A

Building Permit

270 E Wilson St, Costa Mesa, CA, 92627

2013-06-20

Construction of a 343 sf detached accessory structure and 191 sf addition to single family dwelling. 343 sf accessory structure to include 150 sf office 30 sf bathroom 1 toilet & sink 1 vent fan 35 sf closet, 63 sf storage 6 lights 12 outlets 6 switches

Valuation:

$60,000

Permit #:

BC13-00293

Status:

N/A

Fee:

N/A

Permit Type:

N/A

Building Type:

N/A

Combo permit

14749 Sylvia Way, San Leandro, CA, 94578

2007-03-21

Building 791 rear addition for master bedroom w bathrm. & walk-in clo bedroom family room & bathroom; addition skylights in (e) bathroom & kitchen; relocate main entry door; remove (e) 2 corner bedroom wdos. & install (n) wdo.; reroof (e) comparable shingles; service upgrade to 100 amps; install (n) central furnace; replace (e) main water line

Valuation:

$120,000

Permit #:

BLD2007-00516

Status:

final

Fee:

$4,739

Permit Type:

N/A

Building Type:

N/A

Building

270 E Wilson St, Costa Mesa, CA, 92627

2013-06-20

Valuation:

$60,000

Permit #:

BC13-00293

Status:

issued

Fee:

N/A

Permit Type:

N/A

Building Type:

N/A

Combo permit

841 Collier Dr, San Leandro, CA, 94577

2007-06-27

Kitchen and bathroom remodel. alter (e) br closet into (n) masterbath & building (n) closet. remove stairs (to outside) & install (n) pantry. remove wall bet din & kit; remove another wall in kit area. enlarge clothes closet in 2 (e) bedrms. replace water heater. remove and replace 6 windows. relocate 1 kit window. relocate portion of garage wall to enclose washer/dryer. apply sheetro... see more

Valuation:

$80,000

Permit #:

BLD2007-01346

Status:

final

Fee:

$2,803

Permit Type:

N/A

Building Type:

N/A

Combo permit

833 Collier Dr, San Leandro, CA, 94577

2015-12-02

Kitchen remodel same layout remove non load bearing pony wall laundry room remodel infill door addition shower to existing half bathroom r/r 3 windows

Valuation:

$40,000

Permit #:

B15-1773

Status:

final

Fee:

$1,090

Permit Type:

N/A

Building Type:

N/A

Combo permit

14749 Sylvia Way, San Leandro, CA, 94578

2007-03-21

Valuation:

$120,000

Permit #:

BLD2007-00516

Status:

final

Fee:

$4,739

Permit Type:

N/A

Building Type:

N/A

Combo permit

907 Collier Dr, San Leandro, CA, 94577

2012-04-18

Kitchen remodel- replace all cabinets & countertops fixtures & appliances; addition additional receptacles & light fixtures; widen wall opening between kitchen & dining; replace flue of (e) furnace

Valuation:

$18,500

Permit #:

BLD2012-00531

Status:

final

Fee:

$916

Permit Type:

N/A

Building Type:

N/A

Combo permit

14749 Sylvia Way, San Leandro, CA, 94578

2007-06-27

(see bld2007-00516) install new bar sink in (e) closet. new laundry tray and relocation of w/d in garage area. install new tankless water heater on side of dwel. (wh specs to be on jobsite 1st insp. wh not to be visible from street) install space maker microwave

Valuation:

$4,800

Permit #:

BLD2007-01348

Status:

final

Fee:

$263

Permit Type:

N/A

Building Type:

N/A

Combo permit

700 Rodney Dr, San Leandro, CA, 94577

2008-09-25

Remodel bathroom shower door to be tempered shower walls to be ceramic tile set in mud new toliet 1.6 gal lighting to be floor. install new exhaust fan and gfci recpt. r/r tub and shower valve - no work on load bearing walls

Valuation:

$13,500

Permit #:

BLD2008-01557

Status:

final

Fee:

$428

Permit Type:

N/A

Building Type:

N/A

Combo permit

400 Davis St, Apt 109, San Leandro, CA, 94577

2014-07-17

Kitchen remodel - new lighting fixtures; sink in same locaton. (see attached mandatory lighting measures)

Valuation:

$35,000

Permit #:

BLD2014-01128

Status:

final

Fee:

$631

Permit Type:

N/A

Building Type:

N/A

Building

841 Collier Dr, San Leandro, CA, 94577

2007-07-26

Permit value$80k kitchen and bathroom remodel. alter (e) br closet into (n) masterbath & building (n) closet. remove stairs (to outside) & install (n) pantry. remove wall bet din & kit; remove another wall in kit area. enlarge clothes closet in 2 (e) bedrms. replace water heater. remove and replace 6 windows. relocate 1 kit window. relocate portion of garage wall to enclose washer/dry... see more

Valuation:

N/A

Permit #:

BLD2007-01346

Status:

N/A

Fee:

N/A

Permit Type:

N/A

Building Type:

N/A

Simple permit

3318 Village Dr, Castro Valley, CA, 94546

2007-03-12

Re-roof. tear off existing roofing. @ b/u sections install new 3-ply b/u torch down roof system - class a. 45 squares

Valuation:

N/A

Permit #:

BLD2007-00516

Status:

final

Fee:

N/A

Permit Type:

N/A

Building Type:

N/A

Building

14749 Sylvia Way, San Leandro, CA, 94578

2007-06-27

Plumbing (see bld2007-00516) install new bar sink in (e) closet. new laundry tray and relocation of w/d in garage area. install new tankless water heater on side of dwel. (wh specs to be on jobsite 1st insp. wh not to be visible from street) install space maker microwave

Valuation:

N/A

Permit #:

BLD2007-01348

Status:

N/A

Fee:

N/A

Permit Type:

N/A

Building Type:

N/A

Combo permit

1111 Glen Dr, San Leandro, CA, 94577

2009-06-10

Addition 1/2 bathroom on rear of property. remodel 1st fl bathroom. replace (e) family room window w a sl gl door (same width opening). new conc landing for (e) kitchen exit door at rear

Valuation:

$42,500

Permit #:

BLD2009-00750

Status:

filed

Fee:

$1,928

Permit Type:

N/A

Building Type:

N/A

Building

5682 Avellina Dr, Dublin, CA, 94568

2015-03-26

Remodeling convert portion of three car garage to pantry 180 sq ft

Valuation:

N/A

Permit #:

BLDG-2015-00401

Status:

FINAL

Fee:

N/A

Permit Type:

N/A

Building Type:

N/A

Residential addition or adu

5682 Avellina Dr, Dublin, CA, 94568

2016-03-25

Convert portion of three car garage to pantry 180 sq ft

Valuation:

$20,250

Permit #:

BLDG-2015-00401

Status:

final

Fee:

$1,168

Permit Type:

N/A

Building Type:

N/A

Combo permit

749 Collier Dr, San Leandro, CA, 94577

2009-09-10

Convert (e) basement into den- enlarge remodel (e) bathroom into full bathroom; building separation wall between proposed den & 1-car garage; replace (e) window with a double-door

Valuation:

$22,500

Permit #:

BLD2009-01266

Status:

final

Fee:

$1,014

Permit Type:

N/A

Building Type:

N/A

Combo

4412 Weeping Spruce Ct, Concord, CA, 94521

2011-10-18

Replace kitchen cabinets/countertops, install 6 recessed fluorescent light fixtures & 2 undercabinet fluorescent light fixtures

Valuation:

$23,450

Permit #:

BP11002083

Status:

final

Fee:

$718

Permit Type:

N/A

Building Type:

N/A

Residential building - alteration

6416 Pinehaven Rd, Oakland, CA, 94611

2008-10-15

(e)1 story sfd:remodel kitchen w/new countertops & cabinets. replace (e)3'wide arch between dining room & kitchen w/new 4'4 wide arch & new 4x12 header per 2007 cbc

Valuation:

$20,000

Permit #:

RB0804468

Status:

final

Fee:

$1,459

Permit Type:

N/A

Building Type:

N/A

Recent Buildzoom Projects

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Verified License

License #	C31262
Status	Active
State	California
Type	Architect
Business Type	Corporation

BuildZoom verified this license was active as of July 2025.

Verify this license's status for Gregory Ashton General Contractor Inc at the California Architect License Board.

This is a sample of licensing data; click here to access a complete history.

Verified License

License #	807630
Status	Active
State	California
Type	General Building
Business Type	Corporation

BuildZoom verified this license was active as of March 2026.

Verify this license's status for Gregory Ashton General Contractor Inc at the California Contractors State License Board.

This is a sample of licensing data; click here to access a complete history.

Inactive License

License #	287863
Status	Inactive
State	California
Type	General Building
Business Type	Corporation

According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.

Check this license's status for Gregory Ashton General Contractor Inc at the California Contractors State License Board.

This is a sample of licensing data; click here to access a complete history.

Inactive License

License #	326181
Status	Inactive
State	California
Type	General Building
Business Type	Corporation

According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.

Check this license's status for Gregory Ashton General Contractor Inc at the California Contractors State License Board.

This is a sample of licensing data; click here to access a complete history.

92

BuildZoom Score

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Bonded

Bonded Agent	Business Alliance Insurance Company
Bond Value	$15,000

Learn More

76

Permits

Building permit records show that Gregory Ashton General Contractor Inc has worked on 76 permitted projects.

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Gregory Ashton General Contractor

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Gregory Ashton General Contractor Architect