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About this home
Investor Special in the El Sobrante Hills A rare opportunity to unlock the potential of a property in the desirable El Sobrante Hills! Offered for the first time in 70 years, this unique property features a large lot, a 3-bedroom, 1-bathroom main residence, a detached additional structure, and a detached garage, offering exciting possibilities for investors, contractors, and buyers with vision. The main home is being sold as-is and presents an opportunity to renovate, modernize, and add value. Beyond the residence, the detached structure offers potential for an ADU, guest quarters, or future rental income, while the detached garage may present additional possibilities for conversion into living space or a studio, subject to feasibility, permits, and local regulations. With its generous lot, established neighborhood setting, and multiple existing structures, this property offers a compelling opportunity to explore future improvements, maximize the property's potential, and potentially create additional income streams. Whether you're looking for your next investment project, a renovation opportunity, or a property with room to reimagine and expand, the possibilities are worth exploring. First time available in seven decades, don't miss this exceptional opportunity to bring your vision to life in the El Sobrante Hills!
Single-familyProperty Type
1942Year Built
7,492 sq ftLot Size
$491Price/Sq.Ft.
1 car garageParking
Listed by Channing Azzolino•DRE #02115781• Compass
bridgeMLS, Bay East AOR, or Contra Costa AOR #41152623
Nov 9, 2026
Listed
$499,000
$491/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #41147538
Sep 19, 2026
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2026
$1,975 (+5.6%)
$20,559 + $32,972
$53,531
2025
$1,870 (+2.2%)
$20,559 + $32,972
$53,531
2024
$1,830 (+8.5%)
$20,156 + $32,326
$52,482
2023
$1,687 (+2.8%)
$19,761 + $31,693
$51,454
2022
$1,640 (+2.4%)
$19,374 + $31,072
$50,446
2021
$1,602 (+3.9%)
$18,995 + $30,463
$49,458
2020
$1,542 (+0.7%)
$18,623 + $29,866
$48,489
2019
$1,532 (+5.7%)
$18,433 + $29,560
$47,993
2018
$1,449 (+4.9%)
$18,072 + $28,981
$47,053
2017
$1,382 (+5.1%)
$17,371 + $27,856
$45,227
2016
$1,315 (+3.5%)
$17,371 + $27,856
$45,227
2015
$1,270 (+0.2%)
$17,031 + $27,310
$44,341
2014
$1,268 (+3.1%)
$16,448 + $26,374
$42,822
2013
$1,230 (+7.0%)
$16,448 + $26,374
$42,822
2012
$1,149 (+6.9%)
$16,374 + $26,255
$42,629
2011
$1,075 (+4.1%)
$16,053 + $25,741
$41,794
2010
$1,033 (+2.9%)
$15,739 + $25,237
$40,976
2009
$1,004 (+12.9%)
$15,622 + $25,049
$40,671
2008
$889
$15,660 + $25,109
$40,769
Public record
Public record
Permits
Beds
4
Baths
1
Stories
1
Lot width
—
Lot depth
—
Lot size
7,500 Sq. Ft.
Year renovated
1946
Finished Sq. Ft.
1,016
Unfinished Sq. Ft.
—
Total Sq. Ft.
1,016
Year built
1942
Style
Single Family Residential
County
Contra Costa County
APN
4201820224
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Oct 30, 2026.
Dec 11, 2023 • Final
Building - residential electrical
Upgrade the main electrical panel and ground the electrical outlets. Install a new dedicated circuit for a microwave oven.
Electrical
Electric meter
Jun 26, 2019 • Final
Building - residential re-roof
Install new composition shingles over one existing layer of composition shingles.
Roofing
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.
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.31% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 87° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
15 unhealthy days expected this year, 15 days in 30 years
Provided by First Street
Historical weather
El Sobrante, CA • 94803
Average low and high temperatures (°F)
59
44
61
45
67
49
65
49
69
51
68
52
69
54
73
55
73
58
69
53
61
48
57
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
91/ 100
Exceptional sunlight
Sunscore
This home ranks in the top 17% for direct sun exposure in El Sobrante. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
10.1 hrs
5.8 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 3948 El Monte Dr
$500,992
$1,992 over list price of $499K
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $460K to $660K.