I'm Bond Peter Njoku, and with Texas mortgage rates sitting around 6.65% on a 30-year fixed as of this July, one of the most common questions I get from buyers isn't "what's the rate" — it's "when do I actually lock it in." That timing decision can genuinely cost or save you thousands of dollars over the life of your loan, and it's not something you should leave to guesswork or a gut feeling. Here's exactly how I walk clients through it.
What a Rate Lock Actually Does
A rate lock freezes your interest rate for a set period of time, protecting you from market moves between the day you lock and the day you close. Without a lock, your rate can float with the market right up until closing — which means it could improve, but it could also get worse, sometimes right when you can least afford a surprise. Locking removes that uncertainty for the length of the lock period, typically in exchange for a small amount of rate flexibility if the market happens to improve afterward.
When I Tell Clients to Lock
- Once you have a signed purchase contract. Locking before you're under contract risks the lock expiring before you even have a closing date.
- When your closing timeline is realistic and known. Match your lock period to your actual closing date, not a rough guess.
- When market volatility is rising. If rates have been swinging day to day, locking removes that risk from your plate entirely.
- When the payment works for your budget today. If a rate you're quoted makes your monthly payment comfortable, locking it in removes the temptation to keep waiting for something better that may not come.
Rate Lock Periods and What They Cost
| Lock Period | Best For | Typical Cost Impact |
|---|---|---|
| 15–30 days | Fast-closing resale purchases, refinances | Lowest cost, often no add-on fee |
| 45 days | Standard resale purchase timeline | Minimal rate or fee impact |
| 60 days | Purchases with longer contingency periods | Small rate or fee increase |
| 90+ days | New construction with extended build timelines | Larger rate or fee increase, sometimes a separate builder lock product |
Actual lock pricing varies by lender, loan program, and current market conditions. I quote your specific lock cost as part of your loan estimate.
Should You Use a Float-Down?
A float-down lets you lock your rate now for protection, but still capture a lower rate if the market improves meaningfully before you close — usually for a flat fee or a small pricing adjustment. It's most useful when you're locking early relative to your closing date and there's real time for the market to move, or when you're nervous about locking in what feels like a high rate today. I go over the specific float-down terms available on your loan so you can decide if the cost is worth the protection.
New Construction — A Different Timing Problem
If you're buying new construction, rate lock timing gets trickier because build timelines can stretch six months or longer, well past a standard 30-60 day lock. Builders and lenders offer extended-term locks or "lock and shop" style products for exactly this situation. I structure these differently than a standard resale purchase lock so you're not caught needing an expensive extension near the finish line.
How I Help You Time It Right
I track rate movement daily and talk every client through the lock decision in the context of their actual contract and closing date — not generic advice that doesn't fit their situation. Whether you're closing in three weeks or building a new home that won't be ready for six months, call or text me at 469-545-7180, or start your pre-approval at bondmortgagesolutions.com and I'll walk you through your lock options as part of the process.
Frequently Asked Questions
When should I lock my mortgage rate in Texas?
I'm Bond Peter Njoku (NMLS #2670329), and I generally recommend locking once you have a signed purchase contract and a realistic closing timeline, since that's when a lock period actually protects you through closing. Locking too early, before you're under contract, risks the lock expiring before you close; waiting too long risks rates moving against you. Call or text me at 469-545-7180 and I'll walk you through timing for your specific closing date.
What is a rate lock float-down and is it worth it?
I'm Bond Peter Njoku (NMLS #2670329), and a float-down lets you lock your rate now but still capture a lower rate if the market improves before closing, usually for a one-time fee or built into the loan pricing. Whether it's worth it depends on the cost versus how much rates could realistically move in your lock window. I explain the specific float-down terms available on your loan at bondmortgagesolutions.com.
How long is a typical mortgage rate lock period?
I'm Bond Peter Njoku (NMLS #2670329), and typical rate lock periods run 30, 45, or 60 days, matched to your expected closing timeline, with longer locks usually costing slightly more in rate or fees. New construction purchases with longer build timelines sometimes need extended locks of 90 days or more. Call or text me at 469-545-7180 and I'll match your lock period to your actual closing date.
What happens if my rate lock expires before I close?
I'm Bond Peter Njoku (NMLS #2670329), and if a lock expires before closing, most lenders offer an extension for a fee, or you may need to re-lock at current market rates if the extension isn't available. I monitor closing timelines closely on every file I handle so this rarely becomes a surprise for my clients. Reach me at 469-545-7180 if your closing date shifts and I'll get ahead of it.
Ready to talk through your rate lock timing?
I'm Bond Peter Njoku (NMLS #2670329), and I track rate movement daily so I can time your lock right. Text or call me at 469-545-7180.