12001 EFFEN ST
Valuation
Tax & Assessment
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Transaction History(13)
Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.Foreclosure Filings(2)
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Chaffey Joint Union High School District
Neighborhood · ZIP 91739These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
Owner Tools
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
How this home compares
12001 Effen St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.
- Worth more than 85% of homes in San Bernardino County
- Among the highest price per square foot in Terra Vista
- Smaller than 88% of homes in Rancho Cucamonga 91739
- Has a bigger lot than 87% of homes in Terra Vista
- Older than 96% of homes in Terra Vista
What homes are worth in Rancho Cucamonga 91739
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 36% of homes in Rancho Cucamonga 91739.
How it measures up in Rancho Cucamonga 91739
The dot is this home. The mark in the middle is the typical home in Rancho Cucamonga 91739.
Pricier than 36% of homes nearby
Pricier than almost all homes nearby
Bigger than 12% of homes nearby
Bigger than 43% of homes nearby
Newer than 5% of homes nearby
| Measure | This home | Terra Vista | Rancho Cucamonga 91739 | San Bernardino County |
|---|---|---|---|---|
| Estimated valuepricier than | $790,691 | 84% of homes | 36% of homes | 85% of homes |
| Price per ft²pricier than | $676 | almost all homes | almost all homes | almost all homes |
| Living areabigger than | 1,170 ft² | 13% of homes | 12% of homes | 21% of homes |
| Lot sizebigger than | 0.17 ac | 87% of homes | 43% of homes | 38% of homes |
| Year builtnewer than | 1975 | 4% of homes | 5% of homes | 34% of homes |
About 12001 Effen St
How much is 12001 Effen St, Rancho Cucamonga, CA worth?
The TopHap Estimate for 12001 Effen St, Rancho Cucamonga, CA is $790,691 as of Sep 24, 2026. The likely range is $754,481 to $826,901. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 12001 Effen St, Rancho Cucamonga, CA last sell?
12001 Effen St, Rancho Cucamonga, CA last sold on May 26, 2022 for $720,000, according to the county's recorded deed. TopHap holds 7 recorded sales for this parcel.
How big is 12001 Effen St, Rancho Cucamonga, CA?
12001 Effen St, Rancho Cucamonga, CA has 3 bedrooms, 2 bathrooms, 1,170 square feet of living space and a 0.17-acre lot.
When was 12001 Effen St, Rancho Cucamonga, CA built?
12001 Effen St, Rancho Cucamonga, CA was built in 1975, making it 51 years old. It is a modern home. The building has 1 story.
What schools serve 12001 Effen St, Rancho Cucamonga, CA?
12001 Effen St, Rancho Cucamonga, CA is assigned to Terra Vista Elementary School (elementary), rated A; Rancho Cucamonga High School (high), rated A-; Etiwanda Intermediate School (middle), rated A-. All sit in Chaffey Joint Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 12001 Effen St, Rancho Cucamonga, CA compare to other homes in Rancho Cucamonga 91739?
Among the 10,775 homes in Rancho Cucamonga 91739, it is worth more than 36% of them ($790,691 against a typical $933,606), its price per square foot is higher than almost all of them ($676 against a typical $379), it is bigger than 12% of them (1,170 ft² against a typical 2,558 ft²), its lot is bigger than 43% of them (0.17 ac against a typical 0.18 ac) and it is newer than 5% of them (1975 against a typical 2002). Measured against all of San Bernardino County, it is worth more than 85% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 12001 Effen St, Rancho Cucamonga, CA?
The 2025 property tax bill for 12001 Effen St, Rancho Cucamonga, CA was $8,377. The county assessed it at $779,350.
More homes on Effen St
- 10288 Effen St$595K3 bd · 2 ba · 1,683 ft² · Sold $585K · Dec 2025
- 9670 Effen St$878K3 bd · 2 ba · 1,766 ft² · Sold $835K · Oct 2024
- 10276 Effen St$740K3 bd · 2 ba · 1,263 ft² · Sold $709K · Jan 2024
- 11997 Effen St$737K3 bd · 2 ba · 1,170 ft² · Sold $665K · Jul 2023
- 10194 Effen St$708K4 bd · 2 ba · 1,412 ft² · Sold $561K · Apr 2023
- 9680 Effen St$886K3 bd · 2.5 ba · 2,144 ft² · Sold $850K · Apr 2022
- 12011 Effen St$694K3 bd · 2 ba · 1,182 ft² · Sold $680K · Mar 2022
- 10089 Effen St$701K3 bd · 2 ba · 1,256 ft² · Sold $640K · Mar 2022
- 9677 Effen St$734K3 bd · 2 ba · 1,260 ft² · Sold $600K · Jan 2022
- 10080 Effen St$733K3 bd · 2 ba · 1,552 ft² · Sold $690K · Jul 2021
- 9660 Effen St$710K4 bd · 2 ba · 1,476 ft² · Sold $580K · Apr 2021
- 11954 Effen St$666K3 bd · 2 ba · 1,170 ft² · Sold $490K · Mar 2020
Closest homes
- 11997 Effen St$737K65 ft · 3 bd · 2 ba · 1,170 ft² · Sold $665K · Jul 2023
- 12011 Effen St$694K79 ft · 3 bd · 2 ba · 1,182 ft² · Sold $680K · Mar 2022
- 12004 Dorset St$682K111 ft · 3 bd · 2 ba · 1,170 ft² · Sold Jan 1900
- 12014 Dorset St$704K129 ft · 3 bd · 2 ba · 1,170 ft² · Sold $100K · Jul 1994
- 11994 Dorset St$683K129 ft · 3 bd · 2 ba · 1,198 ft² · Sold Jan 1900
- 11987 Effen St$658K130 ft · 3 bd · 2 ba · 1,170 ft² · Sold Jan 1900
- 12002 Effen St$670K166 ft · 3 bd · 2 ba · 1,182 ft² · Sold $245K · Oct 2009
- 11996 Effen St$655K177 ft · 3 bd · 2 ba · 1,170 ft² · Sold Jan 1900
More homes in Rancho Cucamonga 91739
- 7601 Fennel Rd$710K4 bd · 2 ba · 1,216 ft² · Sold $685K · Oct 2026
- 11933 Pine Mountain Ct$975K4 bd · 3 ba · 2,116 ft² · Sold $975K · Oct 2026
- 6849 Foxtail Ct$1.5M4 bd · 2.5 ba · 3,300 ft² · Sold $1.5M · Sep 2026
- 7203 Westhaven Pl$870K4 bd · 3 ba · 2,636 ft² · Sold $850K · Sep 2026
- 12629 Aster Ct$690K3 bd · 2 ba · 1,013 ft² · Sold $665K · Sep 2026
- 12757 Nicolet Ct$760K3 bd · 3 ba · 1,323 ft² · Sold $755K · Sep 2026
- 6822 Foxtail Ct$1.9M4 bd · 3 ba · 2,860 ft² · Sold $1.8M · Sep 2026
- 13812 Breeders Cup Dr$1.7M5 bd · 6 ba · 5,788 ft² · Sold $1.7M · Sep 2026
- 12238 Chorus Dr$839K4 bd · 3 ba · 2,307 ft² · Sold $839K · Sep 2026
- 7358 Luminaire Pl$610K3 bd · 3 ba · 1,907 ft² · Sold $600K · Sep 2026
- 5848 Canter Cove Ct$1.7M4 bd · 3.5 ba · 3,885 ft² · Sold $2.3M · Sep 2026
- 7568 Hyssop Dr$750K3 bd · 2 ba · 1,112 ft² · Sold $725K · Sep 2026
Assigned schools
Explore the area
See this home in context
Open 12001 Effen St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.
Open in map