San Sebastian Heights Unit 1
Homes for Sale in Altamonte Springs, FL

Community in Altamonte Springs · Seminole County
201 homesBuilt 1970–1979
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Built fromLive Stellar MLS data17 years of closingsFL DOR public recordsUpdated twice daily
Live · San Sebastian Heights Unit 1 Housing Pulse Stellar MLS + public records Analysis by Momentum Realty · $3.5B+ sold · 8,500+ transactions · Top 1% in Florida (RealTrends)
Tempo
1
Sold · last 12 mo
10-yr average: about 2 a year
Ownership and context
56%
Owner-occupied · San Sebastian Heights Unit 1
113 of 201 parcels homesteaded (FL DOR 2025)
44%
Non-owner-occupied · San Sebastian Heights Unit 1
incl. 11% trust or LLC-held · 6% out-of-state
33%
Cash buyers · San Sebastian Heights Unit 1
1 of 3 sales, 12 mo ending June 2024
201
Homes in the community
201 residential parcels (FL DOR 2025)
Track record · 17 years of records
Est. 1970
Community established
homes built 1970-1979, median 1979 (FL DOR 2025)
0
Failed listings · 2025
peaked at 3 in 2007
0.5%/yr
Turnover rate
about 1 of 201 homes trade a year
Jon Brooks, founder of Momentum Realty
Jon's Current Read

San Sebastian Heights Unit 1 is a small, defined pocket of 201 homes built across the 1970s, with the median dating to 1979. At a median of about 1,082 living square feet, these are compact, single-story-era houses, and price here is driven far more by condition and updates than by size or address. A renovated home and an original one can sit worlds apart in value on the same street.

With no median price in this snapshot to anchor to, treat every listing on its own merits: what has been touched, what hasn't, and what the roof and systems look like. Owner-occupancy runs a slim majority at roughly 56%, so turnover exists but the block is not churn-heavy. Sellers should expect condition-conscious buyers; buyers should budget for the updates an older, smaller home implies.

Best for

  • Buyers wanting an established Altamonte Springs address in a small, defined neighborhood
  • Renovation-minded buyers willing to update an older home to build in value
  • Investors comfortable in a market with a meaningful share of non-homestead homes

Probably not for

  • Buyers who need generous square footage or a modern open floor plan
  • Buyers who want turnkey, new construction with no update backlog
  • Buyers unwilling to budget for roof, HVAC, and system updates on a 1970s home

The market around San Sebastian Heights Unit 1

San Sebastian Heights Unit 1 is a small community — 20 recorded sales on file, most recently in 2025 — too few for its own price trend. Here is the market around it.

Across Seminole County, 1,538 homes are active and 629 pending (29% under contract).

Homes here are single family residence.

ZIP and county figures describe the wider market, not San Sebastian Heights Unit 1 specifically. Momentum Research analysis of MLS records.

If we were buying in San Sebastian Heights Unit 1 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 San Sebastian Heights Unit 1.

Best Buy
Buyers who want a compact, established Seminole County home and are comfortable with 1970s-era stock.
Biggest Risk
Older systems and modest square footage mean condition and update costs drive the deal.
Sweet Spot
A renovated home in the 1,082-square-foot range priced honestly to its condition.
Avoid If
You need large square footage or brand-new construction.

A condition-driven 1970s pocket

Every home here was built between 1970 and 1979, and the median living area of 1,082 square feet tells you what to expect: efficient, single-family layouts from that era rather than sprawling floor plans. That uniformity of vintage means the differentiator between two homes is almost always what has been updated — kitchens, baths, roof, HVAC, windows — not the bones.

A homestead share near 56% points to a roughly even mix of long-held owner-occupied homes and rentals or investor-held property. For a buyer, that means the housing stock varies in how it has been maintained; for a seller, it means a well-updated home can stand out clearly against tired inventory. Inspect carefully and price to condition.

The location and the amenities are priced into every listing in San Sebastian Heights Unit 1. 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 201-home neighborhood where value turns on condition rather than location, the read that matters is knowing which updates the market rewards and which it shrugs at. We walk the home with you, separate cosmetic from structural, and price against what has actually closed nearby — not against a headline number.

San Sebastian Heights Unit 1 in 15 seconds.

Best forBuyers who want a compact, established Seminole County home and are comfortable with 1970s-era stock.
Biggest advantageA small, defined enclave where a well-updated home stands out.
Biggest riskOlder systems and modest square footage mean condition and update costs drive the deal.
Sweet spotA renovated home in the 1,082-square-foot range priced honestly to its condition.
Avoid ifYou need large square footage or brand-new construction.

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 San Sebastian Heights Unit 1 sales matched to your home.

What is your San Sebastian Heights Unit 1 home worth?

Get a no-obligation home value based on real comparable sales in San Sebastian Heights Unit 1, not an automated guess. Tell us about your home and we will personally prepare your numbers and a pricing strategy. No obligation, no spam.

See homes for sale in San Sebastian Heights Unit 1 on the map →

Real comps, not an automated estimate.

Frequently Asked Questions

How many homes are in San Sebastian Heights Unit 1?
The Florida DOR 2025 assessment roll shows 201 homes in San Sebastian Heights Unit 1 (public records).
What share of San Sebastian Heights Unit 1 is owner-occupied?
56% of San Sebastian Heights Unit 1 parcels carry a homestead exemption on the 2025 Florida DOR roll, the owner-occupancy proxy in public records.
When were the homes in San Sebastian Heights Unit 1 built?
Homes in San Sebastian Heights Unit 1 were built between 1970 and 1979, with a median year built of 1979 (FL DOR 2025 roll).
Do cash buyers compete in San Sebastian Heights Unit 1?
Cash buyers took 33% of San Sebastian Heights Unit 1 sales in the 12 months ending June 2024 (1 of 3 closings, Stellar MLS).
Who is the best real estate agent for San Sebastian Heights Unit 1?
The best agent for San Sebastian Heights Unit 1 is one who actively works Altamonte Springs 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 San Sebastian Heights Unit 1.
How do I find a top Altamonte Springs real estate agent who knows San Sebastian Heights Unit 1?
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 San Sebastian Heights Unit 1 and the wider Altamonte Springs area.
Can Momentum Realty connect me with an agent for San Sebastian Heights Unit 1?
Yes. Use the form on this page and we'll introduce you to a local specialist who can guide your San Sebastian Heights Unit 1 purchase or sale - no call center and no pressure.
Buyers wanting an established Altamonte Springs address in a small, defined neighborhoodExcellent fit
Renovation-minded buyers willing to update an older home to build in valueExcellent fit
Investors comfortable in a market with a meaningful share of non-homestead homesExcellent fit
Buyers who need generous square footage or a modern open floor planProbably not
Buyers who want turnkey, new construction with no update backlogProbably not
Buyers unwilling to budget for roof, HVAC, and system updates on a 1970s homeProbably not

Data sources & freshness

Housing stock & ownershipFlorida DOR 2025 assessment roll (street-list match (4 streets, ZIP 32714))
Under-contract sharesStellar MLS records, as of 2026-07-12
Historical depthClosed-sale records back to 2009 (27 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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