Thirtieth Ave Sub Extention
Homes for Sale in St Petersburg, FL

Community in St Petersburg · Pinellas County
881 homesBuilt 1916–2024
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Built fromLive Stellar MLS data12 years of closingsFL DOR public recordsUpdated twice daily
Live · Thirtieth Ave Sub Extention Housing Pulse Stellar MLS + public records Analysis by Momentum Realty · $3.5B+ sold · 8,500+ transactions · Top 1% in Florida (RealTrends)
Tempo
2
Sold · last 12 mo
10-yr average: about 2 a year
Ownership and context
72%
Owner-occupied · Thirtieth Ave Sub Extention
632 of 884 parcels homesteaded (FL DOR 2025)
28%
Non-owner-occupied · Thirtieth Ave Sub Extention
incl. 9% trust or LLC-held · 4% out-of-state
33%
Cash buyers · Thirtieth Ave Sub Extention
1 of 3 sales, 12 mo ending June 2026
881
Homes in the community
plus 3 vacant residential lots · 884 residential parcels (FL DOR 2025)
Track record · 12 years of records
Est. 1916
Community established
homes built 1916-2024, median 1955 (FL DOR 2025)
2
Failed listings · 2026
peaked at 3 in 2019
0.2%/yr
Turnover rate
about 2 of 881 homes trade a year
Jon Brooks, founder of Momentum Realty
Jon's Current Read

Price here is driven by condition and lot, not by any uniform product. With a housing stock that runs from 1916 to 2024 and a median build year of 1955, you are buying into a place where two houses on the same street can be worlds apart — one an original mid-century structure, the next a recent rebuild. The median sits around 1,252 square feet, so this is a market of smaller, older homes where what you pay tracks directly to how much work has already been done.

For buyers, that spread is the opportunity: there is room to find value in something dated and add to it, but you have to underwrite each house on its own merits, not a neighborhood average. For sellers, condition is the lever — a thoughtfully updated home stands apart from the median vintage and should be priced and marketed on that difference rather than on square footage alone.

Best for

  • Buyers who want a smaller, established home and can budget for updates on an older structure
  • Owner-occupants planning to hold long term in a mostly owner-held pocket
  • Renovation-minded buyers looking to add value to a dated but well-located home

Probably not for

  • Buyers needing large square footage, since the median home is around 1,252 square feet
  • Anyone wanting move-in-ready, uniform new construction across the board
  • Investors seeking a rental-heavy area, given the high owner-occupancy share

The market around Thirtieth Ave Sub Extention

Thirtieth Ave Sub Extention is a small community — 14 recorded sales on file, most recently in 2026 — too few for its own price trend. Here is the market around it.

Across Pinellas County, 6,909 homes are active and 1,852 pending (21% under contract).

The housing mix here is 98% single family residence, 2% ?.

ZIP and county figures describe the wider market, not Thirtieth Ave Sub Extention specifically. Momentum Research analysis of MLS records.

If we were buying in Thirtieth Ave Sub Extention today, this is the order of operations we would run for our clients.

1

Underwrite the condition first. Price the roof, HVAC, and systems honestly before judging any list price; condition swings value here more than square footage alone.

2

Match the home to real comps. Recent sales of similar condition and lot, not the asking price, tell you what a home is worth.

3

Move deliberately, not desperately. Neither side has a decisive edge, so a well-prepared, fairly-priced offer wins without overpaying.

4

Line up financing and inspection early. A pre-approval and an inspection plan let you act fast and negotiate from evidence.

5

Keep an agent in your corner. The listing agent works for the seller; we represent you and prepare a hand-built valuation before any offer in Thirtieth Ave Sub Extention.

Best Buy
Buyers comfortable evaluating older homes on a case-by-case basis rather than a set product.
Biggest Risk
A wide age range means condition and systems vary sharply from house to house.
Sweet Spot
An updated mid-century home priced on its work rather than its square footage.
Avoid If
You want uniform, newer construction and predictable, matching finishes.

An owner-held, condition-driven pocket

About 71.5% of homes here carry a homestead exemption, which tells you this is predominantly owner-occupied rather than an investor or rental-heavy area. That kind of ownership share tends to mean turnover is measured and homes are held rather than flipped, so inventory can be thin and each listing matters.

The building timeline is the story: a 1916-to-2024 range around a 1955 median means original mid-century homes sit next to teardown-and-rebuild activity. Expect variation in systems, footprints, and finishes block by block. Inspect carefully, budget for age where a home has not been updated, and treat recent construction as a separate segment of the same neighborhood.

The location and the amenities are priced into every listing in Thirtieth Ave Sub Extention. The deal is won or lost on condition, the comps, and the renovation math.

Jon Brooks · Founder, Momentum Realty

Why work with Momentum here

In a market this condition-dependent, the average number tells you almost nothing about the house in front of you. We underwrite each property individually — vintage versus rebuild, deferred maintenance versus done work — so you are pricing to the specific home, not to a neighborhood median that spans more than a century of construction.

Thirtieth Ave Sub Extention in 15 seconds.

Best forBuyers comfortable evaluating older homes on a case-by-case basis rather than a set product.
Biggest advantageA predominantly owner-held community where homes tend to be held rather than churned.
Biggest riskA wide age range means condition and systems vary sharply from house to house.
Sweet spotAn updated mid-century home priced on its work rather than its square footage.
Avoid ifYou want uniform, newer construction and predictable, matching finishes.

HOA, CDD & Fees

In short
  • Mandatory HOA — confirm current dues
  • Any club/amenity membership is billed separately

Confirm the current HOA dues, exactly what they cover, and any CDD bond or special assessment for a specific address before you offer.

The takeaway

Selling here is won on condition and pricing to real comps, not an automated estimate. The right number comes from closed Thirtieth Ave Sub Extention sales matched to your home.

What is your Thirtieth Ave Sub Extention home worth?

Get a no-obligation home value based on real comparable sales in Thirtieth Ave Sub Extention, not an automated guess. Tell us about your home and we will personally prepare your numbers and a pricing strategy. No obligation, no spam.

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Real comps, not an automated estimate.

Frequently Asked Questions

How many homes are in Thirtieth Ave Sub Extention?
The Florida DOR 2025 assessment roll shows 881 homes plus 3 vacant residential lots in Thirtieth Ave Sub Extention (public records).
What share of Thirtieth Ave Sub Extention is owner-occupied?
72% of Thirtieth Ave Sub Extention parcels carry a homestead exemption on the 2025 Florida DOR roll, the owner-occupancy proxy in public records.
When were the homes in Thirtieth Ave Sub Extention built?
Homes in Thirtieth Ave Sub Extention were built between 1916 and 2024, with a median year built of 1955 (FL DOR 2025 roll).
Do cash buyers compete in Thirtieth Ave Sub Extention?
Cash buyers took 33% of Thirtieth Ave Sub Extention sales in the 12 months ending June 2026 (1 of 3 closings, Stellar MLS).
Who is the best real estate agent for Thirtieth Ave Sub Extention?
The best agent for Thirtieth Ave Sub Extention is one who actively works St Petersburg and knows the community's pricing, fees, and current inventory. Tell us what you're looking for in the form on this page and Momentum Realty will match you with a local specialist for Thirtieth Ave Sub Extention.
How do I find a top St Petersburg real estate agent who knows Thirtieth Ave Sub Extention?
Share a few details in the form on this page. Momentum Realty has 280+ agents and more than $3.5B in closed sales, and we'll connect you with one who knows Thirtieth Ave Sub Extention and the wider St Petersburg area.
Can Momentum Realty connect me with an agent for Thirtieth Ave Sub Extention?
Yes. Use the form on this page and we'll introduce you to a local specialist who can guide your Thirtieth Ave Sub Extention purchase or sale - no call center and no pressure.
Buyers who want a smaller, established home and can budget for updates on an older structureExcellent fit
Owner-occupants planning to hold long term in a mostly owner-held pocketExcellent fit
Renovation-minded buyers looking to add value to a dated but well-located homeExcellent fit
Buyers needing large square footage, since the median home is around 1,252 square feetProbably not
Anyone wanting move-in-ready, uniform new construction across the boardProbably not
Investors seeking a rental-heavy area, given the high owner-occupancy shareProbably not

Data sources & freshness

Housing stock & ownershipFlorida DOR 2025 assessment roll (street-list match (4 streets, ZIP 33713))
Under-contract sharesStellar MLS records, as of 2026-07-12
Historical depthClosed-sale records back to 2014 (24 transactions analyzed)

Verify the primary sources yourself: Florida DOR · U.S. Census · FEMA flood maps · Citizens Property Insurance.

Momentum Research figures are our own analysis of Stellar MLS records; MLS data is deemed reliable but not guaranteed. Methodology: how Momentum market scores are computed. Market metrics describe homes for sale and recent sales, not residents.

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The numbers on this page move markets in the aggregate. The number that matters to you is what a buyer pays for your address. Momentum sells for 1.25% above the Stellar MLS member average and 8 days faster, and we’ll price yours against live your area comps.

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