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Location and Projects

Address
PO BOX 921, Grass Valley, CA, 95945
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Penrose Plumbing Inc

Penrose Plumbing Inc, Grass Vly, Po Box 921, Grass Valley, CA (Owned by: Britton Ray Penrose) holds a Plumbing license and 1 other license according to the California license board.

Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Penrose Plumbing Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.

Penrose Plumbing Inc Contact Information

Phone: (530) 477-6737 Edit
Address: PO BOX 921, Grass Valley, CA 95945 Edit

Penrose Plumbing Inc Grass Valley

Quality

93
73rd percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Penrose Plumbing Inc has a BuildZoom score of 93, which places them above 73% of 336,931 contractors in California.

Activity

4 projects
2025
2 projects
2023
2 projects
2022
Our building permit records indicate that Penrose Plumbing Inc has worked on at least 8.0 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

8 projects
Plumbing projects
6 projects
Sewer laterals
Analyzing permits over the last 4 years shows that Penrose Plumbing Inc mostly works on plumbing project and sewer lateral projects.

Pricing

8 projects
< $5k
Value Not Public: 0 projects
The typical size of their permits is approximately $1,600. 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.

Penrose Plumbing Inc Reviews
3 out of 5 stars, based on 2 reviews

  • By Tamera B.
    April 1, 2025
    Replace old water heater with new tankless unit

    Penrose Please came to our rescue quickly and affordably when the water heater in our new home began leaking. We had a tankless water heater installed and it has been amazing! Britt Penrose and his team were efficient, friendly and did a great job. Their bid was significantly lower than ANY of the competitors in the area. Hire Penrose Plumbing with confidence!

  • By Jack C.
    January 16, 2025
    Plumb a new house
    $16,000

    I can’t recommend Penrose Plumbing – not because of the work their team did, but because of the lack of transparency and integrity in the way this project was handled.

    When my general contractor hired Penrose Plumbing, the house was originally designed to be 1400 sq. ft., 2 bed/2 bath. Partway through, the project was cut in half to 700 sq. ft., 1 bed/1 bath. The general contractor never informed Penrose Plumbing about the reduced scope, and when they showed up, it was obvious the job was much smaller than the original bid.

    At that point, the right thing to do was either:

    1. Rebid the project based on the smaller job.
    2. Find a way to add value to justify the original cost.

    Instead, Penrose treated it like they got the “bank error in your favor, collect $10,000” card. No adjustment. No conversation. Just business as usual at double the price. So they sent me the bill and hoped I wouldn't notice.

    ✨ Outrageous Pricing – No Justification

    - Plumbing this tiny house ended up costing almost as much as the well and almost as much as the septic system.
    - Penrose used cheap materials – Pex Type B (which reduces flow/pressure at every fitting) and cheap plastic fittings. For the price, I expected Pex Type A or oversized tubing with Pex B and brass fittings. Honestly, they could have run copper lines for what I paid.
    - To confirm my suspicions, I got bids from two other licensed plumbers:
    - $7,000 – This included more work than Penrose completed.
    - $9,800 – This covered the full job, PLUS setting all fixtures.
    Penrose didn’t even finish my job!

    ? On Top of That…
    Because of the materials used, I’ll likely have to replace the entire supply side to get rid of the plastic fittings. This adds even more cost to a project that was already overpriced.

    ⚠️ The Real Issue – Trust
    I contacted Penrose Plumbing about this. They admitted the bid was never updated for the smaller house. Their solution? Offering to set the fixtures – bringing them up to the $9,800 bid I received elsewhere. That’s still $6,000 short. I requested a refund for the overage, and they said they would “check their books.” That was a month ago, I haven’t heard back.

    ? The Bright Spot
    The plumbers on-site did quality work. They were professional, skilled, and easy to deal with. This isn’t about them – it’s about the lack of communication and accountability from the business itself (specifically the owner).

    ? Bottom Line
    This experience isn’t just about money – it’s about trust and fairness. When you hire someone, when they're going to come into your home, you should be able to trust they won’t exploit a situation just because they can. Based on my experience, I can’t recommend Penrose Plumbing.

    If you value integrity, look elsewhere.

    Read more
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Building Permits by Penrose Plumbing Inc

Sort by: Notable Notable | Date Date | Job Value Job Value
Express permit
2025-02-21
Water heater replacement
Valuation:
$1,200
Permit #:
25BLD-0071
Status:
final
Fee:
$172
Permit Type:
Water heater
Building Type:
N/A
Express permit
2023-06-01
Install sewer backflow and overflow prevention devices
Valuation:
$2,000
Permit #:
23BLD-0309
Status:
expired
Fee:
$150
Permit Type:
plumbing - 1 insp...
Building Type:
N/A
Express permit
2025-07-07
Install sewer backflow and pop off
Valuation:
$2,500
Permit #:
25BLD-0377
Status:
final
Fee:
$163
Permit Type:
Sewer backflow de...
Building Type:
N/A
Express permit
2025-07-17
Sewer backflow device
Valuation:
$2,000
Permit #:
25BLD-0401
Status:
final
Fee:
$163
Permit Type:
Sewer backflow de...
Building Type:
N/A
Express permit
2025-07-10
Replace water heater
Valuation:
$2,500
Permit #:
25BLD-0385
Status:
final
Fee:
$172
Permit Type:
Water heater
Building Type:
N/A
Express permit
2023-07-27
Install sewer backflow device
Valuation:
$800
Permit #:
23BLD-0426
Status:
final
Fee:
$150
Permit Type:
Sewer backflow de...
Building Type:
N/A
Commercial - no plan check
2018-12-12
Repair gas line
Valuation:
$300
Permit #:
18BLD-0677
Status:
final
Fee:
$131
Permit Type:
plumbing - 1 insp...
Building Type:
N/A
Replace tankless water heater and install 2 backflow devices for a 3 unit parcel. this permit includes up to two inspections. additional inspections will be charged at the current rate. final inspection is required
Valuation:
$3,000
Permit #:
16000062
Status:
complete
Fee:
$116
Permit Type:
N/A
Building Type:
N/A
Express permit
2022-11-22
Install backflow device
Valuation:
$1,200
Permit #:
22BLD-0638
Status:
final
Fee:
$150
Permit Type:
Sewer backflow de...
Building Type:
N/A
Install of back flow device
Valuation:
$1,000
Permit #:
22BLD-0618
Status:
final
Fee:
$150
Permit Type:
Sewer backflow de...
Building Type:
N/A
Residential - no plan check
2020-07-23
Backflow for sewer
Valuation:
$1,200
Permit #:
20BLD-0357
Status:
final
Fee:
$134
Permit Type:
plumbing - 1 insp...
Building Type:
N/A
Residential - no plan check
2017-05-26
Install sewer backflow prevention and overflow relief devices per the city standard
Valuation:
$2,000
Permit #:
17BLD-0197
Status:
final
Fee:
$120
Permit Type:
plumbing - 1 insp...
Building Type:
N/A
Residential - no plan check
2017-08-16
Install sewer backflow prevention and overflow relief device
Valuation:
$1,200
Permit #:
17BLD-0365
Status:
final
Fee:
$123
Permit Type:
plumbing - 1 insp...
Building Type:
N/A
Residential - no plan check
2017-02-02
Install sewer backflow prevention device within 2 feet of back of walk
Valuation:
$600
Permit #:
17BLD-0024
Status:
final
Fee:
$420
Permit Type:
plumbing - 1 insp...
Building Type:
N/A
Residential - no plan check
2017-10-03
Install backflow and overflow prevention device
Valuation:
$1,200
Permit #:
17BLD-0364
Status:
final
Fee:
$123
Permit Type:
plumbing - 1 insp...
Building Type:
N/A
Residential - no plan check
2013-12-31
Install sewer backflow prevention and flow-relief device
Valuation:
$2,500
Permit #:
13BLD-0611
Status:
final
Fee:
$143
Permit Type:
N/A
Building Type:
N/A
Residential - no plan check
2014-06-18
Install sewer backflow prevention and flow relief devices
Valuation:
$500
Permit #:
14BLD-0278
Status:
final
Fee:
$117
Permit Type:
N/A
Building Type:
N/A
Residential - no plan check
2014-09-11
Install sewer backflow prevention and flow-relief device
Valuation:
$700
Permit #:
14BLD-0402
Status:
final
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Commercial - no plan check
2014-11-26
Install sewer backflow prevention device
Valuation:
$1,400
Permit #:
14BLD-0573
Status:
final
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Residential - no plan check
2015-07-23
Installation of backflow preventer
Valuation:
$500
Permit #:
15BLD-0352
Status:
final
Fee:
$119
Permit Type:
N/A
Building Type:
N/A

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