18443 CHATSWORTH ST
Valuation
Tax & Assessment
Property Facts
Transaction History(7)
Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Granada Hills Charter District
Neighborhood · ZIP 91326These 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
18443 Chatsworth 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 less than 81% of homes in Porter Ranch
- Costs more per square foot than 89% of homes in Porter Ranch
- Smaller than 88% of homes in Porter Ranch
- Has a bigger lot than 71% of homes in Los Angeles County
- Older than 93% of homes in Porter Ranch 91326
What homes are worth in Porter Ranch 91326
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 20% of homes in Porter Ranch 91326.
How it measures up in Porter Ranch 91326
The dot is this home. The mark in the middle is the typical home in Porter Ranch 91326.
Pricier than 20% of homes nearby
Pricier than 87% of homes nearby
Bigger than 16% of homes nearby
Bigger than 44% of homes nearby
Newer than 7% of homes nearby
| Measure | This home | Porter Ranch | Porter Ranch 91326 | Los Angeles County |
|---|---|---|---|---|
| Estimated valuepricier than | $1,007,950 | 19% of homes | 20% of homes | 66% of homes |
| Price per ft²pricier than | $627 | 89% of homes | 87% of homes | 63% of homes |
| Living areabigger than | 1,608 ft² | 12% of homes | 16% of homes | 52% of homes |
| Lot sizebigger than | 0.23 ac | 45% of homes | 44% of homes | 71% of homes |
| Year builtnewer than | 1959 | 10% of homes | 7% of homes | 54% of homes |
About 18443 Chatsworth St
How much is 18443 Chatsworth St, Porter Ranch, CA worth?
The TopHap Estimate for 18443 Chatsworth St, Porter Ranch, CA is $1,007,950 as of Jul 14, 2026. The likely range is $968,319 to $1,047,581. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 18443 Chatsworth St, Porter Ranch, CA last sell?
18443 Chatsworth St, Porter Ranch, CA last sold on May 4, 1995 for $157,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.
How big is 18443 Chatsworth St, Porter Ranch, CA?
18443 Chatsworth St, Porter Ranch, CA has 4 bedrooms, 2 bathrooms, 1,608 square feet of living space and a 0.23-acre lot.
When was 18443 Chatsworth St, Porter Ranch, CA built?
18443 Chatsworth St, Porter Ranch, CA was built in 1959, making it 67 years old. It is a conventional home. The building has 1 story.
What schools serve 18443 Chatsworth St, Porter Ranch, CA?
18443 Chatsworth St, Porter Ranch, CA is assigned to Darby Avenue Charter Elementary (elementary), rated A-; Granada Hills High School (high), rated A; Patrick Henry Middle School (middle), rated A. All sit in Granada Hills Charter District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 18443 Chatsworth St, Porter Ranch, CA compare to other homes in Porter Ranch 91326?
Among the 12,126 homes in Porter Ranch 91326, it is worth more than 20% of them ($1,007,950 against a typical $1,224,778), its price per square foot is higher than 87% of them ($627 against a typical $509), it is bigger than 16% of them (1,608 ft² against a typical 2,358 ft²), its lot is bigger than 44% of them (0.23 ac against a typical 0.25 ac) and it is newer than 7% of them (1959 against a typical 1978). Measured against all of Los Angeles County, it is worth more than 66% 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 18443 Chatsworth St, Porter Ranch, CA?
The 2025 property tax bill for 18443 Chatsworth St, Porter Ranch, CA was $3,486. The county assessed it at $268,950.
More homes on Chatsworth St
- 18301 Chatsworth St$1M5 bd · 3 ba · 2,591 ft² · Sold $1M · May 2026
- 18535 Chatsworth St$1.3M3 bd · 2 ba · 2,264 ft² · Sold $1.3M · Jun 2025
- 18559 Chatsworth St$1M5 bd · 3 ba · 1,771 ft² · Sold Jun 2025
- 18543 Chatsworth St$1.1M5 bd · 3 ba · 1,771 ft² · Sold $1M · Jun 2024
- 18507 Chatsworth St$1.2M4 bd · 3 ba · 2,742 ft² · Sold $950K · Apr 2024
- 18217 Chatsworth St$1.1M4 bd · 2 ba · 1,590 ft² · Sold $1.1M · Apr 2024
- 18317 Chatsworth St$994K3 bd · 2 ba · 1,558 ft² · Sold $900K · Jul 2023
- 18621 Chatsworth St$1.4M3 bd · 2 ba · 2,060 ft² · Sold $1.3M · Dec 2022
- 18542 Chatsworth St$1M3 bd · 2 ba · 1,559 ft² · Sold $860K · Oct 2021
- 18225 Chatsworth St4 bd · 2 ba · 1,608 ft² · Sold $825K · Sep 2021
- 18309 Chatsworth St$1M102 bd · 3 ba · 2,006 ft² · Sold $780K · Apr 2021
- 18333 Chatsworth St$1.1M4 bd · 2 ba · 2,049 ft² · Sold $779K · Sep 2020
Closest homes
- 18435 Chatsworth St$942K84 ft · 4 bd · 2 ba · 2,129 ft² · Sold Jan 1900
- 18438 Los Alimos St$998K141 ft · 4 bd · 2 ba · 1,698 ft² · Sold $975K · Sep 2025
- 10700 Reseda Blvd$1.3M129 ft · 4 bd · 3 ba · 2,668 ft² · Sold $869K · May 2006
- 18442 Los Alimos St$1.1M176 ft · 4 bd · 2 ba · 1,590 ft² · Sold Jan 1900
- 10710 Reseda Blvd$1M164 ft · 6 bd · 4 ba · 2,850 ft² · Sold $430K · Apr 2010
- 18427 Chatsworth St$1M167 ft · 3 bd · 2 ba · 1,558 ft² · Sold $149K · Sep 1997
- 18428 Los Alimos St$946K216 ft · 4 bd · 3 ba · 1,761 ft² · Sold $155K · Jul 1998
- 10720 Reseda Blvd230 ft · 5 bd · 3 ba · 2,273 ft² · Sold Jan 1900
More homes in Porter Ranch 91326
- 10828 Amigo Ave$1.2M4 bd · 3 ba · 2,458 ft² · Sold $1.1M · Aug 2026
- 10522 Topeka Dr$1.3M4 bd · 2 ba · 1,950 ft² · Sold Aug 2026
- 11501 Cararra Ln$778K2 bd · 3 ba · 1,194 ft² · Sold Aug 2026
- 20657 Walnut Cir$1.5M5 bd · 4 ba · 2,702 ft² · Sold $1.5M · Aug 2026
- 12251 Derwent Ave$1.3M3 bd · 3 ba · 2,492 ft² · Sold $1.2M · Aug 2026
- 18400 Chatham Ln$1.4M4 bd · 3 ba · 3,232 ft² · Sold $1.4M · Aug 2026
- 11549 Baird Ave$1M3 bd · 2 ba · 1,685 ft² · Sold $1M · Aug 2026
- 18759 Fairfield Rd$1.6M4 bd · 6 ba · 3,648 ft² · Sold $1.6M · Aug 2026
- 20656 W Chestnut Cir$1.3M4 bd · 3 ba · 2,365 ft² · Sold $1.3M · Aug 2026
- 19509 Rinaldi St$600K3 bd · 2 ba · 1,036 ft² · Sold $575K · Aug 2026
- 20333 Via Cellini$2M4 bd · 4 ba · 4,469 ft² · Sold $2M · Aug 2026
- 10865 Wystone Ave$1.2M5 bd · 3 ba · 2,501 ft² · Sold $1.3M · Aug 2026
Assigned schools
Explore the area
See this home in context
Open 18443 Chatsworth 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