2109 Warm Springs Rd is a 768 square foot house on a 0.28 acre lot with 1 bedroom and 2 bathrooms. - it last sold on March 17, 2025 for $300,000. Based on Redfin's Glen Ellen data, we estimate the home's value is $704,719.
Single-familyProperty Type
1932Year Built
0.28 acresLot Size
$918Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$704,719
$405K since sold in March 2025$17K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 18.9% lower than the average sale price ($869K) of 5 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 23, 2021 • Final
Building permit no plan check
HVAC
Mar 13, 2018 • Final
Building permit no plan check
Remove and replace a water heater in a single-family home.
Plumbing
Water heater
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: 2
Room Information
# of Rooms: 3
Exterior
Exterior Information
Building Style Type: Square Design
Building Construction Quality: Average
Property Information
Subdivision Name: LOS GUILICOS RHO
Living Sq. Ft: 768
Building Sq. Ft: 768
# of Stories: 2
Legal Description: 2003 FM 053-180-019 & 034 2002RMDMGR
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 288
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 12,025
Acres: 0.2761
County Use Description: SINGLE FAM DWELLING
Location Information
Parcel Location Influence: Creek
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 2.0
Sq. Ft.: 768
Stories: 2.0
Lot Size: 0.28 acres
Style: Single Family Residential
Year Built: 1932
Year Renovated: 1970
County: Sonoma County
APN: 053180099000
Home facts updated by county records on Oct 28, 2026
Around this home
Schools
K - 12
Preschool & daycare
Altimira Middle School
Public 6-8 • Assigned • 6.0mi
2/10
Sonoma Valley High School
Public 9-12 • Assigned • 8.9mi
7/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
10/10 Flood Factor
Estimated 80%+ chance of a flood reaching the building in the next 30 years
4/10 Fire Factor
0.93% chance of being in a wildfire in next 30 years
4/10 Heat Factor
8 days above 96° expected this year, 17 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
19 unhealthy days expected this year, 20 days in 30 years
Provided by First Street
Historical weather
Glen Ellen, CA • 95442
Average low and high temperatures (°F)
61
41
63
44
70
47
69
47
77
51
81
53
84
55
88
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83
57
73
52
64
46
58
43
Jan
Feb
Mar
Apr
May
Jun
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Aug
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Oct
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Dec
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
$670,000 – $811,000
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