Deer Run Unit 12A
Homes for Sale in Casselberry, FL

Community in Casselberry · Seminole County
162 homesBuilt 1984–1991
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Built fromLive Stellar MLS data20 years of closingsFL DOR public recordsUpdated twice daily
Live · Deer Run Unit 12A Housing Pulse Stellar MLS + public records Analysis by Momentum Realty · $3.5B+ sold · 8,500+ transactions · Top 1% in Florida (RealTrends)
Ownership and context
77%
Owner-occupied · Deer Run Unit 12A
125 of 162 parcels homesteaded (FL DOR 2025)
23%
Non-owner-occupied · Deer Run Unit 12A
incl. 13% trust or LLC-held · 6% out-of-state
67%
Cash buyers · Deer Run Unit 12A
2 of 3 sales, 12 mo ending June 2020
162
Homes in the community
162 residential parcels (FL DOR 2025)
Track record · 20 years of records
Est. 1984
Community established
homes built 1984-1991, median 1986 (FL DOR 2025)
0
Failed listings · 2013
peaked at 3 in 2006
Jon Brooks, founder of Momentum Realty
Jon's Current Read

Deer Run Unit 12A is a compact, built-out pocket of 162 homes in Casselberry, all delivered in a tight window from 1984 to 1991, with the median home dating to 1986. When housing stock is this uniform in age and size — a median of about 1,628 living square feet — price is driven less by which floor plan you buy and more by condition. Updated kitchens, roofs, HVAC, and finishes are what separate one closing from the next, so the spread between a renovated home and a dated one can be wide.

There were no closings in the current window, so this is a thin-data moment rather than a directional one. That cuts both ways: sellers can't lean on a fresh comp to justify aggressive pricing, and buyers can't point to recent softness to push back. Pricing here should be built from the ground up on condition and comparable stock, not from a recent trend line that doesn't exist. Expect to work harder on the comps.

The 60-Second Overview

This is a fully established, single-decade Casselberry enclave in Seminole County where roughly 77% of homes carry a homestead exemption, pointing to a stable, owner-occupied core rather than a churn of rentals.

Pre-construction details are compiled from public records, builder announcements and builder listings, and are subject to change without notice; figures are deemed reliable but not guaranteed. Momentum Research figures are our own analysis. This page describes homes, pricing and community attributes, not residents.

Best for

  • Primary-residence buyers wanting a stable, established Seminole County neighborhood
  • Buyers comfortable budgeting for updates on a 1980s home and pricing accordingly
  • Long-hold owners who value an owner-occupied core over rental churn

Probably not for

  • Buyers who need substantially more than roughly 1,628 square feet
  • Investors chasing high turnover and a deep pool of active listings
  • Buyers who want new construction or a wide choice of floor plans

The market around Deer Run Unit 12A

Deer Run Unit 12A is a small community — 11 recorded sales on file, most recently in 2013 — 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 Deer Run Unit 12A specifically. Momentum Research analysis of MLS records.

If we were buying in Deer Run Unit 12A 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 Deer Run Unit 12A.

Best Buy
Buyers who want a settled, built-out Casselberry address with predictable home sizes.
Biggest Risk
No recent closings means pricing must be built from condition and comps, not a live trend.
Sweet Spot
A well-updated home near the ~1,628-square-foot median that has already handled roof and systems.
Avoid If
You need square-footage variety or a range of floor plans within one community.

A built-out 1980s pocket where condition is the whole story

With every home built between 1984 and 1991 and a median living area near 1,628 square feet, Deer Run Unit 12A offers little of the size variety you'd find in a larger, multi-phase community. What varies is upkeep. Homes of this vintage are at the age where roofs, systems, and original kitchens and baths are either already addressed or still waiting — and that gap is where value is made or lost.

A homestead share of about 77% suggests most of these homes are held as primary residences, which tends to mean stock that turns over slowly and is generally maintained rather than run as investment inventory. For a buyer, that can mean fewer listings at any given time; for a seller, it means your competition is limited but discerning.

The location and the amenities are priced into every listing in Deer Run Unit 12A. 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 community with no recent closings and near-uniform floor plans, the pricing conversation lives entirely in condition and comparable stock — exactly the kind of analysis we do before we quote a number. We'll walk the home against what its systems and finishes actually justify, not a generic per-square-foot figure, so buyers don't overpay for deferred maintenance and sellers don't leave money on updates they've already made.

Deer Run Unit 12A in 15 seconds.

Best forBuyers who want a settled, built-out Casselberry address with predictable home sizes.
Biggest advantageA high owner-occupied share and uniform 1980s stock make condition easy to read and compare.
Biggest riskNo recent closings means pricing must be built from condition and comps, not a live trend.
Sweet spotA well-updated home near the ~1,628-square-foot median that has already handled roof and systems.
Avoid ifYou need square-footage variety or a range of floor plans within one community.

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 Deer Run Unit 12A sales matched to your home.

What is your Deer Run Unit 12A home worth?

Get a no-obligation home value based on real comparable sales in Deer Run Unit 12A, 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 Deer Run Unit 12A on the map →

Real comps, not an automated estimate.

Frequently Asked Questions

How many homes are in Deer Run Unit 12A?
The Florida DOR 2025 assessment roll shows 162 homes in Deer Run Unit 12A (public records).
What share of Deer Run Unit 12A is owner-occupied?
77% of Deer Run Unit 12A parcels carry a homestead exemption on the 2025 Florida DOR roll, the owner-occupancy proxy in public records.
When were the homes in Deer Run Unit 12A built?
Homes in Deer Run Unit 12A were built between 1984 and 1991, with a median year built of 1986.0 (FL DOR 2025 roll).
Do cash buyers compete in Deer Run Unit 12A?
Cash buyers took 67% of Deer Run Unit 12A sales in the 12 months ending June 2020 (2 of 3 closings, Stellar MLS).
Who is the best real estate agent for Deer Run Unit 12A?
The best agent for Deer Run Unit 12A is one who actively works Casselberry 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 Deer Run Unit 12A.
How do I find a top Casselberry real estate agent who knows Deer Run Unit 12A?
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 Deer Run Unit 12A and the wider Casselberry area.
Can Momentum Realty connect me with an agent for Deer Run Unit 12A?
Yes. Use the form on this page and we'll introduce you to a local specialist who can guide your Deer Run Unit 12A purchase or sale - no call center and no pressure.
Primary-residence buyers wanting a stable, established Seminole County neighborhoodExcellent fit
Buyers comfortable budgeting for updates on a 1980s home and pricing accordinglyExcellent fit
Long-hold owners who value an owner-occupied core over rental churnExcellent fit
Buyers who need substantially more than roughly 1,628 square feetProbably not
Investors chasing high turnover and a deep pool of active listingsProbably not
Buyers who want new construction or a wide choice of floor plansProbably not

Data sources & freshness

Housing stock & ownershipFlorida DOR 2025 assessment roll (street-list match (4 streets, ZIP 32707))
Under-contract sharesStellar MLS records, as of 2026-07-12
Historical depthClosed-sale records back to 2006 (19 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.

Own a home here?

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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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Thinking of selling in Deer Run Unit 12A? See the Seminole County sell-now-or-wait data, what made 201,552 Florida listings fail in the last 12 months, or compare a cash offer vs. listing. Compiled from MLS records; deemed reliable but not guaranteed.
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