J M Engineering and Development Corp
Licensed general contractor in Los Angeles, California
J M Engineering and Development Corp holds CSLB licence 970454, active, licensed since 27 Feb 2012, rated 4.9 from 31 Google reviews. Bonded for $25,000 with American Contractors Indemnity Company. Clean CSLB record, with no citations, complaints or legal actions disclosed.
Report card
- Licence activeCSLB #970454, class A, B, C21. Issued 27 Feb 2012, expires 30 Nov 2026.
- Licensed 15 yrsSince 27 Feb 2012.
- Bonded$25,000 with American Contractors Indemnity Company, since 3 Sep 2026. California requires the same $25,000 bond of every contractor.
- Workers' comp insuredState Compensation Insurance Fund, policy 9080614, valid to 3 Dec 2026.
- Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
Checked against the Contractors State License Board (CSLB) register on 4 Nov 2026.
About J M Engineering and Development Corp
- People on the licence
- Vicente Salvador Valenzuela Jr (qualifier, CEO and president)
Google reviews
4.9(31 reviews)Courtney Reid★★★★★ 4 months agoView on Google
I found JN Engineering on Yelp by their fantastic reviews. I was looking for a third bid on a complex project for a 90-year-old building, for which we were getting crazy-high bids. Also, some of the bids had ballooned the scope of work into a much larger job than it already was. First of all, let me say that these are, without hesitation, the kindest and most enjoyable people I have ever worked with. They were immedi…
Elizabeth Bougart-Sharkov★★★★★ a year agoView on Google
I have had the pleasure of working closely with JN Engineering since the early 2000s, and it has always been a truly satisfying experience. Beyond being highly professional, Joseph Mina is exceptionally creative in solving complex structural challenges. It is rare to find a partnership where an architect can rely 100% on such professional advice. The entire JN Engineering staff is also consistently responsive to all…
Jared Lanctot★★★★★ 9 months agoView on Google
I have been practicing architecture for over 2 decades now in the state of CA. My team has worked with many engineers during our tenure and been most drawn to JN Engineering. They maintain quality of service, design intellect, engineering expertise, and creative thinking for any scale project we hire them for. This team has great leadership and they are willing to work as a team player to make projects efficient, cos…
Seeta Bhandari★★★★★ a year agoView on Google
Our architectural engineer Joseph Mina with JN engineering was incredibly knowledgeable and patient throughout our remodeling process. He handled multiple revisions from the city with expertise, especially when structural changes required metal beams to achieve the open-concept design we wanted by removing several walls. His attention to detail, professionalism, and clear communication made everything go smoothly. He…
Uptrend Pro Builders★★★★★ 9 months agoView on Google
We’ve been very happy working with Joseph and the JN Engineering team over the past several years. His expertise and professionalism consistently add great value to our projects.
Read all 31 reviews on Google Reviews and photos from Google, 4 Nov 2026.
Why it ranks #254 of 9,857 general contractors in Los Angeles
Score 86.4 / 100. Claiming this listing or using Theo never changes it. How we rank
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