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For informational purposes only. This is not a commitment to lend or extend credit. Information and/or dates are subject to change without notice. All loans are subject to credit approval. Payments are quoted principal and interest with mortgage insurance if applicable, taxes and insurance are not included in payment estimation. Your payment obligation may be higher.
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Secure Your Dream Home in 94558, California

Looking to buy a home or refinance in the 94558 zip code? Use our advanced mortgage calculator to estimate payments and explore loan options tailored to your needs. Start your journey with expert guidance today!
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Population of 94558 ZIP Code~25,000
The population in the 94558 ZIP code area of Napa, CA, is approximately 25,000 as of recent census data from sources like ZIP-Codes.com and ZipDataMaps, reflecting a stable suburban community in Napa County.
ZIP Code 94558 Info, Map, Demographics for Napa, CA Image
Median Household Income$85,000
Median household income in 94558 is around $85,000 annually, supporting affordability for home buying and refinancing decisions, based on demographic data from Napa, CA sources updated as of 2025.
A Guide To The 94558 Zip Code in Napa, CA Image
Median Home Value$750,000
The median home value in 94558 is approximately $750,000, indicating a premium housing market influenced by Napa's wine country appeal, per real estate data from Redfin and local ZIP code reports as of 2025.
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Mortgage Loan Calculator for Home Purchases and Refinancing in 94558, California

At Summit Lending, we recognize that buying a home or refinancing a mortgage in the 94558 zip code of California is a major financial step. That's why we've developed a user-friendly mortgage loan calculator to assist residents of Napa and surrounding areas in estimating monthly payments and planning budgets with precision. Whether you're a first-time buyer exploring properties in Napa Valley, looking to upgrade your home, or aiming to lower your payments through refinancing, our tool delivers personalized results based on the latest interest rates and loan terms. Based in Tremonton, Utah, Summit Lending proudly serves clients across California, including the 94558 area, with over 50 years of combined experience in the mortgage industry.

Calculate Your Mortgage Loan for 94558 Properties

Understanding your mortgage payment is a crucial part of the home buying process in California. Our mortgage calculator helps you budget effectively, confirms if your dream home in Napa is within reach, and supports long-term financial planning. For residents in the 94558 zip code, this tool is invaluable for navigating the competitive Napa Valley real estate market.

How to Calculate Your Mortgage Payment

Your monthly mortgage payment typically includes four key components, often referred to as PITI. These are essential to consider when using our home loan calculator for properties in the 94558 area:

  • Principal (P): The portion of the original loan amount you repay each month.
  • Interest (I): The cost of borrowing the principal, based on your interest rate.
  • Taxes (T): Local property taxes, which vary in Napa County.
  • Insurance (I): Homeowner's insurance and possibly private mortgage insurance (PMI) if your down payment is less than 20%.

Mortgage Payment Formula with Our Calculator

Use this formula to estimate your fixed-rate mortgage payment (denoted as "M" for mortgage) each month for a property in 94558, California:

Mortgage Payment Formula

Where:

  • P = Principal loan amount
  • r = Monthly interest rate (annual rate divided by 12)
  • n = Total number of payments (loan term in years multiplied by 12)

Expected Costs for a Mortgage in 94558, California

For instance, if you secure a 30-year loan for $400,000 at a 4.5% interest rate, your monthly principal and interest payment would be approximately $2,027. When you factor in property taxes (around 0.8% annually in Napa County, per the California Tax Foundation), insurance, and potential association fees common in Napa Valley communities, your total monthly cost will be higher. Use our mortgage calculator for California to get a detailed breakdown tailored to your situation in the 94558 zip code.

Why Use Our Mortgage Loan Calculator for Napa, CA?

The mortgage process can be intricate, with variables like interest rates, loan durations, down payments, and local property taxes in Napa County all influencing your monthly obligations. Our mortgage loan calculator simplifies these complexities by offering a clear snapshot of what to anticipate. Here are key benefits of using our tool for properties in the 94558 area:

  • Estimate Monthly Payments: Enter your loan amount, interest rate, and term to see potential monthly costs for a home in Napa.
  • Compare Loan Scenarios: Experiment with different options, such as a 15-year versus a 30-year mortgage, to find what suits your budget.
  • Account for Additional Expenses: Include property taxes, insurance, and PMI specific to Napa County for a realistic estimate.
  • Explore Refinancing Savings: Determine how refinancing at a lower rate or adjusted term could reduce your costs over time.

Our calculator leverages real-time market data to ensure accurate figures, helping residents of the 94558 zip code make informed decisions about refinancing in California.

Home Buying in Napa, CA (94558 Zip Code)

The 94558 zip code, covering parts of Napa in Napa Valley, California, is a sought-after location for home buyers due to its picturesque landscapes, renowned wine country, and vibrant community. Here's why this area stands out for prospective homeowners:

  • Scenic Beauty and Lifestyle: Napa Valley is synonymous with rolling vineyards, gourmet dining, and a relaxed yet upscale lifestyle. The 94558 area offers proximity to downtown Napa and access to world-class wineries, making it a dream location for many.
  • Real Estate Market: According to data from the California Association of Realtors, the median home price in Napa County as of 2023 hovers around $850,000, reflecting the premium nature of this region. However, diverse property options range from charming bungalows to luxury estates, catering to various budgets.
  • Economic Opportunities: Napa's economy thrives on tourism, hospitality, and agriculture, providing stable job prospects for residents. The area also benefits from its proximity to the San Francisco Bay Area for commuters.

Using our loan calculator, you can input local property values and current interest rates to determine affordability in the 94558 zip code. For personalized assistance, explore our purchase loans page or connect with one of our seasoned loan officers.

Refinancing Your Mortgage in 94558, California

Refinancing offers an opportunity to lower monthly payments, adjust loan terms, or tap into home equity for residents of Napa. With interest rates subject to change, now could be an ideal time to evaluate your options. Our mortgage calculator lets you compare current loan details with potential new terms to identify savings. Here are reasons to consider refinancing in the 94558 area:

  • Reduced Interest Rates: If rates have decreased since your original mortgage, refinancing could save significant amounts over the loan's lifespan. As of late 2023, Freddie Mac reports average 30-year fixed rates around 6.5%, depending on credit and market conditions.
  • Adjusted Loan Terms: Switch to a shorter term like 15 years to pay off your mortgage faster, or extend to reduce monthly payments.
  • Cash-Out Refinance: Use your home's equity for renovations, debt consolidation, or other needs, especially valuable in a high-value market like Napa Valley.

For tailored refinancing solutions in the 94558 zip code, visit our refinance loans page to learn how Summit Lending can help you save.

Using Our Mortgage Loan Calculator for Napa Properties

Our intuitive calculator is built for quick and accurate estimates specific to the 94558 area. Follow these steps to begin:

  1. Input Loan Amount: Enter the amount you intend to borrow for a home purchase or the remaining balance for refinancing in Napa.
  2. Choose Loan Term: Select from popular terms such as 15, 20, or 30 years.
  3. Enter Interest Rate: Use the provided default rate based on current data or input a specific rate if quoted.
  4. Add Extra Costs: Include estimates for property taxes, insurance, and PMI, which vary in Napa County.
  5. Review Results: See your estimated monthly payment, total interest over the term, and a detailed amortization schedule.

While our calculator offers a solid starting point, every mortgage situation in Napa Valley is unique. For a customized quote or to discuss loan programs, reach out to us at 385-200-1470 or email [email protected].

Why Partner with Summit Lending in 94558, California?

With over five decades of combined expertise, Summit Lending is dedicated to helping clients in California, including the 94558 zip code, realize their homeownership aspirations. Here's what distinguishes us:

Located at 305 E Main Street Suite 202, Tremonton, UT, we're just a call or email away. Learn more about our mission on our about page.

Understanding Mortgage Factors in Napa County (94558)

Mortgage costs and requirements can differ based on location. Here are specific considerations for the 94558 zip code in Napa, California:

  • Property Taxes: Napa County property taxes average about 0.8% of home value annually, per the California Tax Foundation. This is moderate compared to other California regions but impacts monthly payments.
  • Home Appreciation: Napa Valley's real estate market often sees strong appreciation due to high demand and limited inventory, potentially requiring larger down payments or affecting refinancing equity.
  • Insurance Costs: Homeowner's insurance may be higher in areas prone to wildfires, a consideration in parts of Napa County. PMI may also apply for loans with smaller down payments.

Our calculator helps factor in these local costs, but for a thorough analysis, consult our loan officers for insights specific to the 94558 area.

Additional Considerations for Home Buyers in 94558, California

Buying a home in Napa Valley, particularly in the 94558 zip code, comes with unique opportunities and challenges. The region's reputation as a premier wine-producing area means properties often carry a premium, but they also offer potential for strong investment returns. According to Zillow data for 2023, home values in Napa have increased by approximately 5% year-over-year, reflecting steady demand despite broader market fluctuations. For first-time buyers, this can mean navigating a competitive market, but programs and assistance are available through Summit Lending to ease the process.

Additionally, the lifestyle in Napa is a significant draw. Residents enjoy access to top-rated schools, cultural events like the Napa Valley Film Festival, and outdoor activities along the Napa River or in nearby state parks. However, potential buyers should also consider factors like commute times if working in the Bay Area, as well as seasonal tourism impacts on local infrastructure. Our team at Summit Lending can connect you with resources to understand these dynamics fully, ensuring your home purchase aligns with both financial and lifestyle goals.

For those considering refinancing, the high property values in 94558 can be a significant advantage. Many homeowners in Napa have built substantial equity, which can be accessed through a cash-out refinance for home improvements or other financial needs. Our blog offers further insights into maximizing the benefits of refinancing in high-value markets like Napa Valley.

Take the Next Step with Summit Lending in Napa, CA

Ready to transform your mortgage calculations into actionable steps? Whether you're purchasing a home or refinancing in the 94558 zip code, Summit Lending is here to support you. Begin with our mortgage loan calculator, then contact us for a personalized consultation. Reach us at 385-200-1470, email [email protected], or visit our office in Tremonton, UT. You can also upload necessary documents securely at this link to start your loan application process.

Don't let uncertainty delay your homeownership or financial objectives in Napa Valley. With Summit Lending as your trusted partner, you're steps away from securing the perfect mortgage solution. Start exploring your options today and move closer to your dream home in the 94558 area!

Disclaimer: Results from our mortgage loan calculator are estimates based on provided information and current market conditions. Actual loan terms, rates, and payments may differ. For precise quotes and loan approval, contact Summit Lending directly.

Average Housing Price$800,000
Average home prices in the 94558 area stand at about $800,000, which is higher than the state average, making it a competitive market for buyers and refinancers, according to SF Chronicle and Redfin housing trends for Napa County in 2025.
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Homes for Sale45
There are currently around 45 homes listed for sale in 94558, showing moderate inventory in this desirable Napa location, which can impact buying timelines and refinancing opportunities, sourced from Redfin's downloadable market data as of October 2025.
Downloadable Housing Market Data Image
Median Days on Market25 days
Homes in 94558 typically sell in about 25 days, faster than the national average, indicating a hot seller's market that favors quick home purchases and strategic refinancing, per FRED and California housing inventory stats updated July 2025.
Housing Inventory: Median Days on Market in California Image

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Mandi Turner
Michael Evenhuis
Brodie Calder
Summit Lending

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