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10312 Helsinki St, Parker, CO 80134 Property Records

Douglas County property record for 10312 Helsinki St, Parker, CO 80134

Property Summary

Property TypeSingle Family Home
Details4 bd · 4 ba · 4,413 sqft · built 2016
Lot Size0.139 acres (6,055 sqft)
OwnerIndividual Name on File
Last Sale$729,000 (Sep 2020)
Tax Bill$7,379 (2025)
Deeds & MortgagesSep 2020 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN2233-18-1-11-022

Property Details

APN / Parcel Number

Primary APN2233-18-1-11-022
Alternative APNs
  • R0483608
  • 0483608

Interior

Bedrooms4 Beds
Full Baths4 Baths
Stories2 Stories
Building Area4,413 sqft Living Area
Gross Area4,552 sqft
Basement Area1,385 sqft
Finished Basement1,246 sqft
Unfinished Basement139 sqft
Interior WallsWallboard/Drywall
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2016
Effective Year BuiltEffective 2016
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGable/Hip
Roof MaterialComposition Shingle
Lot Area6,055 sqft (0.139 acres)
Garage Area644 sqft
PorchPorch
Porch Area67 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Account NumberR0483608
Street Address10312 HELSINKI ST
CityPARKER
StateCO
Zip80134-3797
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 188A SIERRA RIDGE 1 AMD 1 0.139 AM/L
Legal Range66W
Legal Township06S
Legal Section18
Legal QuarterNE
Legal SubdivisionSIERRA RIDGE
Legal Lot Number188A
JurisdictionDOUGLAS CO
Township / Civil DivisionPARKER
Census Block Group4
Census Block4016
Census Tract14008

Owner

10312 Helsinki St is owned and occupied by an individual who bought it in September 2020.

Source: Douglas County records, as of June 23, 2026

Owner of RecordIndividual Name on File
Mailing Address10312 HELSINKI ST, PARKER, CO 80134-3797
OccupancyOwner Occupied
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleSep 30, 2020 · Amount on File
Deed SaleSep 30, 2020 · Amount on File
Prior SaleAug 9, 2016 · Amount on File
Deed Document Number202094645
Record UpdatedSep 20, 2026

September 2020: Special Warranty Deed, Transfer

Document TypeSpecial Warranty Deed
JurisdictionDOUGLAS CO
Recording DateSep 30, 2020
Property Address10312 HELSINKI ST, PARKER, CO 80134-3797
Document Number0000094645
Instrument DateSep 23, 2020
Instrument2020094645
Transaction TypeTransfer
Record UpdatedJan 14, 2022
Title CompanyFIRST AMERICAN

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$72.90
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address10312 HELSINKI ST, PARKER, CO 80134-3797

Mortgage

Document Number0000094646
DateSep 30, 2020
Instrument2020094646
Lender
NameZILLOW HOME LOANS LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueOct 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 10312 Helsinki St was $7,379, down 3.2% from the year before.

Source: Douglas County assessment roll, as of June 23, 2026

Property Jurisdictions

TypeName
StateColorado
CountyDouglas County
Unified School DistrictDouglas County School District RE-1 (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$55,880 (-) Land $11,240 Building $44,640$821,852 (-) Land $165,365 Building $656,487
2025$7,379.00 (-3.16%)$55,880 Land $11,240 Building $44,640$821,852 Land $165,365 Building $656,487
2024$7,620.00 (-0.77%)
2023$7,679.00$60,870 Land $9,350 Building $51,520$908,505 Land $139,483 Building $769,022

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 10312 Helsinki St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective June 4, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 10312 Helsinki St is low, with a 0.03% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 66% of the US · lower than 83% of Colorado
Wildfire Likelihood0.03% annual chance
ExposureDirect
burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemPARKER WSD
serves 75,949 people · EPA ID CO0118040
Water SourceSurface water
Last State InspectionAug 2025
Lead3 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting4
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 498 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Kellin Communications
Fixed Wireless		1,000 / 220
BAM Broadband
Fixed Wireless · not low latency		1,000 / 100
Verizon
Fixed Wireless		300 / 20
CenturyLink
DSL · Fiber in parts of the area		140 / 20
T-Mobile
Fixed Wireless		100 / 20

May also be available: Xtream Internet.

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