Resources &
Tools
Making the biggest financial decision of your life should never be a guessing game. Our guides, calculators, and educational resources give you the knowledge to buy a home or refinance with confidence. Browse by topic below or jump straight to our mortgage calculator.
Last updated: March 2026
Comprehensive
Mortgage Guides
Whether you are a first-time buyer learning the basics or an experienced homeowner looking to refinance, our in-depth guides walk you through every step. Written by our team of experts including CEO Peter Girgis (NMLS# 381600), these resources reflect real-world experience closing hundreds of loans in the Santa Clarita Valley and beyond.
Home Buyers Guide
Our flagship 10-step guide covers everything from assessing your finances and getting pre-approved to making an offer and closing the deal. The most comprehensive buyer resource available.
Read the GuideRefinance Guide
Learn when refinancing makes financial sense, how to calculate your break-even point, and what to expect during the process. Covers rate-and-term, cash-out, and streamline refinances.
Read the GuideFirst-Time Buyers
Buying your first home? This guide simplifies the journey with tips on down payment assistance, FHA loan options, credit preparation, and common first-time buyer mistakes to avoid.
Get StartedCalculators &
Interactive Tools
Crunch the numbers before you commit. Our tools help you estimate payments, compare loan options, track rate trends, and determine how much home you can afford.
Payment Calculator
Calculate your monthly PITI payment with interactive sliders. See a full amortization schedule and total interest paid.
Calculate NowAffordability Calculator
Find out how much home you can afford based on your income, debts, and down payment using DTI guidelines.
Check AffordabilityRent vs Buy Calculator
Compare the 5-year and 10-year costs of renting versus buying. See which option builds more wealth over time.
Compare NowAlso: Quick Quote Tool • Rate Trends • Home Valuation • How Mortgages Work
Learn About
Your Mortgage
The more you understand, the better decisions you make. Our educational resources cover everything from closing costs and required documentation to understanding why working with a mortgage broker can save you thousands.
Closing Costs Explained
Understand every fee involved in closing your mortgage — from lender fees and title insurance to escrow, appraisal, and prepaid items. No surprises at the closing table.
Learn MoreDocuments Required
Our complete checklist of everything you need for a purchase or refinance application. Income, assets, identification, and property documents — be prepared before you apply.
View ChecklistPre-Approval Guide
Learn how pre-approval works, why it matters in competitive markets like Santa Clarita, and how to strengthen your application. A pre-approval letter makes your offer stand out.
Get Pre-ApprovedWhy a Mortgage Broker?
Discover why working with an independent broker like Theos Financial can save you thousands versus going to a bank. Access to 200+ lenders means we find the best rate — not just one lender's rate.
Learn WhyMortgage Glossary
APR, DTI, LTV, PMI — the mortgage industry is full of acronyms and jargon. Our glossary defines every term you will encounter during the buying or refinancing process.
Browse TermsFrequently Asked Questions
Quick answers to the most common mortgage questions. From "How much can I borrow?" to "What credit score do I need?" — find the answers you need in minutes.
View FAQTestimonials &
Community Guides
Hear from real clients who have worked with Theos Financial. Our testimonials page features stories from homebuyers and refinancers throughout the Santa Clarita Valley — from Valencia to Saugus and Canyon Country. Their experiences speak to the personalized service and expertise our team delivers.
If you are considering a move to the area, explore our community hub for neighborhood profiles, school information, and real estate market insights. Learn what makes each corner of the Santa Clarita Valley unique and find the perfect neighborhood for your family. And when you are ready, our sister company Theos Realty can help you find your dream home.
Latest
Articles
In-depth articles from CEO Peter Girgis covering home buying tips, refinancing strategies, credit guidance, and local market insights for the Santa Clarita Valley.
10 Tips for Buying Your First Home in 2026
Essential advice on budgeting, pre-approval, FHA loans, inspections, closing costs, and more for first-time buyers.
Read ArticleIs Refinancing Worth It?
How to calculate your break-even point, when to refinance, types of refinance including cash-out, and the current rate environment.
Read ArticleHow Your Credit Score Affects Your Mortgage Rate
FICO ranges, rate tiers, FHA vs conventional requirements, and proven credit improvement strategies.
Read ArticleSanta Clarita Housing Market 2026
Local market trends, median prices in Valencia, Saugus, and Canyon Country, inventory levels, and buyer tips.
Read ArticleSelf-Employed Mortgage Guide
Bank statement loans, 1099 programs, NON-QM options, and documentation tips for self-employed borrowers.
Read ArticleStill Have
Questions?
Our team is here to help. Whether you need help understanding your options or want personalized guidance, reach out to Peter Girgis and the Theos Financial team. Call 661-812-3950, email peter@theosfinancial.com, or visit our Valencia office.