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Rare CL-1 opportunity in the heart of St. Augustine! Located on Old Mission Avenue near the iconic Great Cross and just minutes from the historic district, this property offers an exceptional combination of location, visibility, and zoning flexibility. Currently operating as a professional law office, the property is zoned CL-1, which allows for a wide range of permitted uses including professional and business offices, retail and service establishments, single-family residential, multi-family residential, tourist homes/bed and breakfasts, and more. The zoning also creates an exciting opportunity for buyers considering conversion to a short-term vacation rental, with nightly rentals permitted in this zoning district subject to City registration, inspection, and applicable requirements. For an investor, entrepreneur, or owner-user, the possibilities are compelling. Continue using the property as professional office space, explore conversion to a downtown residence or vacation rental, create a live/work environment, or pursue a boutique commercial or hospitality concept. The location makes the opportunity even more unique. Situated near the entrance to historic St. Augustine, the property offers excellent visibility and convenient access to the city's restaurants, shops, galleries, museums, attractions, Flagler College, and waterfront. Highlights include: • CL-1 zoning with commercial and residential uses • Nightly short-term rental potential, subject to City requirements • Currently operating as a professional office • Single-family and multi-family residential uses permitted within CL-1 zoning • Tourist home/bed and breakfast use permitted within CL-1 zoning • Excellent visibility near historic downtown St. Augustine • Convenient access to restaurants, shopping, attractions, and the waterfront • Potential opportunity for an investor, 1031 exchange buyer, business owner, or owner-occupant Properties offering this combination of downtown proximity and flexible zoning are difficult to replicate. Whether the vision is a professional office, vacation rental, downtown residence, boutique hospitality concept, or long-term investment, 19 Old Mission Avenue offers multiple paths for its next owner.

Highlights

  • Residential
  • Single Family Residence
  • Built in 1900
  • 0.17 Acre Lot
  • 172 days on Market

  • Bedrooms
    3
  • Bathrooms
    1
  • Year Built
    1900
  • Stories
    2.0
  • Architectural Style
    Cottage, Historic
  • Construction Materials
    Frame
  • Living Area
    1583.0
  • Interior Features
    Ceiling Fan(s)
  • Flooring
    Vinyl, Carpet, Wood
  • Cooling
    Central Air
  • Heating
    Electric, Central
  • Basement
    Crawl Space

  • Acres
    0.17
  • Water
    Public


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Frequently Asked Questions

How do I schedule a tour of 19 Mission Ave?

We can make that happen quickly. Click Tour This Home and we'll connect you directly with our vetted local partner to schedule your visit to 19 Mission Ave.

They know residentials in the area well and can give you the guidance you need to buy with confidence.

How do I get more information about 19 Mission Ave?

Click Ask a Question to talk with our team. You already know it is a 3 bed, 1 bath, listed for $749,000. We can talk through recent upgrades, potential seller motivation, how this single family residence compares to others in Saint Augustine, and can even get you in to see the property quickly.

How do I get a virtual tour of 19 Mission Ave?

Yes! A virtual tour is available for 19 Mission Ave. Click here to view the full walkthrough and explore every room at your own pace. If you would like a guided virtual showing or have questions along the way, we can connect you with our local expert to walk you through it live.

How much is the monthly mortgage payment for 19 Mission Ave?

With a 20% down payment and a 30-year fixed loan at an illustrative 7.25% rate, the ez Mortgage Calculator estimates the monthly payment for 19 Mission Ave at around $4,793. This includes estimated property taxes and insurance.

Want to see how this changes with different down payments or interest rates? Jump to the calculator to run the numbers and fine-tune your plan.

How do I get pre-approved to buy 19 Mission Ave?

Stand out in a competitive market by getting pre-approved today. Our quick and private pre-approval process helps you understand your true buying power—no credit pull required to explore all of your options.

Or, let us connect you with our preferred local lender in Saint Johns County. They will give you all of your available financing options, based on your specific situation and what is available to you.

Can I negotiate the asking price for 19 Mission Ave?

In most cases, yes. Whether 19 Mission Ave is priced competitively or not, your best offer depends on your personal situation, the seller's timeline, and recent activity in Saint Augustine's market. Our preferred local partner will help you craft a strategy—factoring in comparable properties that have sold, timing, and deal structure—to make a smart, strong offer. Click here to ask about negotiation opportunities.

How do I make an offer on 19 Mission Ave?

We can handle that for you. Our preferred local agent specializes in residentials in Saint Augustine and can guide you through every step of the offer process.

You need an expert who is looking out for your best interests. From market valuation to contingencies and timing, they'll help you present a compelling offer that fits your goals. Click Ask a Question to get started today.

What is the price per square foot for this home?

This home is listed at $749,000 with 1,583 sqft of space—that comes out to approximately $473 per square foot.

How long has this property been on the market?

19 Mission Ave was listed on May 22, 2026, which means it's been on the market for 172 days.

Want to keep tabs on it? Click the ♥ to favorite this home and get notified of price drops or changes.

When was this house built?

This home was built in 1900, making it approximately 126 years old.

What is the lot size of this property?

19 Mission Ave sits on a 0.17-acre lot, which is 7,405 square feet.

What schools are assigned to this property?

Based on MLS info, this home is zoned for:

  • Elementary: Ketterlinus
  • Middle: Sebastian
  • High: St. Augustine

Want to see how these schools compare? Check out our Saint Johns County School Guide to see ratings, reviews, and more for the schools in the area.

What are the property taxes for 19 Mission Ave?

The most recent public record shows annual property taxes for 19 Mission Ave were approximately $6,373. This may change with reassessment or exemptions. Our local partner can verify current tax amounts and help you estimate future costs based on your situation.

Is 19 Mission Ave still available for sale?

Yes, this home is still available! Click the ♥ to favorite it so you don't miss any changes—or ask our local expert to schedule a time to see it in person.

Source: ez Home Search, MLS Data

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Listing information provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed by the MLS. The listing broker’s offer of compensation is made only to participants of the MLS where the listing is filed. Copyright 2026, St Augustine and St Johns County BOR. All rights reserved.

Last Updated: November 10, 2026 at 09:23PM | Source: St Augustine and St Johns County BOR | MLS#: 262498

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