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Avatar for Gridwise Electric
Gridwise Electric
5.0(
27
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

"We brought Gridwise in for electrical work connected to a solar wiring project. I was a little on edge going in because our last contractor experience was? not great. Stas was the first person we talked to and he set the tone: clear scope, what?s included, and what might change if the panel had surprises. That alone made it feel more predictable. On install day, Enrique ran the job and the crew was steady and respectful in the house. When something small came up, they didn?t force one path?they gave a couple options and explained the pros/cons in a way I could actually follow. The finished work looks intentional (not rushed), and we passed inspection without any back-and-forth. Overall it was just? smooth. I?d use them again."
New Home Build Electrical
New Home Build Electrical
New Home Build Electrical
Construction Electrical
Construction Electrical

+41

1 neighbors recently requested a quote
Avatar for Gridwise Electric
Gridwise Electric
5.0(
15
)
Portable Generator - RepairFixed Generator - InstallFixed Generator - Repair+3 more

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

"We used Gridwise for a lighting install and I’m picky about finish details. Miguel did a nice job and the fixtures are straight, plates look clean, and nothing feels “patched.” They also helped us sort out switch groupings so it works in real life (not just on paper). They showed up when they said they would, and the place wasn’t left dusty afterward."
Junction box
Main panel
Framing phase
Construction Electrical
Construction Electrical

+3

27 neighbors recently requested a quote
Avatar for Sonoma Coast Electric, Inc
Sonoma Coast Electric, Inc
5.0(
7
)
Fixed Generator - InstallGenerator - Install - For BusinessPortable Generator - Install

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2024

Free estimates

Warranties offered

"I had 2 ceiling fan/lights installed in the bedrooms. Installation included 2 new circular circuit boxes in each bedroom ceiling. In addition, I replaced the kitchen ceiling light with an LED fixture. The 2 workers were very polite and professional and worked quickly and efficiently, in addition to being respectful of my personal belongings."
Multimeter Test
100 amp Sub Panel
100 amp Sub Panel
Installing Unistrut
Stripping Wire

+3

Response time1 day
Response rate100%
7 neighbors recently requested a quote
Avatar for Christopher Robert Ceinar
Christopher Robert Ceinar
5.0(
15
)
Fixed Generator - InstallPortable Generator - Install

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2023

Offers commercial services

"We needed to install an EV charger receptacle quite far from the electrical panel. Chris suggested leading individual wires through a conduit instead of simply using Romex, saying that heat characteristics are better. He also wanted to know what EV charger we were getting and asked for documentation. We also discussed other aspects of the work. His genuine interest and attention to detail made us choose him. At the end, we were impressed with the quality of the work he delivered and how easy it was to communicate with him. He charged about the average price for this work but delivered more than many other electricians would do."
Avatar for Golden Bay Electric
Golden Bay Electric
4.9(
29
)
Portable Generator - Install

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Edgar is very detailed, respectful, professional with very good customer service! He showed up on time and completed the electric panel change sooner than expected! I have already referred him to my cross the street neighbor, Diane. Hopefully she will reach out soon for an estimate to change out her electrical panel too. Thank you ð ð"
Response time2 days
2 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Bragg Home Services
Bragg Home Services
4.7(
47
)
Fixed Generator - InstallFixed Generator - Repair

Serving Mill Valley, CA and surrounding areas

Approved

In business since 1968

Free estimates

Small jobs welcome

"The installers were very sweet and professional. But I donâ t think I was made completely aware of how the exterior installation would look. The last 4 or 5 feet of the white pipeline are not covered and it looks unfinished and messy."
Response time2 days
Response rate100%
136 neighbors recently requested a quote
Warner Electric
5.0(
6
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Mill Valley, CA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Steve and his team have done a number of jobs for me from installing light fixtures to adding additional outlets in the bathroom which required going underneath the house. They are professional, timely, courteous, clean, reliable and reasonably priced!"
7 neighbors recently requested a quote
Recommended by100%of homeowners
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Showing 1-10 of 95
Generator Install questions, answered by experts

Yes, natural gas generators can work without electricity. Natural gas generators are a common type of backup or whole-house generator that operates when the electrical grid isn’t working. The trick is using a transfer switch (which usually needs to be installed with the generator) that safely switches the home electrical system from the power grid to generator power when needed.

Yes, installing a generator usually increases your property value because buyers are getting the added peace of mind knowing they’ll be able to maintain power through blackouts. In most cases, you should see close to a 100% return on investment (ROI). Keep in mind that home generators usually need a permanent foundation, and installing a concrete slab will likely raise your property taxes slightly.

DIY is possible for basic setups. Professional installation ensures safe and proper electrical connections.

To reduce AC startup power for a whole-house generator, install a soft start kit or hard start capacitor, which lowers the initial surge by gradually ramping up the compressor. Using a smart load manager can also help by staggering startup loads, preventing a system overload and future costly repairs.

A portable generator can supply power to selected appliances and circuits in a home, but it's generally not designed to handle the entire household's electrical needs simultaneously. Portable generators have limited wattage capacity, so they are only designed to power essential devices and electronics temporarily until local power is restored. If your power needs outweigh the capabilities of a portable generator, consider installing a whole-home generator instead.

The Mill Valley, CA homeowners’ guide to generator installs

From average costs to expert advice, get all the answers you need to get your job done.