Open Gorgeous custom home offering soaring ceilings, hardwood floors and dramatic entry. Large kitchen with granite, huge living room with 20 foot ceilings and fireplace. Media room on second level, master retreat with octagon sitting room, master bath with two sided fireplace.
Single-familyProperty Type
2006Year Built
0.46 acresLot Size
$535Est. Price/Sq.Ft.
3 car garageParking
Listed by Jeffrey Gillett•DRE #01158597• Coldwell Banker
Bought with Jeffrey Gillett•DRE #01158597• Coldwell Banker
Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40555047
Redfin Estimate
$3,329,689
$930K since sold in February 2020$78K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.9% higher than the average sale price ($3.21M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40555047
Jun 18, 2012
Sold
$1,460,000
$235/sq ft
May 15, 2012
Pending
—
Apr 14, 2012
Price Changed
$1,650,000
$265/sq ft
Mar 14, 2012
Price Changed
$1,709,100
$275/sq ft
Feb 1, 2012
Price Changed
$1,799,000
$289/sq ft
Dec 19, 2011
Listed
$1,840,000
$296/sq ft
+16
Open Gorgeous custom home offering soaring ceilings, hardwood floors and dramatic entry. Large kitchen with granite, huge living room with 20 foot ceilings and fireplace. Media room on second level, master retreat with octagon sitting room, master bath with two sided fireplace.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40500727
Jun 16, 2011
Listing Removed
—
Mar 2, 2011
Price Changed
*
Dec 13, 2010
Listed
*
San Francisco MLS #378760
Jun 2, 2011
Delisted
—
May 14, 2011
Price Changed
*
Feb 28, 2011
Price Changed
*
Dec 6, 2010
Listed
*
bridgeMLS, Bay East AOR, or Contra Costa AOR #40267825
May 25, 2007
Listing Removed
—
May 16, 2007
Listed
*
bridgeMLS, Bay East AOR, or Contra Costa AOR #40008946
Aug 5, 2004
Sold
$1,000,000
$161/sq ft
Jun 8, 2004
Listing Removed
—
Apr 18, 2004
Listed
$1,100,000
$177/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$29,482 (+2.0%)
$1,031,852 + $1,645,387
$2,677,239
2024
$28,891 (+1.5%)
$1,011,620 + $1,613,125
$2,624,745
2023
$28,460 (+0.7%)
$991,785 + $1,581,496
$2,573,281
2022
$28,251 (+2.1%)
$972,339 + $1,550,487
$2,522,826
2021
$27,660 (+37.3%)
$953,274 + $1,520,086
$2,473,360
2020
$20,153 (+1.1%)
$934,583 + $1,490,281
$2,424,864
2019
$19,926 (+3.9%)
$643,159 + $1,100,506
$1,743,665
2018
$19,184 (+3.7%)
$630,549 + $1,078,928
$1,709,477
2017
$18,491 (+5.0%)
$606,065 + $1,037,033
$1,643,098
2016
$17,615 (+1.2%)
$606,065 + $1,037,033
$1,643,098
2015
$17,410 (+1.3%)
$594,182 + $954,935
$1,549,117
2014
$17,195 (+1.1%)
$573,793 + $922,167
$1,495,960
2013
$17,011 (−24.0%)
$573,793 + $922,167
$1,495,960
2012
$22,378 (−1.2%)
$571,200 + $918,000
$1,489,200
2011
$22,645 (−25.2%)
$759,430 + $1,239,070
$1,998,500
2010
$30,292 (−0.1%)
$559,131 + $1,460,369
$2,019,500
2009
$30,332 (+3.1%)
$755,905 + $1,974,313
$2,730,218
2008
$29,418
$757,701 + $1,979,004
$2,736,705
Tax history for 2946 Roundhill Rd
Year
Property tax
Land + Additions
Assessment*
2025
$29,482 (+2.0%)
$1,031,852 + $1,645,387
$2,677,239
2024
$28,891 (+1.5%)
$1,011,620 + $1,613,125
$2,624,745
2023
$28,460 (+0.7%)
$991,785 + $1,581,496
$2,573,281
2022
$28,251 (+2.1%)
$972,339 + $1,550,487
$2,522,826
2021
$27,660 (+37.3%)
$953,274 + $1,520,086
$2,473,360
2020
$20,153 (+1.1%)
$934,583 + $1,490,281
$2,424,864
2019
$19,926 (+3.9%)
$643,159 + $1,100,506
$1,743,665
2018
$19,184 (+3.7%)
$630,549 + $1,078,928
$1,709,477
2017
$18,491 (+5.0%)
$606,065 + $1,037,033
$1,643,098
2016
$17,615 (+1.2%)
$606,065 + $1,037,033
$1,643,098
2015
$17,410 (+1.3%)
$594,182 + $954,935
$1,549,117
2014
$17,195 (+1.1%)
$573,793 + $922,167
$1,495,960
2013
$17,011 (−24.0%)
$573,793 + $922,167
$1,495,960
2012
$22,378 (−1.2%)
$571,200 + $918,000
$1,489,200
2011
$22,645 (−25.2%)
$759,430 + $1,239,070
$1,998,500
2010
$30,292 (−0.1%)
$559,131 + $1,460,369
$2,019,500
2009
$30,332 (+3.1%)
$755,905 + $1,974,313
$2,730,218
2008
$29,418
$757,701 + $1,979,004
$2,736,705
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Mar 30, 2023 • Final
Building - residential solar photovoltaic
Install a residential flush roof-mounted, grid-tied solar photovoltaic system.
Battery
Electrical
Solar
Sep 26, 2016 • Final
Building/residential/p/pool
Install an inground pool and spa in the rear yard.
Pool and hot tub
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
Room Information
# of Rooms: 14
Exterior
Pool Information
Has Pool
Property Information
Living Sq. Ft: 6,221
Ground Floor Sq. Ft: 3,588
Building Sq. Ft: 6,221
# of Stories: 2
Legal Description: PARCEL MAP 30 PG 6 PCL C
Parking & Garage Information
Garage/Parking Sq. Ft: 708
Lot Information
# of Buildings: 1
Land Sq. Ft: 20,068
Acres: 0.4607
Zoning Code: R-20
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 5.0
Sq. Ft.: 6,221
Stories: 2.0
Lot Size: 0.46 acres
Style: Single Family Residential
Year Built: 2006
Year Renovated: 2007
County: Contra Costa County
APN: 1930500200
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Alamo Elementary School
Public K-5 • Assigned • 0.7mi
10/10
Stone Valley Middle School
Public 6-8 • Assigned • 0.5mi
10/10
Monte Vista High School
Public 9-12 • Assigned • 2.4mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
6/10 Flood Factor
Estimated 68-76% chance of a flood reaching the building in the next 30 years
4/10 Fire Factor
2% chance of being in a wildfire in next 30 years
4/10 Heat Factor
8 days above 96° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
17 unhealthy days expected this year, 17 days in 30 years
Provided by First Street
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
In this area, properties receive around 11.5 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.5 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$3.16M – $3.83M
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