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Location and Projects

Address
P O BOX 1061, Downey, CA, 90240
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William A Rios Construction

William A Rios, Downey, Po Box 1061, Downey, CA (Owned by: William Anthony Rios) holds a General Building, Fire Protection license according to the California license board.

Their BuildZoom score of 107 ranks in the top 6% of 336,931 California licensed contractors.

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

William A Rios Contact Information

Phone: (213) 440-1290 Edit
Address: P O BOX 1061, Downey, CA 90240 Edit

William A Rios Downey

Quality

107
94th percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
William A Rios has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.

Activity

16 projects
2025
8 projects
2024
9 projects
2023
Our building permit records indicate that William A Rios has worked on at least 33.0 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.

Experience

15 projects
New Constructions
Analyzing permits over the last 4 years shows that William A Rios mostly works on new construction projects.

Pricing

4 projects
< $5k
4 projects
$5k-$20k
4 projects
$100k-$250k
10 projects
$250k-$500k
1 project
$500k-$1mil
Value Not Public: 17.0 projects
The typical size of their permits is approximately $214,827. 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 William A Rios

Sort by: Notable Notable | Date Date | Job Value Job Value
(n) 34 x 41 (3395 sf) 3-story duplex with attached 2-car garage (387.5 sf) at rear. 2 of 2
Valuation:
$493,015
Permit #:
21010-10000-02148
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story duplex with attached garages in rear *** 2 of 2 ***
Valuation:
$350,000
Permit #:
23010-30000-03905
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bldg-alter/repair
2025-03-10
Supplemental permit to 22010-10000-04147 to change ownership to aqa operations llc
Valuation:
N/A
Permit #:
22010-10001-04147
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bldg-alter/repair
2025-03-10
Supplemental permit to 22010-10000-04144 to change ownership to aqa operations llc
Valuation:
N/A
Permit #:
22010-10001-04144
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bldg-alter/repair
2025-03-07
Supplemental permit to 22010-10000-04149 to change ownership to aqa operations llc
Valuation:
N/A
Permit #:
22010-10001-04149
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bldg-alter/repair
2025-03-07
Supplemental permit to 22010-10000-04143 to change ownership to aqa operations llc
Valuation:
N/A
Permit #:
22010-10001-04143
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) 29.5 x 40.5 (2160.5 sf) 2-story duplex at front. 1 of 2
Valuation:
$324,279
Permit #:
21010-10000-02146
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) 2-story adu/garage 1st story garage 2nd story adu per lamc 12.22 a.33(c)(d) 2 of 2
Valuation:
$237,795
Permit #:
22010-10000-03969
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Proposed 3-story duplex with attached adu -front unit
Valuation:
$480,000
Permit #:
22010-10000-04147
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) 3-story duplex w/attached 4-car garage (rear unit)
Valuation:
$320,000
Permit #:
22010-10000-04144
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan: proposed new two-story detached accessary dwelling unit per lamc 12.22a.33(c)and (d)
Valuation:
$128,000
Permit #:
23010-10000-03301
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 2-story duplex a in front *** 1 of 2 ***
Valuation:
$310,000
Permit #:
23010-30000-03904
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 2-story (40 x 54.5') duplex (zc: 3121.5 sf) with attached 4-car garage (702 sf) at rear. 2 of 2
Valuation:
$410,000
Permit #:
21010-10000-02951
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bldg-demolition
2024-07-07
Demolition of existing single family dwelling and detached garage. method of demolition will be by handwreck. sewer cap and fence for pedestrian protection is required per dpi. clear lot
Valuation:
$6,000
Permit #:
22019-10000-04578
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New three story duplex. at front of lot
Valuation:
$390,000
Permit #:
22010-10000-03894
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 2-story duplex (zc: 2434 sf) at front 1 of 2
Valuation:
$262,000
Permit #:
21010-10000-02953
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 2-story duplex over basement in front (47'-2"x38'-6') fire sprinkler nfpa 13d
Valuation:
$375,000
Permit #:
18010-20000-03852
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) 3-story duplex 1 of 2
Valuation:
$713,255
Permit #:
22010-10000-03968
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 3-story duplex (rear) (34'-3""x41'-0") fire sprinkler nfpa 13d
Valuation:
$398,000
Permit #:
18010-20000-03853
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bldg-alter/repair
2025-10-20
Eplan: supplemental to permit 22010-10000-04655 to revise the building height per the height survey
Valuation:
$1,000
Permit #:
22010-10001-04655
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A

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