3871 Trinity Rd is a 2,649 square foot house on a 30.5 acre lot with 1 bedroom and 2 bathrooms. - it last sold on July 27, 2001 for $975,000. Based on Redfin's Glen Ellen data, we estimate the home's value is $2,830,418.
Single-familyProperty Type
2006Year Built
30.5 acresLot Size
$1,068Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,830,418
$1.9M since sold in July 2001$132K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 50.5% higher than the average sale price ($1.88M) 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 3, 2025 • Final
Building permit no plan check
Replace the furnace, air conditioning condenser, and evaporator coil in a single-family home.
HVAC
Jun 16, 2020 • Final
Building permit with plan check
Gas
Generator
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
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Building Construction Quality: Good
Property Information
Subdivision Name: SAN FRANCISCO
Living Sq. Ft: 2,649
Building Sq. Ft: 3,385
# of Stories: 1
Legal Description: 86 FM 53-050-95 PER MD
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 474
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 1,328,580
Legal Lot Number: 2
Acres: 30.5
Zoning Code: DA35
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 2.0
Sq. Ft.: 2,649
Stories: 1.0
Lot Size: 30.5 acres
Style: Single Family Residential
Year Built: 2006
Year Renovated: 2006
County: Sonoma County
APN: 053051002000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Altimira Middle School
Public 6-8 • Assigned • 5.8mi
2/10
Sonoma Valley High School
Public 9-12 • Assigned • 7.9mi
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
1% chance of being in a wildfire in next 30 years
2/10 Heat Factor
2 days above 95° expected this year, 4 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
24 unhealthy days expected this year, 24 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
81
54
88
56
85
55
78
52
64
46
58
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
$2.69M – $3.26M
Reach more buyers when you sell with Redfin. Save up to $28,304 in fees.3 minutes to get started.