Best solar companies California Next Door Home Upgrades

Next Door Home Upgrades Reviews

Based in Simi Valley, CA. This profile is built from public installation records and published ratings, not paid placement.

371verified installs in California utility records*
68recent installs, 2025-26 records*
2020first year in county records
8.1/10Solar.com Score · 87 reviews analyzed

Solar.com Installer Score for Next Door Home Upgrades

One score, computed the same way for every installer. We read the full text of all 87 substantive published Next Door Home Upgrades review texts across every platform and measure what customers actually report. Not a survey. Not a sample. Never for sale.

Solar.com Installer Score

8.1/10

Blends the six category scores (70%) with the recency-weighted star record (30%).

Synthesized from 87 substantive customer review texts (90 published reviews collected).

Google 5.0★ · 90 reviews

Updated September 23, 2026 · No installer can pay to change this score · How scores work →

Read what customers actually say ↓
Review star recordRecency-weighted star ratings across platforms, converted to a 0-10 signal before it is blended into the headline Solar.com Score.9.9

recency-weighted star ratings across platforms

Sales IntegrityHow clearly and honestly the company explains the system, contract, savings, and incentives before you sign.7.1

24 reviews speak to this · 24 praise · 0 complaints

Price TransparencyHow well the final price, financing terms, and incentive guidance match what customers were led to expect.6.7

10 reviews speak to this · 10 praise · 0 complaints

CommunicationHow reliably the company keeps customers informed and answers questions across sales, installation, and service.7.7

54 reviews speak to this · 54 praise · 0 complaints

Timeline ReliabilityHow well the company manages the path from contract through permits, installation, inspection, and turn-on — without the customer having to chase it.7.2

30 reviews speak to this · 30 praise · 0 complaints

WorkmanshipThe quality, professionalism, neatness, and property care of the physical installation.7.6

46 reviews speak to this · 46 praise · 0 complaints

Long-Term SupportHow well the system performs after turn-on, how the company handles monitoring, warranty claims, and service calls — and its staying power to honor them.7.7

30 reviews speak to this · 30 praise · 0 complaints

#39 of 1,089 scored in California by Solar.com Installer Score

How does Next Door Home Upgrades compare where you live? Rankings are local; an installer that leads one city can trail in the next. See how they rank in your city →

Why this differs from star ratings: most five-star reviews say “great company” and stop, and star averages reward that. These category scores only count reviews with concrete evidence, weighted by recency and the reviewer’s track record. A company can hold a strong star average while specific categories score lower; that gap is usually where the real story is. Categories with more complaints than praise are the questions worth asking any bidder, not necessarily dealbreakers.

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Where Next Door Home Upgrades builds

County-by-county activity from CPUC records through May 2026.

What this data covers: *Counts on this page, including the totals up top, come from investor-owned-utility interconnection records (SCE, SDG&E, PG&E). Work in municipal-utility territory, such as LADWP or city utilities, and outside California does not appear here, so this company's true totals are higher than shown. Unlike the county rankings, this profile also shows counties below the 250-install ranking floor.

CountyVerified installsRecent 2025-26Active sinceMedian system% leasedCounty rankingLink to the county ranking page. This company's rank on this page is its Solar.com Installer Score rank, shown above.
Los Angeles County1423620218.0 kW3.5%below ranking floor (under 250 installs)
Orange County82520216.8 kW1.2%below ranking floor (under 250 installs)
Ventura County511920219.2 kW5.9%below ranking floor (under 250 installs)
Riverside County28520219.0 kW10.7%below ranking floor (under 250 installs)
San Bernardino County25320219.3 kW4.0%below ranking floor (under 250 installs)
San Benito County18020207.4 kW0.0%below ranking floor (under 250 installs)
Kern County13020205.1 kW7.7%below ranking floor (under 250 installs)
Monterey County12020204.5 kW0.0%below ranking floor (under 250 installs)

% leased counts systems recorded as third party owned (lease or power purchase agreement); the remainder are customer owned. Median system size is the middle system this company installed in that county. Star ratings and review counts are from Google.

Next Door Home Upgrades reviews: what customers say

An independent synthesis of published customer feedback, updated September 23, 2026. Green marks praise, amber mixed experiences, red complaints.

Sales & proposal integrity

Sales Integrity7.1/10

Reviewers generally describe a clear, low-pressure sales process with thorough explanations of options, expectations, and incentive timing. The evidence set is entirely positive, so complaints about proposal clarity or contract expectations were not a material theme in the corpus.Solar.com's composite of published customer feedback, not a customer quote

Clear explanations. Reviewers say the team took time to answer questions and explain options and expectations in plain language. Representative review excerpt: "They took the time to answer every question, explain all of our options clearly, and never made us feel pressured."

Low-pressure approach. Reviewers describe a sales process that did not feel pushy and included discussion of programs and incentive timing. Representative review excerpt: "He explained the process, what our expectations could be, and the various programs and incentives we would be eligible for."

Helpful project framing. Reviewers also report that the team kept them informed about inspections and milestones as the job moved forward. Representative review excerpt: "The biggest variable was city inspections, but those all went smoothly and the next door solar team kept us in the loop each step of the way."

Price & financing transparency

Price Transparency6.7/10

Because this category sits below 7.0, it is best read as positive-to-mixed overall, even though the evidence set does not show a strong complaint pattern about hidden costs or financing terms.Solar.com's composite of published customer feedback, not a customer quote

Fair pricing language. Reviewers say the company was priced fairly or competitively for the work delivered. Representative review excerpt: "Next Door Solar were on time and did everything they promised at a very fair price."

No-pressure explanations. Reviewers describe staff taking time to explain the process clearly, which helped set expectations around costs and financing. Representative review excerpt: "Josh and the team at Next Door Home Upgrades were the first ones who actually took the time to explain everything without making us feel pressured."

Detailed finish quality. Some reviewers connect the value they felt to the attention to detail in the install and the finished look of the system. Representative review excerpt: "The workmanship on the install and the attention to detail was excellent – they installed some black trim below the street-facing solar panels that makes the install look finished, and..."

Communication & coordination

Communication7.7/10

Communication is one of the stronger themes in the review set, with reviewers repeatedly saying the team kept them updated and handled coordination well. The corpus is fully positive on this category, and complaints about handoffs or follow-up were not a notable pattern.Solar.com's composite of published customer feedback, not a customer quote

Frequent updates. Reviewers say the team kept them in the loop during inspections and other project steps. Representative review excerpt: "The biggest variable was city inspections, but those all went smoothly and the next door solar team kept us in the loop each step of the way."

Smooth permitting coordination. Reviewers describe the permitting process as being handled with clear communication and minimal friction. Representative review excerpt: "After we signed, Josh handled all the hoops of the Burbank permitting process flawlessly and with great communication."

Good follow-up. Reviewers also mention post-install check-ins and ongoing support after the job was completed. Representative review excerpt: "We've been very happy with the craftsmanship and with follow-up check-ins on the solar system's performance."

Timeline reliability

Timeline Reliability7.2/10

Reviewers generally report that projects moved on schedule and that permits, inspections, and utility paperwork were handled smoothly. The category is positive overall, with no meaningful complaint cluster about delays or missed appointments in the evidence reviewed.Solar.com's composite of published customer feedback, not a customer quote

On-time completion. Reviewers say crews arrived on time, worked efficiently, and finished within the promised timeline. Representative review excerpt: "The installation crew arrived on time, they worked efficiently, they kept everything clean, and they completed the project within the promised timeline while also handling permits and inspections."

Permitting handled well. Reviewers report that the company managed permits, inspections, and activation paperwork without major issues. Representative review excerpt: "After installation, Josh again handled all the hoops of the inspection and Permission To Operate paperwork beautifully."

Fast start-to-finish pace. Some reviewers describe the full job as moving quickly from start to finish. Representative review excerpt: "AND INSTALLED SOLAR ON OUR HOME, GOT IT DONE IN LESS THAN 30 DAYS START TO FINISH!!!!!"

Workmanship & site care

Workmanship7.6/10

Reviewers commonly describe professional crews, clean job sites, and careful installation work. The evidence is entirely positive, so workmanship concerns do not appear as a notable theme in this corpus.Solar.com's composite of published customer feedback, not a customer quote

Clean job sites. Reviewers say the crew left the work area tidy and kept the site clean during installation. Representative review excerpt: "The next door solar crew was professional and got their work done quickly, efficiently and left no mess behind."

Professional crew. Reviewers describe the installation team as punctual, polite, and efficient. Representative review excerpt: "The installation was perfect and his crew were punctual, clean, and polite."

Attention to detail. Reviewers also note careful finish work and an organized installation process. Representative review excerpt: "The workmanship on the install and the attention to detail was excellent – they installed some black trim below the street-facing solar panels that makes the install look finished, and..."

Long-term support & performance

Long-Term Support7.7/10

Post-install feedback is strongly positive, with reviewers saying the system continued performing well and that follow-up support was responsive when issues came up. The corpus does not show a meaningful complaint pattern in this category, but it does show continued attention after activation.Solar.com's composite of published customer feedback, not a customer quote

Ongoing follow-up. Reviewers say the company checked back after installation and made adjustments when needed. Representative review excerpt: "He followed up with us after a year to ensure our system was performing as promised, and even made an adjustment to help us save even more money."

System performance. Reviewers report that their systems continued producing as expected after installation. Representative review excerpt: "We’ve had our Solar Panel system for almost two years.The savings on my dwp bill are great."

Issue response. When city or utility-related problems came up, reviewers say the team stepped in to help resolve them quickly. Representative review excerpt: "Had a hiccup with the city inspector + Edison and they were there to deal with it asap."

Bottom line: Across 87 substantive reviews, NEXT DOOR HOME UPGRADES is described in consistently positive terms, with especially strong feedback on communication, workmanship, and post-install support. The lower-scoring price and sales-related categories still lean positive, but they read more as clear and fair than as standout strengths. Complaints were not a material pattern in the reviewed corpus.

How this is built: category scores and summaries weigh the company's full published rating record (90 Google reviews averaging 5.0 stars), the most recent and most relevant review texts, and recurring feedback themes verified acrossGoogle. Ratings and review excerpts from published review sources. Refreshed as new feedback is published. No installer can pay to change it.

About Next Door Home Upgrades

Company background from published business information and licensing records.

Products

Solar

Service area

California. Note: the install counts on this page cover California investor-owned-utility records only.

Work for this company or see something out of date? Profiles can be claimed and corrected: contact partners@solar.com. Placement on solar.com is never for sale.

Recorded installs by year

Residential interconnections statewide in PG&E, SCE, and SDG&E records through May 2026.
12
2020
79
'21
83
'22
104
'23
66
'24
46
'25
25
'26

Important context: this chart shows investor-owned-utility records only. Companies that shift work toward municipal-utility territory (LADWP and city power departments) or other states will show declining bars here even while building steadily elsewhere, and 2025-26 records also lag real installation dates. Treat this as a partial window, not the company's full trajectory.

FAQ about Next Door Home Upgrades

What do customers say in Next Door Home Upgrades reviews?

We analyzed 87 substantive published customer reviews of Next Door Home Upgrades in full. The company's Solar.com Installer Score is 8.1/10, with category-level detail on this page covering sales integrity, price transparency, communication, timeline reliability, workmanship, and long-term support.

How many solar systems has Next Door Home Upgrades installed?

Next Door Home Upgrades appears as installer of record on 371+ residential systems in California investor-owned-utility interconnection records through May 2026. Work in municipal-utility territory or other states does not appear in those public records.

How can I compare Next Door Home Upgrades' pricing?

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How we built this data

Methodology: Counts are residential PV interconnections in investor-owned-utility territory (PG&E, SCE, SDG&E) per CPUC Rule 21 public records through May 2026. Postal and name variants are merged. Municipal utility territory such as LADWP, Glendale, Pasadena, Burbank, Anaheim, and Riverside Public Utilities is not included in those CPUC counts. Counts show recorded installations, not quality ratings. Reported costs are self-reported on owned-system interconnections. No installer can pay for placement.

Who we are: Solar.com is a solar marketplace — we connect homeowners with installers and earn a fee when projects move forward. These rankings and scores are computed from public installation records and published customer reviews. No installer can pay for placement, and no installer — including those we work with — can pay to change a score.