Listed by Jason Khorramian DRE #01799554 MAINSTREET REALTORS
Contact: 949-291-8066
For sale
$674,900
Est. $4,466/mo
4
bd
2.5 ba
2,593
sq ft

3900 Obsidian, San Bernardino, CA 92407

map-entry

About this home

Single-familyProperty Type
2007Year Built
5,268 sq ftLot Size
$260Price/Sq.Ft.
$120/moHOA Dues
2 car garageParking
Listing updated:
Redfin checked: 3 minutes ago
Source:CRMLS #CV26124565
37 days on Redfin464 views21 favorites

Payment calculator

$4,466 per month

Principal and interest$3,502
Property taxes
HOA dues
Home insurance
Utilities
Down payment
20% ($134,980)

Home price
$674,900

Loan details
30-yr fixed, 6.75%
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Around this home

Paakuma K-8

Public K-8 • Assigned • 0.3mi

8/10
Cajon High School

Public 9-12 • Assigned • 9.5mi

6/10
Provided by GreatSchools
About Rosena Ranch 

Provided by Walk Score and Local Logic

Offer insights

3900 Obsidian · $674,900
$680K and above
75% chance or better to win
Why $680K+ is a strong offer
DAYS ON MARKET
38 days
The average home goes pending in 48 days.
SALE-TO-LIST
99.3%
Most homes are selling 1% below list price.
About offer insights

Property details

Kitchen

Kitchen

Bathroom

Bathroom

Bedroom

Bedroom

Living

Living

  • Interior features
  • Two-level home
  • Main level has one bathroom
  • All bedrooms located upstairs
  • Entry on the first level
  • Has a fireplace in the family room
  • Bedrooms
  • All bedrooms upstairs
  • Bathrooms
  • Two full bathrooms
  • One half bathroom
  • Kitchen
  • No kitchen appliance details provided
  • Laundry & utility
  • Laundry in a dedicated room
  • Heating & cooling
  • Central furnace heating
  • Central air conditioning

Sale and tax history for 3900 Obsidian

Public record

Beds
4
Baths
3
Stories
2
Lot width
Lot depth
Lot size
5,268 Sq. Ft.
Year renovated
2007
Finished Sq. Ft.
2,593
Unfinished Sq. Ft.
Total Sq. Ft.
2,593
Year built
2007
Style
Single Family Residential
County
San Bernardino County
APN
1116 161 77 0 000
Parking Spaces
Basement
Accessible
HOA Dues
Garage
Features
Last updated by owner on Jun 25, 2026.

Climate risks

1/10 Flood Factor

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

10/10 Fire Factor

70% chance of being in a wildfire in next 30 years

7/10 Heat Factor

4 days above 101° expected this year, 12 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

10/10 Air Factor

27 unhealthy days expected this year, 34 days in 30 years

Provided by First Street

Historical weather

San Bernardino, CA • 92407
Average low and high temperatures (°F)
53
40
58
42
62
45
60
43
67
48
77
55
84
62
85
63
79
58
72
52
59
42
59
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Sun exposure

84/ 100

Very good sunlight

Sunscore

There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

8.8 hrs
6.4 hrs
JuneDecember
Provided by Shadowmap

Redfin Estimate for 3900 Obsidian

$674,095
$805 under list price of $675K
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $642K to $715K.

More resources

Rental earnings

Est. $3,136 per month, based on comparable rentals

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GreatSchools Ratings provided by GreatSchools.org.