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A - One Construction

Name: A - One Construction
Address: 45847 Warm Springs Blvd, Fremont, CA, 94539, US
Telephone: (510) 347-5400

General Building Contractor · Fremont, CA

Active license

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License1 record · Active license

Permits100 on file

Discipline / legalNo board discipline flag

BBBNot yet available

Phone(510) 347-5400

Address45847 Warm Springs Blvd

Report verdict

Licensed & active (expires 2027-05-31) · No board discipline flag found in covered sources · 167 permits on file

88/100 HomeProFax Score — public-record factors only, not a rating of workmanship. How the score works Full report

The state board is the authority. A flag is a prompt to read the board record, not a verdict. Verify license status with the issuing board before you hire. See methodology and disclaimer & corrections.

What this report checks

✓ License

Checked

1 board record(s) · Active license

✓ Discipline & legal

Checked

No board discipline flag found in covered sources.

✓ Permits

Checked

100 permit(s) on file from covered city sources.

◐ Reviews & complaints

Where available

BBB where researched and approved HomeProFax reviews only; external ratings are linked below, not stored or scored.

Score breakdown

Factor	Points	Why
License status	35/35	Active license on file with a state board
Discipline & legal flags	20/20	No disciplinary flag on board record
Permit history	20/20	167 permits on file
Reviews (BBB + HomeProFax)	13/25	No BBB rating on file and no approved HomeProFax reviews yet (neutral). External ratings are linked below, not stored

A simple, transparent sum of public-record factors. How the score works. Not a rating of workmanship.

Source data as of: Report rebuilt from source files on 2026-10-19 · CSLB bond/workers' comp as of 2026-10-14 · most recent permit on file: 2026-09-16.

What we checked

License	Checked	CA Corporation #929384 · active
Bond	Checked	$25,000 with PHILADELPHIA INDEMNITY INSURANCE COMPANY · as of 2026-10-14
Workers' comp	Checked	Workers' Compensation Insurance (PRAETORIAN INSURANCE COMPANY) · as of 2026-10-14
Years licensed	Checked	Licensed since 2009
Business registration	Not available in CA	State business registry not loaded yet
Permits	Checked	167 permits on record
Discipline	Checked	none on record
OSHA	Not checked yet	OSHA records not checked yet
Reviews & outside links	Not checked yet	No review lookup run yet
Contractor-provided	Not checked yet	Nothing provided by the contractor yet

Public records as of their source dates. Board status is shown as reported by the board. Not a guarantee. Ask the contractor for their verified HomeProFax report.

Licenses

Licensed since 2009 (earliest original issue date on these state license records; not a business start date)

License #	Type	Status	Issued	Expires	Source
CA 929384	Corporation (B\| C33\| C39) Workers' comp: Workers' Compensation Insurance (PRAETORIAN INSURANCE COMPANY); Contractor bond: $25000 (PHILADELPHIA INDEMNITY INSURANCE COMPANY)	clear	2009-03-03	2027-05-31	State board

Bond & workers' comp

Contractor bond	$25,000 · PHILADELPHIA INDEMNITY INSURANCE COMPANY · effective 2023-01-01
Workers' comp	Workers' Compensation Insurance · PRAETORIAN INSURANCE COMPANY · effective 2025-02-05 · expires 2027-02-05

Source: CSLB Public Data Portal (License Master), as of 2026-10-14. Verify current bond and insurance with CSLB and the insurer before you hire.

Building permits

Date	Permit	Type	Address	Value
2026-09-16	202609168188	otc alterations permit	321 Clementina St	$56,031
2025-11-12	202511129346	otc alterations permit	3543 18th St	$66,250
2025-11-12	202511129350	otc alterations permit	344 Ellis St	$110,000
2025-08-25	202508253812	otc alterations permit	1150 Ocean Av	$85,900
2024-05-24	202405242910	otc alterations permit	3309 Fillmore St	$73,888
2024-05-24	202405242913	otc alterations permit	3315 Fillmore St	$73,887
2024-02-29	202202168075	otc alterations permit	323 Octavia St	$90,000
2023-11-07	202307252971	otc alterations permit	1661 Mission St	$56,838
2023-09-18	202309186762	otc alterations permit	2600 18th St	$53,109
2023-08-28	202308285435	otc alterations permit	790 07th Av	$87,927
2023-07-31	202307283241	otc alterations permit	2600 18th St	$377,204
2023-07-31	202307252970	otc alterations permit	2298 Pacific Av	$224,115
2023-04-26	202304266536	otc alterations permit	720 Haight St	$2,966
2023-03-16	202303143661	otc alterations permit	190 07th St	$74,076
2023-03-16	202303143663	otc alterations permit	1655 Chestnut St	$9,082
2023-03-07	202303073196	otc alterations permit	190 07th St	$25,000
2023-03-07	202303073198	otc alterations permit	1701 Broadway	$30,000
2022-12-29	202212299371	otc alterations permit	790 07th Av	$30,000
2022-12-29	202212279209	otc alterations permit	1655 Chestnut St	$97,612
2022-12-28	202212279208	otc alterations permit	790 07th Av	$94,000
2022-09-21	202209212889	otc alterations permit	590 08th Av	$43,927
2022-02-23	202202238560	otc alterations permit	790 07th Av	$15,000
2022-01-28	202201286890	otc alterations permit	1522 Polk St	$72,771
2021-12-27	202110220991	otc alterations permit	305 Bocana St	$12,000
2021-12-02	202112023513	otc alterations permit	2599 San Bruno Av	$27,000
2021-08-30	202108307404	otc alterations permit	72 Gough St	$40,233
2021-06-16	202106162533	otc alterations permit	790 07th Av	$97,450
2021-06-08	202106081904	otc alterations permit	305 Bocana St	$25,000
2021-01-05	202010217032	otc alterations permit	1686 Market St	$26,000
2020-12-18	202012181334	otc alterations permit	1279 44th Av	$20,865
2020-11-18	202011189184	otc alterations permit	1150 Lombard St	$207,057
2020-09-11	202009113949	otc alterations permit	1150 Lombard St	$207,057
2020-02-25	202002255266	otc alterations permit	5285 Diamond Heights Bl	$114,875
2020-02-20	202002204968	otc alterations permit	2832 San Bruno Av	$83,860
2020-01-17	202001172137	otc alterations permit	1700 Pierce St	$13,093
2019-11-08	201910255600	otc alterations permit	201 11th St	$83,816
2019-10-25	201910255575	otc alterations permit	15 Kiska Rd	$33,425
2019-10-25	201910255598	otc alterations permit	2344 03rd St	$15,412
2019-09-16	201811216510	otc alterations permit	1205 04th Av	$20,000
2019-08-23	201908239697	otc alterations permit	1521 Masonic Av	$17,373
2019-07-18	201907186232	otc alterations permit	98 Thrift St	$12,840
2019-06-28	M1102747	otc alterations permit	1205 04th Av	—
2019-06-10	201906102996	otc alterations permit	2832 San Bruno Av	$12,000
2019-05-20	201905201116	otc alterations permit	59 Meadowbrook Dr	$50,579
2019-04-26	201904269014	otc alterations permit	5126 Anza St	$27,152
2019-04-26	201904269012	otc alterations permit	462 Head St	$9,075
2019-04-26	201904269010	otc alterations permit	39 Lois Ln	$9,075
2019-04-01	201904016792	otc alterations permit	281 Clara St	$13,000
2019-02-22	201902223546	otc alterations permit	450 Amherst St	$9,011
2019-02-04	201902041946	otc alterations permit	711 Shotwell St	$11,150
2019-01-08	201901089785	otc alterations permit	109 Lake Merced Hill St South St	$7,000
2019-01-08	201901089784	otc alterations permit	230 Lake Merced Hill St North St	$17,000
2019-01-08	201901089786	otc alterations permit	109 Lake Merced Hill St South St	$7,000
2019-01-08	201901089787	otc alterations permit	230 Lake Merced Hill St North St	$17,000
2018-12-14	201812148332	otc alterations permit	961 Lombard St	$6,268
2018-12-14	201812077808	otc alterations permit	143 Lake Merced Hill St South St	$3,500
2018-10-19	201810193642	otc alterations permit	2425 22nd Av	$11,127
2018-10-16	201810163251	otc alterations permit	206 Prentiss St	$7,776
2018-10-12	201810123021	otc alterations permit	67 Kiska Rd	$33,425
2018-10-03	201810032154	otc alterations permit	1205 04th Av	$180,000
2018-10-01	201807114222	otc alterations permit	149 Lake Merced Hill St South St	$35,000
2018-10-01	201807114220	otc alterations permit	147 Lake Merced Hill St South St	$3,500
2018-10-01	201807114224	otc alterations permit	141 Lake Merced Hill St South St	$3,500
2018-10-01	201807114225	otc alterations permit	151 Lake Merced Hill St South St	$3,500
2018-10-01	201807114223	otc alterations permit	145 Lake Merced Hill St South St	$35,000
2018-09-13	201809130066	otc alterations permit	3450 03rd St	$10,000
2018-08-20	201808207738	otc alterations permit	308 Jessie St	$29,888
2018-08-15	201808157352	otc alterations permit	959 Wisconsin St	$18,698
2018-03-26	201803264620	otc alterations permit	5285 Diamond Heights Bl	$46,000
2018-01-23	201801199082	otc alterations permit	5600 03rd St	$8,000
2018-01-02	201801027699	otc alterations permit	1700 Pierce St	$31,000
2017-09-27	201709279723	otc alterations permit	305 Hyde St	$15,275
2017-09-27	201709279726	otc alterations permit	677 Ellis St	$29,900
2017-09-19	201709198979	otc alterations permit	145 Carmel St	$39,084
2017-09-07	201709077164	otc alterations permit	110 Lake Merced Hill St South St	$9,167
2017-08-24	201707252888	otc alterations permit	913 Dolores St	$25,000
2017-05-31	201705318005	otc alterations permit	1100 Lake Merced Bl	$2,900
2017-05-19	201705197076	otc alterations permit	2832 San Bruno Av	$90,000
2016-10-31	201610311486	otc alterations permit	383 Rhode Island St	$44,000
2016-10-07	201610079828	otc alterations permit	8 Locksley Av	$180,000
2016-10-05	201610059586	otc alterations permit	701 Pennsylvania Av	$38,000
2016-09-09	201609077018	otc alterations permit	2 Fallon Pl	$75,000
2016-07-20	201606291203	otc alterations permit	12 Amber Dr	$10,000
2016-07-20	201607202826	otc alterations permit	10 Amber Dr	$10,000
2016-06-29	201607202824	—	—	—
2016-05-06	201605066792	otc alterations permit	2415 Van Ness Av	$95,000
2016-04-27	201604275798	otc alterations permit	1883 23rd Av	$7,000
2016-04-25	201604255596	otc alterations permit	5012 Diamond Heights Bl	$19,000
2016-04-25	201604255595	otc alterations permit	5008 Diamond Heights Bl	$19,000
2016-03-25	201603253138	otc alterations permit	12 Amber Dr	$23,609
2016-03-01	201603010871	otc alterations permit	45 Upland Dr	$7,000
2016-02-10	201602109284	otc alterations permit	3974 Washington St	$9,800
2015-12-16	201512165247	otc alterations permit	20 Cherry St	$24,300
2015-10-30	201510301252	otc alterations permit	426 Tocoloma Av	$4,800
2015-10-30	201510301254	otc alterations permit	2441 Folsom St	$5,800
2015-10-30	201510301253	otc alterations permit	1450 Hawes St	$6,500
2015-10-30	201510301251	otc alterations permit	424 Tocoloma Av	$4,900
2015-10-23	201510230618	otc alterations permit	1380 Quesada Av	$7,600
2015-10-01	201510018532	otc alterations permit	2108 Bay Shore Bl	$3,000
2015-09-22	201509227676	otc alterations permit	24 Henry St	$10,800

Showing the 100 most recent of 167 permits on file. Source: DataSF (Building Permits + Building Permits Contacts)

Source: DataSF, City and County of San Francisco (Building Permits; Building Permits Contacts).

Discipline, complaints & legal

No board discipline or complaints found in our current sources. Federal court search (CourtListener): no state-consistent possible match in our last sample run, or not yet run for this contractor.

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A - One Construction · General Building Contractor
Fremont, CA
License on file: CA ••••9384

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Sources for this report

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