Southside used to be a town.
From 1907 to 1932, South Jacksonville was its own incorporated town on the south bank of the St. Johns River, with a government center on Hendricks Avenue. Jacksonville annexed it on January 1, 1932. According to The Jaxson, the name "San Marco" then came to be applied to most of the old town, while "Southside" spread to a much wider area south and east of the river.
So when someone says "Southside" today, they mean a place that didn't exist when the name started. We couldn't find an official boundary, and there's no single rulebook. That's the first thing to know about buying here.
The second thing is a number. The state sets a 30-year milestone inspection clock for condo buildings. Jacksonville's own ordinance sets 25 years for condo and co-op buildings of three stories or more in the area it covers. We'll show you the exact text below, and who to ask which one applies to a specific building.
New to the city? Start with our guide to living in Jacksonville, then come back.
Where Southside Is (and Isn't)
We couldn't find a City district called "Southside." What the City does have is CPAC District 3 (Southeast), one of the Citizens Planning Advisory Committee areas, which the City describes as bounded by Beach Boulevard on the north, the St. Johns River on the west, the St. Johns County line on the south and the county line and Intracoastal Waterway on the east. That area also takes in Mandarin and San Marco, so it's wider than what most people mean by Southside.
In everyday use, the names you'll hear include Deerwood, Bartram Park, Southside Estates and the area around Southside Boulevard that people call Tinseltown, after the movie theater there. Baymeadows has its own guide: read our Baymeadows guide. We're using names, not boundaries, because we couldn't find an official source for them (CPAC boundaries checked October 2026). If a listing says "Southside," ask for the street address and look it up.
Two neighbors get mistaken for it:
San Marco is the name that, per The Jaxson, came to cover most of the old South Jacksonville town. It has its own rules. Read our San Marco guide.
Mandarin sits across the same map. Read our Mandarin guide.
How It Got Built
The railroad and the town
The Florida East Coast Railway bridge opened in 1890. By 1907 South Jacksonville was incorporated and had a government center on Hendricks Avenue. San Marco came in 1925, when developer Telfair Stockton turned a brickyard into an 80-acre development and the clay pit became Marco Lake.
The land
A large share of the land south of the river was assembled by the Skinner family. R.G. Skinner arrived in 1899 and died in 1905. The Jacksonville Daily Record has described an "estimated 50,000-acre land acquisition." Skinner Brothers Realty dates to 1923. Skinner land and Skinner descendants are tied to:
The site for the University of North Florida, about 500 acres. UNF opened in 1972.
Baker-Skinner Park, which the City bought in January 1994 from descendants of A.C. Skinner Sr. (a purchase, not a gift).
Part of the land under contract in 2000 for St. Johns Town Center. Phase 1 opened in 2005.
Seven Pines, a community at Butler Boulevard and I-295 built by ICI Homes and David Weekley Homes. A Daily Record story says it's named for the seven Skinner brothers.
Deerwood was developed beginning in 1960 around a country club.
The hospital
Mayo Clinic in Florida opened in 1986 on about 400 acres donated by the Davis family, at 4500 San Pablo Road South. A 210-acre North Campus was conveyed in October 2022, which the Daily Record reports brings the campus to 602 acres. In April 2025 Mayo announced a five-floor patient tower expansion. Check Mayo's own newsroom for current status.
The Condo Clock
Condominiums are part of the housing here, and Florida's rules for them have been amended several times since 2022 (chapters 2022-269, 2023-203, 2024-244 and 2025-175). Two separate requirements matter, and they come from different places.
Milestone inspections. Florida's statute, section 553.899(3)(a), requires a milestone inspection for a condominium or cooperative building three habitable stories or more "by December 31 of the year in which the building reaches 30 years of age, based on the date the certificate of occupancy for the building was issued, and every 10 years thereafter." Subsection (3)(b) of the 2026 Florida Statutes adds: "[T]he local enforcement agency may determine that local circumstances, including environmental conditions such as proximity to salt water as defined in s. 379.101, require that a milestone inspection must be performed by December 31 of the year in which the building reaches 25 years of age, based on the date the certificate of occupancy for the building was issued, and every 10 years thereafter."
Jacksonville's ordinance (Ordinance 2022-842-E, passed December 13, 2022) is in Chapter 328 of the Ordinance Code. Section 328.102 reads:
"A condominium association under chapter 718 and a cooperative association under chapter 719, located in Duval County excluding Urban Services Districts 2, 3, 4, and 5, must have a milestone inspection performed for each building that is three stories or more in height by December 31 of the year in which the building reaches 25 years of age, based on the date the certificate of occupancy for the building was issued, and every 10 years thereafter."
The ordinance excludes Urban Services Districts 2, 3, 4 and 5. Our Beaches guide covers the beach cities, and Jacksonville Beach publishes its own milestone page. We can't tell you which rule covers a specific building. Ask the City's Building Inspection Division (904-255-8500) with the address.
We read that text from the enacted ordinance on the City Council's records (as of October 2026). We could not read the current codified version on Municode, so confirm with the Division that nothing has changed before you rely on it. The ordinance also sets first-inspection deadlines for older buildings, so ask about the building's specific date.
Structural integrity reserve studies. Florida Statute 718.112(2)(g)1. (2026) calls for a structural integrity reserve study "at least every 10 years after the condominium's creation" for each building three habitable stories or higher. Read the full paragraph for what it covers.
What to ask for on any condo, before you offer:
The milestone inspection report, if one is due or done, and whether the building has reached its date.
The structural integrity reserve study.
The association's current budget, reserves and any special assessments.
The certificate-of-occupancy date, because the clock runs from it.
Milestone filings go to the City's Building Inspection Division. We're REALTORS®, not engineers or attorneys. An engineer and your attorney should read the documents.
Your Rulebook Is the Community's
Outside the condo question, the Southside doesn't have one set of neighborhood rules. It has community by community rules:
HOAs. Rules, fees and restrictions vary widely. Chapter 720 of the Florida Statutes governs homeowners' associations; we don't interpret it. Read the declaration, the budget and the rules.
CDDs. A Community Development District is, in the words of Chapter 190, "a local unit of special-purpose government." It can appear as a non-ad valorem assessment. Our Jacksonville guide explains debt service versus operations and maintenance. In 2019 the Daily Record reported two proposed Duval districts, Boggy Branch and Ryals Creek, in the southeast quadrant of JTB and I-295. We did not verify any in Baymeadows, Deerwood or Bartram Park, and we did not check every community. Ask the seller or the title company whether the property is in a CDD, and for the annual amount, billing method and remaining term in writing.
Getting Around
JTB (J. Turner Butler Boulevard, SR 202) connects the Southside toward the Beaches. Southside Boulevard is SR 115, Baymeadows Road is SR 152 (more in our Baymeadows guide), Beach Boulevard is SR 212 and Philips Highway is US 1 (SR 5), and I-95 and I-295 cross the area. These route numbers are from FDOT's published traffic report.
Mayo is near JTB and San Pablo Road. Check nflroads.com for what's under construction this month.
JTA's First Coast Flyer Blue Line (Route 107) runs from the LaVilla transportation center through Kings Avenue, the University Transit Hub, Philips Highway and the Avenues Mall. Per JTA's June 2026 schedule, service is about every 20 minutes on weekday daytimes and about every 30 on weekends. Route 8 (effective January 2026) serves Beach and Southside Boulevards, FSCJ South, Tinseltown, St. Johns Town Center and UNF. Check JTA for current schedules.
Drive your actual commute at your actual hour.
Water, Creeks and Flood
Pottsburg Creek drains to the St. Johns River, and Julington Creek is part of the county line to the south. Exposure varies by parcel, and the City says a flood zone and an evacuation zone are "two separate designations." So check both:
FEMA's Flood Map Service Center — msc.fema.gov/portal/home
The City's evacuation zone lookup — maps.coj.net/evsearch/ and jaxready.com
A licensed insurance agent — for a quote on the specific address, early in your inspection period.
Utilities. We couldn't confirm the water, sewer or septic arrangement for specific Southside areas. Ask which utility serves the address, and whether it's sewer or septic, before you rely on a listing.
Parks Worth Knowing
Sawmill Slough Preserve on the UNF campus was designated in May 2006. UNF's trail pages say the trails are open daily from sunrise to sunset. Check UNF for current trail rules before you go.
Baker-Skinner Park is a City park on Powers Avenue.
Where the County Line Is
The Southside runs up against St. Johns County near Bartram Park. Florida Statute 7.16 (2026) describes Julington Creek, then Durbin Creek, as forming the line at its western end, and east of that the line follows surveyed range and township lines. The Daily Record reported in April 2026 that the line runs through a commercial site at Race Track Road and Bartram Park Boulevard. Confirm the county on a parcel map for any address near it. A different county means a different tax roll and different rules. Our St. Johns County guide covers the other side.
Look Here If
You want to be close to Mayo Clinic, UNF, St. Johns Town Center or the JTB corridor, and you want a short commute to any of them.
You're comfortable reading an HOA declaration, a CDD assessment line and a condo's reserve and inspection documents before you offer.
You'd rather choose a community by its documents than by its name.
Deerwood is the name to search if your daily destinations are along Southside Boulevard and JTB.
Bartram Park is the name to search if you want to be near the St. Johns County line. Confirm the county on the parcel.
Condo communities are where to start if you're comparing buildings. Read the milestone and reserve documents first.
Neighboring Options
Mandarin — across the same map, with no historic district and a very different set of questions about septic, wells and docks.
Baymeadows — the neighboring area, covered in its own guide.
San Marco — where the old South Jacksonville name ended up, with its own rules.
The Jacksonville Beaches — three independent cities, and Jacksonville Beach publishes its own milestone page.
Arlington — across the river, with a different set of inspection and insurance questions.
Building new? → Our new construction buyer guide.
Renting First
If you want to live with the roads and the commute before you buy, a lease is a lower-commitment way to learn them. The condo, HOA and CDD questions still get answered by the documents, not the rental.
→ See our property management services
Frequently Asked Questions
Where is the Southside? We couldn't find an official boundary. The City's CPAC District 3 (Southeast), which is wider than most people mean. In everyday use it includes Deerwood, Bartram Park and the area around Southside Boulevard. Confirm any address on a map.
Was the Southside ever its own city? The name moved. South Jacksonville was an incorporated town from 1907 until Jacksonville annexed it on January 1, 1932. According to The Jaxson, "San Marco" came to be applied to most of the old town, and "Southside" spread to a much wider area.
How often does a Southside condo need a milestone inspection? Jacksonville's Ordinance Code section 328.102 sets December 31 of the year a building reaches 25 years of age, based on the certificate-of-occupancy date, and every 10 years after, for condominium and cooperative buildings of three stories or more in the area it covers. It excludes Urban Services Districts 2, 3, 4 and 5. Florida's statute sets 30 years and says a local agency may determine that local circumstances require 25. Ask the City which applies to your building.
Is my building in Jacksonville Beach covered by that? We can't say. Section 328.102 excludes Urban Services Districts 2 through 5, and Jacksonville Beach publishes its own milestone page (see our Beaches guide). Ask the city for your address.
Does this house have a CDD? Ask the seller or title company, and check the tax bill for a non-ad valorem line. Get the annual amount and remaining term in writing.
Is Mayo Clinic on the Southside? It's at 4500 San Pablo Road South, near JTB. It opened in 1986.
Can I walk the trails at UNF? UNF's trail pages list them as open daily from sunrise to sunset. Check UNF for current rules.
Come Look at It With Us
The Southside rewards the buyer who reads the documents: the HOA declaration, the CDD line, and for a condo, the milestone report and reserve study. We'll tell you what to ask for, where to look, and who at the City, the association or the state can answer what we can't.
#ForeverFamilyForeverHome
Still mapping the city? → Read our full guide to living in Jacksonville
The Courtney Team | Coldwell Banker Vanguard Realty | Licensed Real Estate Professionals in the State of Florida. Details in this guide were checked in October 2026. Information in this guide is general and educational in nature and is not a representation about any specific property. Descriptions of the Southside's boundaries, history, condominium milestone inspections and reserve studies, HOAs, community development districts, flood zones and evacuation zones, utilities, roads and transit, and county lines are general explanations that change over time and vary by address — all of them must be independently verified for the specific property and the current year. Nothing here is legal, engineering, tax, or insurance advice; please consult a licensed attorney, engineer, inspector, CPA, or insurance agent, the City of Jacksonville Building Inspection Division and Planning and Development Department, the Duval or St. Johns County Property Appraiser, the applicable association, FDOT, and FEMA as appropriate. Equal Housing Opportunity.
