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CondominiumResidential

1145 Helix St

SPRING VALLEY, CA 91977
1.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
Built 198616 units824–982 ft²
$7M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$437K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$522
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+2.3%vs the Spring Valley ZIP median sale $/ft² ($510)

Sales Performance

$456K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+0.9%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
3
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
18.8%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+8.5%per yeartypical hold 4.4 yrsfrom 15 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20042008201120132016201820232026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20042008201120132016201820232026

31 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$418K$436K$453K$471K824 ft²856 ft²887 ft²919 ft²950 ft²982 ft²
2 bd3 bd
2 bed
14 units
3 bed
2 units
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
2 bd · 2 ba · 824 ft²
14 units
3 bd · 2 ba · 982 ft²
2 units

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$418K–$422K
5 units
$430K–$430K
2 units
$436K–$436K
1 unit
$439K–$442K
3 units
$445K–$445K
1 unit
$459K–$462K
3 units
$471K–$471K
1 unit

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.19%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.44%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.14.0 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.0%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.43%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$423,145
Median tax billThe middle annual property tax bill among the building's units.$2,177
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.1

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit 1May 27, 2026$460,000Unit 5Mar 18, 2026$420,000Unit 4Jan 20, 2026$456,000Unit 3May 7, 2025$452,000Unit 3Nov 17, 2023$430,000Unit 15Jan 3, 2020$275,000Unit 3Jul 10, 2019$275,000Unit 16May 28, 2019$245,000Unit 14Jun 22, 2018$240,000Unit 15Apr 17, 2017$204,000

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.27
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
36
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
11
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
87
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountySAN DIEGO
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
STEAM Academy at La PresaC+
Middle · Grades 6–8 · 0.4 mi
E
Avondale Elementary SchoolC
Elementary · Grades KG–5 · 0.5 mi
H
Mount Miguel High SchoolC-
High · Grades 9–12 · 0.7 mi

District: La Mesa-Spring Valley School District

Neighborhood · ZIP 91977These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.66
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.198

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.61,121
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,580 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,172
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,122
Average tempThe average temperature here across a full year.63°F
Annual precipHow much rain and melted snow falls here in a typical year.13 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.68%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

1145 Helix St
3 bd · 2 ba · 982 ft²
$462K
1145 Helix St # 2
2 bd · 2 ba · 824 ft²
$442K
1145 Helix St # 3
2 bd · 2 ba · 824 ft²
$460K
1145 Helix St
2 bd · 2 ba · 824 ft²
$459K
1145 Helix St
2 bd · 2 ba · 824 ft²
$422K
1145 Helix St # 6
3 bd · 2 ba · 982 ft²
$471K
1145 Helix St # 7
2 bd · 2 ba · 824 ft²
$421K
1145 Helix St # 8
2 bd · 2 ba · 824 ft²
$422K
1145 Helix St # 9
2 bd · 2 ba · 824 ft²
$422K
1145 Helix St # 10
2 bd · 2 ba · 824 ft²
$430K
1145 Helix St
2 bd · 2 ba · 824 ft²
$436K
1145 Helix St # 12
2 bd · 2 ba · 824 ft²
$418K
1145 Helix St # 13
2 bd · 2 ba · 824 ft²
$440K
1145 Helix St
2 bd · 2 ba · 824 ft²
$445K
1145 Helix St # 15
2 bd · 2 ba · 824 ft²
$430K
1145 Helix St # 16
2 bd · 2 ba · 824 ft²
$439K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 1145 Helix St

How many units are in 1145 Helix St, Spring Valley, CA?

1145 Helix St, Spring Valley, CA has 16 residential units across built in 1986, according to county assessor records.

What is a unit at 1145 Helix St, Spring Valley, CA worth?

The median TopHap Estimate across the 16 units at 1145 Helix St, Spring Valley, CA is $437,361. That works out to $522 per square foot. Units run from 824 to 982 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 1145 Helix St, Spring Valley, CA expensive for Spring Valley?

Units at 1145 Helix St, Spring Valley, CA carry a median of $522 per square foot, 2% above the Spring Valley median of $510 per square foot.

How often do units sell at 1145 Helix St, Spring Valley, CA?

3 units at 1145 Helix St, Spring Valley, CA sold in the last 12 months, out of 31 recorded arms-length sales all time. That is a turnover rate of 18.8% of the building per year. The median sale over that period was $456K.

Have units at 1145 Helix St, Spring Valley, CA appreciated?

Across 15 repeat sales of the same unit, 1145 Helix St, Spring Valley, CA returned a median 8.5% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 4.4 years.

What floor plans does 1145 Helix St, Spring Valley, CA have?

The most common plan at 1145 Helix St, Spring Valley, CA is a 2-bedroom of 824 square feet, repeated 14 times, with a median estimate of $432,958. TopHap identifies 2 recurring plans in the building.

More homes on Helix St

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Assigned schools

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