PanelCensus

Mark Iii Construction

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Solar installer based in California · installer record #7744 resolved from 11 public installation records.

At a glance

Mark Iii Construction is a solar installer with 11 recorded installations totalling 789 kW, dated 2019 to 2025. All of its records are in California, where it ranks 4033rd of 6,010 profiled installers by volume and 6,978th of 10,537 nationally.

Recorded installs
11
Total capacity
789 kW
DC nameplate
Median system
48 kW
≈ $13,500
Median price
—
too few priced systems
Third-party owned
0%
lease / PPA
Battery attach
0%
First recorded
2019
Last recorded
2025

Track record

Install volume by year

2019
1$2.99/W
2021
1
2022
5
2023
1
2025
2

Bars: recorded installs · right column: this installer's median $/W that year.

Latest records

Most recent recorded installs

DateLocationSizePriceOwnership
Sep 19, 2025Sacramento, CA48 kW$96,956—
Mar 15, 2025McClellan, CA10 kW$20,000—
Feb 9, 2023Sacramento, CA3 kW$6,000—
Dec 1, 2022Sacramento, CA277 kW$554,692—
Nov 30, 2022Sacramento, CA69 kW$138,039—
Jun 6, 2022Sacramento, CA46 kW$92,507—
Jun 2, 2022Sacramento, CA34 kW$67,615—
Apr 5, 2022Sacramento, CA64 kW$127,143—
Oct 14, 2021Sacramento, CA90 kW$180,000—
Mar 22, 2019Friant, CA4.5 kW$13,500Host-owned

See all 11 installations →searchable & filterable; export to CSV with a free account

Service geography

Busiest cities

Sacramento, CA 9Friant, CA 1McClellan, CA 1

Record

Installer ID
PC-7744
First recorded install
Mar 22, 2019
Last recorded install
Sep 19, 2025
Priced records
1

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How does Mark Iii Construction compare with other installers in California?

By recorded installations Mark Iii Construction ranks 4033rd among the 6,010 installers based in California with five or more records. Its median system, 48 kW, is about 8.1 times the state median of 5.9 kW. 0% of its recorded installations are third-party owned (lease or power-purchase agreement), against 29% across California. 0% include battery storage, compared with 16% of California records. Installers of similar recorded volume in California include Leon Electric (11), Lewis Mechanical (11) and Main Street Power (11).

How has Mark Iii Construction's installation volume changed?

Mark Iii Construction's earliest dated installation on record is from 2019. It has recorded installations in 5 calendar years. The busiest year was 2022, with 5 installations. 2025, its latest year with records, has 2. The most recent recorded installation is dated Sep 19, 2025.

Where does Mark Iii Construction install solar?

All recorded installations are in California. The cities with the most of its installations are Sacramento, CA (9), Friant, CA (1) and McClellan, CA (1).

Frequently asked questions

How many solar installations has Mark Iii Construction completed?

PanelCensus records 11 installations by Mark Iii Construction, from Mar 22, 2019 to Sep 19, 2025, totalling 789 kW of capacity. Public reporting varies by state, so the company's true total may be higher.

What does Mark Iii Construction charge for solar?

The median installed price across 1 priced systems from all years is $2.99/W before incentives (median system 48 kW, about $13,500). The California median is $4.26/W. Prices are the total project cost reported to state programs, so they can include work billed with the solar.

Where does Mark Iii Construction install solar?

All 11 recorded installations are in California, the most of them in Sacramento.

Is Mark Iii Construction still installing solar?

The most recent installation attributed to Mark Iii Construction in the public records is dated Sep 19, 2025; 2025 has 2 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.

Does Mark Iii Construction install leased or PPA solar systems?

0 recorded installations by Mark Iii Construction (0%) are third-party owned — a lease or power-purchase agreement; across California the share is 29%.

Does Mark Iii Construction install battery storage?

0 recorded installations by Mark Iii Construction (0%) include a battery.

Related installers and places

Dataset updated . Sources: LBNL Tracking the Sun + permit and program records; installer resolved by exact-normalized name matching.

About this data

Source: Lawrence Berkeley National Laboratory's Tracking the Sun, merged with city permit records, state incentive programs and the USGS U.S. Large-Scale Solar Photovoltaic Database / EIA-860 plant registers, as published September 21, 2026 — PanelCensus refreshes it as each source publishes new records. See the methodology for how records are matched, cleaned and scored.

Cite as: PanelCensus, “Mark Iii Construction, solar installer (California)”, https://panelcensus.com/installers/california/mark-iii-construction-7744 (data as of September 21, 2026).