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20 S 36th St, Boulder, CO 80305 Property Records

Boulder County property record for 20 S 36th St, Boulder, CO 80305

Property Summary

Property TypeSingle Family Home
Details3 bd · 1.75 ba · 2,288 sqft · built 1961
Lot Size0.175 acres (7,621 sqft)
OwnerTrust Name on File
Last Sale$580,000 (Sep 2015)
Tax Bill$5,177 (2025)
Deeds & MortgagesJan 2022 Line of Credit
Aug 2021 Mortgage
+ 1 more
Flood ZoneZone X (moderate risk)
APN1577-05-1-17-002

Property Details

APN / Parcel Number

Primary APN1577-05-1-17-002
Alternative APNs
  • R0011170
  • 0011170

Interior

Bedrooms3 Beds
Full Baths1.75 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories1 Story
Building Area2,288 sqft Living Area
Gross Area2,828 sqft
1st Floor Area1,204 sqft
Basement Area1,204 sqft
Finished Basement1,084 sqft
Unfinished Basement120 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1961
Effective Year BuiltEffective 1961
Architectural StyleRanch
Exterior MaterialBrick Veneer
Construction TypeMasonry / Concrete Block
Lot Area7,621 sqft (0.175 acres)
Garage TypeAttached
Garage Area420 sqft
Parking Spaces2 Parking Spaces

Exterior Amenities

PorchPorch
Porch Area16 sqft
Deck Area450 sqft
GreenhouseGreenhouse
Total Buildings2 Buildings

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0011170
Street Address20 S 36TH ST
CityBOULDER
StateCO
Zip80305-5527
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 2 BLK 5 WILLIAM MARTIN HOMESTEAD
Legal Range70
Legal Township1S
Legal Section05
Legal SubdivisionWILLIAM MARTIN HOMESTEAD - BO
Legal Block5
Legal Lot Number2
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group1
Census Block1010
Census Tract12507

Owner

20 S 36th St is held in a trust since September 2015.

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

Owner of RecordTrust Name on File
Mailing Address4061 SPY GLASS LN, LONGMONT, CO 80503-8355
Owner TypeCompany
VestingTrust, Living Trust

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

DateDocument
Jan 13, 2022Deed of Trust, Mortgage · Line of Credit
UNITED WHOLESALE MORTGAGE
Aug 12, 2021Deed of Trust, Mortgage · Conventional Mortgage
UNITED WHOLESALE MORTGAGE
Jan 11, 2021Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed NamesName on Deed
Last SaleSep 17, 2015 · Amount on File
Deed SaleSep 17, 2015 · Amount on File
Prior SaleJun 1, 2001 · Amount on File
Deed Document Number20153474119
Record UpdatedOct 29, 2026

January 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address20 S 36TH ST, BOULDER, CO 80305-5527
Transaction TypeMortgage
Record UpdatedFeb 3, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003940283
DateJan 13, 2022
Instrument3940283
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
AddressPONTIAC, MI 48341
Agreement
TypeLine of Credit
AmountAmount on Record
Term353 Months
DueJun 1, 2051
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

August 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address20 S 36TH ST, BOULDER, CO 80305-5527
Transaction TypeMortgage
Record UpdatedAug 24, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003906645
DateAug 12, 2021
Instrument3906645
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
AddressPONTIAC, MI 48341
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term358 Months
DueJun 1, 2051

January 2021: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionBOULDER CO
Recording DateJan 11, 2021
Property Address20 S 36TH ST, BOULDER, CO 80305-5527
Document Number0003848993
Instrument DateDec 14, 2020
Instrument3848993
Transaction TypeTransfer
Record UpdatedFeb 8, 2021
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address4061 SPY GLASS LN LONGMONT CO 805038355, LONGMONT, CO 80503-8355

Tax Assessment & Valuation

The 2025 property tax bill for 20 S 36th St was $5,177.

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$53,394 (-0.1%) Land $34,408 Building $18,986$855,200 (-) Land $576,000 Building $279,200
2025$5,177.00$53,450 Land $36,000 Building $17,450$855,200 Land $576,000 Building $279,200
2023$4,988.00 (+10.75%)$60,581 (+27.01%) Land $41,540 Building $19,041$904,200 (+31.75%) Land $620,000 Building $284,200
2022$4,504.00$47,697 Land $30,962 Building $16,735$686,290 Land $445,500 Building $240,790

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 20 S 36th St in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.

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 File
median of 25 policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies25 in force
Nearby Flood Claims16 (1995–2013)
Claims Outside the SFHA2 of 16
Most Recent ClaimSep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
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

Wildfire risk around 20 S 36th St is low, with a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 80% of the US · lower than 91% of Colorado
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

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 451 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Ayva Networks
Fixed Wireless		2,500 / 2,500
CenturyLink
Fiber		2,000 / 1,000
Xfinity
Cable		2,000 / 250
Verizon
Fixed Wireless		300 / 20
LiveWireNet
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20

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