874 Hardstone Ct is a 2,907 square foot house on a 0.99 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on August 21, 1986 for $264,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $1,232,247.
Single-familyProperty Type
1985Year Built
0.99 acresLot Size
$424Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,232,247
$968K since sold in August 1986$13K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13.9% lower than the average sale price ($1.43M) 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
Apr 20, 2016 • Final
Residential addition-alteration
Install an overlay of composition shingles on a single roof in a wildland-urban interface area.
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: 11
Exterior
Exterior Information
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Good
Pool Information
Has Pool
Property Information
Subdivision Name: CASTLEROCK
Living Sq. Ft: 2,907
Ground Floor Sq. Ft: 1,552
Building Sq. Ft: 3,938
# of Stories: 2
Legal Description: LOT 37 CASTLEROCK SUB
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 692
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 43,124
Legal Lot Number: 37
Acres: 0.99
Zoning Code: CITYSR
County Use Description: SFD W/GRANNY UNIT
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,907
Stories: 2.0
Lot Size: 0.99 acres
Style: Single Family Residential
Year Built: 1985
Year Renovated: 1986
County: Sonoma County
APN: 013350037000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Spring Lake Charter
Charter K-8 • Assigned • 0.7mi
6/10
Montgomery High School
Public 9-12 • Assigned • 1.6mi
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
4/10 Fire Factor
3% 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
10/10 Air Factor
21 unhealthy days expected this year, 21 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95405
Average low and high temperatures (°F)
63
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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
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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
$1.17M – $1.42M
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