Google street view image for 9520 Franz Valley School Rd, Calistoga, CA 94515

Off market

$1,084,721

•

1 ba

•

1,400

sq ft

9520 Franz Valley School Rd, Calistoga, CA 94515

About this home

9520 Franz Valley School Rd is a 1,400 square foot house on a 19.69 acre lot with 3 bedrooms and 1 bathroom. Based on Redfin's Calistoga data, we estimate the home's value is $1,084,721.

Single-familyProperty Type

1946Year Built

19.69 acresLot Size

$775Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,084,721

$94K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 53% higher than the average sale price ($709K) of 6 comparable homes.

SOLD JUL 8, 2026
$350,000
A
Land— sq ft
5784 St Helena Rd, Santa Rosa, CA 95404
SOLD MAY 4, 2026
$475,000
B
2 beds1 bath1,300 sq ft
3240 Calistoga Rd, Santa Rosa, CA 95404
SOLD SEP 8, 2026
$1,025,000
C
3 beds2.5 baths2,392 sq ft
3184 Calistoga Rd, Santa Rosa, CA 95404
SOLD FEB 13, 2026
$950,000
D
3 beds1.5 baths1,744 sq ft
3150 Calistoga Rd, Santa Rosa, CA 95404
SOLD FEB 27, 2026
$625,000
E
2 beds2 baths1,312 sq ft
3680 Calistoga Rd, Santa Rosa, CA 95404
SOLD SEP 29, 2026
$830,000
F
2 beds2 baths1,356 sq ft
5675 St. Helena Rd NE, Santa Rosa, CA 95404

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Earn from this home

Sell

$1,026,773

Est. take-home

List your home with Redfin and save $5,424

Rent

$2,401/mo

Redfin rental estimate

List your home for rent

Market trends in 94515, CA

Last updated September 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-List Price

98.2%

+1.7% MoM

Median sale price

$1.3M

$216K MoM

Avg. days on market

65d

9 days MoM

Recently sold homes

3 MoM

New listings for sale

NEW 21 HRS AGO
$249,000
3 beds2 baths1,488 sq ft
921 Champagne St S, Calistoga, CA 94515
$3,995,000
2 beds2 baths2,500 sq ft
321 Dutch Henry Canyon Rd, Calistoga, CA 94515
OPEN SAT, 12PM TO 2PM
$265,000
2 beds2 baths1,400 sq ft
2412 Foothill Blvd #110, Calistoga, CA 94515
3D & VIDEO TOUR
$3,895,000
5 beds6.5 baths7,030 sq ft
1312 Summit Dr, Calistoga, CA 94515
See all

Provided by Redfin

Sale history for 9520 Franz Valley School Rd

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2025

$3,381 (+2.0%)

$139,594 + $180,873

$320,467

2024

$3,316 (+1.8%)

$136,857 + $177,327

$314,184

2023

$3,256 (+4.1%)

$134,174 + $173,850

$308,024

2022

$3,126 (+139.7%)

$131,544 + $170,442

$301,986

2021

$1,304 (+3.3%)

$128,965 + $167,100

$296,065

2020

$1,263 (+1.4%)

$126,437

2019

$1,246 (+1.4%)

$125,141

2018

$1,228 (−43.2%)

$122,688

2017

$2,161 (+4.5%)

$117,925 + $87,506

$205,431

2015

$2,068 (+1.8%)

$115,613 + $85,791

$201,404

2014

$2,032 (+0.2%)

$111,647 + $82,848

$194,495

2013

$2,029 (+3.0%)

$111,647 + $82,848

$194,495

2012

$1,970 (+4.7%)

$111,143 + $82,474

$193,617

2011

$1,881 (+1.6%)

$108,964 + $80,857

$189,821

2010

$1,851 (−1.2%)

$106,828 + $79,272

$186,100

2009

$1,874 (+2.2%)

$106,030 + $78,680

$184,710

2007

$1,833

$104,199 + $77,321

$181,520

Tax history for 9520 Franz Valley School Rd

Year

Property tax

Land + Additions

Assessment*

2025

$3,381 (+2.0%)

$139,594 + $180,873

$320,467

2024

$3,316 (+1.8%)

$136,857 + $177,327

$314,184

2023

$3,256 (+4.1%)

$134,174 + $173,850

$308,024

2022

$3,126 (+139.7%)

$131,544 + $170,442

$301,986

2021

$1,304 (+3.3%)

$128,965 + $167,100

$296,065

2020

$1,263 (+1.4%)

$126,437

2019

$1,246 (+1.4%)

$125,141

2018

$1,228 (−43.2%)

$122,688

2017

$2,161 (+4.5%)

$117,925 + $87,506

$205,431

2015

$2,068 (+1.8%)

$115,613 + $85,791

$201,404

2014

$2,032 (+0.2%)

$111,647 + $82,848

$194,495

2013

$2,029 (+3.0%)

$111,647 + $82,848

$194,495

2012

$1,970 (+4.7%)

$111,143 + $82,474

$193,617

2011

$1,881 (+1.6%)

$108,964 + $80,857

$189,821

2010

$1,851 (−1.2%)

$106,828 + $79,272

$186,100

2009

$1,874 (+2.2%)

$106,030 + $78,680

$184,710

2007

$1,833

$104,199 + $77,321

$181,520

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning and permits

Zoning
Permits

DA B6 20

RC 100'

Diverse Agriculture B6 Combining District 20 Acres

DA: Enhances and protects land where soil, climate, and water conditions support farming but where small acreage intensive farming and part-time farming activities are predominant, and where farming may not be the principal occupation of the farmer; Implement the diverse agriculture land use category of the general plan and the policies of the Agricultural Resource Element.; B6: To specify residential density and/or minimum parcel or lot size for a particular parcel, lot or area.

Zone overlays

Permitted uses

Include but are not limited to:

Agriculture
Equestrian facility
Greenhouse / nursery
Day care facility
Housing-Group
Housing-Single unit
Theater / performing arts facility
Agriculture-Cropland
Park & open space
Timberland

Property details

Interior

Bathroom Information
# of Full Baths: 1

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 5

Exterior

Exterior Information
Building Style Type: U-Shape
Construction Type: Wood/Steel
Building Construction Quality: Fair

Property Information
Living Sq. Ft: 1,400
Ground Floor Sq. Ft: 1,400
Building Sq. Ft: 1,400
# of Stories: 1
Legal Description: 89 FM 120-170-24 PT 27 PER TAX BOND EST

Parking & Garage Information
Garage/Parking Sq. Ft: 960

Lot Information
# of Buildings: 1
Land Sq. Ft: 857,696
Legal Lot Number: 10,13
Acres: 19.69
Zoning Code: DA20
County Use Description: RURAL RESID-1 RESID

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 1.0
Sq. Ft.: 1,400
Stories: 1.0
Lot Size: 19.69 acres
Style: Single Family Residential
Year Built: 1946
Year Renovated: 1953
County: Sonoma County
APN: 120170026000

Home facts updated by county records on Aug 13, 2026

Around this home

Schools

Calistoga Elementary School

Public K-6 • Assigned • 3.3mi

6/10

Calistoga Junior/Senior High School

Public 7-12 • Assigned • 3.4mi

4/10

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

5/10 Fire Factor

5% chance of being in a wildfire in next 30 years

4/10 Heat Factor

7 days above 98° 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

29 unhealthy days expected this year, 30 days in 30 years

Provided by First Street

Historical weather

Calistoga, CA • 94515

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 11.4 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.4 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.03M – $1.25M

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Nearby similar homes

$3,995,000

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LISTED BY REDFIN3D & VIDEO TOUR

$3,695,000

3 beds3.5 baths2,953 sq ft

8300 Franz Valley School Rd, Calistoga, CA 94515

OPEN SUN, 12PM TO 3PMVIDEO TOUR

$1,695,000

3 beds3 baths3,410 sq ft

5779 Trailwood Dr, Santa Rosa, CA 95404

New listings for sale in 94515

NEW 21 HRS AGO

$249,000

3 beds2 baths1,488 sq ft

921 Champagne St S, Calistoga, CA 94515

$3,995,000

2 beds2 baths2,500 sq ft

321 Dutch Henry Canyon Rd, Calistoga, CA 94515

OPEN SAT, 12PM TO 2PM

$265,000

2 beds2 baths1,400 sq ft

2412 Foothill Blvd #110, Calistoga, CA 94515

3D & VIDEO TOUR

$3,895,000

5 beds6.5 baths7,030 sq ft

1312 Summit Dr, Calistoga, CA 94515

Home values near 9520 Franz Valley School Rd

Data from public records.

Address	Redfin Estimate
8980 Franz Valley School Road, Calistoga, CA 4 Beds \| 2 Baths \| 1360 Sq. Ft.	—
10000 Franz Valley School Road, Calistoga, CA 3 Beds \| 3 Baths \| 3841 Sq. Ft.	$2,472,542

Address	Redfin Estimate
8950 Franz Valley School Road, Calistoga, CA 2 Beds \| 1.5 Baths \| 1654 Sq. Ft.	$931,149
9800 Franz Valley School Road, Calistoga, CA 4 Beds \| 4.5 Baths \| 4088 Sq. Ft.	$5,373,573

Address	Redfin Estimate
9295 Franz Valley School Road, Calistoga, CA 3 Beds \| 3.5 Baths \| 3282 Sq. Ft.	$1,802,000
9600 Franz Valley School Road, Calistoga, CA 3 Beds \| 2 Baths \| 1536 Sq. Ft.	$1,061,024

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