521 Firethorne St is a 1,961 square foot house on a 10,880 square foot lot with 4 bedrooms and 2 bathrooms. Based on Redfin's Brea data, we estimate the home's value is $1,170,593.
Single-familyProperty Type
1962Year Built
10,880 sq ftLot Size
$597Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,170,593
$14K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 7.3% lower than the average sale price ($1.26M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$4,479 (+5.1%)
$227,860 + $139,381
$367,241
2024
$4,261 (+2.9%)
$227,860 + $139,381
$367,241
2023
$4,142 (+1.1%)
$223,392 + $136,649
$360,041
2022
$4,098 (+1.9%)
$219,012 + $133,970
$352,982
2021
$4,021 (+0.7%)
$214,717 + $131,344
$346,061
2020
$3,993 (+2.7%)
$210,507 + $128,769
$339,276
2019
$3,889 (+1.5%)
$208,349 + $127,449
$335,798
2018
$3,829 (+1.9%)
$204,264 + $124,950
$329,214
2017
$3,757 (+2.0%)
$196,332 + $120,099
$316,431
2016
$3,682 (+1.5%)
$196,332 + $120,099
$316,431
2015
$3,629 (+3.0%)
$192,482 + $117,745
$310,227
2014
$3,524 (+0.7%)
$185,877 + $113,706
$299,583
2013
$3,500 (+2.2%)
$185,877 + $113,706
$299,583
2012
$3,425 (+2.8%)
$185,037 + $113,193
$298,230
2011
$3,332 (+1.3%)
$181,409 + $110,974
$292,383
2010
$3,287 (+0.6%)
$177,851 + $108,799
$286,650
2009
$3,267 (+2.7%)
$176,522 + $107,986
$284,508
2008
$3,181
$176,942 + $108,243
$285,185
Tax history for 521 Firethorne St
Year
Property tax
Land + Additions
Assessment*
2025
$4,479 (+5.1%)
$227,860 + $139,381
$367,241
2024
$4,261 (+2.9%)
$227,860 + $139,381
$367,241
2023
$4,142 (+1.1%)
$223,392 + $136,649
$360,041
2022
$4,098 (+1.9%)
$219,012 + $133,970
$352,982
2021
$4,021 (+0.7%)
$214,717 + $131,344
$346,061
2020
$3,993 (+2.7%)
$210,507 + $128,769
$339,276
2019
$3,889 (+1.5%)
$208,349 + $127,449
$335,798
2018
$3,829 (+1.9%)
$204,264 + $124,950
$329,214
2017
$3,757 (+2.0%)
$196,332 + $120,099
$316,431
2016
$3,682 (+1.5%)
$196,332 + $120,099
$316,431
2015
$3,629 (+3.0%)
$192,482 + $117,745
$310,227
2014
$3,524 (+0.7%)
$185,877 + $113,706
$299,583
2013
$3,500 (+2.2%)
$185,877 + $113,706
$299,583
2012
$3,425 (+2.8%)
$185,037 + $113,193
$298,230
2011
$3,332 (+1.3%)
$181,409 + $110,974
$292,383
2010
$3,287 (+0.6%)
$177,851 + $108,799
$286,650
2009
$3,267 (+2.7%)
$176,522 + $107,986
$284,508
2008
$3,181
$176,942 + $108,243
$285,185
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
R-1
Single Family Residential Zone
The R-1 Single Family Residential Zone is established to provide an environment conducive to the development of single family homes with no mixed or incompatible uses.
Permitted uses
Include but are not limited to:
Agriculture
Housing-Single unit
Housing-Multiple units
Housing-Senior
Housing-Other
Office
Park & open space
Property details
Interior
Bathroom Information
# of Full Baths: 2
Exterior
Exterior Information
Building Type: Single Family
Property Information
Living Sq. Ft: 1,961
Building Sq. Ft: 1,961
Legal Description: N-TRACT: 3255 BLOCK: LOT: 13
Parking & Garage Information
Garage/Parking Sq. Ft: 450
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,880
Legal Lot Number: 13
Acres: 0.2498
County Use Description: SINGLE FAM RESIDENCE
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,961
Stories: —
Lot Size: 10,880 square feet
Style: Single Family Residential
Year Built: 1962
Year Renovated: 1962
County: Orange County
APN: 28430121
Home facts updated by county records on Jul 23, 2026
Around this home
Schools
Arovista Elementary School
Public K-6 • Assigned • 0.3mi
6/10
Brea Junior High School
Public 7-8 • Assigned • 1.5mi
8/10
Brea-Olinda High School
Public 9-12 • Assigned • 2.8mi
9/10
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
6/10 Heat Factor
7 days above 96° expected this year, 22 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
5/10 Air Factor
7 unhealthy days expected this year, 9 days in 30 years
Provided by First Street
Historical weather
Brea, CA • 92821
Average low and high temperatures (°F)
71
49
73
51
75
53
74
53
76
58
80
62
82
63
88
66
85
65
80
59
72
52
70
51
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.5 hours in
June and 6.9 hours in December, placing it above the
U.S. average for solar exposure.
9.5 hrs
6.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.11M – $1.35M
Reach more buyers when you sell with Redfin. Save up to $11,706 in fees.3 minutes to get started.