Location and Projects
Address
1177 7TH AVENUE, San Mateo, CA, 94402
Use our bidding system to
request a quote
Cawc Waterproofing & Restoration
Cawc Waterproofing & Restoration, 1177-7 Th Ave, San Mateo, CA (Employees: Brennan James Mayer, Mary Loubel Mayer, and Roy Vern Mayer) holds a Renovation license and 1 other license according to the Environmental Protection Agency license board.
Their BuildZoom score of 108 ranks in the top 5% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cawc Waterproofing & Restoration, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Cawc Waterproofing & Restoration Contact Information
Phone Number: (650) 347-1404
Edit
Address: 1177 7TH AVENUE, San Mateo, CA 94402
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Cawc Waterproofing & Restoration San Mateo
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cawc Waterproofing & Restoration has a BuildZoom score of 108, which places them above 95% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
3 projects
|
2024 |
|
10 projects
|
2023 |
Our building permit records indicate that Cawc Waterproofing & Restoration has worked on at least
14.0 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.
Pricing
|
1 project
|
< $5k |
|
3 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $43,500. 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.
Building Permits by Cawc Waterproofing & Restoration
This is a sample of this contractor's permits. Click here to access their complete permit history.
Multi-family (alter/repair) - deck (alter)
2024-08-07
Complete removal and replacement of the existing waterproofing membrane and overlying finishes on the 12th floor unit's (penthouse-west) deck. install two new drains for improved drainage. revision #1: **paper plans** conceal existing drains. addition 11 new scuppers to drain to landscape area (iss 9/9/24)
Valuation:
$250,000
Permit #:
BD-2024-292683
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Front bay window reinforcement - interior structural supports. wood decay repairs - ground floor selective repair and replacement in kind of siding
Valuation:
$19,500
Permit #:
202303204011
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remove & replcace in-kind plaza area topping slab 69 6"x 59 3
Valuation:
$55,000
Permit #:
202303073201
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Complying with #9603216: replace guard rail installing dtt22 to the post wire railing
Valuation:
$5,000
Permit #:
202302272639
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Repair or replacement of deteriorated/severely damaged (e) windows. repair non-structural damage at exterior concrete walls and at exterior glazed terra cotta units patch and repaint exterior walls
Valuation:
$200,000
Permit #:
202202107754
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
63 - moving & sto...
Remove and replace elastomeric coating on concrete walls. removal and replacement of plaster on existing light gauge metal frame. replace windows and sliding doors. to comply with nov #201963501
Valuation:
$900,000
Permit #:
202103116357
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
New section of a 6 fence @ 3000 pacific ave a portion of the western property line. new gate with mailbox and video camera and powered lock
Valuation:
$10,000
Permit #:
202305198143
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Top floor bathroom remodel (n) plumbing & electrical fixtures (n) tile (n) sheetrock & paint. replace tile @ patio deck on top floor. all work is non structural. no wall framing modifications
Valuation:
$39,500
Permit #:
202305167849
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Unit 2: remodel kitchen- remove and replace kitchen cabinets- replace all kitchen appliances upgrade power. bathroom replace lights and windows
Valuation:
$38,000
Permit #:
202305097356
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Rev to pa# 2022-0630-7511: install new wood p.s.l. header bm at ceiling
Valuation:
$3,000
Permit #:
202303304728
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Fire only work for the suite 210 remodel on fl.2 additions aare 1 smoke detector 1 moudle and 7 speaker strobes ref pa num 2023-0222-2385
Valuation:
$8,047
Permit #:
202303274410
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Deck waterproofing: remove existing tile install wateproof membrane and sloping install flashing and patch stucco install new tile. no structural alterations
Valuation:
$52,000
Permit #:
BD-2024-293916
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(e) basement wall at b5 has deteriation due to water intrusiton work includes installation of new structural concrete appx 75 linear ft of wall
Valuation:
$60,000
Permit #:
202410314154
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
B4 & b5: waterproofing injecton at concrete walls for water mitigation
Valuation:
$980,000
Permit #:
202309186800
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
(b) - building alteration - 3+ residential units or commercial (building)
2021-11-25
Installation of unoccupied roof-top guardrail for mixed use condo building
Valuation:
$45,000
Permit #:
B1905407
Status:
expired
Fee:
$1,475
Permit Type:
N/A
Building Type:
N/A
Waterproofing repair at exterior entrance walkway
Valuation:
$44,500
Permit #:
230285
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace 4th floor common deck waterproofing including base flashing overflow scuppers, remove & reinstall sliding doors @unit 412 & 409.to install new pan flashing , remove floor tiles & mortar bed also some stucco for flashing also fix some drywall, all the repairs will be like for like;maher n/a
Valuation:
$85,000
Permit #:
201608306334
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Roof deck on middle level deck surface replacement. remove old tiles on deck also the mortar and replace the plywood and wall. replace insulation with r-30 under deck surface. approx size 15'x20. no change on framing members
Valuation:
$20,000
Permit #:
201401166438
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Completing spall repair at rail pockets of west garage perimeter. installation of new repair mortar sealant at rail pocket and installation of a protective sealer on the concrete
Valuation:
$95,000
Permit #:
BD-2021-278612
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Apple- 2nd floor- west wing; balcony renovations and door modifications tco good till 1/3/2015
Valuation:
$20,000
Permit #:
14080157
Status:
Open
Fee:
$6,977
Permit Type:
Tenant improvement
Building Type:
N/A
Similar Contractors
122
BZ Score
$7.3K
Avg Project
-
Projects
License # 992288
Hayward, CA
122
BZ Score
$15.5K
Avg Project
-
Projects
License # 1113007
San Jose, CA
123
BZ Score
$15K
Avg Project
-
Projects
Cawc Waterproofing & Restoration Reviews
BuildZoom hasn't received any reviews for Cawc Waterproofing & Restoration. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Verified License
BuildZoom confirmed this contractor's license
Cawc Waterproofing & Restoration License info
Verified License
| License # | NAT-F227133-1 |
| Status | Active |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Cawc Waterproofing & Restoration at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 255484 |
| Status | Active |
| State | California |
| Type | General Building, Roofing, Suspended Ceilings, Waterproofing & Weatherproofing, Painting And Decorating |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Cawc Waterproofing & Restoration at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Cypress Insurance Company |
43
Permits
- Building permit records show that Cawc Waterproofing & Restoration has worked on 43 permitted projects.
Cawc Waterproofing & Restoration Employees
BM
Brennan James Mayer
Rmo
MM
Mary Loubel Mayer
Ceo / President
RM
Roy Vern Mayer
Rmo
TM
Ted La Verne Mayer
Officer
TM
Ted Stanley Mayer
Rmo/Ceo/Pres