Contractor Profile

Cornerstone Managing Partners

Cornerstone Managing Partners is a diversified San Diego contractor — 22 segment-eligible permits spanning 4 segments, led by multifamily alteration (41%) and commercial alteration (23%). Its permit record in San Diego spans 2021–2026. Reliable permit valuations total ≈$4.0M (across the 55% of filings with a valuation we can stand behind). Filing activity is steady over the last 90 days versus the prior 90.

First permit: Sep 16, 2021 (1,754d ago)Latest permit: May 27, 2026 (40d ago)
The sales record
Territory
San Diego
Active
2021–2026 · 5 yrs
Licenses on file
0
Canonical ID
555,520
Reliable value
$4.0M
Coverage
55%
Reliable filings
12
Rank in San Diego
#874
Permits (all-time)
41
Filings 90d
1
Filings 30d
0
Latest permit
May 27, 2026
Typical project size$100Ktypically $18K–$426K across 12 valued permits
Where they work
Firmographics
License & registration IDs on fileNo license records in the source data.
Direct contactNot in our data — we don’t fabricate firmographics.
Service area

Typical service area ~4 mi around San Diego

The p90 footprint of where Cornerstone Managing Partners has pulled permits in San Diego — based on 40 geocoded permits (98% of their indexed set). It reflects detected permit activity, not a guaranteed service-area claim.

  • San Diego41
Recent permitsLargest recent$1.5M· 3535 01st Av, San Diego, CA 92103, San Diego, CA

Showing 20 of 22 permits by Cornerstone Managing Partners · most recent first

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May 27, 2026
applied Sep 18, 2025
3671 Ocean Front Wk, San Diego, CA, San Diego, CA
Multifamily Alteration
$653K
Apr 3, 2026
applied Apr 1, 2026
3465 Camino Del Rio South, San Diego, CA, San Diego, CA
Commercial Alteration
$10K
May 23, 2025
3675 Ocean Front Wk, San Diego, CA, San Diego, CA
Multifamily Alteration
$5K
May 23, 2025
applied Mar 27, 2025
5719 Erlanger St, San Diego, CA 92122, San Diego, CA
Commercial Alteration
Apr 23, 2025
applied Feb 12, 2025
845 Fort Stockton Dr, San Diego, CA 92103, San Diego, CA
Commercial MEP
Commercial
Apr 23, 2025
applied Feb 12, 2025
845 Fort Stockton Dr, San Diego, CA 92103, San Diego, CA
Commercial MEP
Commercial
Apr 23, 2025
applied Feb 12, 2025
845 Fort Stockton Dr, San Diego, CA 92103, San Diego, CA
Commercial Alteration
$250K
Jan 14, 2025
applied Jan 3, 2025
3675 Ocean Front Wk, San Diego, CA, San Diego, CA
Multifamily Alteration
$5K
Jun 7, 2024
applied Mar 29, 2024
303 Market St, San Diego, CA, San Diego, CA
Multifamily Alteration
$20K
Sep 27, 2023
applied Jul 13, 2023
100 Harbor Dr, San Diego, CA 92101, San Diego, CA
Multifamily Alteration
$150K
Mar 28, 2023
applied Apr 10, 2022
3535 01st Av, San Diego, CA 92103, San Diego, CA
Residential MEP
Residential
Feb 17, 2023
applied Apr 1, 2022
1501 Front St, San Diego, CA 92101, San Diego, CA
Commercial MEP
Commercial
Feb 17, 2023
applied Apr 1, 2022
1501 Front St, San Diego, CA 92101, San Diego, CA
Commercial MEP
Commercial
Jan 10, 2023
applied Aug 23, 2021
2400 06th Av, San Diego, CA 92101, San Diego, CA
Multifamily Alteration
$350K
Jan 3, 2023
applied Apr 10, 2022
3535 01st Av, San Diego, CA 92103, San Diego, CA
Multifamily Alteration
$1.5M
Nov 28, 2022
100 Harbor Dr, Unit 606-3406, San Diego, CA 92101, San Diego, CA
Multifamily Alteration
$50K
Sep 6, 2022
applied Dec 20, 2021
1325 Pacific Hy, San Diego, CA, San Diego, CA
Commercial Alteration
$1.0M
Jun 29, 2022
applied Nov 27, 2019
350 HOA W ASH ST, San Diego, CA
Residential MEP
Residential
Jun 29, 2022
applied Nov 27, 2019
350 HOA W ASH ST, San Diego, CA
Residential MEP
Residential
Dec 20, 2021
applied Nov 24, 2021
1325 Pacific Hy, San Diego, CA, San Diego, CA
Multifamily Alteration
$25K

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