Rare opportunity to build your dream home in one of Alamo's most desirable locations. This approximately 0.43-acre vacant lot at 300 Marks Road offers a prime setting surrounded by beautiful custom homes and mature landscaping. The mostly level parcel provides endless possibilities to design a custom residence tailored to your lifestyle, with ample space for outdoor living, a pool, gardens, or entertaining areas. Enjoy the charm and tranquility of Alamo while remaining just minutes from top-rated schools, parks, hiking trails, downtown Alamo, shopping, dining, and convenient freeway access. Whether you envision a modern masterpiece or a timeless estate, this exceptional homesite offers the perfect canvas to bring your vision to life. Don't miss this unique opportunity to create something truly special in a highly sought-after Alamo neighborhood.
Vacant landProperty Type
0.42 acresLot Size
$3,571,429Price/Acres
Listed by Khrista Jarvis•DRE #01213582• Coldwell Banker Realty
Listed by Nicole Jung•DRE #01753810• Coldwell Banker Realty
Alamo Oaks, located between Stone Valley Road and the Las Trampas foothills, is a residential and semi-rural Alamo neighborhood with oak-studded lanes and winding cul-de-sacs. The neighborhood’s character concentrates around the Stone Valley Road corridor near Danville Boulevard, where coffee counters, small studios, and local services set a low-key daytime rhythm. Homes lean toward spacious California ranch and contemporary builds, often set back behind mature trees and long driveways. Trailheads and open-space edges shape a weekend cadence of hikes and bike rides. The landscape reads green in winter and golden in late summer, with ridgeline views peeking through the canopy. A short drive connects to Alamo’s small commercial pockets for dining and errands.
Provided by Walk Score and Local Logic
Property details
Exterior
Exterior features
Dirt road access
Irregular, level lot
Corners marked
Home design
Land (unimproved)
Zoned residential
Construction
Unimproved land
Utilities
Public water
Public sewer
Sale and tax history for 300 Marks Rd
Sale History
Tax History
Date
Event
Price
bridgeMLS, Bay East AOR, or Contra Costa AOR #41138524
Jun 16, 2026
Listed
$1,500,000
bridgeMLS, Bay East AOR, or Contra Costa AOR #40843649
Feb 13, 2019
Sold
$1,295,000
Jan 4, 2019
Pending
—
Dec 10, 2018
Contingent
—
Nov 18, 2018
Price Changed
$1,495,000
Oct 24, 2018
Listed
$1,600,000
+29
Open Sun 1-4. Price reduced. Check out drone video at https://vimeo.com/296983165 Beautiful 5 bedroom 3 bath home with over 4231 square feet of living space. Enjoy nature's peace as this home sits on a 1 acre lot in a secluded area with lots of space for entertaining or relaxation. This home offers an optional in-law unit, 2 master suites, gorgeous wood floors and plenty of storage space! From the open floor plan with an amazing view of the Mt Diablo, to the cozy living room with a beautiful brick fireplace, you will not be disappointed!!
Public Records
Sep 30, 1987
Sold
$367,500
Year
Property tax
Land + Additions
Assessment*
2025
$16,639 (+2.2%)
$1,059,740 + $384,852
$1,444,592
2024
$16,276 (+1.6%)
$1,059,740 + $384,852
$1,444,592
2023
$16,027 (+0.3%)
$1,038,961 + $377,306
$1,416,267
2022
$15,985 (+2.2%)
$1,018,590 + $369,908
$1,388,498
2021
$15,646 (+1.2%)
$998,618 + $362,655
$1,361,273
2020
$15,461 (+105.8%)
$979,038 + $355,545
$1,334,583
2019
$7,514 (+12.7%)
$969,000 + $351,900
$1,320,900
2018
$6,666 (+3.6%)
$252,565 + $352,274
$604,839
2017
$6,435 (+1.1%)
$242,758 + $338,596
$581,354
2016
$6,363 (+1.0%)
$242,758 + $338,596
$581,354
2015
$6,299 (+1.1%)
$237,999 + $331,957
$569,956
2014
$6,231 (+0.9%)
$229,833 + $320,567
$550,400
2013
$6,177 (−1.3%)
$229,833 + $320,567
$550,400
2012
$6,257 (+1.6%)
$228,795 + $319,119
$547,914
2011
$6,156 (+1.0%)
$224,309 + $335,712
$560,021
2010
$6,094 (−0.1%)
$219,911 + $329,130
$549,041
2009
$6,102 (+3.8%)
$218,268 + $326,671
$544,939
2008
$5,877
$218,787 + $327,448
$546,235
Public record
Public record
Permits
Beds
5
Baths
5
Stories
2
Lot width
—
Lot depth
—
Lot size
0.94 Acres
Year renovated
1975
Finished Sq. Ft.
3,831
Unfinished Sq. Ft.
—
Total Sq. Ft.
3,831
Year built
1963
Style
Single Family Residential
County
Contra Costa County
APN
1960800025
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 10, 2026.
Feb 1, 2023 • Final
Building - residential solar photovoltaic
Install rooftop solar panels to create a solar power system.
Remove and replace the existing deck at the front of the single-family home.
Remodel
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.
Historical weather
Alamo, CA • 94507
Average low and high temperatures (°F)
58
39
61
42
68
46
68
47
74
51
80
54
80
55
85
58
83
57
76
53
62
44
56
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
85/ 100
Very good sunlight
Sunscore
There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
9.5 hrs
6.1 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 300 Marks Rd
$1,429,631
$70K under list price of $1.50M
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $1.6M to $3.4M.