2 lots available! Rare opportunity! The HE-C zoning designation in Contra Costa County is a housing-focused district created to ensure certain parcels can develop residential projects at defined densities in compliance with the county’s Housing Element and California housing law. Residential housing at the specified density for that parcel Accessory dwelling units (ADUs / JADUs), Small residential care facilities, Small family or large family childcare homes, Supportive or transitional housing (small facilities),Each parcel in the HE-C district has a specific density range (units per acre) assigned by the ordinance 17 to 30 units per acre. Check with Contra Costa County on all questions regarding allowable uses. HEC zoning Camino Diablo location. Excellent access to major East County routes Opportunity for a variety of potential uses, subject to County approval Ideal for investors, business owners, land buyers, or those looking for a unique development opportunity, Growing East Contra Costa County location Minutes from Brentwood, Byron and Discovery Bay, each lot potential HE-C density range of 17 to 30 dwelling units per acre. (2 available) 4.68 acres were theoretically counted at those densities: 17 units/acre: about 80 units 20 units/acre: about 94 units 25 units/acre: about 117 units 30 units/acre: about 140 units
Vacant landProperty Type
4.68 acresLot Size
$149,359Price/Acres
Listed by Lori Abreu•DRE #01336343• Delta Ranches & Homes
bridgeMLS, Bay East AOR, or Contra Costa AOR #41127031
Aug 19, 2026
Price Changed
$699,000
May 6, 2026
Price Changed
$1,000,000
Mar 12, 2026
Listed
$1,400,000
Public Records
Jan 8, 2009
Sold
$600,100
Year
Property tax
Land + Additions
Assessment*
2025
$5,005 (+3.3%)
$461,679
2024
$4,843 (+1.5%)
$452,627
2023
$4,772 (+1.6%)
$443,752
2022
$4,697 (+2.5%)
$435,051
2021
$4,581
$426,521
2020
$4,579 (+0.9%)
$418,158
2019
$4,537 (+3.7%)
$413,871
2018
$4,376 (+1.5%)
$405,756
2017
$4,312 (+24.5%)
$390,000
2016
$3,464 (+0.5%)
$390,000
2015
$3,446 (+1.5%)
$319,817
2014
$3,394
$308,844
2013
$3,391 (+1.8%)
$308,844
2012
$3,331 (+1.6%)
$307,449
2011
$3,278 (+1.5%)
$301,421
2010
$3,229 (+1,012.1%)
$295,511
2009
$290 (+3.8%)
$293,303
2008
$280
$25,590
Public record
Public record
Zoning
Beds
—
Baths
—
Stories
—
Lot width
—
Lot depth
—
Lot size
4.68 Acres
Year renovated
—
Finished Sq. Ft.
—
Unfinished Sq. Ft.
—
Total Sq. Ft.
—
Year built
—
Style
Vacant Land
County
Contra Costa County
APN
0031200082
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Oct 10, 2026.
HE-C
Housing Element Consistency District
This chapter establishes the HE-C zoning district and, in conjunction with Ordinance No. 2024-03, rezones certain parcels to the HE-C district to implement portions of the Housing Element of the Contra Costa County General Plan, in accordance with State Housing Element Law (Gov. Code, 65580 et seq.). Parcels zoned to an HE-C district and identified in this chapter are those identified on the sites inventory for the County's 6th Cycle Housing Element (2023-2031). This chapter enables residential development of identified parcels at densities identified in and consistent with the County's Housing Element.
Permitted uses
Include but are not limited to:
Religious facility
Day care facility
Housing-Senior
Educational/school
Park & open space
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
8/10 Fire Factor
38% chance of being in a wildfire in next 30 years
6/10 Heat Factor
7 days above 102° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
20 unhealthy days expected this year, 21 days in 30 years
Provided by First Street
Historical weather
Byron, CA • 94514
Average low and high temperatures (°F)
59
39
63
44
72
49
74
50
82
55
89
59
92
61
94
63
88
63
80
56
64
47
56
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
100/ 100
Exceptional sunlight
Sunscore
This home receives average direct sun exposure in Byron. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
10 hrs
6.5 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for Camino Diablo
$664,947
$34K under list price of $699K
Nearby comparable homes
The Redfin Estimate uses 5 recent nearby sales, priced between $990K to $1.6M.