18330 INDEX ST
Valuation
Tax & Assessment
Property Facts
Transaction History(10)
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(1)
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
18330 Index 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 82% of homes in Porter Ranch
- Costs more per square foot than 78% of homes in Porter Ranch
- Smaller than 80% of homes in Porter Ranch
- Has a bigger lot than 79% of homes in Porter Ranch
- Older than 76% 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 19% 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 19% of homes nearby
Pricier than 76% of homes nearby
Bigger than 22% of homes nearby
Bigger than 73% of homes nearby
Newer than 24% of homes nearby
| Measure | This home | Porter Ranch | Porter Ranch 91326 | Los Angeles County |
|---|---|---|---|---|
| Estimated valuepricier than | $1,003,172 | 18% of homes | 19% of homes | 65% of homes |
| Price per ft²pricier than | $569 | 78% of homes | 76% of homes | 51% of homes |
| Living areabigger than | 1,762 ft² | 20% of homes | 22% of homes | 60% of homes |
| Lot sizebigger than | 0.3 ac | 79% of homes | 73% of homes | 77% of homes |
| Year builtnewer than | 1966 | 33% of homes | 24% of homes | 63% of homes |
About 18330 Index St
How much is 18330 Index St, Porter Ranch, CA worth?
The TopHap Estimate for 18330 Index St, Porter Ranch, CA is $1,003,172 as of Jul 14, 2026. The likely range is $943,419 to $1,062,925. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 18330 Index St, Porter Ranch, CA last sell?
18330 Index St, Porter Ranch, CA last sold on Dec 21, 2000 for $310,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.
How big is 18330 Index St, Porter Ranch, CA?
18330 Index St, Porter Ranch, CA has 4 bedrooms, 2 bathrooms, 1,762 square feet of living space and a 0.30-acre lot.
When was 18330 Index St, Porter Ranch, CA built?
18330 Index St, Porter Ranch, CA was built in 1966, making it 60 years old. It is a conventional home. The building has 2 stories.
What schools serve 18330 Index St, Porter Ranch, CA?
18330 Index 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 18330 Index 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 19% of them ($1,003,172 against a typical $1,224,778), its price per square foot is higher than 76% of them ($569 against a typical $509), it is bigger than 22% of them (1,762 ft² against a typical 2,358 ft²), its lot is bigger than 73% of them (0.3 ac against a typical 0.25 ac) and it is newer than 24% of them (1966 against a typical 1978). Measured against all of Los Angeles County, it is worth more than 65% 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 18330 Index St, Porter Ranch, CA?
The 2025 property tax bill for 18330 Index St, Porter Ranch, CA was $5,930. The county assessed it at $476,442.
More homes on Index St
- 19225 Index St # 2$750K3 bd · 3 ba · 1,679 ft² · Sold $750K · Apr 2026
- 19237 Index St # 4$790K3 bd · 3 ba · 1,679 ft² · Sold $790K · Mar 2026
- 19137 Index St # 9$785K3 bd · 3 ba · 1,697 ft² · Sold $785K · Mar 2026
- 18320 Index St$1.1M3 bd · 2 ba · 1,428 ft² · Sold $1.1M · Sep 2025
- 19235 Index St # 1$700K3 bd · 3 ba · 1,697 ft² · Sold $700K · Sep 2025
- 19229 Index St # 1$775K3 bd · 3 ba · 1,697 ft² · Sold $775K · Sep 2025
- 19237 Index St # 5$800K3 bd · 3 ba · 1,679 ft² · Sold $800K · Aug 2025
- 19133 Index St # 6$838K3 bd · 3 ba · 1,679 ft² · Sold $837K · Mar 2025
- 19172 Index St # 2$808K3 bd · 3 ba · 1,598 ft² · Sold $806K · Oct 2024
- 19151 Index St # 6$754K3 bd · 3 ba · 1,679 ft² · Sold $750K · Jun 2024
- 19237 Index St # 2$757K3 bd · 3 ba · 1,598 ft² · Sold $750K · Jun 2024
- 19200 Index St # 4$822K3 bd · 3 ba · 1,679 ft² · Sold $810K · Jun 2024
Closest homes
- 18320 Index St$1.1M101 ft · 3 bd · 2 ba · 1,428 ft² · Sold $1.1M · Sep 2025
- 18340 Index St$1.1M132 ft · 4 bd · 3 ba · 2,001 ft² · Sold Jan 1900
- 18333 Donmetz St$1.1M172 ft · 3 bd · 2 ba · 1,781 ft² · Sold $472K · Mar 2013
- 18333 Index St$1M191 ft · 5 bd · 3 ba · 2,090 ft² · Sold Jan 1900
- 18341 Donmetz St$1.1M196 ft · 3 bd · 2 ba · 2,069 ft² · Sold $645K · Aug 2015
- 18325 Index St$1M204 ft · 4 bd · 2 ba · 2,117 ft² · Sold Jan 1900
- 18319 Donmetz St$1.1M201 ft · 3 bd · 2 ba · 2,172 ft² · Sold $380K · Sep 2003
- 18312 Index St$1.2M193 ft · 4 bd · 3 ba · 2,174 ft² · Sold $4.6M · Aug 2022
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
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