Updated: Oct 15, 2025
Location and Projects
Address
825 N White Horse Cir, Walnut, CA, 91789
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Yau, Raymond Wai-man Construction
Based in Walnut, California, Raymond Wai-man Yau has served the local area for more than 25 years. His work includes residential construction and remodeling projects, with a focus on delivering tailored solutions for homeowners in the region. Drawing on nearly three decades of experience, Raymond Wai-man Yau navigates building codes and project requirements specific to Walnut and surrounding Los Angeles County communities. His portfolio includes permitted projects such as home alterations, additions, and improvement work. Clients seeking skilled oversight for their construction projects benefit from his longstanding presence in the industry and familiarity with both modern and traditional construction methods.
Yau, Raymond Wai-man Services
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Yau, Raymond Wai-man Contact Information
Address: 825 N White Horse Cir, Walnut, CA 91789
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Yau, Raymond Wai-man Walnut
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Yau, Raymond Wai-man has a BuildZoom score of 98, which places them above 84% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
1 project
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Yau, Raymond Wai-man has worked on at least
6.0 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
|
4 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Yau, Raymond Wai-man mostly works on
home addition
projects.
Pricing
|
1 project
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
The typical size of their permits is approximately $52,500. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Eplan. supplemental to permit# 25016-10000-15203 to revise scope of work to 3 bathroom additions and revise floor plan layout and framing details. all work per engineering
Valuation:
$6,000
Permit #:
25016-10001-15203
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
<eplan> 1st & 2nd floor addition & remodel to (e) single family dwelling. nfpa 13 d fire sprinklers required throughout
Valuation:
$175,000
Permit #:
23014-20000-05065
Status:
withdrawn
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan:new irregularly shaped addition (670 sf) to be new accessory dwelling unit attached to (e) detached garage per gc 66323(a)(2). garage to remain. work to be done per engineering
Valuation:
$150,000
Permit #:
23014-10000-02837
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 46'9 x 20'6 2-story addition to (e) single family dwelling for new den (3) bedrooms and laundry room and (2) car carport nfpa-13d fire sprinklers required throughout all work per engineering
Valuation:
$170,000
Permit #:
21014-20000-05661
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 41 x 24 detached 2-story detached accessory dwelling unit as per lamc 12.22.a.33 (c) and (d) with attached (2) car garage nfpa-13d fire sprinklers requried throughout all work per engineering
Valuation:
$180,000
Permit #:
21010-20000-05867
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition to (e) detached garage/playroom and conversion to accessory dwelling unit per ab 494 and sb 229 including a rooftop deck. comply with department order effective date 02/15/2019. permit will expire 30 days from issuance date
Valuation:
$85,000
Permit #:
19014-20000-01548
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan convert portion of (e) single family dwelling to accessory dwelling unit (588 sf) with addition per ordinance
Valuation:
$75,000
Permit #:
22014-20000-00652
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan: (n) additions and remodel to (e) single family dwelling. all work per engineer
Valuation:
$75,000
Permit #:
24014-20000-04499
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Room partition & conversion to bathroom (bathroom addition)
Valuation:
N/A
Permit #:
22016-10000-02821
Status:
triage
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 19014-20000-01548 to addition structural inventory of trellis structure over roof. no fee. deparment error
Valuation:
N/A
Permit #:
19014-20002-01548
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental permit to 17010-10000-01662 to revise the 1st floor plan and structural plans; to remove a bathroom revise stairway relocate an exterior door and provide exterior steps with a landing
Valuation:
$2,500
Permit #:
17010-30004-01662
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior remodel to (e) single family dwelling to relocate (e) full bathroom and laundry & enlarge kitchen. change out windows per plan
Valuation:
$35,000
Permit #:
17016-20000-26932
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Tenant improvement & change of use from market to liquir store
Valuation:
$60,000
Permit #:
19016-20000-22243
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 19014-20000-01548 to addition a trellis structure over roof top deck
Valuation:
$2,000
Permit #:
19014-20001-01548
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Remove & replace existing interior non-bearing wall. convert (e) closet to full bathroom. addition new tankless water heater. all work per wfpp sheets
Valuation:
$12,000
Permit #:
14016-10000-02240
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 14014-10000-01126 14014-10001-01126. interior (no structural change) relocate master bathroom sink & counter to tub position; enlarge master bedroom closet; relocate laundry to front area
Valuation:
$5,000
Permit #:
14014-10002-01126
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remove & replace (e) front porch to (n) gable roof change 2 (e) closet to 2 (n) bathrooms convert (e) enclosed patio to walk in closet 3.5 x15 (at 2nd story level) addition 50 amp subpanel
Valuation:
$30,000
Permit #:
14016-10000-19561
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 14014-10000-01126 interior (no structural change) add(n) shower to (n) master bathroom room; relocate sink and counter; relocate (n) closet relocate (n) laundry and water heater; change interior kitchen <see comments>
Valuation:
$20,000
Permit #:
14014-10001-01126
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition 200 sf to (32 x 7 6") extend master bedroom addition bathroom and relocate kitchen in (e) single family dwelling; remodel laundry room; remove (e) water heater and use tankless water heater
Valuation:
$20,200
Permit #:
14014-10000-01126
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition irregular shape 18'-3 x 41'-7 @ the rear of (e) one story dwelling to addition (n) family room per engineering. remodel (e) kitchen and addition new powder room
Valuation:
$78,300
Permit #:
14014-20000-05397
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Yau, Raymond Wai-man License info
Verified License
| License # | CAC45071 |
| Status | Active |
| State | California |
- BuildZoom has not verified this license since June, 2015.
Verify this license's status for Yau, Raymond Wai-man at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
43
Permits
- Building permit records show that Yau, Raymond Wai-man has worked on 43 permitted projects.