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730 Marine St, Boulder, CO 80302 Property Records

Boulder County property record for 730 Marine St, Boulder, CO 80302

Property Summary

Property TypeMulti-Family Dwellings
Details9 bd · 5 ba · 4,284 sqft · built 1992
Lot Size0.187 acres (8,122 sqft)
OwnerCompany Name on Record
Last Sale$182,500 (Feb 1992)
Tax Bill$14,874 (2025)
Deeds & MortgagesFeb 2020 Sale
Flood ZoneZone X (moderate risk)
APN1461-36-1-00-019

Property Details

APN / Parcel Number

Primary APN1461-36-1-00-019
Alternative APNs
  • R0007037
  • 0007037

Interior

Bedrooms9 Beds
Full Baths5 Baths
Half Baths2 Half Baths
Total Rooms18 Rooms
Units5 Units
Stories2 Stories
Building Area4,284 sqft Living Area
1st Floor Area2,240 sqft
Upper Floors Area2,044 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1992
Effective Year BuiltEffective 1992
Architectural StyleA-Frame
Exterior MaterialWood Shingle
Construction TypeFrame
Lot Area8,122 sqft (0.187 acres)
PorchPorch
Porch Area325 sqft

Utilities, Heating & Cooling

Heating SystemHot Water

Location & Zoning

Account NumberR0007037
Street Address730 MARINE ST
CityBOULDER
StateCO
Zip80302-6196
Property CategoryResidential
Property TypeResidential > Multi-Unit > Multi-Family Dwellings
Legal DescriptionTR 493 LESS A BOULDER 36-1N-71 BOOK 748 PAGE 333 BCR
Legal Range71
Legal Township1N
Legal Section36
Legal SubdivisionTR, NBR 158, 160, 162
Legal Tract493
Legal Block2
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group2
Census Block2012
Census Tract12201

Owner

Source: Boulder County records, as of September 18, 2026

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

Owner of RecordCompany Name on Record
Mailing Address2291 ARAPAHOE AVE, BOULDER, CO 80302-6603
Owner TypeCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleFeb 19, 1992 · Amount on Record
Deed SaleFeb 19, 1992 · Amount on Record
Deed Document Number19921162126-9
Record UpdatedOct 29, 2026

February 2020: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionBOULDER CO
Recording DateFeb 4, 2020
Property Address730 MARINE ST, BOULDER, CO 80302-6196
Document Number0003764259
Instrument DateDec 30, 2019
Instrument3764259
Transaction TypeTransfer
Record UpdatedFeb 20, 2020
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Arm's Length
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address2291 ARAPAHOE AVE BOULDER CO 803026603, BOULDER, CO 80302-6603

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

TypeName
StateColorado
CountyBoulder County
MunicipalityBoulder City
Unified School DistrictBoulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$162,200 (+5.7%) Land $76,595 Building $85,605$2,455,300 (-) Land $1,196,400 Building $1,258,900
2025$14,874.00 (+4.64%)$153,456 (-5.7%) Land $74,775 Building $78,681$2,455,300 (+1.09%) Land $1,196,400 Building $1,258,900
2024$14,214.00 (+1.82%)
2023$13,960.00 (+18%)$162,737 (+30.21%) Land $76,682 Building $86,055$2,428,900 (+32.15%) Land $1,144,500 Building $1,284,400
2022$11,831.00$124,984 Land $63,063 Building $61,921$1,838,000 Land $927,400 Building $910,600

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Nearest Special Flood Hazard AreaZone AE, within 100 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 26 individual policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies41 units insured
incl. 15 condo units
Nearby Flood Claims19 (1983–2014)
Claims Outside the SFHA7 of 19
Most Recent ClaimJul 2014 · rainfall accumulation
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 14 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire RiskModerate
above 67% of the US · above 60% of Colorado
Wildfire Likelihood0.3% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 SystemCITY OF BOULDER
serves 166,080 people · EPA ID CO0107152
Water SourceSurface water
Last State InspectionSep 2024
Lead2 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityHaloacetic acids
resolved · Jul 2017
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
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 550 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Ayva Networks
Fixed Wireless		2,500 / 2,500
CenturyLink
Fiber · DSL in parts of the area		2,000 / 1,000
Xfinity
Cable		2,000 / 250
LiveWireNet
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20
AT&T
Fixed Wireless		100 / 20

May also be available: Magnolia Road Internet Cooperative, Verizon.

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