What to Know Before Buying an Older Home in Coral Gables — The Honest Guide

From someone who owns two homes here · Sandra Alonso · Brown Harris Stevens

Someone left a comment on one of my videos recently that I want to address directly.

They pointed out that Coral Gables is a city full of older properties — many built in the 1920s and 1930s — with aging infrastructure, plumbing issues, and all the complications that come with historic homes.

They were not wrong.

And I think they deserved an honest answer — not a defensive one. Because here is the truth: buying an older home in Coral Gables is one of the most rewarding real estate decisions a South Florida buyer can make. But it requires going in with your eyes open. And that is exactly what this article is about.

I own two homes in Coral Gables. I have worked in this market for 10 years. I have walked through hundreds of properties here — beautiful ones and complicated ones and everything in between. What I am about to share comes from real experience, not a brochure.

First — why people fall in love with older Coral Gables homes

Before we talk about the challenges I want to acknowledge why buyers are drawn to these properties in the first place. Because the reasons are genuinely compelling.

The architecture is extraordinary. Mediterranean Revival, Spanish Colonial, Art Deco — these are not styles you can replicate today at any price point. The craftsmanship, the details, the sheer character of a 1920s Coral Gables home is something that newer construction simply cannot match.

The lots are larger. Older Coral Gables properties often sit on significantly larger lots than anything built in the last thirty years — with mature trees, established landscaping, and a sense of permanence that feels increasingly rare in South Florida.

The location is irreplaceable. Coral Gables streets, the canopy of banyan trees, the proximity to Miracle Mile and the University of Miami and Biscayne Bay — these things do not exist anywhere else and they never will.

The value appreciates consistently. Historic Coral Gables properties have appreciated reliably over decades. Buyers who went in with clear eyes about what they were buying have almost universally been rewarded over time.

So yes — there are real considerations with older Coral Gables homes. But there are also real reasons why sophisticated buyers keep choosing them. The key is knowing exactly what you are getting into.

The honest challenges of buying an older Coral Gables home

1. Plumbing

⚠️ This is the most common issue in older Coral Gables properties and the one that surprises buyers most.

Many homes built before the 1970s in Coral Gables have original cast iron or galvanized steel pipes that are at or past the end of their useful life. Signs of trouble include slow drains, water discoloration, recurring clogs, and low water pressure.

A full plumbing inspection — not just a standard home inspection — is essential for any pre-1970 Coral Gables property. A licensed plumber with a camera scope can show you exactly what is inside those walls before you close.



Repiping a home is a significant expense — typically $8,000 to $15,000 or more depending on the size of the property. But it is a known cost that can be negotiated into the purchase price or factored into your renovation budget. What you do not want is to discover it after closing.

2. Electrical

⚠️ Knob and tube wiring and older electrical panels are common in pre-1950 Coral Gables homes.

Original knob and tube wiring is not just an inconvenience — it is an insurance issue. Many Florida insurers will not write a policy on a home with active knob and tube wiring or a Federal Pacific or Zinsco electrical panel. Getting an electrical inspection from a licensed electrician — separate from your standard home inspection — is non-negotiable for older properties.

Updating electrical can range from $5,000 for a panel replacement to $20,000 or more for a full rewire. Again — a known cost going in is manageable. A surprise after closing is not.

3. Roof

⚠️ Roof age is the single most important factor in Florida homeowners insurance right now.

I have written about this elsewhere but it bears repeating for Coral Gables specifically. Florida insurers are extremely sensitive to roof age right now — many will not write a new policy on a home with a roof over 15 years old, and those that will often charge dramatically higher premiums.

Before making an offer on any Coral Gables property get the roof age verified — not from the listing but from permits. Then get insurance quotes before you close. The carrying cost difference between an older and newer roof can be thousands of dollars per year.

4. Foundation and structure

Coral Gables homes sit on South Florida limestone which is generally stable — but older foundations can have settlement issues, especially in homes that have been through multiple renovation cycles. A structural engineer inspection is worth every penny for any pre-1960 property.

Look for cracks in exterior stucco — particularly diagonal cracks at the corners of windows and doors which can indicate foundation movement. Minor cosmetic cracks are normal. Significant structural cracks are not.

5. Permits and unpermitted work

⚠️ This is arguably the most overlooked issue in older Coral Gables homes.

Decades of additions, renovations, and improvements on older properties have often been done without proper permits — sometimes intentionally, sometimes because permit records from the 1950s and 1960s were inconsistently maintained.

Unpermitted work becomes your problem the moment you close. It can affect your ability to sell the property later, your insurance coverage, and your ability to get permits for your own future work.

Your agent should pull the full permit history for any property you are seriously considering. In Coral Gables this means checking both city of Coral Gables records and Miami-Dade County records — because the jurisdiction changed for some areas over the years.

What to do — your pre-offer checklist for older Coral Gables homes

✅ Get a full home inspection from a licensed inspector with specific experience in older South Florida properties

✅ Add a separate plumbing inspection with camera scope — do not skip this

✅ Add a separate electrical inspection from a licensed electrician

✅ Pull the full permit history before making an offer

✅ Get insurance quotes before you close — not after

✅ Consider a structural engineer inspection for any pre-1960 property

✅ Budget for deferred maintenance — even well maintained older homes have it

✅ Work with an agent who knows this specific market and these specific issues

Why I still believe in older Coral Gables homes

✅ The challenges are real. But so is the reward — for buyers who go in prepared.

Every one of the issues I described above is manageable when you know about it in advance. Plumbing can be repiped. Electrical can be updated. Roofs can be replaced. Permits can be pulled retroactively in many cases.

What you cannot replicate is the architecture. The location. The trees. The history. The character that comes from a home that has been part of a community for nearly a hundred years.

I own two homes in Coral Gables. I went into both purchases knowing exactly what I was buying. And I would make the same decisions again — because the long term value, both financial and personal, has been extraordinary.

The buyers who do best in older Coral Gables properties are not the ones who ignore the challenges. They are the ones who understand them completely, factor them into their offer and their budget, and then make a clear-eyed decision to go forward. Those buyers almost always end up grateful they did.

I am Sandra Alonso with Brown Harris Stevens and I specialize in Coral Gables, Palmetto Bay, Cutler Bay, Pinecrest, and South Miami. If you are thinking about buying an older home in Coral Gables I would love to walk you through exactly what to look for — and what to negotiate for — before you make one of the most important financial decisions of your life.

Reach out anytime at www.homesbysandraalonso.com or call me at 305-613-3376. I respond to every message personally.

Sandra Alonso | Brown Harris Stevens | Coral Gables · Palmetto Bay · Cutler Bay · Pinecrest · South Miami