822 Keystone Ave is a 910 square foot house on a 7,216 square foot lot with 2 bedrooms and 1 bathroom. - it last sold on October 19, 1995 for $55,000. Based on Redfin's Altamonte Springs data, we estimate the home's value is $242,446.
Single-familyProperty Type
1960Year Built
7,216 sq ftLot Size
$266Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$242,446
$187K since sold in October 1995$2,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 30.1% lower than the average sale price ($347K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
R-1A
Single-Family Dwelling District
These districts comprise certain lands, water, and structures having a low density of development; they are single-family residential in character and have additional open space where it is desirable and likely that such similar development will occur and continue. Uses are limited primarily to single-family dwellings and such nonresidential uses as are intended to provide service to immediate and adjacent uses.
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Bathroom Information
# of Full Baths: 1
# of Bathroom Fixtures: 3
Heating & Cooling
Air Conditioning Type: Package
Exterior
Exterior Information
Floor Construction Type: Concrete
Foundation Type: Continuous Footing
Construction Type: Masonry
Exterior Wall: Concrete Block
Roof Covering Type: Composition Shingle
Roof Shape Type: Composition Shingle
Building Improvement Type: Single Family
Property Information
Subdivision Name: OLMSTEAD & MILLER SUB AMD
Living Sq. Ft: 910
Adjusted Gross Sq. Ft: 1,307
Ground Floor Sq. Ft: 910
Building Sq. Ft: 1,307
# of Stories: 1
Legal Description: W 12 FT OF LOT 3 + LOT 4 (LESS W 8 FT) BLK D AMENDED PLAT OLMSTEAD + MILLER SUBD PB 5 PG 80
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,216
Legal Lot Number: 3
Legal Block Number: D
Municipality Name: ALTAMONTE
Acres: 0.1657
Depth Footage: 134
Front Footage: 54
Zoning Code: R-1A
State Use Description: SINGLE FAMILY
Utility Information
Electricity / Wiring Type: Average Wiring
Financial
Assessor Information
Assessment Year: 2025
Tax District County: ALTAMONTE
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 910
Stories: 1.0
Lot Size: 7,216 square feet
Style: Single Family Residential
Year Built: 1960
Year Renovated: 1990
County: Seminole County
APN: 2421295020D000030
Home facts updated by county records on Aug 3, 2026
Around this home
Schools
Lake Orienta Elementary School
Public PreK-5 • Assigned • 0.6mi
3/10
Milwee Middle School
Public 6-8 • Assigned • 2.2mi
6/10
Lyman High School
Public PreK-12 • Assigned • 2.7mi
6/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
8/10 Heat Factor
7 days above 108° expected this year, 22 days in 30 years
9/10 Wind Factor
99% chance of strong winds in next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 1 days in 30 years
Provided by First Street
Historical weather
Altamonte Springs, FL • 32701
Average low and high temperatures (°F)
68
46
75
53
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64
91
72
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93
76
92
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90
74
83
67
79
58
74
53
Jan
Feb
Mar
Apr
May
Jun
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Aug
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Sun exposure
In this area, properties receive around 8.6 hours in
June and 6.7 hours in December, placing it above the
U.S. average for solar exposure.
8.6 hrs
6.7 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$231,000 – $279,000
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