Cheapest Car Insurance Quotes in Port Costa

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Port Costa Car Insurance

^$ 25

/mo

Written by Sara Sam

Edited by Renee Martin

Why you can trust Way?

The auto insurance rates published in this guide are based on the results of research completed by Way’s data team. Using a mix of public and internal data, we analyzed millions of rate averages across U.S. ZIP codes. These rates were publicly sourced from insurer filings and should be used for comparative purposes only — your own quotes will differ. Given this, it’s important to go through our insurance steps form to find how much you can save with Way.

Table of Contents

How Much Is Car Insurance in Port Costa

The car insurance rate in Port Costa is $991 for a six-month policy, which is $20 lower than the higher than the state average. Root Insurance Company offers the lowest rates in the city at $629, making it a popular choice for budget-conscious drivers. Rates in Port Costa can vary depending on your age, driving record, and coverage level, so not every driver will pay the same amount. Choosing a higher deductible, maintaining a clean driving history, and comparing quotes from multiple insurers can help you find better deals and save money over time.

Avg. Car Insurance in Port Costa

$991

Avg. Car Insurance in California

$1011

National Average

$1140

Cheapest Car Insurance Companies in Port Costa

1st place: CSAA

At $629 for a six month policy, CSAA offers the cheapest auto insurance rates in the city.

2nd place: USAA

USAA offers auto insurance rates at $798 for a six-month policy, making it one of the cheapest to insure with.

3rd place: Mercury

Mercury offers auto insurance rates at $844 for six months, making it the third cheapest auto insurance company in Port Costa.

Port Costa Car Insurance Rates by Company

Based on our research, the cheapest car insurance company in Port Costa, CA is CSAA, offering policies at just $629 for a six-month term. This is followed by USAA, which has an average six-month premium of $798.

At the higher end of the spectrum, Hartford is the most expensive, with rates reaching $757 for a six-month policy. Rates can vary widely by driver, but comparing quotes from multiple companies can help Port Costa drivers find the best deals.

Cheap Car Insurance Companies in Port Costa, CA

Company	Avg. 6 Mo. Premium	Avg. Monthly Premium
CSAA	$629	$106
USAA	$798	$134
Mercury	$844	$142
AAA SoCal	$925	$158
Progressive	$972	$164
Allstate	$1065	$179
Wawanesa	$1071	$180
AAA NorCal	$1083	$184
Auto Club	$1117	$186
State Farm	$1182	$199
AAA	$1345	$224
Kemper	$1392	$236
Farmers	$1554	$259
Capital Insurance Group	$693	$116
National General	$705	$120
State National	$716	$120
Hartford	$757	$128

Key Takeaways

Way's key takeaways about car insurance in Port Costa

The auto insurance costs in Port Costa fall around $629 for six months.
The cheapest auto insurance company in Port Costa is CSAA.
Teen drivers pay the highest rate in Port Costa at $66 per month.

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Save up to $971/yr with our auto insurance quotes

Cheapest Minimum Liability Car Insurance in Port Costa

Since car insurance is a critical requirement for owning a car, you must have minimum liability car insurance. The cheapest car insurance companies for minimum coverage in Port Costa are given below.

CSAA provides the cheapest minimum car insurance coverage in Port Costa. Their Average 6 Month Premium is $151. 21st Century is the most expensive at $396 for the same period.

Cheapest Liability Coverage in Port Costa, CA

Company	Avg. 6 Mo. Premium	Avg. Monthly Premium
CSAA	$151	$25
AAA	$268	$45
USAA	$279	$47
AAA NorCal	$291	$49
AAA SoCal	$332	$57
Progressive	$338	$57
Auto Club	$343	$59
State Farm	$355	$60
Wawanesa	$361	$61
Mercury	$384	$65
Allstate	$414	$70
Farmers	$495	$82
Kemper	$273	$46
Capital Insurance Group	$297	$51
State National	$315	$54
National General	$390	$65
21st Century	$396	$68

Cheapest Full Coverage Car Insurance in Port Costa

One might think that minimum coverage is only required when insuring your car insurance. However, having full coverage car insurance in any city is certainly a wise choice as it offers better coverage and protection. Our best pick for the cheapest auto insurance quotes in Port Costa is CSAA at $106 per month and $629 for six months.

Cheapest Full Coverage Car Insurance Quotes in Port Costa, CA

Company	Avg. 6 Mo. Premium	Avg. Monthly Premium
CSAA	$629	$106
USAA	$798	$134
Mercury	$844	$142
AAA SoCal	$925	$158
Progressive	$972	$164
Allstate	$1065	$179
Wawanesa	$1071	$180
AAA NorCal	$1083	$184
Auto Club	$1117	$186
State Farm	$1182	$199
AAA	$1345	$224
Kemper	$1392	$236
Farmers	$1554	$259
Capital Insurance Group	$693	$116
National General	$705	$120
State National	$716	$120
Hartford	$757	$128

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Average Car Insurance in Port Costa by Rating Factor

The car insurance rates for two people under the same ZIP code will mostly be different. This is mostly because insurance rates are calculated based on several rating factors. These rating factors include the driver's age, gender, marital status, driving and claims history, credit score, location, type of vehicle, and coverage levels.

I have a clean driving record. Why is my car insurance rate here in Port Costa, CA increasing?

Despite maintaining a clean driving record, your car insurance rates in Port Costa, California, may be increasing due to several external factors. California has experienced significant rate hikes recently, with average premiums rising by 25.5% in 2023, largely attributed to higher claims volumes and inflation.

Additionally, Port Costa's high urban population density, raised auto theft rates, and frequent natural disasters contribute to increased insurance costs.

Car Insurance Premiums by Age in Port Costa

It is quite evident why teen drivers pay the highest car insurance rates in any city. Their lack of experience and increased accident rates make them a highly risky category. However, as you grow older, your car insurance rates will decrease. So, it is better to not have separate policies for teens; instead, add them to their parents' policies.

Cheapest Car Insurance Companies Based on Age Group

Age Group	Cheapest Companies	Avg. 6 Mo. Premium
20s	Wawanesa	$573
30s	Wawanesa	$463
40s	Wawanesa	$463
50s	Wawanesa	$463
60s	Wawanesa	$463
70s	Wawanesa	$453

Cheapest Car Insurance Rates for Teen Drivers in Port Costa,CA

If you are planning to get a car insurance policy for your teenage dependent, AAA provides the cheapest car insurance in the Port Costa at $38 per month. At $384 for a six-month premium, Marcury offers the most expensive rate for teen drivers.

Company	Avg. 6 Mo. Premium	Avg. Monthly Premium
AAA	$227	$38
Capital Insurance Group	$513	$85
USAA	$1222	$206
Mercury	$1240	$209
Wawanesa	$1362	$231
Progressive	$1426	$240
CSAA	$1717	$289
State Farm	$2037	$343
AAA SoCal	$2206	$375
Allstate	$2364	$398
Auto Club	$2521	$428
AAA NorCal	$3358	$560
Farmers	$3429	$583
State National	$367	$61
Marcury	$384	$66

Teen Car Insurance Rates in CA by Age

Way Tip

If you are in your twenties Wawanesa is the best choice for car insurance in Port Costa.

As young drivers face the highest rates in Port Costa, Wawanesa offers the cheapest auto insurance rates at $573 for six months.

Car Insurance Rates by Credit Score & Driving History

Similar to your driving history, your financial history also plays a key role in determining your auto insurance rates. A low credit score would mean a lapse in payment and increased chances of filing claims, which results in higher auto insurance rates. Therefore, the higher the credit score, the lower the car insurance rates will be.

Escape the Trap of Rising Insurance Costs.

Save up to $971/yr on car insurance rates in Port Costa.

Car Insurance Rates with An Accident in Port Costa

Both accidents and the resulting increase in insurance rates are often beyond our control. When you’re involved in an accident, you become riskier to insure, consequently increasing the rates. In Port Costa, CA, accidents can lead to significant hikes in your premiums.

Cheapest Car Insurance Companies after an At-Fault Accident in Port Costa

The cheapest car insurance companies after an at-fault accident in Port Costa include AAA and Capital Insurance Group, offering $372 and $535, respectively. 21st Century is an expensive provider with an average six-month premium of $669.

Company	Avg. 6 Mo. Premium	Avg. Monthly Premium
AAA	$372	$63
Capital Insurance Group	$535	$91
CSAA	$716	$121
USAA	$1071	$180
Progressive	$1240	$209
Mercury	$1315	$223
Wawanesa	$1513	$252
AAA SoCal	$1590	$270
Auto Club	$1677	$279
Farmers	$1723	$290
State Farm	$2049	$345
AAA NorCal	$2194	$373
Allstate	$2637	$444
State National	$442	$74
Hartford	$513	$87
National General	$588	$98
Nationwide	$634	$108
21st Century	$669	$112

Port Costa Car Insurance Rates by Violation

Here is a list of driving violations that can increase your car insurance rates in Port Costa CA. For example, the car insurance in Port Costa after a DUI increases to $1705 for a six month policy. While the rate increases by $448 for a six-month policy in the case of a speeding ticket.

Port Costa auto insurance quotes by violations

Accident/Violation	Avg. 6 Mo Premium	Avg. Monthly Premium
None	$1065	$177
Not-at-fault accident	$1065	$181
One comp claim	$1065	$177
One Med/PIP claim	$1065	$181
Two comp claims	$1065	$177
Two Med/PIP claims	$1065	$181
At-fault accident - less than $1000	$1089	$181
Failure to show documents	$1403	$238
Driving with expired registration	$1432	$239
Driving without lights	$1432	$243
Failure to wear a seat belt	$1438	$240
Child safety restraint	$1449	$246
Speeding 11 - 15 MPH over limit	$1507	$251
Speeding 16 - 20 MPH over limit	$1507	$257
Driving too slowly	$1513	$252
Failure to stop at a red light	$1513	$258
Failure to yield	$1513	$252
Following too closely	$1513	$258
Illegal turn	$1513	$252
In 65 MPH zone	$1513	$258
Speeding 21 - 25 MPH over limit	$1513	$252
Speeding 6 - 10 MPH over limit	$1513	$258
Speeding in school zone	$1513	$252
Improper passing	$1519	$259
Cell phone violation	$1525	$254
Texting while driving	$1525	$260
Passing school bus	$1543	$257
Wrong way/wrong lane	$1804	$307
Operating a vehicle without permission	$1845	$308
At-fault accident - $1000-$2000	$1857	$316
At-fault accident - greater than $2000	$1857	$310
Open container	$1863	$317
Driving with a suspended license	$2160	$360
Reckless driving	$2631	$448
Racing	$2661	$443
Leaving scene of an accident/hit and run	$2671	$455
DUI	$2770	$462
Refusal to submit to a chemical test	$2770	$471

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Way Tip

Avoid Having A DUI On Your Driving Record.

A DUI can increase your car insurance rates—by $5,000 to $10,000 over five years. Speeding, reckless driving, and at-fault accidents also raise rates, staying on your record for 3–5 years, while DUIs/DWIs can impact you longer.

Car Insurance Rates in Port Costa after a DUI

There may have been times when you drank but chose not to drive—a smart and responsible decision, as most states treat DUIs as a serious offense. Your car insurance rates can double after a DUI charge, making it harder to find affordable coverage in Port Costa.

The cheapest car insurance premiums in Port Costa are offered by AAA at $733 for a six-month policy. However, it can be as expensive as $617 with companies like Kemper.

Port Costa car insurance quotes with a DUI

Company	Avg. 6 Mo. Premium	Avg. Monthly Premium
AAA	$733	$124
Capital Insurance Group	$798	$133
Mercury	$949	$160
Progressive	$1403	$236
Wawanesa	$1705	$290
Farmers	$1810	$305
USAA	$1927	$324
CSAA	$2037	$343
AAA SoCal	$2946	$501
Auto Club	$3370	$562
AAA NorCal	$3883	$661
State Farm	$4144	$698
Allstate	$4267	$718
Travelers	$821	$137
National General	$384	$64
Kemper	$617	$103

Cheapest car insurance after a speeding ticket

One of the easiest ways to save money on car insurance is to stay within the speed limit. After a speeding violation, the cheapest car insurance premiums in Port Costa are offered by CSAA at $93. However, it can be as expensive as $442 with companies like State National for a similar six-month premium.

Cheapest Car Insurance in Port Costa after Speeding ticket

Company	Avg. 6 Mo. Premium	Avg. Monthly Premium
CSAA	$93	$16
Capital Insurance Group	$513	$85
Mercury	$873	$147
USAA	$914	$152
Progressive	$984	$166
AAA NorCal	$1362	$227
AAA SoCal	$1461	$249
Allstate	$1502	$250
State Farm	$1590	$270
Farmers	$2200	$367
AAA	$285	$48
Kemper	$361	$62
National General	$384	$64
State National	$442	$75

Car Insurance Price Trends in Port Costa, California

Car insurance rates in Port Costa have fluctuated due to factors such as state regulations, inflation, and changing driving habits.

The average cost of full coverage in the Port Costa rose by $188 in December compared to $186 of November. In other words, there has been an increase by $2 when you compare December and November.

The average cost of liability insurance in the Port Costa rose to $53 in December, compared to $51 in November. This represents an increase of $2 when comparing December and November.

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Frequently Asked Questions

How much is car insurance in Port Costa?

The car insurance in Port Costa is $25 per month, which is lower than the national average.

What is the cheapest car insurance in Port Costa?

The cheapest car insurance in Port Costa is $106 per month for full coverage.

How much is car insurance in Port Costa for teenagers?

Car insurance for teenagers costs $227 per 6 months. The rates for teen drivers are higher due to their lack of experience as drivers.

What's the average cost of car insurance in Port Costa?

The average cost of car insurance is $1011 for a six-month policy. It will cost around $167 per month to insure your car in Port Costa.

Is car insurance expensive in Port Costa?

Car insurance can be expensive in Port Costa if your rating factors are not favorable. However, with a clean driving record and good credit score, car insurance rates in Port Costa can be affordable.

Cheapest Car Insurance Quotes in Port Costa

Why you can trust Way?

How Much Is Car Insurance in Port Costa

Avg. Car Insurance in Port Costa

Avg. Car Insurance in California

National Average

Cheapest Car Insurance Companies in Port Costa

1st place: CSAA

2nd place: USAA

3rd place: Mercury

Port Costa Car Insurance Rates by Company

Cheap Car Insurance Companies in Port Costa, CA

Way's key takeaways about car insurance in Port Costa

High Rates Shouldn’t Drive You Out of Pocket.

Cheapest Minimum Liability Car Insurance in Port Costa

Cheapest Liability Coverage in Port Costa, CA

Cheapest Full Coverage Car Insurance in Port Costa

Cheapest Full Coverage Car Insurance Quotes in Port Costa, CA

Don't Let Hidden Costs Drive You Crazy

Average Car Insurance in Port Costa by Rating Factor

I have a clean driving record. Why is my car insurance rate here in Port Costa, CA increasing?

Car Insurance Premiums by Age in Port Costa

Cheapest Car Insurance Companies Based on Age Group

Cheapest Car Insurance Rates for Teen Drivers in Port Costa,CA

If you are in your twenties Wawanesa is the best choice for car insurance in Port Costa.

Car Insurance Rates by Credit Score & Driving History

Cheapest Car Insurance Companies for Bad Credit

Escape the Trap of Rising Insurance Costs.

Car Insurance Rates with An Accident in Port Costa

Cheapest Car Insurance Companies after an At-Fault Accident in Port Costa

Port Costa Car Insurance Rates by Violation

Port Costa auto insurance quotes by violations

Your Wallet Deserves Better. Seriously.

Avoid Having A DUI On Your Driving Record.

Car Insurance Rates in Port Costa after a DUI

Port Costa car insurance quotes with a DUI

Cheapest car insurance after a speeding ticket

Cheapest Car Insurance in Port Costa after Speeding ticket

Car Insurance Price Trends in Port Costa, California

Average Car Insurance Cost in Port Costa by ZIP Code

Frequently Asked Questions

Tired of Insane Auto Insurance Bills? Us Too!

Find Car Insurance Rates in Cities Near Port Costa, CA

Car Insurance Rates by State in the USA (2025 Update)

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