735 37th St, Boulder, CO 80303 Property Records

Boulder County property record for 735 37th St, Boulder, CO 80303

Property Summary

Property Type	Single Family Home
Details	4 bd · 1.75 ba · 1,641 sqft · built 1961
Lot Size	0.162 acres (7,072 sqft)
Owner	2 Individual Names on File
Last Sale	$630,000 (Aug 2017)
Tax Bill	$5,025 (2025)
Deeds & Mortgages	Aug 2017 Sale
Flood Zone	Zone X (minimal risk)
APN	`1463-32-4-20-021`

Property Details

APN / Parcel Number

Primary APN	`1463-32-4-20-021`
Alternative APNs	`R0010121` `0010121`

Interior

Bedrooms	4 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,641 sqft Living Area
Gross Area	1,938 sqft
1st Floor Area	1,641 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1961
Effective Year Built	Effective 1975
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	7,072 sqft (0.162 acres)
Garage Type	Attached
Garage Area	297 sqft
Parking Spaces	1 Parking Space
Porch	Porch
Porch Area	112 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0010121
Street Address	735 37TH ST
City	BOULDER
State	CO
Zip	80303-2441
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 21 BLK 5 BASELINE 2
Legal Range	70
Legal Township	1N
Legal Section	32
Legal Subdivision	BASELINE 2 - BO
Legal Block	5
Legal Lot Number	21
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1005
Census Tract	12608

Owner

Source: Boulder County records · APN 1463-32-4-20-021

Assessment roll updated June 15, 2026 · Last verified June 2026

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

Owner of Record	2 Individual Names on File
Mailing Address	4020 ELEUTHERA CT, BOULDER, CO 80301-6076
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Aug 15, 2017 · Amount on Record
Deed Sale	Aug 15, 2017 · Amount on Record
Prior Sale	Jun 02, 1982 · Amount on Record
Deed Document Number	20173609224
Prior Transfer Date	Nov 12, 2012
Prior Transfer Doc	0003269268
Record Updated	Sep 20, 2026

August 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 15, 2017
Property Address	735 37TH ST, BOULDER, CO 80303-2441
Document Number	0003609224
Instrument Date	Aug 11, 2017
Instrument	3609224
Transaction Type	Transfer
Record Updated	Aug 29, 2017
Title Company	GUARDIAN TITLE COMPANY, GUARDIAN TITLE CO.

Transaction

Amount	Amount Recorded
Tax	$63.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	4020 ELEUTHERA CT BOULDER CO 803016076, BOULDER, CO 80301-6076

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 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

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.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$56,420 (+8.8%) Land $29,580 Building $26,840	$829,700 (-) Land $435,000 Building $394,700
2025	$5,025.00 (-2.99%)	$51,857 (-17.43%) Land $27,188 Building $24,669	$829,700 (-11.49%) Land $435,000 Building $394,700
2023	$5,180.00 (+11.02%)	$62,806 (+27.03%) Land $35,818 Building $26,988	$937,400 (+31.77%) Land $534,600 Building $402,800
2022	$4,666.00	$49,442 Land $25,861 Building $23,581	$711,400 Land $372,100 Building $339,300

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 14, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
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 42 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	42 in force
Nearby Flood Claims	8 (2013)
Claims Outside the SFHA	6 of 8
Most Recent Claim	Oct 2013 · other causes
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 7 claims

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Ayva Fixed Wireless	2,500 / 2,500
Lumen Technologies Fiber	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Live Wire Networks Fixed Wireless	250 / 100

May also be available: T-Mobile USA.

Based on FCC filings for 584 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF BOULDER serves 166,080 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.