OPEN TODAY, 1PM TO 4PM
For sale
$1,550,000
Est. $10,397/mo —
5
bd
•
3 ba
•
2,691
sq ft

109 Mt Trinity Ct, Clayton, CA 94517

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About this home

Single-familyProperty Type
1977Year Built
0.39 acresLot Size
$576Price/Sq.Ft.
$92/moHOA Dues
3 car garageParking
Listed by Kelly Mcdougall •DRE #01156462 • Compass
Listing updated:
Redfin checked: a minute ago
•Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #41153228
13 hours on Redfin • 141 views • 13 favorites

Payment calculator

$10,397 per month

Principal and interest$8,354
Property taxes
HOA dues
Home insurance
Utilities
Down payment
20% ($310,000)
Home price
$1,550,000
Loan details
30-yr fixed, 7.13%
5 minutes to get started. No credit impact. 

See this home in person

Open houses
Saturday, Nov 7
1:00pm - 4:00pm
Sunday, Nov 8
1:00pm - 4:00pm

Around this home

Schools

Mt. Diablo Elementary School

Public K-5 • Assigned • 1.4mi

9/10
Diablo View Middle School

Public 6-8 • Assigned • 0.8mi

9/10
Northgate High School

Public 9-12 • Assigned • 4.4mi

9/10
Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Market insights

109 Mt Trinity Ct · $1,550,000
DAYS ON MARKET
1 days
The average home goes pending in 26 days.
SALE-TO-LIST
102.4%
Most homes are selling 2% above list price.
LIST PRICE
$1,550,000
Median sale price in this area is $848,246. (45% lower than this home)
PRICE DROP
0 price drops
21% of homes in this area have had a price drop in the past month.

Property details

Kitchen

Bathroom

Bedroom

Living

Dining

  • Interior features
  • Family room
  • Formal dining room
  • Living room
  • Gas fireplace in the living room
  • Double-pane windows
  • Crawl-space basement
  • Walk-in closet
  • Bedrooms
  • 5 bedrooms: 4 on the upper level and 1 on the street level
  • Bathrooms
  • 3 full bathrooms: 2 on the upper level and 1 on the street level
  • Updated baths
  • Primary bathroom with double vanity, stall shower, tub, and window
  • Other bathrooms with shower-over-tub and stall shower
  • Kitchen
  • Updated kitchen with breakfast bar, eat-in area, kitchen island, and solid-surface counters
  • Dishwasher
  • Gas range
  • Free-standing range
  • Laundry & utility
  • Laundry room with hookups, cabinets, and sink
  • Flooring
  • Laminate
  • Tile
  • Heating & cooling
  • Forced-air heating
  • Central air conditioning
  • Attic fan

Sale and tax history for 109 Mt Trinity Ct

Public record

Beds
5
Baths
3
Stories
2
Lot width
—
Lot depth
—
Lot size
0.39 Acres
Year renovated
1990
Finished Sq. Ft.
2,691
Unfinished Sq. Ft.
—
Total Sq. Ft.
2,691
Year built
1977
Style
Single Family Residential
County
Contra Costa County
APN
1195200066
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Oct 30, 2026.

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

8/10 Fire Factor

28% chance of being in a wildfire in next 30 years

4/10 Heat Factor

9 days above 93° expected this year, 19 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

9/10 Air Factor

17 unhealthy days expected this year, 18 days in 30 years

Provided by First Street

Historical weather

Clayton, CA • 94517
Average low and high temperatures (°F)
60
40
64
43
72
47
72
48
80
52
85
55
87
57
92
59
85
60
74
52
64
46
57
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Sun exposure

84/ 100

Very good sunlight

Sunscore

This home receives average direct sun exposure in Clayton. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

9.6 hrs
5 hrs
JuneDecember
Provided by Shadowmap

Redfin Estimate for 109 Mt Trinity Ct

$1,550,624
$624 over list price of $1.55M
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $1.2M to $1.4M.

More resources

Rental earnings

Est. $5,672 per month, based on comparable rentals

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GreatSchools Ratings provided by GreatSchools.org.