50 S 35th St, Boulder, CO 80305 Property Records

Boulder County property record for 50 S 35th St, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	4 bd · 1.75 ba · 2,089 sqft · built 1962
Lot Size	0.155 acres (6,747 sqft)
Owner	Company Name on Record
Last Sale	$205,900 (May 1994)
Tax Bill	$4,669 (2025)
Deeds & Mortgages	Sep 2021 Transfer
Flood Zone	Zone X (moderate risk)
APN	`1577-05-2-28-003`

Property Details

APN / Parcel Number

Primary APN	`1577-05-2-28-003`
Alternative APNs	`R0014786` `0014786`

Interior

Bedrooms	4 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Building Area	2,089 sqft Living Area
Gross Area	2,794 sqft
1st Floor Area	1,525 sqft
Basement Area	851 sqft
Finished Basement	276 sqft
Unfinished Basement	575 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1962
Effective Year Built	Effective 1975
Architectural Style	Split Level
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	6,747 sqft (0.155 acres)
Garage Type	Attached
Garage Area	253 sqft
Parking Spaces	1 Parking Space
Porch	Enclosed Porch
Porch Area	165 sqft
Deck Area	180 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0014786
Street Address	50 S 35TH ST
City	BOULDER
State	CO
Zip	80305-5525
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 5 BLK 4 WILLIAM MARTIN HOMESTEAD
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	WILLIAM MARTIN HOMESTEAD - BO
Legal Block	4
Legal Lot Number	5
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1007
Census Tract	12507

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	50 S 35TH ST, BOULDER, CO 80305-5525
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 31, 1994 · Amount on Record
Deed Sale	May 31, 1994 · Amount on Record
Prior Sale	Oct 20, 1976 · Amount on Record
Deed Document Number	19941432237
Last Transfer Date	Sep 7, 2021
Transfer Doc	0003912841
Record Updated	Oct 29, 2026

September 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Sep 9, 2021
Property Address	50 S 35TH ST, BOULDER, CO 80305-5525
Document Number	0003912841
Instrument Date	Sep 7, 2021
Instrument	3912841
Transaction Type	Transfer
Record Updated	Sep 22, 2021

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	50 S 35TH ST, 50, BOULDER, CO 80305-5525

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	50 S 35TH ST, BOULDER, CO 80305-5525

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$55,318 (+0.18%) Land $32,089 Building $23,229	$883,500 (-) Land $541,900 Building $341,600
2025	$4,669.00 (+1.15%)	$55,219 (-13.5%) Land $33,869 Building $21,350	$883,500 (-7.27%) Land $541,900 Building $341,600
2023	$4,616.00 (+14.46%)	$63,838 (+26.71%) Land $39,691 Building $24,147	$952,800 (+31.44%) Land $592,400 Building $360,400
2022	$4,033.00	$50,380 Land $29,440 Building $20,940	$724,900 Land $423,600 Building $301,300

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

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

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 25 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	25 in force
Nearby Flood Claims	16 (1995–2013)
Claims Outside the SFHA	2 of 16
Most Recent Claim	Sep 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

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

Wildfire Risk	Low lower than 80% of the US · lower than 91% of Colorado
Wildfire Likelihood	0.01% annual chance
Exposure	None 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 System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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

Provider	Max 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