4020 Quartz Dr is a 3,610 square foot house on a 0.92 acre lot with 5 bedrooms and 3 bathrooms. - it last sold on May 02, 2001 for $870,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $1,562,321.
Single-familyProperty Type
1988Year Built
0.92 acresLot Size
$433Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,562,321
$692K since sold in May 2001$6,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 7.5% higher than the average sale price ($1.45M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Dec 24, 2025 • Final
Residential addition-alteration
Battery
Electrical
Solar
Sep 16, 2025 • Final
Residential addition-alteration
Tear off existing composition shingles and re-roof a single-family home with class A rated 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.
Property details
Interior
Bathroom Information
# of Full Baths: 3
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 9
Exterior
Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Excellent
Property Information
Subdivision Name: CASTLE ESTATES
Living Sq. Ft: 3,610
Ground Floor Sq. Ft: 1,871
Building Sq. Ft: 4,649
# of Stories: 2
Legal Description: MAP 297 PG 19 LOT 11
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 1,039
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 40,075
Legal Lot Number: 11
Acres: 0.92
Zoning Code: CITYSR
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 3.0
Sq. Ft.: 3,610
Stories: 2.0
Lot Size: 0.92 acres
Style: Single Family Residential
Year Built: 1988
Year Renovated: 1989
County: Sonoma County
APN: 013350011000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Spring Lake Charter
Charter K-8 • Assigned • 0.4mi
6/10
Montgomery High School
Public 9-12 • Assigned • 1.3mi
7/10
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
3/10 Fire Factor
0.46% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 93° 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, 17 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95405
Average low and high temperatures (°F)
63
41
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71
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46
77
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82
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86
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82
57
78
52
64
45
59
43
Jan
Feb
Mar
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Jun
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Sun exposure
In this area, properties receive around 11.2 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.2 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.49M – $1.80M
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